Radio images of the expanding ejecta of nova QU Vulpeculae 1984

Details Radio images of the expanding ejecta of nova QU Vulpeculae 1984 Radio images of the expanding ejecta of nova QU Vulpeculae 1984

Sep 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988natur.335..235t&link_type=abstract

Nature (ISSN 0028-0836), vol. 335, Sept. 15, 1988, p. 235-238. Research supported by NSERC.

Astronomy and Astrophysics

Astronomy

13

Novae, Radio Astronomy, Stellar Mass Ejection, Stellar Spectrophotometry, Cosmic Dust, Infrared Spectrophotometers, Very Large Array (Vla), White Dwarf Stars

Scientific paper

Nova QU Vulpeculae 1984 was one of the brightest and most unusual novae of recent times. The authors present new high-resolution radio images, showing that the ejecta of QU Vul have evolved from a bipolar shape to a spherical configuration with a central hole. The brightness temperature profiles of the new images are well fitted by models with a thick expanding shell of ionized gas with a 1/r2 density distribution, and the fitting yields values for the total mass of emitting gas and the expansion rate of the inner and outer edges of the shell.

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