Atmospheric parameters of 169 F-, G-, K- and M-type stars in the Kepler field

被引：81

作者：

Molenda-Zakowicz, J. ^{[1
]}

Sousa, S. G. ^{[2
]}

Frasca, A. ^{[3
]}

Uytterhoeven, K. ^{[4
,5
]}

Briquet, M. ^{[6
,7
]}

Van Winckel, H. ^{[7
]}

Drobek, D. ^{[1
]}

Niemczura, E. ^{[1
]}

Lampens, P. ^{[8
]}

Lykke, J. ^{[9
]}

Bloemen, S. ^{[7
]}

Gameiro, J. F. ^{[2
,10
]}

Jean, C. ^{[7
]}

Volpi, D. ^{[8
]}

Gorlova, N. ^{[7
]}

Mortier, A. ^{[2
,10
]}

Tsantaki, M. ^{[2
,10
]}

Raskin, G. ^{[7
]}

机构：

[1] Uniwersytetu Wroclawskiego, Inst Astron, PL-51622 Wroclaw, Poland

[2] Univ Porto, Ctr Astrofis, P-4150762 Porto, Portugal

[3] Osserv Astrofis Catania, INAF, I-95123 Catania, Italy

[4] Inst Astrofis Canarias, E-38200 Tenerife, Spain

[5] Univ La Laguna, Dept Astrofis, E-28206 Tenerife, Spain

[6] Univ Liege, Inst Astrophys & Geophys, B-4000 Liege, Belgium

[7] Katholieke Univ Leuven, Inst Sterrenkunde, B-3001 Louvain, Belgium

[8] Koninklijke Sterrenwacht Belgie, B-1180 Brussels, Belgium

[9] Nord Opt Telescope, E-38700 Santa Cruz De La Palma, Spain

[10] Univ Porto, Fac Ciencias, Dept Fis & Astron, P-4100 Porto, Portugal

来源：

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | 2013年 / 434卷 / 02期

基金：

欧洲研究理事会;

关键词：

stars: fundamental parameters; open clusters and associations: individual: NGC 6811; open clusters and associations: individual: NGC 6819; SOLAR-TYPE STARS; ALL-SKY SURVEY; SPECTROSCOPIC PARAMETERS; RED GIANTS; VARIABLE-STARS; MAIN-SEQUENCE; OPEN CLUSTERS; PLANET; ASTEROSEISMOLOGY; ABUNDANCES;

D O I：

10.1093/mnras/stt1095

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The asteroseismic and planetary studies, like all research related to stars, need precise and accurate stellar atmospheric parameters as input. We aim at deriving the effective temperature (T-eff), the surface gravity (log g), the metallicity ([Fe/H]), the projected rotational velocity (v sin i) and the MK type for 169 F-, G-, K- and M-type Kepler targets which were observed spectroscopically from the ground with five different instruments. We use two different spectroscopic methods to analyse 189 high-resolution, high-signal-to-noise spectra acquired for the 169 stars. For 67 stars, the spectroscopic atmospheric parameters are derived for the first time. KIC 9693187 and 11179629 are discovered to be double-lined spectroscopic binary systems. The results obtained for those stars for which independent determinations of the atmospheric parameters are available in the literature are used for a comparative analysis. As a result, we show that for solar-type stars the accuracy of present determinations of atmospheric parameters is +/- 150 K in T-eff, +/- 0.15 dex in [Fe/H] and +/- 0.3 dex in log g. Finally, we confirm that the curve-of-growth analysis and the method of spectral synthesis yield systematically different atmospheric parameters when they are applied to stars hotter than 6000 K.

引用

页码：1422 / 1434

页数：13

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