Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019
We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia,...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Dhiman, Vinit [verfasserIn] Gupta, Alok C [verfasserIn] Kurtanidze, Sofia O. [verfasserIn] Eglitis, I [verfasserIn] Strigachev, A [verfasserIn] Damljanovic, G [verfasserIn] Wiita, Paul J [verfasserIn] Gu, Minfeng [verfasserIn] Gaur, Haritma [verfasserIn] Vince, Oliver [verfasserIn] Bachev, R [verfasserIn] Bisen, D P [verfasserIn] Ibryamov, S [verfasserIn] Ivanidze, R Z [verfasserIn] Jovanovic, Miljana D [verfasserIn] Kurtanidze, Omar M. [verfasserIn] Nikolashvili, Maria G. [verfasserIn] Semkov, E [verfasserIn] Spassov, B [verfasserIn] Stojanovic, M [verfasserIn] Villarroel, Beatriz [verfasserIn] Xu, Haiguang [verfasserIn] Zhang, Zhongli [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Anmerkung: |
Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 |
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| Umfang: |
16 |
| Übergeordnetes Werk: |
Enthalten in: Monthly notices of the Royal Astronomical Society - Royal Astronomical Society, Oxford : Oxford Univ. Press, 1827, 519(2023), 2 vom: Feb., Seite 2796-2811 |
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| Übergeordnetes Werk: |
volume:519 ; year:2023 ; number:2 ; month:02 ; pages:2796-2811 ; extent:16 |
| Links: |
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| DOI / URN: |
10.1093/mnras/stac3709 |
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| Katalog-ID: |
1843384493 |
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| 245 | 1 | 0 | |a Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 |c Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang |
| 246 | 3 | 3 | |a Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 |
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| 520 | |a We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. | ||
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| 700 | 1 | |a Kurtanidze, Sofia O. |e verfasserin |0 (DE-588)1220243086 |0 (DE-627)1736574280 |4 aut | |
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10.1093/mnras/stac3709 doi (DE-627)1843384493 (DE-599)KXP1843384493 (OCoLC)1389530640 DE-627 ger DE-627 rda eng Dhiman, Vinit verfasserin (DE-588)1286773563 (DE-627)1843384841 aut Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 2023 16 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Gupta, Alok C verfasserin aut Kurtanidze, Sofia O. verfasserin (DE-588)1220243086 (DE-627)1736574280 aut Eglitis, I verfasserin aut Strigachev, A verfasserin aut Damljanovic, G verfasserin aut Wiita, Paul J verfasserin aut Gu, Minfeng verfasserin aut Gaur, Haritma verfasserin aut Vince, Oliver verfasserin aut Bachev, R verfasserin aut Bisen, D P verfasserin aut Ibryamov, S verfasserin aut Ivanidze, R Z verfasserin aut Jovanovic, Miljana D verfasserin aut Kurtanidze, Omar M. verfasserin (DE-588)103557778X (DE-627)748753982 (DE-576)383333148 aut Nikolashvili, Maria G. verfasserin (DE-588)1220242721 (DE-627)1736572474 aut Semkov, E verfasserin aut Spassov, B verfasserin aut Stojanovic, M verfasserin aut Villarroel, Beatriz verfasserin aut Xu, Haiguang verfasserin aut Zhang, Zhongli verfasserin aut Enthalten in Royal Astronomical Society Monthly notices of the Royal Astronomical Society Oxford : Oxford Univ. Press, 1827 519(2023), 2 vom: Feb., Seite 2796-2811 Online-Ressource (DE-627)314059164 (DE-600)2016084-7 (DE-576)090955420 1365-2966 nnns volume:519 year:2023 number:2 month:02 pages:2796-2811 extent:16 https://doi.org/10.1093/mnras/stac3709 Verlag Resolving-System lizenzpflichtig Volltext GBV_USEFLAG_U GBV_ILN_2013 ISIL_DE-16-250 SYSFLAG_1 GBV_KXP GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2026 GBV_ILN_2088 GBV_ILN_2112 GBV_ILN_2190 GBV_ILN_2810 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 519 2023 2 2 2796-2811 16 2013 01 DE-16-250 