Detection of a Near-Infrared Counterpart to the Massive Protostar G192.16-3.82

Details Detection of a Near-Infrared Counterpart to the Massive Protostar G192.16-3.82 Detection of a Near-Infrared Counterpart to the Massive Protostar G192.16-3.82

Oct 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003apj...596l..83i&link_type=abstract

The Astrophysical Journal, Volume 596, Issue 1, pp. L83-L86.

Astronomy and Astrophysics

Astronomy

11

Ism: H Ii Regions, Ism: Individual: Alphanumeric: G192.16-3.82, Stars: Formation

Scientific paper

G192.16-3.82 (G192) is a massive protostellar object with an energetic outflow. It is one of only a few massive protostars with evidence of a circumstellar accretion disk. New high-resolution K'-band images of G192 show a 2.1 μm source near the radio-detected compact H II region. The source is very red (not detected at the H band), and neither ionized gas (Brγ emission) nor shocked gas (H2 emission) contributes strongly to the K-band emission. If the 2.1 μm source is the extincted protostellar photosphere, then the circumstellar disk may have a central hole and/or a small scale height.

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