The strange hot horizontal-branch binary star in NGC 6752
M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never...
Ausführliche Beschreibung
Autor*in: |
Bidin Christian Moni [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2018 |
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Übergeordnetes Werk: |
In: Open Astronomy - De Gruyter, 2018, 27(2018), 1, Seite 91-94 |
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Übergeordnetes Werk: |
volume:27 ; year:2018 ; number:1 ; pages:91-94 |
Links: |
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DOI / URN: |
10.1515/astro-2018-0016 |
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Katalog-ID: |
DOAJ062552295 |
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10.1515/astro-2018-0016 doi (DE-627)DOAJ062552295 (DE-599)DOAJ82dbf98b32204fc49a47913815be3a7a DE-627 ger DE-627 rakwb eng QB1-991 Bidin Christian Moni verfasserin aut The strange hot horizontal-branch binary star in NGC 6752 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. close binaries horizontal branch globular cluster Astronomy In Open Astronomy De Gruyter, 2018 27(2018), 1, Seite 91-94 (DE-627)1000905144 (DE-600)2908865-3 25436376 nnns volume:27 year:2018 number:1 pages:91-94 https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/article/82dbf98b32204fc49a47913815be3a7a kostenfrei https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/toc/2543-6376 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 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 27 2018 1 91-94 |
spelling |
10.1515/astro-2018-0016 doi (DE-627)DOAJ062552295 (DE-599)DOAJ82dbf98b32204fc49a47913815be3a7a DE-627 ger DE-627 rakwb eng QB1-991 Bidin Christian Moni verfasserin aut The strange hot horizontal-branch binary star in NGC 6752 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. close binaries horizontal branch globular cluster Astronomy In Open Astronomy De Gruyter, 2018 27(2018), 1, Seite 91-94 (DE-627)1000905144 (DE-600)2908865-3 25436376 nnns volume:27 year:2018 number:1 pages:91-94 https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/article/82dbf98b32204fc49a47913815be3a7a kostenfrei https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/toc/2543-6376 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 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 27 2018 1 91-94 |
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10.1515/astro-2018-0016 doi (DE-627)DOAJ062552295 (DE-599)DOAJ82dbf98b32204fc49a47913815be3a7a DE-627 ger DE-627 rakwb eng QB1-991 Bidin Christian Moni verfasserin aut The strange hot horizontal-branch binary star in NGC 6752 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. close binaries horizontal branch globular cluster Astronomy In Open Astronomy De Gruyter, 2018 27(2018), 1, Seite 91-94 (DE-627)1000905144 (DE-600)2908865-3 25436376 nnns volume:27 year:2018 number:1 pages:91-94 https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/article/82dbf98b32204fc49a47913815be3a7a kostenfrei https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/toc/2543-6376 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 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 27 2018 1 91-94 |
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10.1515/astro-2018-0016 doi (DE-627)DOAJ062552295 (DE-599)DOAJ82dbf98b32204fc49a47913815be3a7a DE-627 ger DE-627 rakwb eng QB1-991 Bidin Christian Moni verfasserin aut The strange hot horizontal-branch binary star in NGC 6752 2018 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. close binaries horizontal branch globular cluster Astronomy In Open Astronomy De Gruyter, 2018 27(2018), 1, Seite 91-94 (DE-627)1000905144 (DE-600)2908865-3 25436376 nnns volume:27 year:2018 number:1 pages:91-94 https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/article/82dbf98b32204fc49a47913815be3a7a kostenfrei https://doi.org/10.1515/astro-2018-0016 kostenfrei https://doaj.org/toc/2543-6376 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA 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_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 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 27 2018 1 91-94 |
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The strange hot horizontal-branch binary star in NGC 6752 |
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M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. |
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M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. |
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M5865 is the only so-far confirmed close binary found in the extreme horizontal branch (EHB) of a globular cluster. A detailed study has recently proposed that this object could be a close system (period P=1.61 days) comprising a EHB and a main-sequence star of mass M≈0.6 Mʘ. Such a system has never been found among hundreds of known EHB binaries in the field, and it results in a very interesting, unique object. In this contribution, we resume the previous literature results on M5865, we discuss the reasons of interest on it, and we present some very preliminary results obtained from new observations. |
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The strange hot horizontal-branch binary star in NGC 6752 |
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