Astronomy and Astrophysics – Astronomy
Scientific paper
Jun 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984mnras.208..661b&link_type=abstract
Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 208, June 1, 1984, p. 661-671.
Astronomy and Astrophysics
Astronomy
29
Galactic Nuclei, Infrared Astronomy, Milky Way Galaxy, Near Infrared Radiation, Polarimetry, Astronomical Maps, Circular Polarization, Linear Polarization, Photographic Plates, Stellar Color
Scientific paper
IR images of the Galactic center in H, K, L-prime and M are the bases of the present measurements of positions, magnitudes and colors for 35 sources which can be divided into two classes: those with colors typical of reddened stars, and those with much redder colors which dominate at L-prime and M, having a dust emission IR source. Polarization measurements have been made for a number of the brighter sources at J, H, and K. IRS 16 is typical of a group whose stellar colors show the wavelength dependence of interstellar polarization. IRS 1 exhibits substantial intrinsic polarization at K, attributable to aligned grain emission. The small circular polarization of IRS 7 may be due to the effect of stellar birefringence on intrinsic polarization.
Axon David J.
Bailey Jeremy
Hough James H.
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