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Title:
A Second UV "Light Bulb" Behind the SN 1006 Remnant
Authors:
Winkler, P. Frank; Long, Knox S.
Publication:
Astrophysical Journal Letters v.486, p.L137 (ApJL Homepage)
Publication Date:
09/1997
Origin:
APJ
ApJ Keywords:
GALAXIES: QUASARS: GENERAL, ISM: INDIVIDUAL ALPHANUMERIC: SN 1006, ISM: SUPERNOVA REMNANTS, STARS: SUPERNOVAE: INDIVIDUAL ALPHANUMERIC: SN 1006, ULTRAVIOLET: ISM
DOI:
10.1086/310850
Bibliographic Code:
1997ApJ...486L.137W

Abstract

A point X-ray source located 9' NE of the center of SN 1006 has been spectroscopically identified as a background QSO, with a redshift of 0.335. The object is moderately bright, with magnitude V = 18.3. If its ultraviolet spectrum is typical of low-z quasars, this object will be a second source (after the Schweizer-Middleditch star) to use for absorption spectroscopy of material within SN 1006. Absorption spectra provide a unique probe for unshocked ejecta within this supernova remnant and can possibly solve the long-standing problem of "missing" iron in the remnants of Type Ia supernovae.
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