Spectroscopy of RCW 86 - A young supernova remnant

Details Spectroscopy of RCW 86 - A young supernova remnant Spectroscopy of RCW 86 - A young supernova remnant

Feb 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...243..814r&link_type=abstract

Astrophysical Journal, Part 1, vol. 243, Feb. 1, 1981, p. 814-816.

Other

26

Abundance, Astronomical Spectroscopy, Line Spectra, Optical Emission Spectroscopy, Supernova Remnants, H Alpha Line, H Beta Line, Interstellar Extinction, Ions, Shock Waves, Vidicons

Scientific paper

SIT vidicon spectrograms of RCW 86 were taken which cover the blue from 3700 A to 5100 A and the red from 5800 A to 7200 A. The H-alpha/H-beta ratio gives a reddening of 0.8 mag, implying a distance to the remnant of about 1 kpc. The observed line intensities were analyzed by using Dopita's diagnostic diagrams for optical emission from shock waves. As a result, temperatures ranging from 70,000 to 700,000 K were found, indicating shock velocities of at least 80 km/s. Severely abnormal abundance material was not found; this material should be there if, as suggested by other observations (ancient records and X-ray spectra), RCW 86 originated in the supernova explosion of the year 185 A.D.

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