Discovery of a Candidate for the Central Star of the Ultracompact H II Region G5.89-0.39

Details Discovery of a Candidate for the Central Star of the Ultracompact H II Region G5.89-0.39 Discovery of a Candidate for the Central Star of the Ultracompact H II Region G5.89-0.39

Dec 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...599l..91f&link_type=abstract

The Astrophysical Journal, Volume 599, Issue 2, pp. L91-L94.

Astronomy and Astrophysics

Astronomy

26

Ism: H Ii Regions, Stars: Early-Type, Stars: Formation

Scientific paper

We present high-resolution, near-infrared images of the ultracompact H II region G5.89-0.39 that were taken during a commissioning run of the NACO adaptive optics/near-infrared camera system at the Very Large Telescope. For the first time, these data reveal the exact location of a very promising candidate for the primary, ionizing star of this region and provide a good estimate of its spectral type. We very briefly discuss the morphology of the region and the implications of finding the star at a location where it was quite unexpected, namely, off-center of a shell.
Based on observations collected at the VLT-UT4 on Cerro Paranal (Chile) operated by the European Southern Observatory (ESO) in the course of NACO commissioning (COMM 3).

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