| Issue |
A&A
Volume 373, Number 2, July II 2001
|
|
|---|---|---|
| Page(s) | 714 - 719 | |
| Section | The Sun | |
| DOI | https://doi.org/10.1051/0004-6361:20010536 | |
| Published online | 15 July 2001 | |
-(
) distance to Lupus 2*
Niels Bohr Institute for Astronomy, Geophysics and Physics, Juliane Maries Vej 30 2100 København Ø, Denmark
Corresponding author: J. Knude, indus@astro.ku.dk
Received:
30
October
2000
Accepted:
10
April
2001
We report a possible distance to the star forming cloud Lupus 2
of 360
pc, at least 150 pc larger than previously suggested. Despite the cloud's small
angular size and remoteness this distance estimate is corroborated by
Hipparcos/Tycho data for field stars.
The increased distance changes the mass estimate from 100 to ~600
more like the masses for the other Lupus clouds, but more
interestingly the virial ratio of the two C18O cores in Lupus 2
will be lowered by a factor of 2.4 making Lupus 2 more like Taurus than
the remaining Lupus cores
Key words: interstellar medium: individual objects Lupus 2 / interstellar medium: extinction / interstellar medium: clouds / stars: formation
© ESO, 2001
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