Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions

Details Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions

Sep 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998arep...42..592s&link_type=abstract

Astronomy Reports, Volume 42, Issue 5, September 1998, pp.592-597

Astronomy and Astrophysics

Astronomy

1

Scientific paper

The radial-velocity variability of individual spectral features of H_2O maser sources associated with star-forming regions is analyzed. Seven sources (S252A, ON1, ON2, W75N, W75S, S128, and S140) are considered. In addition to the regular drift that is present for virtually all the spectral features, short-term radial-velocity variability was detected. For some features, this variability is more or less periodic, with periods from 1 to 2.5 years and amplitudes from 0.03 to 0.24 km/s. The lifetime of such features in their active phase was from two to nine years. Possible mechanisms for the observed radial-velocity variations are discussed. The most probable origins may be clumpiness and turbulence in the medium hosting the water-vapor masers.

Affiliated with

Also associated with

No associations

Rating

Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions 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 Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Short-term radial-velocity variations of water-vapor maser spectral components in star-forming regions will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-811795