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题名:
The white dwarf binary pathways survey - II. Radial velocities of 1453 FGK stars with white dwarf companions from LAMOST DR4
作者: Rebassa-Mansergas, A.1,2; Ren, J. J.3; Irawati, P.4; Garcia-Berro, E.1,2; Parsons, S. G.5; Schreiber, M. R.6; Gansicke, B. T.7; Rodriguez-Gil, P.8,9; Liu, X.10; Manser, C.7; Nevado, S. P.8,9; Jimenez-Ibarra, F.8,9; Costero, R.11; Echevarria, J.11; Michel, R.12; Zorotovic, M.6; Hollands, M.7; Han ZW(韩占文)13; Luo, A.3; Villaver, E.14; Kong, X.3
刊名: MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
出版日期: 2017-12-01
卷号: 472, 期号:4, 页码:4193-4203
DOI: 10.1093/mnras/stx2259
学科分类: 天文学
产权排序: 第13完成单位
收录类别: SCI
通讯作者: Rebassa-Mansergas, A.(Univ Politecn Cataluna, Dept Fis, C Esteve Terrades 5, E-08860 Castelldefels, Spain)
关键词: stars: low-mass ; white dwarfs ; binaries (including multiple): close
英文摘要: We present the second paper of a series of publications aiming at obtaining a better understanding regarding the nature of type Ia supernovae (SN Ia) progenitors by studying a large sample of detached F, G and K main-sequence stars in close orbits with white dwarf companions (i.e. WD+FGK binaries). We employ the Large Sky Area Multi-Object Fibre Spectroscopic Telescope (LAMOST) data release 4 spectroscopic data base together with Galaxy Evolution Explorer (GALEX) ultraviolet fluxes to identify 1549 WD+FGK binary candidates (1057 of which are new), thus doubling the number of known sources. We measure the radial velocities of 1453 of these binaries from the available LAMOST spectra and/or from spectra obtained by us at a wide variety of different telescopes around the globe. The analysis of the radial velocity data allows us to identify 24 systems displaying more than 3s radial velocity variation that we classify as close binaries. We also discuss the fraction of close binaries among WD+FGK systems, which we find to be similar to 10 per cent, and demonstrate that high-resolution spectroscopy is required to efficiently identify double-degenerate SN Ia progenitor candidates.
项目资助者: Agencia de Gestio d'Ajuts Universitaris i de Recerca ; Agencia de Gestio d'Ajuts Universitaris i de Recerca(AYA2014-59084-P, AYA2014-55840-P) ; Young Researcher Grant of National Astronomical Observatories, Chinese Academy of Sciences ; Key Basic Research Program of China(2014CB845700) ; Leverhulme Trust ; European Research Council under the European Union's Seventh Framework Programme (FP)/ERC grant(320964) ; Fondecyt(1141269) ; National Development and Reform Commission ; Palomar Hale Telescope (through Chinese Telescope Access Program)(2013B-20) ; Isaac Newton Telescope (programs)(2014B-80, 2015B-7, 2016B-33) ; Canada France Hawaii Telescope (through Chinese Telescope Access Program)(2015B-27) ; Telescopio Nazionale Galileo (program)(CAT17A-5)
语种: 英语
原文出处: 查看原文
ISSN号: 0035-8711
文章类型: Article
WOS标题词: Science & Technology ; Physical Sciences
研究领域[WOS]: Astronomy & Astrophysics
类目[WOS]: Astronomy & Astrophysics
关键词[WOS]: COMMON-ENVELOPE BINARIES ; DELAY-TIME DISTRIBUTION ; CORE-DEGENERATE SCENARIO ; MAIN-SEQUENCE BINARIES ; NEBULA HENIZE 2-428 ; IA SUPERNOVAE ; CATACLYSMIC VARIABLES ; OBSERVATIONAL EVIDENCE ; ABSOLUTE MAGNITUDES ; ORBITAL PERIOD
WOS记录号: WOS:000415652500033
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ynao.ac.cn/handle/114a53/12192
Appears in Collections:大样本恒星演化研究组_期刊论文
中国科学院天体结构与演化重点实验室_期刊论文

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作者单位: 1.Departament de F´ısica, Universitat Politecnica de Catalunya, c/Esteve Terrades 5, E-08860 Castelldefels, Spain
2.Institute for Space Studies of Catalonia, c/Gran Capita 2–4, Edif. Nexus 201, E-08034 Barcelona, Spain
3.National Astronomical Observatories, Chinese Academy of Sciences, 100012 Beijing, P. R. China
4.National Astronomical Research Institute of Thailand, Sirindhorn AstroPark, Donkaew, Mae Rim, Chiang Mai 50180, Thailand
5.Deparment of Physics & Astronomy, University of Sheffield, Sheffield S3 7RH, UK
6.Instituto de F´ısica y Astronom´ıa, Universidad de Valpara´ıso, Avenida Gran Bretana 1111, Valpara ˜ ´ıso, Chile
7.Department of Physics, University of Warwick, Coventry CV4 7AL, UK
8.Instituto de Astrof´ısica de Canarias, c/ V´ıa Lactea s/n, E-38205 La Laguna, Tenerife, Spain
9.Universidad de La Laguna, Departamento de Astrof´ısica, E-38206 La Laguna, Tenerife, Spain
10.Department of Astronomy, Peking University, Beijing 100871, P. R. China
11.Instituto de Astronom´ıa, Universidad Nacional Autonoma de M ´ exico, 70-264, Ciudad Universitaria, M ´ exico D.F., C.P. 04510, M ´ exico
12.Instituto de Astronom´ıa, Universidad Nacional Autonoma de M ´ exico, 877, Ensenada, Baja California, C.P. 22830 M ´ exico
13.Key Laboratory for the Structure and Evolution of Celestial Objects, Yunnan observatories, Chinese Academy of Sciences, PO Box 110, Kunming, 650011, Yunnan Province, P. R. China
14.Departamento de F´ısica Teorica, Universidad Aut ´ onoma de Madrid, Cantoblanco E-28049 Madrid, Spain

Recommended Citation:
Rebassa-Mansergas, A.,Ren, J. J.,Irawati, P.,et al. The white dwarf binary pathways survey - II. Radial velocities of 1453 FGK stars with white dwarf companions from LAMOST DR4[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2017,472(4):4193-4203.
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