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J/MNRAS/479/1332 Binaries with F, G or K primaries and M dwarfs  (Montes+, 2018)

Calibrating the metallicity of M dwarfs in wide physical binaries with F-, G-, and K- primaries. I: High-resolution spectroscopy with HERMES: stellar parameters, abundances, and kinematics. Montes D., Gonzalez-Peinado R., Tabernero H.M., Caballero J.A., Marfil E., Alonso-Floriano F.J., Cortes-Contreras M., Gonzalez Hernandez J.I., Klutsch A., Moreno-Jodar C. <Mon. Not. R. Astron. Soc. 479, 1332-1382 (2018)> =2018MNRAS.479.1332M (SIMBAD/NED BibCode)
ADC_Keywords: Stars, double and multiple ; Stars, M-type ; Stars, dwarfs Keywords: proper motions - stars: abundances - binaries: visual - stars: fundamental parameters - stars: late-type - stars: solar-type Abstract: We investigated almost 500 stars distributed among 193 binary or multiple systems made of late-F, G-, or early-K primaries and late-K or M dwarf companion candidates. For all of them, we compiled or measured coordinates, J-band magnitudes, spectral types, distances, and proper motions. With these data, we established a sample of 192 physically bound systems. In parallel, we carried out observations with HERMES/Mercator and obtained high-resolution spectra for the 192 primaries and five secondaries. We used these spectra and the automatic STEPAR code for deriving precise stellar atmospheric parameters: Teff, logg, ξ, and chemical abundances for 13 atomic species, including [Fe/H]. After computing Galactocentric space velocities for all the primary stars, we performed a kinematic analysis and classified them in different Galactic populations and stellar kinematic groups of very different ages, which match our own metallicity determinations and isochronal age estimations. In particular, we identified three systems in the halo and 33 systems in the young Local Association, Ursa Major and Castor moving groups, and IC 2391 and Hyades Superclusters. We finally studied the exoplanet-metallicity relation in our 193 primaries and made a list 13 M-dwarf companions with very high metallicity that can be the targets of new dedicated exoplanet surveys. All in all, our dataset will be of great help for future works on the accurate determination of metallicity of M dwarfs. Description: First of all, we collected from the literature 193 binary or multiple system candidates formed by late-F, G-, or early K-type primaries and late-K or M-type secondaries observable from Calar Alto, in Southern Spain (δ>-23{deg). We took high-resolution echelle spectra of 192 primaries and 5 secondaries with HERMES (High Efficiency and Resolution Mercator Echelle Spectrograph) at the 1.2m Mercator Telescope at the Observatorio del Roque de los Muchachos (La Palma, Spain) between January 2010 and December 2017. We also observed many M-dwarf companions with the low-resolution optical spectrograph CAFOS at the 2.2m Calar Alto telescope. File Summary:
FileName Lrecl Records Explanations
ReadMe 80 . This file tableb1.dat 133 489 Basic properties of investigated systems and stars tableb2.dat 140 489 Distances, proper motions, and remarks tableb3.dat 97 198 Stellar atmospheric parameters of late-F, G-, and early-K type stars tableb4.dat 164 198 *Abundances [X/H] with respect to the Sun tableb5.dat 119 198 Kinematics of late-F-, G-, and late-K stars refs.dat 67 34 References
Note on tableb4.dat: for the four α-elements (Mg, Si, Ca and Ti), the Fe-peak elements (Cr, Mn, Co, and Ni), and the odd-Z elements (Na, Al, Sc, and V).
