Meet the family − the catalog of known hot subdwarf stars

In preparation for the upcoming all-sky data releases of the Gaia mission, we compiled a catalog of known hot subdwarf stars and candidates drawn from the literature and yet unpublished databases. The catalog contains 5613 unique sources and provides multi-band photometry from the ultraviolet to the...
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Autor*in:	Geier Stephan [verfasserIn] Østensen Roy H. [verfasserIn] Nemeth Peter [verfasserIn] Heber Ulrich [verfasserIn] Gentile Fusillo Nicola P. [verfasserIn] Gänsicke Boris T. [verfasserIn] Telting John H. [verfasserIn] Green Elizabeth M. [verfasserIn] Schaffenroth Johannes [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2017

Schlagwörter:	stars: subdwarfs stars: horizontal branch catalogs

Übergeordnetes Werk:	In: Open Astronomy - De Gruyter, 2018, 26(2017), 1, Seite 164-168
Übergeordnetes Werk:	volume:26 ; year:2017 ; number:1 ; pages:164-168

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1515/astro-2017-0031

Katalog-ID:	DOAJ023950218

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allfieldsSound	10.1515/astro-2017-0031 doi (DE-627)DOAJ023950218 (DE-599)DOAJa6bd8f812d7a4dc5881f8a86b32094bf DE-627 ger DE-627 rakwb eng QB1-991 Geier Stephan verfasserin aut Meet the family − the catalog of known hot subdwarf stars 2017 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In preparation for the upcoming all-sky data releases of the Gaia mission, we compiled a catalog of known hot subdwarf stars and candidates drawn from the literature and yet unpublished databases. The catalog contains 5613 unique sources and provides multi-band photometry from the ultraviolet to the far infrared, ground based proper motions, classifications based on spectroscopy and colors, published atmospheric parameters, radial velocities and light curve variability information. Using several different techniques, we removed outliers and misclassified objects. By matching this catalog with astrometric and photometric data from the Gaia mission, we will develop selection criteria to construct a homogeneous, magnitude-limited all-sky catalog of hot subdwarf stars based on Gaia data. As first application of the catalog data, we present the quantitative spectral analysis of 280 sdB and sdOB stars from the Sloan Digital Sky Survey Data Release 7. Combining our derived parameters with state-of-the-art proper motions, we performed a full kinematic analysis of our sample. This allowed us to separate the first significantly large sample of 78 sdBs and sdOBs belonging to the Galactic halo. Comparing the properties of hot subdwarfs from the disk and the halo with hot subdwarf samples from the globular clusters ω Cen and NGC 2808, we found the fraction of intermediate He-sdOBs in the field halo population to be significantly smaller than in the globular clusters. stars: subdwarfs stars: horizontal branch catalogs Astronomy Østensen Roy H. verfasserin aut Nemeth Peter verfasserin aut Heber Ulrich verfasserin aut Gentile Fusillo Nicola P. verfasserin aut Gänsicke Boris T. verfasserin aut Telting John H. verfasserin aut Green Elizabeth M. verfasserin aut Schaffenroth Johannes verfasserin aut In Open Astronomy De Gruyter, 2018 26(2017), 1, Seite 164-168 (DE-627)1000905144 (DE-600)2908865-3 25436376 nnns volume:26 year:2017 number:1 pages:164-168 https://doi.org/10.1515/astro-2017-0031 kostenfrei https://doaj.org/article/a6bd8f812d7a4dc5881f8a86b32094bf kostenfrei http://www.degruyter.com/view/j/astro.2017.26.issue-1/astro-2017-0031/astro-2017-0031.xml?format=INT kostenfrei https://doaj.org/toc/2543-6376 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_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 26 2017 1 164-168
language	English
source	In Open Astronomy 26(2017), 1, Seite 164-168 volume:26 year:2017 number:1 pages:164-168
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callnumber-first	Q - Science
author	Geier Stephan
spellingShingle	Geier Stephan misc QB1-991 misc stars: subdwarfs misc stars: horizontal branch misc catalogs misc Astronomy Meet the family − the catalog of known hot subdwarf stars
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topic_title	QB1-991 Meet the family − the catalog of known hot subdwarf stars stars: subdwarfs stars: horizontal branch catalogs
topic	misc QB1-991 misc stars: subdwarfs misc stars: horizontal branch misc catalogs misc Astronomy
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title	Meet the family − the catalog of known hot subdwarf stars
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title_full	Meet the family − the catalog of known hot subdwarf stars
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author_browse	Geier Stephan Østensen Roy H. Nemeth Peter Heber Ulrich Gentile Fusillo Nicola P. Gänsicke Boris T. Telting John H. Green Elizabeth M. Schaffenroth Johannes
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title_sort	meet the family − the catalog of known hot subdwarf stars
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title_auth	Meet the family − the catalog of known hot subdwarf stars
