Photometric and polarimetric observations of two IRAS galactic sources

Details Photometric and polarimetric observations of two IRAS galactic sources Photometric and polarimetric observations of two IRAS galactic sources

Mar 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...229..138l&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 229, no. 1, March 1990, p. 138-140.

Astronomy and Astrophysics

Astronomy

5

Astronomical Photometry, Galactic Structure, Infrared Astronomy Satellite, Mira Variables, Polarimetry, Stellar Envelopes, Fourier Analysis, Light Curve, Red Giant Stars, Stellar Mass Ejection, Stellar Rotation, Supergiant Stars

Scientific paper

JHKLM photometric and RI polarimetric data obtained between July 1985 and January 1989 are presented for IRAS 00193-4033 and IRAS 22231-4529. The photometric data are used to construct light curves. It is confirmed that these objects are late-type Miras. Periods and phases are determined by Fourier analysis. These determinations make it possible to study polarization changes as a function of phase in these two sources. A discussion of a possible mechanism to account for changes in polarization angle with phase in Miras is given.

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