4312815992 00 --%%-- --%%-- --%%-- --%%-- l01 24-04-23 2013 01 DE-16-250 00 s hd2023 2013 01 DE-16-250 01 s (DE-627)1410508463 wissenschaftlicher Artikel (Zeitschrift) 2013 01 DE-16-250 02 s per_24 2013 01 DE-16-250 03 s s_16 2013 01 DE-16-250 04 p (DE-627)1736574434 Kurtanidze, Sofia O. 2013 01 DE-16-250 04 k (DE-627)1416822720 Extern 2013 01 DE-16-250 04 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 04 s pos_4 2013 01 DE-16-250 05 p (DE-627)1453335358 Kurtanidze, Omar M. 2013 01 DE-16-250 05 k (DE-627)1416822720 Extern 2013 01 DE-16-250 05 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 05 s pos_17 2013 01 DE-16-250 06 p (DE-627)173657261X Nikolashvili, Maria G. 2013 01 DE-16-250 06 k (DE-627)1416822720 Extern 2013 01 DE-16-250 06 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 06 s pos_18 |
| spelling |
10.1093/mnras/stac3709 doi (DE-627)1843384493 (DE-599)KXP1843384493 (OCoLC)1389530640 DE-627 ger DE-627 rda eng Dhiman, Vinit verfasserin (DE-588)1286773563 (DE-627)1843384841 aut Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 2023 16 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Gupta, Alok C verfasserin aut Kurtanidze, Sofia O. verfasserin (DE-588)1220243086 (DE-627)1736574280 aut Eglitis, I verfasserin aut Strigachev, A verfasserin aut Damljanovic, G verfasserin aut Wiita, Paul J verfasserin aut Gu, Minfeng verfasserin aut Gaur, Haritma verfasserin aut Vince, Oliver verfasserin aut Bachev, R verfasserin aut Bisen, D P verfasserin aut Ibryamov, S verfasserin aut Ivanidze, R Z verfasserin aut Jovanovic, Miljana D verfasserin aut Kurtanidze, Omar M. verfasserin (DE-588)103557778X (DE-627)748753982 (DE-576)383333148 aut Nikolashvili, Maria G. verfasserin (DE-588)1220242721 (DE-627)1736572474 aut Semkov, E verfasserin aut Spassov, B verfasserin aut Stojanovic, M verfasserin aut Villarroel, Beatriz verfasserin aut Xu, Haiguang verfasserin aut Zhang, Zhongli verfasserin aut Enthalten in Royal Astronomical Society Monthly notices of the Royal Astronomical Society Oxford : Oxford Univ. Press, 1827 519(2023), 2 vom: Feb., Seite 2796-2811 Online-Ressource (DE-627)314059164 (DE-600)2016084-7 (DE-576)090955420 1365-2966 nnns volume:519 year:2023 number:2 month:02 pages:2796-2811 extent:16 https://doi.org/10.1093/mnras/stac3709 Verlag Resolving-System lizenzpflichtig Volltext GBV_USEFLAG_U GBV_ILN_2013 ISIL_DE-16-250 SYSFLAG_1 GBV_KXP GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2026 GBV_ILN_2088 GBV_ILN_2112 GBV_ILN_2190 GBV_ILN_2810 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 519 2023 2 2 2796-2811 16 2013 01 DE-16-250 4312815992 00 --%%-- --%%-- --%%-- --%%-- l01 24-04-23 2013 01 DE-16-250 00 s hd2023 2013 01 DE-16-250 01 s (DE-627)1410508463 wissenschaftlicher Artikel (Zeitschrift) 2013 01 DE-16-250 02 s per_24 2013 01 DE-16-250 03 s s_16 2013 01 DE-16-250 04 p (DE-627)1736574434 Kurtanidze, Sofia O. 2013 01 DE-16-250 04 k (DE-627)1416822720 Extern 2013 01 DE-16-250 04 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 04 s pos_4 2013 01 DE-16-250 05 p (DE-627)1453335358 Kurtanidze, Omar M. 2013 01 DE-16-250 05 k (DE-627)1416822720 Extern 2013 01 DE-16-250 05 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 05 s pos_17 2013 01 DE-16-250 06 p (DE-627)173657261X Nikolashvili, Maria G. 2013 01 DE-16-250 06 k (DE-627)1416822720 Extern 2013 01 DE-16-250 06 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 06 s pos_18 |
