The VLT-FLAMES Tarantula Survey. XV. VFTS 822: A candidate Herbig B[e] star at low metallicity
| Data(s) |
01/04/2014
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| Resumo |
<p>We report the discovery of the B[e] star VFTS 822 in the 30 Doradus star-forming region of the Large Magellanic Cloud, classified by optical spectroscopy from the VLT-FLAMES Tarantula Survey and complementary infrared photometry. VFTS 822 is a relatively low-luminosity (log L = 4.04 ± 0.25 L<sub>·</sub>) B8[e] star. In this Letter, we evaluate the evolutionary status of VFTS 822 and discuss its candidacy as a Herbig B[e] star. If the object is indeed in the pre-main sequence phase, it would present an exciting opportunity to spectroscopically measure mass accretion rates at low metallicity, to probe the effect of metallicity on accretion rates. </p> |
| Identificador |
http://dx.doi.org/10.1051/0004-6361/201323289 http://www.scopus.com/inward/record.url?scp=84898007312&partnerID=8YFLogxK |
| Idioma(s) |
eng |
| Direitos |
info:eu-repo/semantics/openAccess |
| Fonte |
Kalari , V M , Vink , J S , Dufton , P L , Evans , C J , Dunstall , P R , Sana , H , Clark , J S , Ellerbroek , L , De Koter , A , Lennon , D J & Taylor , W D 2014 , ' The VLT-FLAMES Tarantula Survey. XV. VFTS 822: A candidate Herbig B[e] star at low metallicity ' Astronomy and Astrophysics , vol 564 , L7 . DOI: 10.1051/0004-6361/201323289 |
| Palavras-Chave | #Hertzsprung-Russell and C-M diagrams #Magellanic Clouds #Stars: emission-line, Be #Stars: pre-main sequence #Supergiants #/dk/atira/pure/subjectarea/asjc/3100/3103 #Astronomy and Astrophysics #/dk/atira/pure/subjectarea/asjc/1900/1912 #Space and Planetary Science |
| Tipo |
article |
