The discovery of optical emission from the SNR G 126.2 + 1.6

Details The discovery of optical emission from the SNR G 126.2 + 1.6 The discovery of optical emission from the SNR G 126.2 + 1.6

May 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980stin...8026228b&link_type=abstract

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Emission Spectra, Interstellar Matter, Nebulae, Optical Emission Spectroscopy, Spectrophotometry, Supernova Remnants, Abundance, Astronomical Photometry, Line Spectra, Shock Waves, Tables (Data)

Scientific paper

Interference filter photographs were used to identify an arc of nebulosity that is coincident with the radio contours of the galactic supernova remnant G 126.2 + 1.6. Spectrophotometry of the filament shows that the emission line spectrum matches the spectra of other galactic supernova remnants. In particular, the arc shows the usual strong SII, and NII emission lines seen in other remnants and unusually strong OII emission as seen in a few remnants. The spectrum can be adequately matched by a shock of velocity near 100 km/s in an interstellar cloud of density 3. If the SNR is at a distance of 4.5 kpc as indicated by the radio signal-D relation, then the observed pressure in the filament requires an initial energy near 4 x 10 to the 51st power (d/4.5 kpc) to the 3rd power ergs.

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