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10.1093/mnras/stac3709 doi (DE-627)1843384493 (DE-599)KXP1843384493 (OCoLC)1389530640 DE-627 ger DE-627 rda eng Dhiman, Vinit verfasserin (DE-588)1286773563 (DE-627)1843384841 aut Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 2023 16 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Gupta, Alok C verfasserin aut Kurtanidze, Sofia O. verfasserin (DE-588)1220243086 (DE-627)1736574280 aut Eglitis, I verfasserin aut Strigachev, A verfasserin aut Damljanovic, G verfasserin aut Wiita, Paul J verfasserin aut Gu, Minfeng verfasserin aut Gaur, Haritma verfasserin aut Vince, Oliver verfasserin aut Bachev, R verfasserin aut Bisen, D P verfasserin aut Ibryamov, S verfasserin aut Ivanidze, R Z verfasserin aut Jovanovic, Miljana D verfasserin aut Kurtanidze, Omar M. verfasserin (DE-588)103557778X (DE-627)748753982 (DE-576)383333148 aut Nikolashvili, Maria G. verfasserin (DE-588)1220242721 (DE-627)1736572474 aut Semkov, E verfasserin aut Spassov, B verfasserin aut Stojanovic, M verfasserin aut Villarroel, Beatriz verfasserin aut Xu, Haiguang verfasserin aut Zhang, Zhongli verfasserin aut Enthalten in Royal Astronomical Society Monthly notices of the Royal Astronomical Society Oxford : Oxford Univ. Press, 1827 519(2023), 2 vom: Feb., Seite 2796-2811 Online-Ressource (DE-627)314059164 (DE-600)2016084-7 (DE-576)090955420 1365-2966 nnns volume:519 year:2023 number:2 month:02 pages:2796-2811 extent:16 https://doi.org/10.1093/mnras/stac3709 Verlag Resolving-System lizenzpflichtig Volltext GBV_USEFLAG_U GBV_ILN_2013 ISIL_DE-16-250 SYSFLAG_1 GBV_KXP GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2026 GBV_ILN_2088 GBV_ILN_2112 GBV_ILN_2190 GBV_ILN_2810 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 519 2023 2 2 2796-2811 16 2013 01 DE-16-250 4312815992 00 --%%-- --%%-- --%%-- --%%-- l01 24-04-23 2013 01 DE-16-250 00 s hd2023 2013 01 DE-16-250 01 s (DE-627)1410508463 wissenschaftlicher Artikel (Zeitschrift) 2013 01 DE-16-250 02 s per_24 2013 01 DE-16-250 03 s s_16 2013 01 DE-16-250 04 p (DE-627)1736574434 Kurtanidze, Sofia O. 2013 01 DE-16-250 04 k (DE-627)1416822720 Extern 2013 01 DE-16-250 04 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 04 s pos_4 2013 01 DE-16-250 05 p (DE-627)1453335358 Kurtanidze, Omar M. 2013 01 DE-16-250 05 k (DE-627)1416822720 Extern 2013 01 DE-16-250 05 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 05 s pos_17 2013 01 DE-16-250 06 p (DE-627)173657261X Nikolashvili, Maria G. 2013 01 DE-16-250 06 k (DE-627)1416822720 Extern 2013 01 DE-16-250 06 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 06 s pos_18 |
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10.1093/mnras/stac3709 doi (DE-627)1843384493 (DE-599)KXP1843384493 (OCoLC)1389530640 DE-627 ger DE-627 rda eng Dhiman, Vinit verfasserin (DE-588)1286773563 (DE-627)1843384841 aut Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 2023 16 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Gupta, Alok C verfasserin aut Kurtanidze, Sofia O. verfasserin (DE-588)1220243086 (DE-627)1736574280 aut Eglitis, I verfasserin aut Strigachev, A verfasserin aut Damljanovic, G verfasserin aut Wiita, Paul J verfasserin aut Gu, Minfeng verfasserin aut Gaur, Haritma verfasserin aut Vince, Oliver verfasserin aut Bachev, R verfasserin aut Bisen, D P verfasserin aut Ibryamov, S verfasserin aut Ivanidze, R Z verfasserin aut Jovanovic, Miljana D verfasserin aut Kurtanidze, Omar M. verfasserin (DE-588)103557778X (DE-627)748753982 (DE-576)383333148 aut Nikolashvili, Maria G. verfasserin (DE-588)1220242721 (DE-627)1736572474 aut Semkov, E verfasserin aut Spassov, B verfasserin aut Stojanovic, M verfasserin aut Villarroel, Beatriz verfasserin aut Xu, Haiguang verfasserin aut Zhang, Zhongli verfasserin aut Enthalten in Royal Astronomical Society Monthly notices of the Royal Astronomical Society Oxford : Oxford Univ. Press, 1827 519(2023), 2 vom: Feb., Seite 2796-2811 Online-Ressource (DE-627)314059164 (DE-600)2016084-7 (DE-576)090955420 1365-2966 nnns volume:519 year:2023 number:2 month:02 pages:2796-2811 extent:16 https://doi.org/10.1093/mnras/stac3709 Verlag Resolving-System lizenzpflichtig Volltext GBV_USEFLAG_U GBV_ILN_2013 ISIL_DE-16-250 SYSFLAG_1 GBV_KXP GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2026 GBV_ILN_2088 GBV_ILN_2112 GBV_ILN_2190 GBV_ILN_2810 