The measurement of masses of OB-type stars from LAMOST DR5
The measurements of masses and luminosities of massive stars play an important role in understanding the formation and evolution of their host galaxies. In this work, we present the measurement of masses and luminosities of 2,946 OB-type stars, including 78 O-type stars and 2,868 B-type stars, based...
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| creator | Huo, Zhenyan Liu, Zhicun Cui, Wenyuan Liu, Chao Liu, Jiaming Sun, Mingxu Feng, Shuai Li, Linlin |
| description | The measurements of masses and luminosities of massive stars play an
important role in understanding the formation and evolution of their host
galaxies. In this work, we present the measurement of masses and luminosities
of 2,946 OB-type stars, including 78 O-type stars and 2,868 B-type stars, based
on their stellar parameters (effective temperature, surface gravity, and
metallicity) and PARSEC isochrones model. Our results show that the median mass
and luminosity of the 2,946 OB-type stars are 5.4 M$_{\odot}$ and
log(L/L$_{\odot}$)=3.2 with the median relative error of 21.4$\%$ and 71.1$\%$,
respectively. A good agreement between our results estimated by using our
method and those derived by using the orbital motions of binary stars from the
literature is found for some B-type stars. In addition, we also fit the
mass-luminosity relation of B-type stars by using our derived mass and the
luminosity from $Gaia$ DR3. |
| doi_str_mv | 10.48550/arxiv.2311.16436 |
| format | Article |
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important role in understanding the formation and evolution of their host
galaxies. In this work, we present the measurement of masses and luminosities
of 2,946 OB-type stars, including 78 O-type stars and 2,868 B-type stars, based
on their stellar parameters (effective temperature, surface gravity, and
metallicity) and PARSEC isochrones model. Our results show that the median mass
and luminosity of the 2,946 OB-type stars are 5.4 M$_{\odot}$ and
log(L/L$_{\odot}$)=3.2 with the median relative error of 21.4$\%$ and 71.1$\%$,
respectively. A good agreement between our results estimated by using our
method and those derived by using the orbital motions of binary stars from the
literature is found for some B-type stars. In addition, we also fit the
mass-luminosity relation of B-type stars by using our derived mass and the
luminosity from $Gaia$ DR3.</description><identifier>DOI: 10.48550/arxiv.2311.16436</identifier><language>eng</language><subject>Physics - Solar and Stellar Astrophysics</subject><creationdate>2023-11</creationdate><rights>http://creativecommons.org/licenses/by/4.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>228,230,781,886</link.rule.ids><linktorsrc>$$Uhttps://arxiv.org/abs/2311.16436$$EView_record_in_Cornell_University$$FView_record_in_$$GCornell_University$$Hfree_for_read</linktorsrc><backlink>$$Uhttps://doi.org/10.48550/arXiv.2311.16436$$DView paper in arXiv$$Hfree_for_read</backlink></links><search><creatorcontrib>Huo, Zhenyan</creatorcontrib><creatorcontrib>Liu, Zhicun</creatorcontrib><creatorcontrib>Cui, Wenyuan</creatorcontrib><creatorcontrib>Liu, Chao</creatorcontrib><creatorcontrib>Liu, Jiaming</creatorcontrib><creatorcontrib>Sun, Mingxu</creatorcontrib><creatorcontrib>Feng, Shuai</creatorcontrib><creatorcontrib>Li, Linlin</creatorcontrib><title>The measurement of masses of OB-type stars from LAMOST DR5</title><description>The measurements of masses and luminosities of massive stars play an
important role in understanding the formation and evolution of their host
galaxies. In this work, we present the measurement of masses and luminosities
of 2,946 OB-type stars, including 78 O-type stars and 2,868 B-type stars, based
