The infrared void in the Lupus dark clouds revisited: a polarimetric approach

Details The infrared void in the Lupus dark clouds revisited: a polarimetric approach The infrared void in the Lupus dark clouds revisited: a polarimetric approach

Feb 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006mnras.366..238a&link_type=abstract

Monthly Notices of the Royal Astronomical Society, Volume 366, Issue 1, pp. 238-246.

Astronomy and Astrophysics

Astronomy

5

Stars: Distances, Ism: Clouds, Ism: Individual: Lupus Dark Clouds, Infrared: Ism

Scientific paper

The results of B-band CCD imaging linear polarimetry obtained for stars from the Hipparcos catalogue are used to re-examine the distribution of the local interstellar medium towards the IRAS 100-μm emission void in the Lupus dark clouds. The analysis of the obtained parallax-polarization diagram assigns to the dark cloud Lupus1 a distance between 130 and 150pc and assures the existence of a low column density region coincident with the observed infrared void. Moreover, there are clear indications of the existence of absorbing material at distances closer than 60-100pc, which may be associated with the interface boundary between the Local Bubble and its neighbourhood LoopI superbubble.

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