See also: B/wds : The Washington Visual Double Star Catalog (Mason+ 2001-2014) Byte-by-byte Description of file: tableb1.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS designation (HHMMm+DDMM) 12 A1 --- n_WDS [dehlop] Note on WDS (3) 15- 24 A10 --- Comp Component 26 A1 --- n_Comp [g] Note on Comp (3) 28- 37 A10 --- Disc Discoverer name 38 A1 --- n_Disc [ijn] Note on Discover name (3) 40- 47 F8.3 arcsec rho ? Separation 49- 52 F4.2 arcsec e_rho ? rms uncertainty on rho 55- 61 F7.3 deg theta ? Position angle 63- 67 F5.3 deg e_theta ? rms uncertainty on theta 70- 86 A17 --- Name Name (G1) 89 A1 --- n_Name [fkm] Note on Name (3) 91- 92 I2 h RAh Right ascension (J2000) 94- 95 I2 min RAm Right ascension (J2000) 97-100 F4.1 s RAs Right ascension (J2000) 102 A1 --- DE- Declination sign (J2000) 103-104 I2 deg DEd Declination (J2000) 106-107 I2 arcmin DEm Declination (J2000) 109-110 I2 arcsec DEs Declination (J2000) 112-117 F6.3 mag Jmag ?=- 2MASS J magnitude 119-122 F4.2 mag e_Jmag ? rms uncertainty on Jmag 124-130 A7 --- SpType Spectral type 132-133 A2 --- Obs Observation code (2)
Note (2): Observation code as follows: H = HERMES C = CAFOS (Alonso-Floriano et al., 2015, Cat. J/A+A/577/A128) C* = CAFOS, unpublished Note (3): Notes as follows: d = Contrary to Simbad, it is not a spectroscopic binary (Goldin & Makarov, 2007ApJS..173..137G). e = B component, unresolved by us, is GJ 105 C, an M7V at rho=1.7-3.3-arcsec (Golimowski et al., 1995ApJ...444L.101G). f = BD+50 860C in Simbad. g = Equatorial coordinates and, therefore, rho and theta are from raw H-band 2MASS images. h = B component, unresolved by us, is 9 Aur B, an M2V at rho=4.5-6.3arcsec (Krisciunas et al., 1993MNRAS.263..781K). i = Discoverer code not available in WDS. System taken from Salim & Gould (2003, Cat. J/ApJ/582/1011). j = Discoverer code not available in WDS. System taken from Poveda et al. (2009ApJ...706..343P). k = CCDM J08162+5705C in Simbad. l = Pair rejected by proper motions in Caballero (2009A&A...507..251C) (note the wrong WDS identifier in his Table 2), but physical in WDS and this work. m = CCDM J14260+3423C in Simbad. n = Discoverer code not available in WDS. System taken from Valls-Gabaud (1988LAstr.102..493V). o = B and C spectral types are switched in Simbad and literature. p = WDS "D" component, LEP 96, points wrongly to a 2MASS artifact, which leads to considerable confusion in Simbad.
Byte-by-byte Description of file: tableb2.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS designation (HHMMm+DDMM) 14- 30 A17 --- Name Name (G1) 34- 40 F7.2 pc d ?=- Distance 42- 48 F7.3 pc e_d ? rms uncertainty on d 50- 58 A9 --- rd Reference for distance (2) 60- 67 F8.2 mas/yr pmRA ?=- Proper motion along RA (pmRA*cosDE) 69- 73 F5.2 mas/yr e_pmRA ? rms uncertainty on pmRA 76- 83 F8.2 mas/yr pmDE ?=- Proper motion along DE 85- 89 F5.2 mas/yr e_pmDE ? rms uncertainty on pmDE 92-100 A9 --- rpm Reference for proper motions (2) 101-140 A40 --- Rem Remarks
Note (2): References as follows: HIP1 = Perryman et al., 1997, Cat. I/239 HIP2 = vanLeeuwen, 2007, Cat. I/311 Pri14 = Prieur et al., 2014AN....335..817P TGAS = Gaia Colaboration, 2016, Cat. I/337 vAl95 = van Altena et al., 1995, Cat. I/174 Zha13 = Zhang et al., 2013MNRAS.434.1005Z Cab09 = Caballero, 2009A&A...507..251C Fah09 = Faherty et al., 2009, Cat. J/AJ/137/1 HSOY = Altmann et al., 2017, Cat. I/339 Iva08 = Ivanov, 2008, cat. I/306 PPMXL = Roeser et al., 2010, Cat. I/317 TYC = Hogg et al., 2000, Cat. I/259 UCAC4 = Zacharias et al., 2012, Cat. I/322 UCAC5 = Zacharias et al., 2017, Cat. I/340 This work = This work, spectrophotometric distance derived from Cortes-contreras et al. (2017, Cat. J/A+A/597/A47)
