M Dwarf catalog of LAMOST general survey data release one
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摘要
We present a spectroscopic catalog of 93 619 M dwarfs from the first data release of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST)general survey. During sample selection, M giant contamination was eliminated using2 MASS photometry and Ca H/TiO molecular indices. For each spectrum, the spectral subtype and values are provided including radial velocity, Hα equivalent width, a series of prominent molecular band indices, and the metal–sensitive parameter ζ, as well as distances and the space motions for high S/N objects. In addition, Hα emission lines are measured to examine the magnetic activity properties of M dwarfs and 7179 active ones are found. In particular, a subsample with significant variation in magnetic activity is revealed through observations from different epochs. Finally, statistical analysis for this sample is performed, including the metallicity classification, the distribution of molecular band indices and their errors.
We present a spectroscopic catalog of 93 619 M dwarfs from the first data release of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST)general survey. During sample selection, M giant contamination was eliminated using2 MASS photometry and Ca H/TiO molecular indices. For each spectrum, the spectral subtype and values are provided including radial velocity, Hα equivalent width, a series of prominent molecular band indices, and the metal–sensitive parameter ζ, as well as distances and the space motions for high S/N objects. In addition, Hα emission lines are measured to examine the magnetic activity properties of M dwarfs and 7179 active ones are found. In particular, a subsample with significant variation in magnetic activity is revealed through observations from different epochs. Finally, statistical analysis for this sample is performed, including the metallicity classification, the distribution of molecular band indices and their errors.
We present a spectroscopic catalog of 93 619 M dwarfs from the first data release of the Large Sky Area Multi-Object Fiber Spectroscopic Telescope(LAMOST)general survey. During sample selection, M giant contamination was eliminated using2 MASS photometry and Ca H/TiO molecular indices. For each spectrum, the spectral subtype and values are provided including radial velocity, Hα equivalent width, a series of prominent molecular band indices, and the metal–sensitive parameter ζ, as well as distances and the space motions for high S/N objects. In addition, Hα emission lines are measured to examine the magnetic activity properties of M dwarfs and 7179 active ones are found. In particular, a subsample with significant variation in magnetic activity is revealed through observations from different epochs. Finally, statistical analysis for this sample is performed, including the metallicity classification, the distribution of molecular band indices and their errors.
引文
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West,A.A.,Walkowicz,L.M.,&Hawley,S.L.2005,PASP,117,706
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Woolf,V.M.,&Wallerstein,G.2006,PASP,118,218
Woolf,V.M.,&West,A.A.2012,MNRAS,422,1489
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Yi,Z.,Luo,A.,Song,Y.,et al.2014,AJ,147,33
Yi,Z.-P.,Luo,A.-L.,Zhao,J.-K.,et al.2015,RAA(Research in Astronomy and Astrophysics),15,860
Zhao,G.,Zhao,Y.-H.,Chu,Y.-Q.,Jing,Y.-P.,&Deng,L.-C.2012,RAA(Research in Astronomy andAstrophysics),12,723
Apps,K.,Clubb,K.I.,Fischer,D.A.,et al.2010,PASP,122,156
Bean,J.L.,Seifahrt,A.,Hartman,H.,et al.2010,ApJ,713,410
Bessell,M.S.,&Brett,J.M.1988,PASP,100,1134
