The Massive Disk Around OH 231.8+4.2

Details The Massive Disk Around OH 231.8+4.2 The Massive Disk Around OH 231.8+4.2

2002-04-02

arxiv.org/abs/astro-ph/0204027v1

Astronomy and Astrophysics

Astrophysics

ApJ, in press

Scientific paper

10.1086/341091

We have obtained 11.7 micron and 17.9 micron images at the Keck I telescope of the circumstellar dust emission from OH 231.8+4.2, an evolved mass-losing red giant with a well studied bipolar outflow. We detect both a central unresolved point source and extended emission which is aligned with the bipolar outflow seen on larger scales. We find that the unresolved central source can be explained by an opaque, flared disk with an outer radius near 300 AU and an outer temperature of about 130 K. One possible model to explain this flaring is that the material in the disk is orbiting the central star and not simply undergoing a radial expansion.

Affiliated with

Also associated with

No associations

Rating

The Massive Disk Around OH 231.8+4.2 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 The Massive Disk Around OH 231.8+4.2, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and The Massive Disk Around OH 231.8+4.2 will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-316068