Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar

We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that th...
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Autor*in:	Yipeng Zhou [verfasserIn] Peng Jiang [verfasserIn] Xiheng Shi [verfasserIn] Lei Hao [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Active galaxies Radio loud quasars Double quasars Emission line galaxies

Übergeordnetes Werk:	In: The Astrophysical Journal - IOP Publishing, 2022, 959(2023), 1, p 47
Übergeordnetes Werk:	volume:959 ; year:2023 ; number:1, p 47

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3847/1538-4357/ad0150

Katalog-ID:	DOAJ100122213

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520			\|a We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that the peaks of broad emission lines (BELs), including H α , H β , and H γ , and the peaks of individual Fe ii BELs, are blueshifted as large as v ≈ 1500 km s ^−1 with respect to the systemic redshift determined by the low-ionization [O ii ] narrow emission line. BEL components at the systemic redshift are also significantly detected, though much weaker than the corresponding blueshifted components. Interestingly, the Mg ii BEL also shows a similar double-peaked profile, yet with a weaker blueshifted component relative to the unshifted one. We interpret these exceptional BELs as originating from massive outflows, possibly with both densities and column densities much higher than those of the normal BEL region (BELR). Alternative scenarios, however, cannot be completely ruled out based on the data available, including a gravitationally bound binary of active supermassive black holes (SMBHs), each with an unattached BELR, or a recoiling SMBH caused by anisotropic gravitational radiation during the coalescence of the progenitor binary. Follow-up observations will be able to disentangle these scenarios, and to also provide valuable clues to understand the growth of SMBHs and the assembly of their host galaxies.
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allfieldsGer	10.3847/1538-4357/ad0150 doi (DE-627)DOAJ100122213 (DE-599)DOAJ46a6a8b2b23d40a5b1ed7300742e5616 DE-627 ger DE-627 rakwb eng QB460-466 Yipeng Zhou verfasserin aut Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that the peaks of broad emission lines (BELs), including H α , H β , and H γ , and the peaks of individual Fe ii BELs, are blueshifted as large as v ≈ 1500 km s ^−1 with respect to the systemic redshift determined by the low-ionization [O ii ] narrow emission line. BEL components at the systemic redshift are also significantly detected, though much weaker than the corresponding blueshifted components. Interestingly, the Mg ii BEL also shows a similar double-peaked profile, yet with a weaker blueshifted component relative to the unshifted one. We interpret these exceptional BELs as originating from massive outflows, possibly with both densities and column densities much higher than those of the normal BEL region (BELR). Alternative scenarios, however, cannot be completely ruled out based on the data available, including a gravitationally bound binary of active supermassive black holes (SMBHs), each with an unattached BELR, or a recoiling SMBH caused by anisotropic gravitational radiation during the coalescence of the progenitor binary. Follow-up observations will be able to disentangle these scenarios, and to also provide valuable clues to understand the growth of SMBHs and the assembly of their host galaxies. Active galaxies Radio loud quasars Double quasars Emission line galaxies Astrophysics Peng Jiang verfasserin aut Xiheng Shi verfasserin aut Lei Hao verfasserin aut In The Astrophysical Journal IOP Publishing, 2022 959(2023), 1, p 47 (DE-627)269019219 (DE-600)1473835-1 15384357 nnns volume:959 year:2023 number:1, p 47 https://doi.org/10.3847/1538-4357/ad0150 kostenfrei https://doaj.org/article/46a6a8b2b23d40a5b1ed7300742e5616 kostenfrei https://doi.org/10.3847/1538-4357/ad0150 kostenfrei https://doaj.org/toc/1538-4357 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2014 GBV_ILN_2088 GBV_ILN_2522 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 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 959 2023 1, p 47
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callnumber-first	Q - Science
author	Yipeng Zhou
spellingShingle	Yipeng Zhou misc QB460-466 misc Active galaxies misc Radio loud quasars misc Double quasars misc Emission line galaxies misc Astrophysics Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar
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topic_title	QB460-466 Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar Active galaxies Radio loud quasars Double quasars Emission line galaxies
topic	misc QB460-466 misc Active galaxies misc Radio loud quasars misc Double quasars misc Emission line galaxies misc Astrophysics
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title	Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar
