Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001a%26a...373..714k&link_type=abstract
Astronomy and Astrophysics, v.373, p.714-719 (2001)
Astronomy and Astrophysics
Astrophysics
10
Interstellar Medium: Individual Objects Lupus 2, Interstellar Medium: Extinction, Interstellar Medium: Clouds, Stars: Formation
Scientific paper
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 cal Msun 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 Based on ESO observations, La Silla.
Knude Jens
Nielsen A. S.
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