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J/ApJ/822/97 Rotation-Activity Correlations in K-M dwarfs. I. (Houdebine+, 2016)

Rotation-activity correlations in K and M dwarfs. I. Stellar parameters and compilations of v.sin(i) and P/sin(i) for a large sample of late-K and M dwarfs. Houdebine E.R., Mullan D.J., Paletou F., Gebran M. <Astrophys. J., 822, 97-97 (2016)> =2016ApJ...822...97H (SIMBAD/NED BibCode)
ADC_Keywords: Stars, M-type ; Effective temperatures ; Abundances ; Spectral types ; Rotational velocities ; Stars, diameters Keywords: stars: fundamental parameters; stars: late-type; stars: rotation Abstract: The reliable determination of rotation-activity correlations (RACs) depends on precise measurements of the following stellar parameters: Teff, parallax, radius, metallicity, and rotational speed vsini. In this paper, our goal is to focus on the determination of these parameters for a sample of K and M dwarfs. In a future paper (PaperII; Houdebine+, 2017, J/ApJ/837/96), we will combine our rotational data with activity data in order to construct RACs. Here, we report on a determination of effective temperatures based on the (R-I)C color from the calibrations of Mann+ (2015, J/ApJ/804/64) and Kenyon & Hartmann (1995, J/ApJS/101/117) for four samples of late-K, dM2, dM3, and dM4 stars. We also determine stellar parameters (Teff, log(g), and [M/H]) using the principal component analysis-based inversion technique for a sample of 105 late-K dwarfs. We compile all effective temperatures from the literature for this sample. We determine empirical radius-[M/H] correlations in our stellar samples. This allows us to propose new effective temperatures, stellar radii, and metallicities for a large sample of 612 late-K and M dwarfs. Our mean radii agree well with those of Boyajian+ (2012, J/ApJ/757/112). We analyze HARPS and SOPHIE spectra of 105 late-K dwarfs, and we have detected vsini in 92 stars. In combination with our previous vsini measurements in M and K dwarfs, we now derive P/sini measures for a sample of 418 K and M dwarfs. We investigate the distributions of P/sini, and we show that they are different from one spectral subtype to another at a 99.9% confidence level. Description: We selected a sample of 419 late-K dwarfs on the basis of (R-I) measurements available in the literature. Searching through databases at the European Southern Observatory (ESO) and Observatoire de Haute Provence (OHP), we identified spectra of 112 different stars that are suitable for our purposes. The spectra that we use to determine vsini came from two different echelle spectrographs: HARPS (High Accuracy Radial velocity Planet Search, ESO; R=115000) and SOPHIE (OHP; R=75000). File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file table1.dat 114 148 Stellar parameters for our sample of late-K dwarfs and computed [M/H] values derived from the [M/H]-radius correlation table2.dat 34 97 Inverted stellar parameters Teff, logg, [Fe/H], and vsini for HARPS and SOPHIE objects using our atlas-based PCA method table3.dat 127 108 Stellar parameters and the values of vsini from Houdebine, 2010, J/MNRAS/407/1657 for our dM2 stars table4.dat 127 166 Stellar parameters and the values of vsini from Houdebine+ (2015ApJ...801..106H) and [M/H] compiled from the literature for our targets in our list of dM3 stars table5.dat 127 182 Stellar parameters and the values of vsini and [M/H] compiled from the literature for our targets in our list of dM4 stars table7.dat 117 145 Values of vsini we derived for the stars in our late-K stellar sample