abstract	In preparation for the upcoming all-sky data releases of the Gaia mission, we compiled a catalog of known hot subdwarf stars and candidates drawn from the literature and yet unpublished databases. The catalog contains 5613 unique sources and provides multi-band photometry from the ultraviolet to the far infrared, ground based proper motions, classifications based on spectroscopy and colors, published atmospheric parameters, radial velocities and light curve variability information. Using several different techniques, we removed outliers and misclassified objects. By matching this catalog with astrometric and photometric data from the Gaia mission, we will develop selection criteria to construct a homogeneous, magnitude-limited all-sky catalog of hot subdwarf stars based on Gaia data. As first application of the catalog data, we present the quantitative spectral analysis of 280 sdB and sdOB stars from the Sloan Digital Sky Survey Data Release 7. Combining our derived parameters with state-of-the-art proper motions, we performed a full kinematic analysis of our sample. This allowed us to separate the first significantly large sample of 78 sdBs and sdOBs belonging to the Galactic halo. Comparing the properties of hot subdwarfs from the disk and the halo with hot subdwarf samples from the globular clusters ω Cen and NGC 2808, we found the fraction of intermediate He-sdOBs in the field halo population to be significantly smaller than in the globular clusters.
abstractGer	In preparation for the upcoming all-sky data releases of the Gaia mission, we compiled a catalog of known hot subdwarf stars and candidates drawn from the literature and yet unpublished databases. The catalog contains 5613 unique sources and provides multi-band photometry from the ultraviolet to the far infrared, ground based proper motions, classifications based on spectroscopy and colors, published atmospheric parameters, radial velocities and light curve variability information. Using several different techniques, we removed outliers and misclassified objects. By matching this catalog with astrometric and photometric data from the Gaia mission, we will develop selection criteria to construct a homogeneous, magnitude-limited all-sky catalog of hot subdwarf stars based on Gaia data. As first application of the catalog data, we present the quantitative spectral analysis of 280 sdB and sdOB stars from the Sloan Digital Sky Survey Data Release 7. Combining our derived parameters with state-of-the-art proper motions, we performed a full kinematic analysis of our sample. This allowed us to separate the first significantly large sample of 78 sdBs and sdOBs belonging to the Galactic halo. Comparing the properties of hot subdwarfs from the disk and the halo with hot subdwarf samples from the globular clusters ω Cen and NGC 2808, we found the fraction of intermediate He-sdOBs in the field halo population to be significantly smaller than in the globular clusters.
abstract_unstemmed	In preparation for the upcoming all-sky data releases of the Gaia mission, we compiled a catalog of known hot subdwarf stars and candidates drawn from the literature and yet unpublished databases. The catalog contains 5613 unique sources and provides multi-band photometry from the ultraviolet to the far infrared, ground based proper motions, classifications based on spectroscopy and colors, published atmospheric parameters, radial velocities and light curve variability information. Using several different techniques, we removed outliers and misclassified objects. By matching this catalog with astrometric and photometric data from the Gaia mission, we will develop selection criteria to construct a homogeneous, magnitude-limited all-sky catalog of hot subdwarf stars based on Gaia data. As first application of the catalog data, we present the quantitative spectral analysis of 280 sdB and sdOB stars from the Sloan Digital Sky Survey Data Release 7. Combining our derived parameters with state-of-the-art proper motions, we performed a full kinematic analysis of our sample. This allowed us to separate the first significantly large sample of 78 sdBs and sdOBs belonging to the Galactic halo. Comparing the properties of hot subdwarfs from the disk and the halo with hot subdwarf samples from the globular clusters ω Cen and NGC 2808, we found the fraction of intermediate He-sdOBs in the field halo population to be significantly smaller than in the globular clusters.
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container_issue	1
title_short	Meet the family − the catalog of known hot subdwarf stars
url	https://doi.org/10.1515/astro-2017-0031 https://doaj.org/article/a6bd8f812d7a4dc5881f8a86b32094bf http://www.degruyter.com/view/j/astro.2017.26.issue-1/astro-2017-0031/astro-2017-0031.xml?format=INT https://doaj.org/toc/2543-6376
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author2	Østensen Roy H. Nemeth Peter Heber Ulrich Gentile Fusillo Nicola P. Gänsicke Boris T. Telting John H. Green Elizabeth M. Schaffenroth Johannes
author2Str	Østensen Roy H. Nemeth Peter Heber Ulrich Gentile Fusillo Nicola P. Gänsicke Boris T. Telting John H. Green Elizabeth M. Schaffenroth Johannes
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up_date	2024-07-03T20:23:03.351Z
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Meet the family − the catalog of known hot subdwarf stars

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