Astronomy and Astrophysics – Astrophysics
Scientific paper
Dec 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...382..603w&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 382, Dec. 1, 1991, p. 603-605.
Astronomy and Astrophysics
Astrophysics
6
O Stars, Stellar Winds, X Ray Absorption, Interstellar Matter, Radio Emission, Stellar Luminosity
Scientific paper
The observed X-ray spectral distributions from O stars are highly dependent upon the absorbing media traversed. These media include the cold ISM and the 'local' highly ionized dense surrounding medium commonly referred to as the stellar wind or envelope. Since this local absorption may exceed the ISM absorption, the usual practice of neglecting the local component may lead to underestimates of the intrinsic X-ray fluxes by several orders of magnitude. Previously, the neglect of the local component was justified, since no direct observational evidence supporting local absorption existed. Here evidence is presented for local absorption by showing a correlation between the observed X-ray hardness ratios (an indicator of absorption) and the 6 cm radio data (a measure of the stellar wind column density). It is proposed that this relation may be the first 'positive' confirmation of the existence of the local absorption component.
No associations
LandOfFree
Direct evidence for stellar wind X-ray absorption in O stars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Direct evidence for stellar wind X-ray absorption in O stars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Direct evidence for stellar wind X-ray absorption in O stars will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1536629