See also: V/58 : [Fe/H], Vel, Orbits of F2-K5 Dwarfs 80pc from Sun (Marsakov+ 1988) III/231 : The Tycho-2 Spectral Type Catalog (Wright+, 2003) V/136 : Teff and metallicities for Tycho-2 stars (Ammons+, 2006) V/130 : Geneva-Copenhagen Survey of Solar neighbourhood III (Holmberg+, 2009) V/137 : Extended Hipparcos Compilation (XHIP) (Anderson+, 2012) III/272 : RAVE 4th data release (Kordopatis+, 2013) J/AJ/105/1962 : K and M stars photometry (Weis, 1993) J/ApJS/101/117 : UBVRIJHKLMNQ photometry in Taurus-Auriga (Kenyon+ 1995) J/A+AS/117/227 : Dwarf effective temperatures (Alonso+ 1996) J/A+A/331/581 : Rotation and activity in field M dwarfs (Delfosse+ 1998) J/A+A/397/147 : Activity-rotation relationship in stars (Pizzolato+ 2003) J/ApJS/151/387 : Near-IR spectral library of late-type stars (Ivanov+, 2004) J/ApJS/159/141 : Spectroscopic properties of cool stars. I. (Valenti+, 2005) J/A+A/450/735 : Effective temperatures and radii of stars (Masana+, 2006) J/A+A/458/873 : Stellar param. of metal-rich solar-type stars (Sousa+, 2006) J/MNRAS/374/664 : Stellar atmospheric param. in MILES library (Cenarro+, 2007) J/ApJ/687/1264 : Age estimation for solar-type dwarfs (Mamajek+, 2008) J/A+A/489/923 : Abundances of stars in lower main sequence (Mishenina+, 2008) J/A+A/478/507 : Distances & atmospheric param. of MSU stars (Morales+, 2008) J/AJ/135/785 : SDSS-DR5 low-mass star spectroscopic sample (West+, 2008) J/ApJ/704/975 : Rotational velocities for M dwarfs (Jenkins+, 2009) J/A+A/493/1099 : CaII HK emission in rapidly rotating stars (Schroeder+, 2009) J/MNRAS/407/1657 : Rotation velocities of dwarf M stars (Houdebine, 2010) J/A+A/520/A79 : FGK stars chromospheric activity (Martinez-Arnaiz+, 2010) J/A+A/530/A138 : Geneva-Copenhagen survey re-analysis (Casagrande+, 2011) J/MNRAS/416/2233 : Rotation velocity of dwarfs K5 stars (Houdebine, 2011) J/A+A/531/A165 : MILES atmospheric parameters (Prugniel+, 2011) J/A+A/525/A71 : Atmospheric parameters for 1273 stars (Wu+, 2011) J/ApJ/757/112 : Stellar diameters. II. K and M-stars (Boyajian+, 2012) J/MNRAS/421/3189 : CaII and Hα data for dK5/dM4 stars (Houdebine, 2012) J/ApJ/748/93 : K-band spectra for 133 nearby M dwarfs (Rojas-Ayala+, 2012) J/AJ/145/52 : Abundances of late K & M dwarfs in bin. systems (Mann+, 2013) J/A+A/557/L10 : Rotation periods of 12000 Kepler stars (Nielsen+, 2013) J/A+A/551/L8 : Chromospheric activity of field stars (Pace, 2013) J/MNRAS/443/2561 : CONCH-SHELL catalog of nearby M dwarfs (Gaidos+, 2014) J/AJ/147/20 : Spectroscopy of 447 nearby M dwarfs (Newton+, 2014) J/ApJ/804/64 : Empirical and model parameters of 183 M dwarfs (Mann+, 2015) J/A+A/573/A67 : Fundamental stellar parameters from PolarBase (Paletou+, 2015) J/ApJ/812/3 : MEarth M dwarfs rotation & kinematics (West+, 2015) J/ApJ/837/96 : RACs in K-M dwarfs. Paper II. (Houdebine+, 2017) Byte-by-byte Description of file: table1.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Star Star name 13- 18 F6.3 mag Vmag [7.4/13] V-band magnitude 20- 24 F5.3 mag Col [0.6/1.4] (R-I)c or (B-V) color index (1) 26- 29 I4 K Teff [3780/4510] Effective temperature 31- 33 I3 K e_Teff [100/100] Teff uncertainty 35- 38 I4 K Teffc [3700/4514] Teff±σ 40- 42 I3 K e_Teffc [3/314] Teffc uncertainty 44- 51 A8 --- SpT Spectral type 53- 58 F6.2 mas Plx [17.6/286]? Hipparcos parallax 60- 64 F5.2 mas e_Plx [0.2/30]? plx uncertainty 66- 70 F5.2 pc Dist [3.5/56.6]? Distance 72- 77 F6.3 mag VMag [6.8/12.6]? V-band absolute magnitude 79- 83 F5.3 mag e_VMag [0.01/0.9]? VMag uncertainty 85- 89 F5.3 Rsun R* [0.09/1.1]? Stellar radius 91- 95 F5.3 Rsun e_R* [0.01/0.3]? R* uncertainty 97-101 F5.3 Rsun R*c [0.1/1.1]? Radius corrected for Teff effects 103-107 F5.2 [Sun] [M/H] [-1.5/0.8]? Metallicity 109-114 F6.3 [Sun] [M/H]c [-2.7/-0.002]? [M/H] computed from the [M/H]-radius relationship
Note (1): The values of (R-I)C for our samples of stars were taken from the following papers: Veeder (1974AJ.....79.1056V), Eggen (1974PASP...86..697E, 1976ApJS...30..351E, 1976ApJ...204..101E, 1978ApJS...37..251E, 1979ApJS...39...89E, 1980ApJS...43..457E, 1987AJ.....93..379E), Rodgers & Eggen (1974PASP...86..742R), Weis & Upgren (1982PASP...94..821W), Upgren & Lu (1986AJ.....92..903U), Booth+ (1988PASP..100..749B), Leggett & Hawkins (1988MNRAS.234.1065L), Bessel (1990A&AS...83..357B), Weis (1991AJ....101.1882W, 1991AJ....102.1795W, 1993, J/AJ/105/1962), Dawson & Forbes (1992AJ....103.2063D), and Leggett (1992ApJS...82..351L).
