Broad-Band X-Ray Telescope Spectroscopy of zeta Puppis
Abstract
The Broad-Band X-Ray Telescope obtained moderate-resolution (about 90 eV) X-ray spectra of the O4 f star Xi Pup during the STS 35/Astro 1 mission in 1990 December. Despite the shortness of the observation (600 s), the data show a surprising amount of detail. We report the detection of an O absorption edge produced by ionized overlying wind material and K-shell line emission from Mg produced by a thermal plasma of temperature near 6 x 10 exp 6 K. The data are used to place constraints on the location, temperature, and amount of the X-ray-emitting gas, as well as the abundance and ionization of the wind material.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- August 1993
- DOI:
- 10.1086/172961
- Bibcode:
- 1993ApJ...412..792C
- Keywords:
-
- Early Stars;
- Stellar Spectra;
- Stellar Winds;
- X Ray Telescopes;
- Broadband;
- Stellar Mass Ejection;
- X Ray Stars;
- Astrophysics;
- STARS: EARLY-TYPE;
- STARS: INDIVIDUAL CONSTELLATION NAME: ZETA PUPPIS;
- STARS: MASS LOSS;
- X-RAYS: STARS