Infrared polarimetry of the W33, Cepheus A, and S255 IR regions

Details Infrared polarimetry of the W33, Cepheus A, and S255 IR regions Infrared polarimetry of the W33, Cepheus A, and S255 IR regions

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988aj.....95..821h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 95, March 1988, p. 821-827.

Astronomy and Astrophysics

Astronomy

4

Cepheus Constellation, Infrared Sources (Astronomy), Polarimetry, Star Formation, Stellar Rotation, Cosmic Dust, Error Analysis, Statistical Analysis, Telescopes

Scientific paper

Polarimetric observations of sources in three star-forming regions, obtained at 1.23-8.53 microns using the Blue Toad (up-looking InSb) and Closed Cycle Cooler Photometer (SiAs) detectors on the 2.1-m telescope at KPNO in December 1984 and June 1985, are reported. The data are presented in tables and maps and characterized in detail. Features discussed include a position-angle rotation from H to K in W33 IRS 3 and polarization of S255 IR by scattering off an embedded source (probably the center of a bipolar outflow). A 60-deg position-angle rotation from J to K in Cep A IRS 5 and the polarization of Cep A IRS 6a and the reflection nebula Cep A IRS 3 are attributed in part to illumination by a central source near Cep A IRS 6c.

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