A Keplerian Disk around the Herbig Ae star HD169142

Details A Keplerian Disk around the Herbig Ae star HD169142 A Keplerian Disk around the Herbig Ae star HD169142

2005-12-19

arxiv.org/abs/astro-ph/0512478v1

Astron.J.131:2290-2293,2006

Astronomy and Astrophysics

Astrophysics

10 pages, 2 figures, accepted by AJ

Scientific paper

10.1086/500587

We present Submillimeter Array observations of the Herbig Ae star HD169142 in 1.3 millimeter continuum emission and 12CO J=2-1 line emission at 1.5 arcsecond resolution that reveal a circumstellar disk. The continuum emission is centered on the star position and resolved, and provides a mass estimate of about 0.02 solar masses for the disk. The CO images show patterns in position and velocity that are well matched by a disk in Keplerian rotation with low inclination to the line-of-sight. We use radiative transfer calculations based on a flared, passive disk model to constrain the disk parameters by comparison to the spectral line emission. The derived disk radius is 235 AU, and the inclination is 13 degrees. The model also necessitates modest depletion of the CO molecules, similar to that found in Keplerian disks around T Tauri stars.

Affiliated with

Also associated with

No associations

Rating

A Keplerian Disk around the Herbig Ae star HD169142 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 Keplerian Disk around the Herbig Ae star HD169142, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and A Keplerian Disk around the Herbig Ae star HD169142 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-280989