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Observations of the pulsating subdwarf B star Feige 48: Constraints on evolution and companions
Reed, MD; Kawaler, SD; Zola, S; Jiang, XJ; Dreizler, S; Schuh, SL; Deetjen, JL; Kalytis, R; Meistas, E; Janulis, R; Alisauskas, D; Krzesinski, J; Vuckovic, M; Moskalik, P; Ogloza, W; Baran, A; Stachowski, G; Kurtz, DW; Perez, JMG; Mukadam, A; Watson, TK; Koen, C; Bradley, PA; Cunha, MS; Kilic, M; Klumpe, EW; Carlton, RF; Handler, G; Kilkenny, D; Riddle, R; Dolez, N; Vauclair, G; Chevreton, M; Wood, MA; Grauer, A; Bromage, G; Solheim, JE; Ostensen, R; Ulla, A; Burleigh, M; Good, S; Hurkal, O; Anderson, R; Pakstiene, E
AbstractSince pulsating subdwarf B (sdBV or EC14026) stars were first discovered, observational efforts have tried to realize their potential for constraining the interior physics of extreme horizontal branch stars. Difficulties encountered along the way include uncertain mode identifications and a lack of stable pulsation mode properties. Here we report on Feige 48, an sdBV star for which follow- up observations have been obtained spanning more than four years. These observations show some stable pulsation modes.
KeywordStars : Individual (Feige 48) Stars : Oscillations Stars : Variables : Other
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WOS IDWOS:000220088100006
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Document Type期刊论文
Affiliation1.SW Missouri State Univ, Dept Phys Astron & Mat Sci, Springfield, MO 65804 USA
2.Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
3.Jagiellonian Univ, Astron Observ, PL-30244 Krakow, Poland
4.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
5.Univ Tubingen, Inst Astron & Astrophys, D-72076 Tubingen, Germany
6.Univ Gottingen, Univ Sternwarte Gottingen, D-37083 Gottingen, Germany
7.Vilnius State Univ, Astron Observ, Inst Mat Sci & Appl Res, LT-2009 Vilnius, Lithuania
8.Astron Observ, Inst Theoret Phys & Astron, LT-2600 Vilnius, Lithuania
9.Crakow Pedag Univ, Mt Suhora Observ, PL-30084 Krakow, Poland
10.Apache Point Observ, Sunspot, NM 88349 USA
11.Polish Acad Sci, Nicolas Copernicus Astron Ctr, PL-00716 Warsaw, Poland
12.Univ Cent Lancashire, Ctr Astrophys, Preston PR1 2HE, Lancs, England
13.Univ Tromso, Inst Fys, N-9037 Tromso, Norway
14.Univ Texas, Dept Astron, Austin, TX 78712 USA
15.SW Univ, Georgetown, TX 78626 USA
16.S African Astron Observ, ZA-7935 Observatory, Cape, South Africa
17.Los Alamos Natl Lab, Los Alamos, NM 87545 USA
18.Univ Porto, Ctr Astrofis, P-4150762 Oporto, Portugal
19.Inst Super Maia, P-4475690 Avisoso S Pedro, Castelo Da Maia, Portugal
20.Middle Tennessee State Univ, Dept Phys & Astron, Murfreesboro, TN 37132 USA
21.Univ Toulouse 3, Observ Midi Pyrenees, F-31400 Toulouse, France
22.Observ Paris, DAEC, F-92195 Meudon, France
23.Florida Inst Technol, Dept Phys & Space Sci, Melbourne, FL 32901 USA
24.Florida Inst Technol, SARA Observ, Melbourne, FL 32901 USA
25.Univ Arkansas, Dept Phys & Astron, Little Rock, AR 72204 USA
26.Isaac Newton Grp Telescopes, E-37800 Santa Cruz De La Palma, Canary Islands, Spain
27.Univ Vigo, Dept Fis Aplicada, Fac Ciencias, Vigo 36200, Spain
28.Univ Leicester, Dept Phys & Astron, Leicester LE1 7RH, Leics, England
29.Ege Univ, Fac Sci, Dept Astron & Space Sci, TR-35100 Izmir, Turkey
30.Univ N Carolina, Dept Phys & Astron, Chapel Hill, NC 27599 USA
Recommended Citation
GB/T 7714
Reed, MD,Kawaler, SD,Zola, S,et al. Observations of the pulsating subdwarf B star Feige 48: Constraints on evolution and companions[J]. MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,2004,348(4):1164-1174.
APA Reed, MD.,Kawaler, SD.,Zola, S.,Jiang, XJ.,Dreizler, S.,...&Pakstiene, E.(2004).Observations of the pulsating subdwarf B star Feige 48: Constraints on evolution and companions.MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY,348(4),1164-1174.
MLA Reed, MD,et al."Observations of the pulsating subdwarf B star Feige 48: Constraints on evolution and companions".MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 348.4(2004):1164-1174.
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