Bochanski,J.J.,Hawley,S.L.,Reid,I.N.,et al.2005,AJ,130,1871
Bochanski,J.J.,Munn,J.A.,Hawley,S.L.,et al.2007,AJ,134,2418
Bochanski,J.J.,Hawley,S.L.,Covey,K.R.,et al.2010,AJ,139,2679
Bochanski,J.J.,Hawley,S.L.,Covey,K.R.,et al.2013,Astronomische Nachrichten,334,44
Bochanski,J.J.,Willman,B.,West,A.A.,Strader,J.,&Chomiuk,L.2014,AJ,147,76
Charbonneau,D.,Berta,Z.K.,Irwin,J.,et al.2009,Nature,462,891
Covey,K.R.,Ivezic′,Zˇ.,Schlegel,D.,et al.2007,AJ,134,2398
Covey,K.R.,Hawley,S.L.,Bochanski,J.J.,et al.2008,AJ,136,1778
Cui,X.-Q.,Zhao,Y.-H.,Chu,Y.-Q.,et al.2012,RAA(Research in Astronomy and Astrophysics),12,1197
Cushing,M.C.,Rayner,J.T.,&Vacca,W.D.2005,ApJ,623,1115
Dhital,S.,West,A.A.,Stassun,K.G.,et al.2012,AJ,143,67
Fischer,D.A.,Gaidos,E.,Howard,A.W.,et al.2012,ApJ,745,21
Fuchs,B.,Dettbarn,C.,Rix,H.-W.,et al.2009,AJ,137,4149
Gizis,J.E.1997,AJ,113,806
Gizis,J.E.,Monet,D.G.,Reid,I.N.,et al.2000,AJ,120,1085
Gizis,J.E.,Reid,I.N.,&Hawley,S.L.2002,AJ,123,3356
Gray,R.O.,&Corbally,J.C.2009,Stellar Spectral Classification(Princeton:Princeton Univ.Press)
Guo,Y.,Luo,A.,Wang,F.,Bai,Z.,&Li,J.2012,in Society of Photo-Optical Instrumentation Engineers(SPIE)Conference Series,8451,2
Hawley,S.L.,Gizis,J.E.,&Reid,I.N.1996,AJ,112,2799
Hawley,S.L.,Covey,K.R.,Knapp,G.R.,et al.2002,AJ,123,3409
Hilton,E.J.,West,A.A.,Hawley,S.L.,&Kowalski,A.F.2010,AJ,140,1402
Jones,E.M.1972,ApJ,173,671
Joy,A.H.,&Abt,H.A.1974,ApJ S,28,1
Juric′,M.,Ivezic′,Zˇ.,Brooks,A.,et al.2008,ApJ,673,864
Kerber,L.O.,Javiel,S.C.,&Santiago,B.X.2001,A&A,365,424
Kirkpatrick,J.D.,Henry,T.J.,&McC arthy,Jr.,D.W.1991,ApJ S,77,417
Kirkpatrick,J.D.,Reid,I.N.,Liebert,J.,et al.1999,ApJ,519,802
Kowalski,A.F.,Hawley,S.L.,Hilton,E.J.,et al.2009,AJ,138,633
Kruse,E.A.,Berger,E.,Knapp,G.R.,et al.2010,ApJ,722,1352
Laughlin,G.,Bodenheimer,P.,&Adams,F.C.1997,ApJ,482,420
Lépine,S.,Rich,R.M.,&Shara,M.M.2003,AJ,125,1598
Lépine,S.,Rich,R.M.,&Shara,M.M.2007,ApJ,669,1235
Lépine,S.,&Gaidos,E.2011,AJ,142,138
Lépine,S.,Hilton,E.J.,Mann,A.W.,et al.2013,AJ,145,102
Liu,X.W.,Zhao,G.,&Hou,J.L.2015,RAA(Research in Astronomy and Astrophysics),15,1089
Luo,A.-L.,Zhang,Y.-X.,&Zhao,Y.-H.2004,in Society of Photo-Optical Instrumentation Engineers(SPIE)Conference Series,5496,Advanced Software,Control,and Communication Systems for Astronomy,eds.H.Lewis,&G.Raffi,756
Luo,A.-L.,Zhang,H.-T.,Zhao,Y.-H.,et al.2012,RAA(Research in Astronomy and Astrophysics),12,1243
Luo,A.-L.,Zhao,Y.-H.,Zhao,G.,et al.2015,RAA(Research in Astronomy and Astrophysics),15,1095
Mann,A.W.,Gaidos,E.,&Aldering,G.2011,PASP,123,1273
Mart′?n,E.L.1999,MNRAS,302,59
Phan-Bao,N.,Crifo,F.,Delfosse,X.,et al.2003,A&A,401,959
Reid,I.N.,Hawley,S.L.,&Gizis,J.E.1995a,AJ,110,1838
Reid,N.,Hawley,S.L.,&Mateo,M.1995b,MNRAS,272,828
Reid,I.N.,Gizis,J.E.,Cohen,J.G.,et al.1997,PASP,109,559
Reid,I.N.,&Cruz,K.L.2002,AJ,123,2806
Rocha-Pinto,H.J.,Majewski,S.R.,Skrutskie,M.F.,&Crane,J.D.2003,ApJ,594,L115
Schlieder,J.E.,Lépine,S.,Rice,E.,et al.2012,AJ,143,114
Schmidt,S.J.,West,A.A.,Hawley,S.L.,&Pineda,J.S.2010,AJ,139,1808
Vogt,S.S.,Butler,R.P.,Rivera,E.J.,et al.2010,ApJ,723,954
West,A.A.,Hawley,S.L.,Walkowicz,L.M.,et al.2004,AJ,128,426
West,A.A.,Walkowicz,L.M.,&Hawley,S.L.2005,PASP,117,706
West,A.A.,&Hawley,S.L.2008,PASP,120,1161
West,A.A.,Hawley,S.L.,Bochanski,J.J.,et al.2008,AJ,135,785
West,A.A.,Morgan,D.P.,Bochanski,J.J.,et al.2011,AJ,141,97
Woolf,V.M.,&Wallerstein,G.2006,PASP,118,218
Woolf,V.M.,&West,A.A.2012,MNRAS,422,1489
Wu,Y.,Luo,A.-L.,Li,H.-N.,et al.2011,RAA(Research in Astronomy and Astrophysics),11,924
Yi,Z.,Luo,A.,Song,Y.,et al.2014,AJ,147,33
Yi,Z.-P.,Luo,A.-L.,Zhao,J.-K.,et al.2015,RAA(Research in Astronomy and Astrophysics),15,860
Zhao,G.,Zhao,Y.-H.,Chu,Y.-Q.,Jing,Y.-P.,&Deng,L.-C.2012,RAA(Research in Astronomy andAstrophysics),12,723