Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM

Details Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM

Dec 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...185.4814d&link_type=abstract

American Astronomical Society, 185th AAS Meeting, #48.14; Bulletin of the American Astronomical Society, Vol. 26, p.1389

Other

Scientific paper

We have observed five star-forming regions at 2.73 mm with the IRAM interferometer, centering on the areas containing at least one Herbig Ae/Be star. In three regions, sources were definitely detected at a level greater than 3sigma at positions not coincident with the positions of the Herbig Ae/Be stars. Two other sources were possibly detected at the 3sigma level at positions within a beamwidth of the Herbig Ae/Be stars. For the BD+40(deg) 4124 region, emission was detected at neither BD+40(deg) 4124 nor V1686 Cyg. Instead, the emission peaks 1('') north of V1318 Cyg S, a source recently argued to be the origin of an outflow and water maser by Palla et al. (1994). For the LkHα 198 region, emission peaked at neither LkHα 198, LkHα 198-IR, nor V376 Cas. Instead, it peaks at a position 4('') north of the source described by Sandell & Weintraub (1994) as dominating the region at 800 mu m. In addition, 2.73 mm emission peaked not at the position of AB Aur, but at a location 7('') east-southeast of it (P.A. = 105(deg) .) No known source has been detected at this position. This detection, however, is less definite than the previous two. Finally, 2.73 mm emission may have been detected close to both V645 Cyg and MWC 137 (i.e., within 3('') .) This result suggests that nearby embedded sources, rather than Herbig Ae/Be stars, have compact regions of dust emission (often attributed to circumstellar disks) around them. This preliminary result underscores the difficulty of assessing putative disk properties with single-dish observations for stars within regions of crowded star formation.

Affiliated with

Also associated with

No associations

Rating

Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM 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 Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Interferometric Observations of Herbig Ae/Be Stars at 2.73 MM will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1320958