The Mass–Activity Relationships in M and K Dwarfs. I. Stellar Parameters of Our Sample of M and K Dwarfs
Empirical correlations between stellar parameters such as rotation or radius and magnetic activity diagnostics require estimates of the effective temperatures and the stellar radii. The aim of this study is to propose simple methods that can be applied to large samples of stars in order to derive es...
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| Veröffentlicht in: | The Astronomical journal 2019-08, Vol.158 (2), p.56 |
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| creator | Houdebine, Éric R. Mullan, D. J. Doyle, J. G. de La Vieuville, Geoffroy Butler, C. J. Paletou, F. |
| description | Empirical correlations between stellar parameters such as rotation or radius and magnetic activity diagnostics require estimates of the effective temperatures and the stellar radii. The aim of this study is to propose simple methods that can be applied to large samples of stars in order to derive estimates of the stellar parameters. Good empirical correlations between red/infrared colors (e.g., (
R
–
I
)
C
) and effective temperatures have been well established for a long time. The more recent (
R
–
I
)
C
color–
T
eff
correlation using the data of Mann et al. (hereafter M15) and Boyajian et al. (hereafter B12) shows that this color can be applied as a temperature estimate for large samples of stars. We find that the mean scatter in
T
eff
relative to the (
R
–
I
)
C
–
T
eff
relationship of B12 and M15 data is only ±3
σ
= 44.6 K for K dwarfs and ±3
σ
= 39.4 K for M dwarfs. These figures are small and show that the (
R
–
I
)
C
color can be used as a first-guess effective temperature estimator for K and M dwarfs. We derive effective temperatures for about 1910 K and M dwarfs using the calibration of (
R
–
I
)
C
color–
T
eff
from B12 and M15 data. We also compiled
T
eff
and metallicity measurements available in the literature using the VizieR database. We determine
T
eff
for 441 stars with previously unknown effective temperatures. We also identified 21 new spectroscopic binaries and one triple system from our high-resolution spectra. |
| doi_str_mv | 10.3847/1538-3881/ab23fe |
| format | Article |
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R
–
I
)
C
) and effective temperatures have been well established for a long time. The more recent (
R
–
I
)
C
color–
T
eff
correlation using the data of Mann et al. (hereafter M15) and Boyajian et al. (hereafter B12) shows that this color can be applied as a temperature estimate for large samples of stars. We find that the mean scatter in
T
eff
relative to the (
R
–
I
)
C
–
T
eff
relationship of B12 and M15 data is only ±3
σ
= 44.6 K for K dwarfs and ±3
σ
= 39.4 K for M dwarfs. These figures are small and show that the (
R
–
I
)
C
color can be used as a first-guess effective temperature estimator for K and M dwarfs. We derive effective temperatures for about 1910 K and M dwarfs using the calibration of (
R
–
I
)
C
color–
T
eff
from B12 and M15 data. We also compiled
T
eff
and metallicity measurements available in the literature using the VizieR database. We determine
T
eff
for 441 stars with previously unknown effective temperatures. We also identified 21 new spectroscopic binaries and one triple system from our high-resolution spectra.</description><identifier>ISSN: 0004-6256</identifier><identifier>EISSN: 1538-3881</identifier><identifier>DOI: 10.3847/1538-3881/ab23fe</identifier><language>eng</language><publisher>Madison: IOP Publishing</publisher><subject>Astronomy ; Astrophysics ; Binary systems ; Calibration ; Color ; Correlation ; Effective temperatures ; Metallicity ; Parameter estimation ; Physics ; Red dwarf stars ; Stars ; Temperature</subject><ispartof>The Astronomical journal, 2019-08, Vol.158 (2), p.56</ispartof><rights>Copyright IOP Publishing Aug 2019</rights><rights>Distributed under a Creative Commons Attribution 4.0 International License</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-c12929b9c6e1fac2f7d76ad08d60b02054693c6313d34c6bd657dcc4fcaf496c3</citedby><cites>FETCH-LOGICAL-c343t-c12929b9c6e1fac2f7d76ad08d60b02054693c6313d34c6bd657dcc4fcaf496c3</cites><orcidid>0000-0002-7087-9167 ; 0000-0002-0403-7519</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids><backlink>$$Uhttps://hal.science/hal-02189226$$DView record in HAL$$Hfree_for_read</backlink></links><search><creatorcontrib>Houdebine, Éric R.