Near-Infrared Observations of S 255-2 : The Heart of a Massive YSO Cluster

Details Near-Infrared Observations of S 255-2 : The Heart of a Massive YSO Cluster Near-Infrared Observations of S 255-2 : The Heart of a Massive YSO Cluster

Jun 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001pasj...53..495i&link_type=abstract

Publications of the Astronomical Society of Japan, vol.53, no. 3, p. 495-500

Astronomy and Astrophysics

Astronomy

14

Infrared: Stars, Ism: Reflection Nebulae, Stars: Formation

Scientific paper

High-resolution near-infrared (J H K L' M') images of a massive star-forming region, S 255-2, were obtained with the Subaru Telescope and an infrared camera, CIAO. These images clearly resolve two sets of bipolar nebulae illuminated by two independent massive YSOs. A number of cluster member YSOs have been detected, including 3 new sources. Seven early-B type stars have been identified within 10pc of S 255-2; three are associated with extended optical H II regions. The variation in the appearance of these early-B type stars suggests an evolutionary sequence of massive stars in the S 255 region.

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