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Aufsatz zugänglich unter
URN: urn:nbn:de:bvb:29-opus-37543
URL: http://www.opus.ub.uni-erlangen.de/opus/volltexte/2012/3754/
Analysis of Two Eclipsing Hot Subdwarf Binaries with a Low Mass Stellar and a Brown Dwarf Companion
Schaffenroth, Veronika ;
Geier, Stephan ;
Heber, Ulrich ;
Drechsel, Horst ;
Østensen, Roy H. ;
Maxted, Pierre F. L. ;
Kupfer, Thomas ;
Barlow, Brad N.
| Originalveröffentlichung: |
| (2011) AIP Conference Proceedings 1331 (2011): S. 174-181. 05.11.2012 <http://proceedings.aip.org/resource/2/apcpcs/1331/1/174_1> |
| pdf-Format:
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| SWD-Schlagwörter: |
| - |
| Freie Schlagwörter (Englisch): |
| eclipsing binary stars , brown dwarfs , white dwarfs , stellar mass |
| PACS - Klassifikation: |
| 97.10.Nf , 97.20.Rp , 97.20.Vs , 95.10.Gi |
| Collection: |
| Universität Erlangen-Nürnberg / Allianzlizenzen / 2011 |
| Fakultät: |
| Naturwissenschaftliche Fakultät |
| DDC-Sachgruppe: |
| Naturwissenschaften |
| Dokumentart: |
| Aufsatz |
| Sprache: |
| Englisch |
| Erstellungsjahr: |
| 2011 |
| Publikationsdatum: |
| 05.11.2012 |
| Kurzfassung in Englisch: |
| The formation of hot subdwarf stars (sdBs), which are core helium‐burning stars located on the extended horizontal branch, is still not understood. Many of the known hot subdwarf stars reside in close binary systems with short orbital periods between a few hours and a few days with either M star or white dwarf companions. Common envelope ejection is the most probable formation channel. Among these, eclipsing systems are of special importance because it is possible to constrain the parameters of both components tightly by combining spectroscopic and light curve analyses. We report the discovery of two eclipsing binaries with a brown dwarf (<0.07 M☉) and a 0.15 M☉ late main sequence star companion in close orbits around sdB stars. |
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