An infrared study of Herbig Ae/Be stars

Details An infrared study of Herbig Ae/Be stars An infrared study of Herbig Ae/Be stars

Sep 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006ap%26ss.305...11z&link_type=abstract

Astrophysics and Space Science, Volume 305, Issue 1, pp.11-23

Astronomy and Astrophysics

Astrophysics

2

Stars: Emission-Line, Be, Infrared: Stars, Stars: Pre-Main-Sequence

Scientific paper

The IRAS and 2MASS associations for 206 HAEBE stars are identified in this paper. From the color-color diagrams and spectral index, it is found that the IR excesses for most samples are due to thermal emission from the circumstellar material. It is also found that the IR excesses at IRAS region for few HAEBE stars and the near-IR excesses for some HAEBE stars are likely attributed to free-free emission or free-bound emission from the circumstellar ionized gas. Moreover, the evolution scenario (from embedded HAEBE stars to β Pictoris-like main-sequence stars) from Malfait et al. (1998) has been checked, our result does not support this evolution scenario.

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