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title_full	Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar
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title_sort	blueshifted fe ii and balmer broad emission lines in a reddened quasar
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title_auth	Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar
abstract	We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that the peaks of broad emission lines (BELs), including H α , H β , and H γ , and the peaks of individual Fe ii BELs, are blueshifted as large as v ≈ 1500 km s ^−1 with respect to the systemic redshift determined by the low-ionization [O ii ] narrow emission line. BEL components at the systemic redshift are also significantly detected, though much weaker than the corresponding blueshifted components. Interestingly, the Mg ii BEL also shows a similar double-peaked profile, yet with a weaker blueshifted component relative to the unshifted one. We interpret these exceptional BELs as originating from massive outflows, possibly with both densities and column densities much higher than those of the normal BEL region (BELR). Alternative scenarios, however, cannot be completely ruled out based on the data available, including a gravitationally bound binary of active supermassive black holes (SMBHs), each with an unattached BELR, or a recoiling SMBH caused by anisotropic gravitational radiation during the coalescence of the progenitor binary. Follow-up observations will be able to disentangle these scenarios, and to also provide valuable clues to understand the growth of SMBHs and the assembly of their host galaxies.
abstractGer	We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that the peaks of broad emission lines (BELs), including H α , H β , and H γ , and the peaks of individual Fe ii BELs, are blueshifted as large as v ≈ 1500 km s ^−1 with respect to the systemic redshift determined by the low-ionization [O ii ] narrow emission line. BEL components at the systemic redshift are also significantly detected, though much weaker than the corresponding blueshifted components. Interestingly, the Mg ii BEL also shows a similar double-peaked profile, yet with a weaker blueshifted component relative to the unshifted one. We interpret these exceptional BELs as originating from massive outflows, possibly with both densities and column densities much higher than those of the normal BEL region (BELR). Alternative scenarios, however, cannot be completely ruled out based on the data available, including a gravitationally bound binary of active supermassive black holes (SMBHs), each with an unattached BELR, or a recoiling SMBH caused by anisotropic gravitational radiation during the coalescence of the progenitor binary. Follow-up observations will be able to disentangle these scenarios, and to also provide valuable clues to understand the growth of SMBHs and the assembly of their host galaxies.
abstract_unstemmed	We present detailed analysis of the optical and near-infrared spectrum of the reddened radio-loud quasar F2M J154043.74+492323.9 with strong optical Fe ii emission of ${R}_{4570}\equiv \tfrac{\mathrm{Fe}\,{\rm\small{II}}\lambda \lambda \,4434,4684}{{\rm{H}}\beta }=1.60\pm 0.14$ . It is found that the peaks of broad emission lines (BELs), including H α , H β , and H γ , and the peaks of individual Fe ii BELs, are blueshifted as large as v ≈ 1500 km s ^−1 with respect to the systemic redshift determined by the low-ionization [O ii ] narrow emission line. BEL components at the systemic redshift are also significantly detected, though much weaker than the corresponding blueshifted components. Interestingly, the Mg ii BEL also shows a similar double-peaked profile, yet with a weaker blueshifted component relative to the unshifted one. We interpret these exceptional BELs as originating from massive outflows, possibly with both densities and column densities much higher than those of the normal BEL region (BELR). Alternative scenarios, however, cannot be completely ruled out based on the data available, including a gravitationally bound binary of active supermassive black holes (SMBHs), each with an unattached BELR, or a recoiling SMBH caused by anisotropic gravitational radiation during the coalescence of the progenitor binary. Follow-up observations will be able to disentangle these scenarios, and to also provide valuable clues to understand the growth of SMBHs and the assembly of their host galaxies.
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title_short	Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar
url	https://doi.org/10.3847/1538-4357/ad0150 https://doaj.org/article/46a6a8b2b23d40a5b1ed7300742e5616 https://doaj.org/toc/1538-4357
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Blueshifted Fe ii and Balmer Broad Emission lines in a Reddened Quasar

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