J/A+A/522/A79 Faint, high-Galactic-latitude red clump stars (Valentini+, 2010)
A spectroscopic survey of faint, high-galactic-latitude red clump stars.
I. The high resolution sample.
Valentini M., Munari U.
<Astron. Astrophys., 522, A79-79 (2010)>
=2010A&A...522A..79V 2010A&A...522A..79V
ADC_Keywords: Stars, nearby ; Stars, late-type ; Radial velocities ;
Effective temperatures ; Spectroscopy
Keywords: kinematics and dynamics - Galaxy: structure - solar neighborhood
Abstract:
With this survey we aim to derive accurate, multi-epoch radial
velocities and atmospheric parameters (Teff, logg, [M/H] and
Vrotsini) of a large sample of carefully selected red clump (RC)
stars located over a great circle at high Galactic latitudes.
We acquired data of the program stars of high signal-to-noise ratio
and high resolution with the Asiago Echelle spectrograph. We obtained
radial velocities by applying cross-correlation and atmospheric
parameters via chi2 fitting to a synthetic spectral library. Extensive
tests were carried out by re-observing with the same instrument a
large number of standard stars taken from a variety of sources in
literature.
Description:
File arcs_a.dat contains name, available photometric data, additional
spectroscopic and calculated parameters of observed 207 red clump stars,
66 observed also in a second epoch.
File arcs_b.dat contains the same data for 70 brighter red clump stars,
observed for calibration purposes, 35 observed in a second epoch.
File arcs_c.dat contains the same data for 55 test and calibration stars
taken from literature.
File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
arcs_a.dat 405 273 Parameters of 207 faint red clump stars
arcs_b.dat 403 103 Parameters of 70 brighter red clump stars
arcs_c.dat 406 55 Parameters of 55 test stars
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See also:
J/A+A/527/A40 : Faint, high-Galactic-latitude red clump stars (Saguner+, 2011)
Byte-by-byte Description of file: arcs_a.dat arcs_b.dat arcs_c.dat
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Bytes Format Units Label Explanations
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1- 6 I6 --- HD ? HD number
9- 14 I6 --- HIP ? HIP (Cat. I/239) number
17- 21 I5 --- TYC1 TYCHO-2 1st identifier (Cat. I/239)
23- 27 I5 --- TYC2 TYCHO-2 2nd identifier (Cat. I/239)
29 I1 --- TYC3 TYCHO-2 3rd identifier (Cat. I/239)
31- 41 A11 --- SpType MK spectral type from Michigan catalog (1)
43- 54 F12.8 deg RAdeg Right ascension in decimal degrees (J2000)
56- 67 F12.8 deg DEdeg Declination in decimal degrees (J2000)
69- 76 F8.4 deg Glon Galactic longitude
78- 85 F8.4 deg Glat Galactic latitude
87- 92 F6.4 mag Hpmag ? Hipparcos Hp magnitude
94- 99 F6.4 mag e_Hpmag ? Error on Hpmag
101-104 F4.2 mag V-I ? Cousins V-I from Hipparcos catalog
106-109 F4.2 mag e_V-I ? Error on V-I
111-117 F7.2 mas plx1 ? Hipparcos (ESA 1997, I/239) parallax
119-124 F6.2 mas e_plx1 ? Error on plx1
126-130 I5 pc dmax ? Maximum distance from Hipparcos
(ESA 1997, I/239) parallax
132-136 I5 pc dmin ? Minimum distance from Hipparcos
(ESA 1997, I/239) parallax
138-144 F7.2 mas plx2 ? Revised Hipparcos (van Leeuwen 2007, I/311)
parallax
146-151 F6.2 mas e_plx2 ? Error on plx2
153-158 I6 pc dmax2 ? Distance from revised Hipparcos parallax
160-165 I6 pc dmin2 ? Distance from revised Hipparcos parallax
166 A1 --- n_dmin2 [AED]
167-172 F6.3 mag BTmag Tycho BT magnitude
174-178 F5.3 mag e_BTmag Error on Tycho BT magnitude
180-185 F6.3 mag VTmag Tycho VT magnitude
187-191 F5.3 mag e_VTmag Error on Tycho VT magnitude
193-198 F6.1 mas/yr pmRA ? Tycho-2 (I/259) RA proper motion
200-203 F4.1 mas/yr e_pmRA ? Error on Tycho-2 RA proper motion
205-210 F6.1 mas/yr pmDE ? Tycho-2 (I/259) DE proper motion
212-215 F4.1 mas/yr e_pmDE ? Error on Tycho-2 DE proper motion
217-222 F6.3 mag Jmag 2MASS J magnitude
224-228 F5.3 mag e_Jmag Error on 2MASS J magnitude
230-235 F6.3 mag Hmag 2MASS H magnitude
237-241 F5.3 mag e_Hmag Error on 2MASS H magnitude
243-248 F6.3 mag Kmag 2MASS K magnitude
250-254 F5.3 mag e_Kmag Error on 2MASS K magnitude
256-258 A3 --- q2M 2MASS quality index
260-265 F6.3 mag Imag ? DENIS I magnitude
267-270 F4.2 mag e_Imag ? Error on IDENIS
272-274 I3 --- q_Imag ? DENIS quality index
276-286 F11.3 --- HJD Heliocentric Julian date of Observation
288-293 F6.1 km/s HRV Heliocentric radial velocity
295-297 F3.1 km/s e_HRV Error on heliocentric radial velocity
299-302 F4.2 km/s TCor Radial velocity of telluric absorption
spectrum
304-307 I4 K Teff Effective temperature
309-310 I2 K e_Teff Error on effective temperature
312-315 F4.2 [cm/s2] logg Surface gravity
317-320 F4.2 [cm/s2] e_logg Error on surface gravity
322-326 F5.2 [Sun] [M/H] Metallicity
328-331 F4.2 [Sun] e_[M/H] Error on metallicity
333-337 F5.1 km/s Vrot ? Rotational velocity, Vrot*sini
339-342 F4.1 km/s e_Vrot ? Error on Vrot*sini
344-348 I5 pc d ? Spectro-photometric distance
350-352 I3 pc e_d ? Error on spectro-photometric distance
354-362 F9.7 mag E(B-V) Reddening from Arenou et al.
(1992A&A...258..104A 1992A&A...258..104A)
364-368 I5 pc X ? Galactic X coordinate
370-374 I5 pc Y ? Galactic Y coordinate
376-380 I5 pc Z ? Galactic Z coordinate
382-386 I5 km/s Uvel ? U velocity
388-392 I5 km/s Vvel ? V velocity
394-398 I5 km/s Wvel ? W velocity
400-406 A7 --- Com Comments (2)
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Note (1): Houk et al. 1975-1999, see Catalogs
III/31, III/51, III/80, III/133, III/214
Note (2): Comments as follows:
B = binary candidate
lcII = luminosity class II
Praes = in Praesepe cluster
Coma = in Coma cluster
Ta08 = in Takeda et al. (2008PASJ...60..781T 2008PASJ...60..781T)
HM07 = in Hekker & Melendez (2007, Cat. J/A+A/475/1003)
So05 = in Soubiran et al. (2005, Cat. J/A+A/43/8139)
RaveDR2 = from Rave DR2
Lit = from literature
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Acknowledgements:
Marica Valentini, Valentini(at)astro.ulg.ac.be
(End) Patricia Vannier [CDS] 09-Aug-2011