2004A&A...425..683B


C.D.S. - SIMBAD4 rel 1.7 - 2019.11.17CET07:04:14

2004A&A...425..683B - Astronomy and Astrophysics, volume 425, 683-695 (2004/10-2)

Abundance analysis of targets for the COROT/MONS asteroseismology missions. II. Abundance analysis of the COROT main targets.

BRUNTT H., BIKMAEV I.F., CATALA C., SOLANO E., GILLON M., MAGAIN P., VAN'T VEER-MENNERET C., STUETZ C., WEISS W.W., BALLEREAU D., BOURET J.-C., CHARPINET S., HUA T., KATZ D., LIGNIERES F. and LUEFTINGER T.

Abstract (from CDS):

One of the goals of the ground-based support program for the corot and mons/romer satellite missions is to characterize suitable target stars for the part of the missions dedicated to asteroseismology. We present the detailed abundance analysis of nine of the potential corot main targets using the semi-automatic software vwa. For two additional corot targets we could not perform the analysis due to the high rotational velocity of these stars. For five stars with low rotational velocity we have also performed abundance analysis by a classical equivalent width method in order to test the reliability of the vwa software. The agreement between the different methods is good. We find that it is necessary to measure abundances extracted from each line relative to the abundances found from a spectrum of the Sun in order to remove systematic errors. We have constrained the global atmospheric parameters Teff, logg, and [Fe/H] to within 70-100K, 0.1-0.2dex, and 0.1dex for five stars which are slow rotators (vsin i< 15 km/s). For most of the stars we find good agreement with the parameters found from line depth ratios, Hα lines, Stroemgren indices, previous spectroscopic studies, and also logg determined from the hipparcos parallaxes. For the fast rotators (vsini>60km/s) it is not possible to constrain the atmospheric parameters.

Abstract Copyright:

Journal keyword(s): stars: abundances - stars: fundamental parameters

Simbad objects: 11

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Number of rows : 11

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2020
#notes
1 HD 43318 PM* 06 15 34.2651080690 -00 30 43.872371701   6.15 5.65     F5V 161 0
2 HD 43587 SB* 06 17 16.1298959119 +05 05 59.915616770 6.400 6.290   5.3   G0V 207 0
3 HD 45067 PM* 06 25 16.5464141963 -00 56 45.178168018   6.43 5.90     F9V 172 0
4 HD 46304 * 06 32 23.1291033923 -05 52 07.740183443   5.846 5.598     A8VAm: 38 0
5 HD 49434 gD* 06 48 19.0657567870 -01 19 08.128922715   6.015 5.731     F0V+ 83 0
6 HD 49933 ** 06 50 49.831 -00 32 27.18           F3V 321 1
7 * 21 Mon dS* 07 11 23.6157510224 -00 18 06.943326826   5.715 5.428     F2IV 102 0
8 HD 57006 PM* 07 19 47.6450474482 +07 08 34.614327767   6.429 5.910     F8IV 76 0
9 HD 171834 gD* 18 36 39.0752784827 +06 40 18.496466779   5.786 5.425     F3V 99 0
10 HD 174866 ** 18 53 01.8098999393 -09 34 31.882236990   6.524 6.321     A4V 36 0
11 HD 184663 PM* 19 35 25.1324056024 +02 54 48.985585455   6.770 6.368     F5V 60 0

    Equat.    Gal    SGal    Ecl

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2019.11.17-07:04:14

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