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 519 2023 2 2 2796-2811 16 2013 01 DE-16-250 4312815992 00 --%%-- --%%-- --%%-- --%%-- l01 24-04-23 2013 01 DE-16-250 00 s hd2023 2013 01 DE-16-250 01 s (DE-627)1410508463 wissenschaftlicher Artikel (Zeitschrift) 2013 01 DE-16-250 02 s per_24 2013 01 DE-16-250 03 s s_16 2013 01 DE-16-250 04 p (DE-627)1736574434 Kurtanidze, Sofia O. 2013 01 DE-16-250 04 k (DE-627)1416822720 Extern 2013 01 DE-16-250 04 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 04 s pos_4 2013 01 DE-16-250 05 p (DE-627)1453335358 Kurtanidze, Omar M. 2013 01 DE-16-250 05 k (DE-627)1416822720 Extern 2013 01 DE-16-250 05 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 05 s pos_17 2013 01 DE-16-250 06 p (DE-627)173657261X Nikolashvili, Maria G. 2013 01 DE-16-250 06 k (DE-627)1416822720 Extern 2013 01 DE-16-250 06 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 06 s pos_18 |
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10.1093/mnras/stac3709 doi (DE-627)1843384493 (DE-599)KXP1843384493 (OCoLC)1389530640 DE-627 ger DE-627 rda eng Dhiman, Vinit verfasserin (DE-588)1286773563 (DE-627)1843384841 aut Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019 2023 16 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Gupta, Alok C verfasserin aut Kurtanidze, Sofia O. verfasserin (DE-588)1220243086 (DE-627)1736574280 aut Eglitis, I verfasserin aut Strigachev, A verfasserin aut Damljanovic, G verfasserin aut Wiita, Paul J verfasserin aut Gu, Minfeng verfasserin aut Gaur, Haritma verfasserin aut Vince, Oliver verfasserin aut Bachev, R verfasserin aut Bisen, D P verfasserin aut Ibryamov, S verfasserin aut Ivanidze, R Z verfasserin aut Jovanovic, Miljana D verfasserin aut Kurtanidze, Omar M. verfasserin (DE-588)103557778X (DE-627)748753982 (DE-576)383333148 aut Nikolashvili, Maria G. verfasserin (DE-588)1220242721 (DE-627)1736572474 aut Semkov, E verfasserin aut Spassov, B verfasserin aut Stojanovic, M verfasserin aut Villarroel, Beatriz verfasserin aut Xu, Haiguang verfasserin aut Zhang, Zhongli verfasserin aut Enthalten in Royal Astronomical Society Monthly notices of the Royal Astronomical Society Oxford : Oxford Univ. Press, 1827 519(2023), 2 vom: Feb., Seite 2796-2811 Online-Ressource (DE-627)314059164 (DE-600)2016084-7 (DE-576)090955420 1365-2966 nnns volume:519 year:2023 number:2 month:02 pages:2796-2811 extent:16 https://doi.org/10.1093/mnras/stac3709 Verlag Resolving-System lizenzpflichtig Volltext GBV_USEFLAG_U GBV_ILN_2013 ISIL_DE-16-250 SYSFLAG_1 GBV_KXP GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2026 GBV_ILN_2088 GBV_ILN_2112 GBV_ILN_2190 GBV_ILN_2810 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 519 2023 2 2 2796-2811 16 2013 01 DE-16-250 4312815992 00 --%%-- --%%-- --%%-- --%%-- l01 24-04-23 2013 01 DE-16-250 00 s hd2023 2013 01 DE-16-250 01 s (DE-627)1410508463 wissenschaftlicher Artikel (Zeitschrift) 2013 01 DE-16-250 02 s per_24 2013 01 DE-16-250 03 s s_16 2013 01 DE-16-250 04 p (DE-627)1736574434 Kurtanidze, Sofia O. 2013 01 DE-16-250 04 k (DE-627)1416822720 Extern 2013 01 DE-16-250 04 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 04 s pos_4 2013 01 DE-16-250 05 p (DE-627)1453335358 Kurtanidze, Omar M. 2013 01 DE-16-250 05 k (DE-627)1416822720 Extern 2013 01 DE-16-250 05 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 05 s pos_17 2013 01 DE-16-250 06 p (DE-627)173657261X Nikolashvili, Maria G. 2013 01 DE-16-250 06 k (DE-627)1416822720 Extern 2013 01 DE-16-250 06 s (DE-627)1410501914 Verfasser 2013 01 DE-16-250 06 s pos_18 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a2200265 4500</leader><controlfield tag="001">1843384493</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20240327080245.