on their stellar parameters (effective temperature, surface gravity, and
metallicity) and PARSEC isochrones model. Our results show that the median mass
and luminosity of the 2,946 OB-type stars are 5.4 M$_{\odot}$ and
log(L/L$_{\odot}$)=3.2 with the median relative error of 21.4$\%$ and 71.1$\%$,
respectively. A good agreement between our results estimated by using our
method and those derived by using the orbital motions of binary stars from the
literature is found for some B-type stars. In addition, we also fit the
mass-luminosity relation of B-type stars by using our derived mass and the
luminosity from $Gaia$ DR3.</description><subject>Physics - Solar and Stellar Astrophysics</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>GOX</sourceid><recordid>eNotj8tOwzAURL1hgQofwAr_QIJvru3Y7Ep5FCkoUpt95MTXolLdVnZA9O-hLauZzRzNYewORCmNUuLBpZ_Nd1khQAlaor5mj90n8UgufyWKtJv4PvDocqZ8au1TMR0PxPPkUuYh7SNv5h_tuuPPK3XDroLbZrr9zxnrXl-6xbJo2rf3xbwpnK514b0gqyxqQjSjsVaOg0aoHITBgwUUgIOtjdBeGVX5-m8VfC3QjjJISzhj9xfs-Xx_SJvo0rE_SfRnCfwFC_M_Lw</recordid><startdate>20231127</startdate><enddate>20231127</enddate><creator>Huo, Zhenyan</creator><creator>Liu, Zhicun</creator><creator>Cui, Wenyuan</creator><creator>Liu, Chao</creator><creator>Liu, Jiaming</creator><creator>Sun, Mingxu</creator><creator>Feng, Shuai</creator><creator>Li, Linlin</creator><scope>GOX</scope></search><sort><creationdate>20231127</creationdate><title>The measurement of masses of OB-type stars from LAMOST DR5</title><author>Huo, Zhenyan ; Liu, Zhicun ; Cui, Wenyuan ; Liu, Chao ; Liu, Jiaming ; Sun, Mingxu ; Feng, Shuai ; Li, Linlin</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a676-dd0e95936e338c8994cb6312a1fbd1913013b97806d5852d7a67fd7039c4f49e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Physics - Solar and Stellar Astrophysics</topic><toplevel>online_resources</toplevel><creatorcontrib>Huo, Zhenyan</creatorcontrib><creatorcontrib>Liu, Zhicun</creatorcontrib><creatorcontrib>Cui, Wenyuan</creatorcontrib><creatorcontrib>Liu, Chao</creatorcontrib><creatorcontrib>Liu, Jiaming</creatorcontrib><creatorcontrib>Sun, Mingxu</creatorcontrib><creatorcontrib>Feng, Shuai</creatorcontrib><creatorcontrib>Li, Linlin</creatorcontrib><collection>arXiv.org</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Huo, Zhenyan</au><au>Liu, Zhicun</au><au>Cui, Wenyuan</au><au>Liu, Chao</au><au>Liu, Jiaming</au><au>Sun, Mingxu</au><au>Feng, Shuai</au><au>Li, Linlin</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The measurement of masses of OB-type stars from LAMOST DR5</atitle><date>2023-11-27</date><risdate>2023</risdate><abstract>The measurements of masses and luminosities of massive stars play an
important role in understanding the formation and evolution of their host
galaxies. In this work, we present the measurement of masses and luminosities
of 2,946 OB-type stars, including 78 O-type stars and 2,868 B-type stars, based
on their stellar parameters (effective temperature, surface gravity, and
metallicity) and PARSEC isochrones model. Our results show that the median mass
and luminosity of the 2,946 OB-type stars are 5.4 M$_{\odot}$ and
log(L/L$_{\odot}$)=3.2 with the median relative error of 21.4$\%$ and 71.1$\%$,
respectively. A good agreement between our results estimated by using our
method and those derived by using the orbital motions of binary stars from the
literature is found for some B-type stars. In addition, we also fit the
mass-luminosity relation of B-type stars by using our derived mass and the
luminosity from $Gaia$ DR3.</abstract><doi>10.48550/arxiv.2311.16436</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Physics - Solar and Stellar Astrophysics |
| title | The measurement of masses of OB-type stars from LAMOST DR5 |
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