Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980sva....24..691l&link_type=abstract
(Astronomicheskii Zhurnal, vol. 57, Nov.-Dec. 1980, p. 1197-1203.) Soviet Astronomy, vol. 24, Nov.-Dec. 1980, p. 691-695. Trans
Astronomy and Astrophysics
Astronomy
Interstellar Matter, Shock Fronts, Stellar Evolution, Stellar Luminosity, Stellar Spectra, Supernova Remnants, Interferometry, Nebulae, Shock Wave Propagation, Spectrum Analysis, Stellar Structure
Scientific paper
Interferometric and spectroscopic observations of optical supernova remnants that bear on the problem of how the fine filamentary structure is formed are summarized. A morphological classification of the nebulae observed is presented, and its relation to the physical parameters of the remnants and the ambient interstellar medium is examined. In addition, the spatial configuration and the optical emission of the filaments are analyzed. It is found that the filaments represent dense ropes or filaments embedded in amorphous gas of lower density. Their thickness, 0.001 to 0.01 pc, is comparable with the thickness of the radiative region behind the shock front, and the density of the luminous gas, (0.5-2) x 10 to the 3rd per cu cm, is about two orders of magnitude higher than the typical undisturbed density in the cloud component of the interstellar medium. The thin filamentary structure develops primarily in remnants which are young in evolutionary terms, are in their adiabatic expansion phase, and have a high luminosity (not less than 10 to the 35th erg/sec) in the soft X-ray range.
No associations
LandOfFree
Filamentary structure of old optical supernova remnants 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 Filamentary structure of old optical supernova remnants, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Filamentary structure of old optical supernova remnants will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-758358