CE Gruis: Difference between revisions
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'''CE Gruis''' |
'''CE Gruis''' (previously called '''Grus V-1''') is a faint (magnitude 18–21) binary star system in the [[constellation]] [[Grus (constellation)|Grus]]. It is composed of a [[white dwarf]] and donor star, in this case the two are so close and fused into orbit facing one another. Known as [[Polar (cataclysmic variable star)|polars]], material from the donor star does not form an accretion disc around the white dwarf, but rather streams directly onto it.<ref name="ramsay02">{{cite journal|author1=Ramsay, Gavin |author2=Cropper, Mark |year=2002|title=First X-ray Observations of the Polar CE Gru|journal=Monthly Notices of the Royal Astronomical Society|volume=335|issue=4|pages=918–22|url=http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?2002MNRAS.335..918R&data_type=PDF_HIGH&whole_paper=YES&type=PRINTER&filetype=.pdf |bibcode=2002MNRAS.335..918R|arxiv = astro-ph/0205102 |doi = 10.1046/j.1365-8711.2002.05666.x }}</ref> |
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==References== |
==References== |
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Revision as of 20:58, 16 March 2018
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Grus |
| Right ascension | 21h 37m 56.38s[1] |
| Declination | −43° 42′ 13.1″[1] |
CE Gruis (previously called Grus V-1) is a faint (magnitude 18–21) binary star system in the constellation Grus. It is composed of a white dwarf and donor star, in this case the two are so close and fused into orbit facing one another. Known as polars, material from the donor star does not form an accretion disc around the white dwarf, but rather streams directly onto it.[2]
References
- ^ a b "V* CE Gru". SIMBAD. Centre de données astronomiques de Strasbourg. Retrieved 10 February 2014.
- ^ Ramsay, Gavin; Cropper, Mark (2002). "First X-ray Observations of the Polar CE Gru" (PDF). Monthly Notices of the Royal Astronomical Society. 335 (4): 918–22. arXiv:astro-ph/0205102. Bibcode:2002MNRAS.335..918R. doi:10.1046/j.1365-8711.2002.05666.x.
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