A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN

Details A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN

Dec 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999sf99.proc...80y&link_type=abstract

Star Formation 1999, Proceedings of Star Formation 1999, held in Nagoya, Japan, June 21 - 25, 1999, Editor: T. Nakamoto, Nobeyam

Astronomy and Astrophysics

Astronomy

Scientific paper

New observations of the J=1-0 12CO, 13CO, and C18O emission have been extensively made toward the Vela Molecular Ridge (VMR) with NANTEN. The total mass of the molecular gas traced by 12CO is estimated to be 5.6 x 105 Modot. The most prominent feature is a giant molecular cloud in VMR-C region (Vela C). Twenty nine clouds have been identified in the present C18O distribution. Among them, the most massive one is included in Vela C, having total mass of 4.4 x 104 Modot. Most of the C18O clouds contain candidates of young stellar objects (YSOs) identified from IRAS data. The luminosities of the associated protostellar IRAS sources indicate that intermediate- and high-mass star formation takes place in this region. We found that the ratio of the total luminosity of the IRAS sources to the cloud mass is enhanced for the cloud associated with HII region by an order of magnitude. This is interpreted that formation of massive stars is enhanced due to the effects of HII regions. We also newly found an outflow toward IRAS 08588-4347 as well as five possible candidates for outflow. From comparison with the distributions of the astronomical objects, we suggest that star forming regions are roughly distributed from low to high latitude according to the age sequence.

Affiliated with

Also associated with

No associations

Rating

A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Study of Dense Molecular Gas and Star Formation toward the Vela Molecular Ridge with NANTEN will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1588065