Byte-by-byte Description of file: table2.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Star Star name (G1) 13- 14 A2 --- l_Teff [≤] Limit flag on Teff 16- 19 I4 K Teff [3500/4560] Effective temperature 21- 23 F3.1 [cm/s2] logg [4.5/5] Log of surface gravity 25- 29 F5.2 [Sun] [Fe/H] [-1.1/-0.06] Metallicity 31- 34 F4.1 km/s vsini [1/12.7] Rotational speed
Byte-by-byte Description of file: table[345].dat
Bytes Format Units Label Explanations
1- 11 A11 --- Star Star name 13- 18 F6.3 mag Vmag [7.3/15.8] V-band magnitude 20- 24 F5.3 mag (R-I)c [1/1.8]? (R-I)C color index 26- 29 I4 K Teff [3148/3741] Effective temperature 31- 33 I3 K e_Teff [100] Teff uncertainty 35- 41 A7 --- SpT Spectral type 43- 49 F7.3 mas Plx [18/549]? Hipparcos parallax 51- 55 F5.2 mas e_Plx [0.1/40]? Plx uncertainty 57- 62 F6.3 mag VMag [8.5/14.3]? Absolute V-band magnitude 64- 69 F6.4 mag e_VMag [0.008/1]? VMag uncertainty 71- 75 F5.3 Rsun R* [0.08/1.4]? Stellar radius 76 A1 --- u_R* Uncertainty flag on R* (only for table 5) 78- 82 F5.3 Rsun e_R* [0.01/0.7]? R* uncertainty 84 A1 --- l_vsini Limit flag on vsini 86- 90 F5.2 km/s vsini [0.4/80]? Rotational speed 92 A1 --- l_P/sini Limit flag on P/sini 94- 99 F6.3 d P/sini [0.2/66]? Projected rotational period 101-105 F5.2 d e_P/sini [0.05/29]? P/sini negative uncertainty 107-112 F6.2 d E_P/sini [0.05/330]? P/sini positive uncertainty 113 A1 --- fEP/sini [i:] i=infinite ; :=uncertainty flag on P/sini 115-120 F6.3 [Sun] [M/H] [-1.8/1.3]? Metallicity from litterature (not for table 3) 122-127 F6.3 [Sun] [M/H]c [-1.8/0.5]? Metallicity (1)
Note (1): [M/H] derived from the [M/H]-radius correlation (Houdebine, 2012MNRAS.421.3180H).
Byte-by-byte Description of file: table7.dat
Bytes Format Units Label Explanations
1- 11 A11 --- Star Star name (G1) 13- 19 F7.5 0.1nm HFWHM [0.09/0.3]? HARPS FWHM; in Angstroms unit 21- 26 F6.4 0.1nm e_HFWHM [0.001/0.004]? HFWHM 3σ uncertainty 28- 33 F6.4 0.1nm SFWHM [0.1/0.3]? SOPHIE FWHM; in Angstroms unit 35- 40 F6.4 0.1nm e_SFWHM [0.003/0.004]? SFWHM 3σ uncertainty 42- 48 F7.2 km/s RV [-83.5/245]? Radial velocity 50 A1 --- l_Hvsini Limit flag on Hvsini 52- 55 F4.2 km/s Hvsini ? HARPS rotational speed 56 A1 --- u_Hvsini Uncertainty flag on Hvsini 58- 61 F4.2 km/s e_Hvsini [0.1/0.7]? Negative 3σ uncertainty on Hvsini 63- 66 F4.2 km/s E_Hvsini [0.1/0.5]? Positive 3σ uncertainty on Hvsini 68 A1 --- l_Svsini Limit flag on Svsini 70- 73 F4.2 km/s Svsini ? SOPHIE rotational speed 74 A1 --- u_Svsini Uncertainty flag on Svsini 76- 79 F4.2 km/s e_Svsini [0.2/1.1]? Negative 3σ uncertainty on Svsini 81- 84 F4.2 km/s E_Svsini [0.2/0.5]? Positive 3σ uncertainty on Svsini 86- 90 F5.2 km/s vsini1 [0/40]? Other value of vsini 92- 96 F5.2 km/s vsini2 [2/10.8]? Second other value of vsini 98 A1 --- l_P/sini Limit flag on P/sini 100-104 F5.2 d P/sini ? Projected rotational period 105 A1 --- f_P/sini a=Rutten (1987, J/A+A/177/131) ; := uncertainty flag on P/sini 107-111 F5.2 d E_P/sini [0.2/74]? Positive 3σ uncertainty on P/sini 113-117 F5.2 d e_P/sini [0.2/24]? Negative 3σ uncertainty on P/sini
Global notes: Note (G1): Gl 895.5 is very likely a misprint for Gl 895.3; corrected by CDS.
History: From electronic version of the journal References: Houdebine & Mullan. 2015ApJ...801..106H Houdebine et al. Paper I. 2016ApJ...822...97H This catalog Houdebine et al. Paper II. 2017ApJ...837...96H Cat. J/ApJ/837/96
(End) Emmanuelle Perret [CDS] 18-Oct-2017
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