A tiny Galactic dust cloud projected onto NGC 3269?
Astrophysics
2008-11-26 v1
Abstract
We report on new observations obtained with the Magellan Clay-telescope of a tiny dust patch in the Sa-galaxy NGC 3269 in the Antlia galaxy cluster. It has already been suspected to be a projected Galactic foreground cloud. In this case a size of about 4 arcsec and a maximum absorption of ~1 mag in the B-band would make it unique so far. We present further evidence for its Galactic nature from imaging under excellent seeing conditions (0.3-0.6 arcsec). This dust cloud could be the first optically identified counterpart of a new type of molecular cloud recently discovered by Heithausen (2004).
Cite
@article{arxiv.astro-ph/0505541,
title = {A tiny Galactic dust cloud projected onto NGC 3269?},
author = {B. Dirsch and T. Richtler and M. Gomez},
journal= {arXiv preprint arXiv:astro-ph/0505541},
year = {2008}
}
Comments
Accepted for publication in AJ. 10 pages, 3 figures