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">230424s2023 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1093/mnras/stac3709</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)1843384493</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)KXP1843384493</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(OCoLC)1389530640</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rda</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Dhiman, Vinit</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(DE-588)1286773563</subfield><subfield code="0">(DE-627)1843384841</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019</subfield><subfield code="c">Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang</subfield></datafield><datafield tag="246" ind1="3" ind2="3"><subfield code="a">Multiband optical variability of the TeV blazar PG 1553 plus 113 in 2019</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2023</subfield></datafield><datafield tag="300" ind1=" " ind2=" "><subfield code="a">16</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Online veröffentlicht 2022 December 20</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">Gesehen am 24.04.2023</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. 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Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 |
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Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 Vinit Dhiman, Alok C. Gupta, Sofia O. Kurtanidze, I. Eglitis, A. Strigachev, G. Damljanovic, Paul J. Wiita, Minfeng Gu, Haritma Gaur, Oliver Vince, R. Bachev, D.P. Bisen, S. Ibryamov, R.Z. Ivanidze, Miljana D. Jovanovic, Omar M. Kurtanidze, M.G. Nikolashvili, E. Semkov, B. Spassov, M. Stojanovic, Beatriz Villarroel, Haiguang Xu and Zhongli Zhang |
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Dhiman, Vinit Gupta, Alok C Kurtanidze, Sofia O. Eglitis, I Strigachev, A Damljanovic, G Wiita, Paul J Gu, Minfeng Gaur, Haritma Vince, Oliver Bachev, R Bisen, D P Ibryamov, S Ivanidze, R Z Jovanovic, Miljana D Kurtanidze, Omar M. Nikolashvili, Maria G. Semkov, E Spassov, B Stojanovic, M Villarroel, Beatriz Xu, Haiguang Zhang, Zhongli |
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multiband optical variability of the tev blazar pg 1553 + 113 in 2019 |
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Multiband optical variability of the TeV blazar PG 1553 + 113 in 2019 |
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We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 |
| abstractGer |
We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 |
| abstract_unstemmed |
We report the flux and spectral variability of PG 1553 + 113 on intra-night (IDV) to short-term time-scales using BVRI data collected over 91 nights from 28 February to 8 November 2019 employing 10 optical telescopes: three in Bulgaria, two each in India and Serbia, and one each in Greece, Georgia, and Latvia. We monitored the blazar quasi-simultaneously for 16 nights in the V and R bands and 8 nights in the V, R, I bands and examined the light curves (LCs) for intra-day flux and colour variations using two powerful tests: the power-enhanced F-test and the nested ANOVA test. The source was found to be significantly (>99 per cent) variable in 4 nights out of 27 in R-band, 1 out of 16 in V-band, and 1 out of 6 nights in I-band. No temporal variations in the colours were observed on IDV time-scale. During the course of these observations the total variation in R-band was 0.89 mag observed. We also investigated the spectral energy distribution (SED) using B-, V-, R-, and I-band data. We found optical spectral indices in the range of 0.878 ± 0.029 to 1.106 ± 0.065 by fitting a power law (Fν∝ν−α) to these SEDs of PG 1553 + 113. We found that the source follows a bluer-when-brighter trend on IDV time-scales. We discuss possible physical causes of the observed spectral variability. Online veröffentlicht 2022 December 20 Gesehen am 24.04.2023 |
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