STROMGREN SURVEY FOR ASTEROSEISMOLOGY AND GALACTIC ARCHAEOLOGY: LET THE SAGA BEGIN
文献类型：期刊论文
| 作者 | Casagrande, L.1; Aguirre, V. Silva2; Stello, D.3; Huber, D.4,5; Serenelli, A. M.6; Cassisi, S.7; Dotter, A.1; Milone, A. P.1; Hodgkin, S.8; Marino, A. F.1 |
| 刊名 | ASTROPHYSICAL JOURNAL
 |
| 出版日期 | 2014-06-01 |
| 卷号 | 787期号:2 |
| 关键词 | Galaxy: stellar content stars: abundances stars: distances stars: fundamental parameters stars: oscillations surveys techniques: photometric |
| 英文摘要 | Asteroseismology has the capability of precisely determining stellar properties that would otherwise be inaccessible, such as radii, masses, and thus ages of stars. When coupling this information with classical determinations of stellar parameters, such as metallicities, effective temperatures, and angular diameters, powerful new diagnostics for Galactic studies can be obtained. The ongoing Stromgren survey for Asteroseismology and Galactic Archaeology has the goal of transforming the Kepler field into a new benchmark for Galactic studies, similar to the solar neighborhood. Here we present the first results from a stripe centered at a Galactic longitude of 74 degrees and covering latitude from about 8 degrees to 20 degrees, which includes almost 1000 K giants with seismic information and the benchmark open cluster NGC 6819. We describe the coupling of classical and seismic parameters, the accuracy as well as the caveats of the derived effective temperatures, metallicities, distances, surface gravities, masses, and radii. Confidence in the achieved precision is corroborated by the detection of the first and secondary clumps in a population of field stars with a ratio of 2 to 1 and by the negligible scatter in the seismic distances among NGC 6819 member stars. An assessment of the reliability of stellar parameters in the Kepler Input Catalog is also performed, and the impact of our results for population studies in the Milky Way is discussed, along with the importance of an all-sky Stromgren survey. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000336246700015 |
| 源URL | [http://ir.bao.ac.cn/handle/114a11/6527]  |
| 专题 | 国家天文台_光学天文研究部 |
| 作者单位 | 1.Australian Natl Univ, Mt Stromlo Observ, Res Sch Astron & Astrophys, Weston, ACT 2611, Australia 2.Aarhus Univ, Dept Phys & Astron, Stellar Astrophys Ctr, DK-8000 Aarhus C, Denmark 3.Univ Sydney, Sydney Inst Astron SIfA, Sch Phys, Sydney, NSW 2006, Australia 4.NASA, Ames Res Ctr, Moffett Field, CA 94035 USA 5.SETI Inst, Mountain View, CA 94043 USA 6.Inst Space Sci IEEC CSIC, Fac Ciencies, E-08193 Barcelona, Spain 7.INAF Osservatorio Astronomico Collurania, I-64100 Teramo, Italy 8.Inst Astron, Cambridge CB3 0HA, England 9.Lund Observ, Dept Astron & Theoret Phys, Lund, Sweden 10.Swinburne Univ Technol, Ctr Astrophys & Supercomputing, Hawthorn, Vic 3122, Australia |
| 推荐引用方式 GB/T 7714 | Casagrande, L.,Aguirre, V. Silva,Stello, D.,et al. STROMGREN SURVEY FOR ASTEROSEISMOLOGY AND GALACTIC ARCHAEOLOGY: LET THE SAGA BEGIN[J]. ASTROPHYSICAL JOURNAL,2014,787(2). |
| APA | Casagrande, L..,Aguirre, V. Silva.,Stello, D..,Huber, D..,Serenelli, A. M..,...&Wang, W..(2014).STROMGREN SURVEY FOR ASTEROSEISMOLOGY AND GALACTIC ARCHAEOLOGY: LET THE SAGA BEGIN.ASTROPHYSICAL JOURNAL,787(2). |
| MLA | Casagrande, L.,et al."STROMGREN SURVEY FOR ASTEROSEISMOLOGY AND GALACTIC ARCHAEOLOGY: LET THE SAGA BEGIN".ASTROPHYSICAL JOURNAL 787.2(2014). |
入库方式： OAI收割
来源：国家天文台
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