Dark clouds imaging polarimetry

A set of eight Bok Globules CB3, CB25, CB39, CB52, CB54, CB58, CB62 and CB246 were observed polarimetrically in white light, using our Imaging Polarimater (IMPOL), from the 1.2m IR telescope at Mount Abu, India. The observations were carried out on different nights during the period December 1997 and April 1998. The CCD images obtained from the instrument (IMPOL) were analyzed, to produce polarization map of the Bok Globules. The stars in the field, which are mostly background to the cloud show typically 2% linear polarization. Clouds which are less dynamic (having ^12^CO line widths {Delta}V<2.5km/s) in general show slightly better alignment of polarization vectors with the projected direction of galactic plane. On the other hand, the more dynamic group of clouds has polarization vectors more scattered and poorly aligned with the projected direction of the galactic plane. However one of the clouds observed, CB58, does not follow this trend very well.

Cone search capability for table J/A+AS/141/175/tables (Observed linear polarization values for various field stars in clouds CB25, CB256, CB25N, CB3, CB39, CB3N, CB52, CB54A, CB54B, CB58 and CB62 (tables 4 to 14 of the paper))

Identifier
Source https://dc.g-vo.org/rr/q/lp/custom/CDS.VizieR/J/A+AS/141/175
Related Identifier https://cdsarc.cds.unistra.fr/viz-bin/cat/J/A+AS/141/175
Related Identifier https://vizier.cds.unistra.fr/viz-bin/VizieR-2?-source=J/A+AS/141/175
Metadata Access http://dc.g-vo.org/rr/q/pmh/pubreg.xml?verb=GetRecord&metadataPrefix=oai_b2find&identifier=ivo://CDS.VizieR/J/A+AS/141/175
Provenance
Creator Sen A.K.; Gupta Ranjan; Ramaprakash A.N.; Tandon S.N.
Publisher CDS
Publication Year 2000
Rights https://cds.unistra.fr/vizier-org/licences_vizier.html
OpenAccess true
Contact CDS support team <cds-question(at)unistra.fr>
Representation
Resource Type Dataset; AstroObjects
Discipline Astrophysics and Astronomy; Exoplanet Astronomy; Interstellar medium; Natural Sciences; Observational Astronomy; Physics; Stellar Astronomy