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Title:
ROSAT detection of Class I protostars in the CrA Coronet.
Authors:
Neuhaeuser, R.; Preibisch, T.
Publication:
Astronomy and Astrophysics, v.322, p.L37-L40 (A&A Homepage)
Publication Date:
06/1997
Origin:
A&A via CDS
A&A Keywords:
STARS: FORMATION, STARS: PRE-MAIN SEQUENCE, INFRARED: STARS, X-RAYS: STARS
Bibliographic Code:
1997A&A...322L..37N

Abstract

We analyze archival ROSAT data of the CrA star forming region. X-ray emission from five infrared Class I protostars in the Coronet cluster was recently found in ASCA data, however, with low spatial resolution and partly ambiguous source identification. ROSAT high spatial resolution data confirm the X-ray detection of three Class I protostars. The other two infrared protostars might be extincted to strongly for being detected in the softer ROSAT bandpass. Alternatively, the X-ray emission might be strongly variable and they might have been too faint in X-rays at the time of the ROSAT observations.

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arXiv e-prints