Photospheric properties and fundamental parameters of M dwarfs

Author： Rajpurohit A.S.   Allard F.   Teixeira G. D. C.   Homeier D.   Rajpurohit S.   Mousis O.  

Publisher： Edp Sciences

E-ISSN： 1432-0746|610|issue|A19-A19

ISSN： 0004-6361

Source： Astronomy & Astrophysics, Vol.610, Iss.issue, 2018-02, pp. : A19-A19

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract

Context. M dwarfs are an important source of information when studying and probing the lower end of the Hertzsprung-Russell (HR) diagram, down to the hydrogen-burning limit. Being the most numerous and oldest stars in the galaxy, they carry fundamental information on its chemical history. The presence of molecules in their atmospheres, along with various condensed species, complicates our understanding of their physical properties and thus makes the determination of their fundamental stellar parameters more challenging and difficult.

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