Byte-by-byte Description of file: tableb3.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS designation (HHMMm+DDMM) 12- 28 A17 --- Name Name 32- 34 I3 --- SNR ? Signal-to-noise ratio 35- 40 A6 --- n_SNR SNR code (1) 42- 45 I4 K Teff ?=- Effective temperature 47- 49 I3 K e_Teff ? rms uncertainty on Teff 51- 54 F4.2 [cm/s2] logg ?=- Surface gravity 56- 59 F4.2 [cm/s2] e_logg ? rms uncertainty on logg 61- 64 F4.2 km/s xi ?=- Microturbulent velocity 66- 69 F4.2 km/s e_xi ? rms uncertainty on xi 71- 75 F5.2 [-] [Fe/H] ?=- Metallicity 77- 80 F4.2 [-] e_[Fe/H] ? rms uncertainty on [Fe/H] 82- 86 F5.2 [-] [Fe/H]lit ? Metallicity form literature 88- 91 F4.2 [-] e_[Fe/H]lit ? rms uncertainty on [Fe/H]lit 93- 97 A5 --- r_[Fe/H]lit Reference for [Fe/H]lit, in refs.dat file
Note (1): SNR Code as follows: SB2 = Double-line spectroscopic binary Hot = Spectral Type ≤ F4V VCS = Very Contaminated Spectra Noobs. = not observed star Fast = vsini ≥ 10km/s
Byte-by-byte Description of file: tableb4.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS designation (HHMMm+DDMM) 12- 28 A17 --- Name Name (G1) 33- 37 F5.2 [-] [Na/H] ?=- [Na/H] abundance 39- 42 F4.2 [-] e_[Na/H] ?=- rms uncertainty on [Na/H] 44- 48 F5.2 [-] [Mg/H] ?=- [Mg/H] abundance 50- 53 F4.2 [-] e_[Mg/H] ?=- rms uncertainty on [Mg/H] 55- 59 F5.2 [-] [Al/H] ?=- [Al/H] abundance 61- 64 F4.2 [-] e_[Al/H] ?=- rms uncertainty on [Al/H] 66- 70 F5.2 [-] [Si/H] ?=- [Si/H] abundance 72- 75 F4.2 [-] e_[Si/H] ?=- rms uncertainty on [Si/H] 77- 81 F5.2 [-] [Ca/H] ?=- [Ca/H] abundance 83- 86 F4.2 [-] e_[Ca/H] ?=- rms uncertainty on [Ca/H] 88- 92 F5.2 [-] [Sc/H] ?=- [Sc/H] abundance 94- 97 F4.2 [-] e_[Sc/H] ?=- rms uncertainty on [Sc/H] 99-103 F5.2 [-] [Ti/H] ?=- [Ti/H] abundance 105-108 F4.2 [-] e_[Ti/H] ?=- rms uncertainty on [Ti/H] 110-114 F5.2 [-] [V/H] ?=- [V/H] abundance 116-119 F4.2 [-] e_[V/H] ?=- rms uncertainty on [V/H] 121-125 F5.2 [-] [Cr/H] ?=- [Cr/H] abundance 127-130 F4.2 [-] e_[Cr/H] ?=- rms uncertainty on [Cr/H] 132-136 F5.2 [-] [Mn/H] ?=- [Mn/H] abundance 138-141 F4.2 [-] e_[Mn/H] ?=- rms uncertainty on [Mn/H] 143-147 F5.2 [-] [Co/H] ?=- [Co/H] abundance 149-152 F4.2 [-] e_[Co/H] ?=- rms uncertainty on [Co/H] 154-158 F5.2 [-] [Ni/H] ?=- [Ni/H] abundance 160-164 F5.3 [-] e_[Ni/H] ?=- rms uncertainty on [Ni/H]
Byte-by-byte Description of file: tableb5.dat
Bytes Format Units Label Explanations
1- 10 A10 --- WDS WDS designation (HHMMm+DDMM) 12- 28 A17 --- Name Name 31 A1 --- n_Name [a] Note on Name (1) 33- 39 F7.2 km/s RV Radial velocity 41- 44 F4.2 km/s e_RV ? rms uncertainty on RV 46- 52 F7.2 km/s Uvel U velocity 54- 58 F5.2 km/s e_Uvel rms uncertainty on Uvel 60- 66 F7.2 km/s Vvel V velocity 68- 72 F5.2 km/s e_Vvel rms uncertainty on Vvel 75- 81 F7.2 km/s Wvel W velocity 83- 87 F5.2 km/s e_Wvel rms uncertainty on Wvel 90- 93 A4 --- Pop Population (2) 95-100 A6 --- SKG Stellar Kinematic Group (3) 102-108 A7 --- SKGl Stellar Kinematic Group from literature 110-119 A10 --- rSKGl Reference for SKGl (4)
Note (1): Systemic radial velocity of spectroscopic binaries taken from references in Table 2 Note (2): Population code as follows: D = Thin Disc D-TD = Thin/Thick Disc H = Halo TD = Thick Disc Note (3): Stellar Kinematic Group code as follows: x = No young disc YD = Young disc Cas = Castor HS = Hyades SC IC = IC2391 SC LA = Local Association UMac1l = Ursa Major MG C-N = Carina-Near according to BANYAN Σ Field = not associated to any SKG according to BANYAN Σ Note (4): SKG Reference as follows: BANΣ = Gagne et al., 2018ApJ...856...23G Eis13 = Eisenbeiss et al., 2013A&A...556A..53E Fuh04 = Fuhrmann, 2004AN....325....3F Rie17 = Riedel et al., Cat. J/AJ/153/95 Mon01 = Montes et al., 2001, Cat. J/MNRAS/328/45 Tab12 = Tabernero et al., 2012, Cat. J/A+A/547/A13 Tab17 = Tabernero et al., 2017A&A...597A..33T
Byte-by-byte Description of file: refs.dat
Bytes Format Units Label Explanations
1- 5 A5 --- Ref Reference code 7- 25 A19 --- BibCode BibCode 27- 46 A20 --- Aut Author's name 49- 67 A19 --- Com Comments
Global notes: Note (G1): Stars with Name Jhhmmss+ddmmss are 2MASS stars (Skrutskie et al., 2006, Cat. II/246).
Acknowledgements: David Montes, dmontes(at)ucm.es
(End) Patricia Vannier [CDS] 28-May-2018
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