SPIRou Input Catalogue: Global properties of 440 M dwarfs observed with ESPaDOnS at CFHT
Present and future high-precision radial-velocity spectrometers dedicated to the discovery of low-mass planets orbiting low-mass dwarfs need to focus on the best selected stars to make an efficient use of telescope time. In the framework of the preparation of the SPIRou Input Catalog, the CoolSnap p...
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| creator | Fouqué, Pascal Moutou, Claire Malo, Lison Eder Martioli Lim, Olivia Rajpurohit, Arvind Artigau, Etienne Delfosse, Xavier Donati, Jean-François veille, Thierry Morin, Julien Allard, France Delage, Raphaël Doyon, René Hébrard, Elodie Neves, Vasco |
| description | Present and future high-precision radial-velocity spectrometers dedicated to the discovery of low-mass planets orbiting low-mass dwarfs need to focus on the best selected stars to make an efficient use of telescope time. In the framework of the preparation of the SPIRou Input Catalog, the CoolSnap program aims at screening M dwarfs in the solar neighborhood against binarity, rapid rotation, activity, ... To optimize the selection, the present paper describes the methods used to compute effective temperature, metallicity, projected rotation velocity of a large sample of 440 M dwarfs observed in the visible with the high-resolution spectro-polarimeter ESPaDOnS at CFHT. It also summarizes known and newly-discovered spectroscopic binaries, and stars known to belong to visual multiple systems. A calibration of the projected rotation velocity versus measured line widths for M dwarfs observed by the ESPaDOnS spectro-polarimeter is derived, and the resulting values are compared to equatorial rotation velocities deduced from rotation periods and radii. A comparison of the derived effective temperatures and metallicities with literature values is also conducted. Finally, the radial velocity uncertainty of each star in the sample is estimated, to narrow down the selection of stars to be included into the SPIRou Input Catalogue (SPIC). |
| doi_str_mv | 10.48550/arxiv.1712.04490 |
| format | Article |
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Moutou, Claire ; Malo, Lison ; Eder Martioli ; Lim, Olivia ; Rajpurohit, Arvind ; Artigau, Etienne ; Delfosse, Xavier ; Donati, Jean-François ; veille, Thierry ; Morin, Julien ; Allard, France ; Delage, Raphaël ; Doyon, René ; Hébrard, Elodie ; Neves, Vasco</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a528-1c241d6f303625be3cb4a75586f84c44742467d79f6f5a96743b3c534782a8523</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Binary stars</topic><topic>Metallicity</topic><topic>Physics - Solar and Stellar Astrophysics</topic><topic>Planet detection</topic><topic>Polarimeters</topic><topic>Radial velocity</topic><topic>Red dwarf stars</topic><topic>Rotation</topic><topic>Solar neighborhood</topic><topic>Spectrometers</topic><topic>Velocity</topic><toplevel>online_resources</toplevel><creatorcontrib>Fouqué, Pascal</creatorcontrib><creatorcontrib>Moutou, Claire</creatorcontrib><creatorcontrib>Malo, Lison</creatorcontrib><creatorcontrib>Eder Martioli</creatorcontrib><creatorcontrib>Lim, Olivia</creatorcontrib><creatorcontrib>Rajpurohit, Arvind</creatorcontrib><creatorcontrib>Artigau, Etienne</creatorcontrib><creatorcontrib>Delfosse, Xavier</creatorcontrib><creatorcontrib>Donati, Jean-François</creatorcontrib><creatorcontrib>veille, Thierry</creatorcontrib><creatorcontrib>Morin, Julien</creatorcontrib><creatorcontrib>Allard, France</creatorcontrib><creatorcontrib>Delage, Raphaël</creatorcontrib><creatorcontrib>Doyon, René</creatorcontrib><creatorcontrib>Hébrard, Elodie</creatorcontrib><creatorcontrib>Neves, Vasco</creatorcontrib><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Access via ProQuest (Open Access)</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>Engineering Collection</collection><collection>arXiv.org</collection><jtitle>arXiv.org</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Fouqué, Pascal</au><au>Moutou, Claire</au><au>Malo, Lison</au><au>Eder Martioli</au><au>Lim, Olivia</au><au>Rajpurohit, Arvind</au><au>Artigau, Etienne</au><au>Delfosse, Xavier</au><au>Donati, Jean-François</au><au>veille, Thierry</au><au>Morin, Julien</au><au>Allard, France</au><au>Delage, Raphaël</au><au>Doyon, René</au><au>Hébrard, Elodie</au><au>Neves, Vasco</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>SPIRou Input Catalogue: Global properties of 440 M dwarfs observed with ESPaDOnS at CFHT</atitle><jtitle>arXiv.org</jtitle><date>2017-12-12</date><risdate>2017</risdate><eissn>2331-8422</eissn><abstract>Present and future high-precision radial-velocity spectrometers dedicated to the discovery of low-mass planets orbiting low-mass dwarfs need to focus on the best selected stars to make an efficient use of telescope time. 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| subjects | Binary stars Metallicity Physics - Solar and Stellar Astrophysics Planet detection Polarimeters Radial velocity Red dwarf stars Rotation Solar neighborhood Spectrometers Velocity |
| title | SPIRou Input Catalogue: Global properties of 440 M dwarfs observed with ESPaDOnS at CFHT |
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