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A multiwavelength study of the supernova remnant N49 in the Large Magellanic CloudThe 2.5-m du Pont telescope at Las Campanas, the IUE, and archival high-resolution imager X-ray data from the Einstein Observatory are used to present a detailed imaging and spectroscopic study of the SNR N49 in the LMC. The asymmetry of the optical image and the relatively high X-ray and optical luminosity of this remnant both arise from its interaction with an extended dense cloud to the southeast seen in CO emission. The optical spectra reveal clear evidence of reddening variations on spatial scales as small as about 2 arcsec over the face of the SNR. UV line emission is associated primarily with the bright optical filaments, and the total luminosity of N49 is measured in several optical and UV lines. A combined analysis of IUE and optical spectra indicates a range of radiative shock velocities. Implications for the interstellar medium surrounding N49 are discussed.
Document ID
19920065492
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Vancura, Olaf
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Blair, William P.
(Johns Hopkins University Baltimore, MD, United States)
Long, Knox S.
(Space Telescope Science Institute Baltimore, MD, United States)
Raymond, John C.
(Harvard-Smithsonian Center for Astrophysics Cambridge, MA, United States)
Date Acquired
August 15, 2013
Publication Date
July 20, 1992
Publication Information
Publication: Astrophysical Journal, Part 1
Volume: 394
Issue: 1 Ju
ISSN: 0004-637X
Subject Category
Astrophysics
Accession Number
92A48116
Funding Number(s)
CONTRACT_GRANT: NAG5-988
Distribution Limits
Public
Copyright
Other

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