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INFRARED OBSERVATIONS OF MASS-LOSS FROM MASSIVE STARS

BARLOW, MJ; MOFFAT, AFJ; TAYLOR, MJ; BARLOW, MJ; LEITHERER, C; (1991) INFRARED OBSERVATIONS OF MASS-LOSS FROM MASSIVE STARS. IAU SYMP (143) 281 - 287.

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Abstract

The future use of space-borne IR spectroscopy to determine the ionization structure and abundances in the outer winds of WR stars is described. A mass loss rate of 1.7 x 10(-5) M.yr-1 has been derived from 10-mu-m photometry of the WO2 star Sanduleak 5 (WR 142). The He/H number ratios in the winds of P Cyg and AG Car have been derived from a recombination line analysis of their 1-4-mu-m spectra and mass loss rates of 2.2 x 10(-5) M. yr-1 and 3.7 x 10(-5) M. yr-1 have been respectively derived for them.

Type: Article
Title: INFRARED OBSERVATIONS OF MASS-LOSS FROM MASSIVE STARS
Keywords: WOLF-RAYET STARS, LOSS RATES, P-CYGNI, RADIO, WIND, EMISSION, VELORUM, LINES
UCL classification: UCL > School of BEAMS > Faculty of Maths and Physical Sciences > Physics and Astronomy
URI: http://discovery.ucl.ac.uk/id/eprint/263772
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