</creatorcontrib><creatorcontrib>Mullan, D. J.</creatorcontrib><creatorcontrib>Doyle, J. G.</creatorcontrib><creatorcontrib>de La Vieuville, Geoffroy</creatorcontrib><creatorcontrib>Butler, C. J.</creatorcontrib><creatorcontrib>Paletou, F.</creatorcontrib><title>The Mass–Activity Relationships in M and K Dwarfs. I. Stellar Parameters of Our Sample of M and K Dwarfs</title><title>The Astronomical journal</title><description>Empirical correlations between stellar parameters such as rotation or radius and magnetic activity diagnostics require estimates of the effective temperatures and the stellar radii. The aim of this study is to propose simple methods that can be applied to large samples of stars in order to derive estimates of the stellar parameters. Good empirical correlations between red/infrared colors (e.g., (
R
–
I
)
C
) and effective temperatures have been well established for a long time. The more recent (
R
–
I
)
C
color–
T
eff
correlation using the data of Mann et al. (hereafter M15) and Boyajian et al. (hereafter B12) shows that this color can be applied as a temperature estimate for large samples of stars. We find that the mean scatter in
T
eff
relative to the (
R
–
I
)
C
–
T
eff
relationship of B12 and M15 data is only ±3
σ
= 44.6 K for K dwarfs and ±3
σ
= 39.4 K for M dwarfs. These figures are small and show that the (
R
–
I
)
C
color can be used as a first-guess effective temperature estimator for K and M dwarfs. We derive effective temperatures for about 1910 K and M dwarfs using the calibration of (
R
–
I
)
C
color–
T
eff
from B12 and M15 data. We also compiled
T
eff
and metallicity measurements available in the literature using the VizieR database. We determine
T
eff
for 441 stars with previously unknown effective temperatures. We also identified 21 new spectroscopic binaries and one triple system from our high-resolution spectra.</description><subject>Astronomy</subject><subject>Astrophysics</subject><subject>Binary systems</subject><subject>Calibration</subject><subject>Color</subject><subject>Correlation</subject><subject>Effective temperatures</subject><subject>Metallicity</subject><subject>Parameter estimation</subject><subject>Physics</subject><subject>Red dwarf stars</subject><subject>Stars</subject><subject>Temperature</subject><issn>0004-6256</issn><issn>1538-3881</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNpVkMtKw0AUhgdRsFb3LgdcuUg7t0ySZamXFlsqtq6Hk8kMTUmTOJNWuvMdfEOfxIZIwdXh_Hzn5_AhdEvJgMciGtKQxwGPYzqElHFrzlDvFJ2jHiFEBJKF8hJdeb8hhNKYiB7arNYGz8H7n6_vkW7yfd4c8JspoMmr0q_z2uO8xHMMZYZf8MMnOOsHeDrAy8YUBTj8Cg62pjHO48rixc7hJWzrwrTb_7NrdGGh8Obmb_bR-9PjajwJZovn6Xg0CzQXvAk0ZQlL0kRLQy1oZqMskpCROJMkJYyEQiZcS055xoWWaSbDKNNaWA1WJFLzPrrvetdQqNrlW3AHVUGuJqOZajPCaJwwJvf0yN51bO2qj53xjdpUO1ce31OMh1EowihhR4p0lHaV987YUy0lqrWvWtWqVa06-_wXWXd3Aw</recordid><startdate>20190801</startdate><enddate>20190801</enddate><creator>Houdebine, Éric R.</creator><creator>Mullan, D. J.</creator><creator>Doyle, J. G.</creator><creator>de La Vieuville, Geoffroy</creator><creator>Butler, C. J.</creator><creator>Paletou, F.</creator><general>IOP Publishing</general><general>American Astronomical Society</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TG</scope><scope>8FD</scope><scope>H8D</scope><scope>KL.</scope><scope>L7M</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-7087-9167</orcidid><orcidid>https://orcid.org/0000-0002-0403-7519</orcidid></search><sort><creationdate>20190801</creationdate><title>The Mass–Activity Relationships in M and K Dwarfs. I. Stellar Parameters of Our Sample of M and K Dwarfs</title><author>Houdebine, Éric R. ; Mullan, D. J. ; Doyle, J. G. ; de La Vieuville, Geoffroy ; Butler, C. J. ; Paletou, F.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c343t-c12929b9c6e1fac2f7d76ad08d60b02054693c6313d34c6bd657dcc4fcaf496c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Astronomy</topic><topic>Astrophysics</topic><topic>Binary systems</topic><topic>Calibration</topic><topic>Color</topic><topic>Correlation</topic><topic>Effective temperatures</topic><topic>Metallicity</topic><topic>Parameter estimation</topic><topic>Physics</topic><topic>Red dwarf stars</topic><topic>Stars</topic><topic>Temperature</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Houdebine, Éric R.</creatorcontrib><creatorcontrib>Mullan, D. J.</creatorcontrib><creatorcontrib>Doyle, J. G.</creatorcontrib><creatorcontrib>de La Vieuville, Geoffroy</creatorcontrib><creatorcontrib>Butler, C. J.</creatorcontrib><creatorcontrib>Paletou, F.</creatorcontrib><collection>CrossRef</collection><collection>Meteorological & Geoastrophysical Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Meteorological & Geoastrophysical Abstracts - Academic</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>The Astronomical journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Houdebine, Éric R.</au><au>Mullan, D. J.</au><au>Doyle, J. G.</au><au>de La Vieuville, Geoffroy</au><au>Butler, C. J.</au><au>Paletou, F.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Mass–Activity Relationships in M and K Dwarfs. I. Stellar Parameters of Our Sample of M and K Dwarfs</atitle><jtitle>The Astronomical journal</jtitle><date>2019-08-01</date><risdate>2019</risdate><volume>158</volume><issue>2</issue><spage>56</spage><pages>56-</pages><issn>0004-6256</issn><eissn>1538-3881</eissn><abstract>Empirical correlations between stellar parameters such as rotation or radius and magnetic activity diagnostics require estimates of the effective temperatures and the stellar radii. The aim of this study is to propose simple methods that can be applied to large samples of stars in order to derive estimates of the stellar parameters. Good empirical correlations between red/infrared colors (e.g., (
R
–
I
)
C
) and effective temperatures have been well established for a long time. The more recent (
R
–
I
)
C
color–
T
eff
correlation using the data of Mann et al. (hereafter M15) and Boyajian et al. (hereafter B12) shows that this color can be applied as a temperature estimate for large samples of stars. We find that the mean scatter in
T
eff
relative to the (
R
–
I
)
C
–
T
eff
relationship of B12 and M15 data is only ±3
σ
= 44.6 K for K dwarfs and ±3
σ
= 39.4 K for M dwarfs. These figures are small and show that the (
R
–
I
)
C
color can be used as a first-guess effective temperature estimator for K and M dwarfs. We derive effective temperatures for about 1910 K and M dwarfs using the calibration of (
R
–
I
)
C
color–
T
eff
from B12 and M15 data. We also compiled
T
eff
and metallicity measurements available in the literature using the VizieR database. We determine
T
eff
for 441 stars with previously unknown effective temperatures. We also identified 21 new spectroscopic binaries and one triple system from our high-resolution spectra.</abstract><cop>Madison</cop><pub>IOP Publishing</pub><doi>10.3847/1538-3881/ab23fe</doi><orcidid>https://orcid.org/0000-0002-7087-9167</orcidid><orcidid>https://orcid.org/0000-0002-0403-7519</orcidid><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| source | IOP Publishing Free Content; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; IOPscience extra; Alma/SFX Local Collection |
| subjects | Astronomy Astrophysics Binary systems Calibration Color Correlation Effective temperatures Metallicity Parameter estimation Physics Red dwarf stars Stars Temperature |
| title | The Mass–Activity Relationships in M and K Dwarfs. I. Stellar Parameters of Our Sample of M and K Dwarfs |
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