view Abstract Citations (3) References (18) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS G203.2-12.3: A New Optical Supernova Remnant in Orion Winkler, P. F. ; Reipurth, Bo Abstract The discovery is reported of what appears to be an SNR at unusually high latitude near the Galactic anticenter. CCD images in the light of both forbidden S II and H-alpha show patchy filaments scattered over a 3-arcmin region, but with relative strengths in the two lines which vary by a factor of 20 from one filament to another. Spectra confirm the line identification and variable intensities. The most extreme filaments have line flux ratios forbidden S II/H-alpha of roughly 5, among the highest observed in SNR. The position of G203.2 - 12.3 coincides with that of a 'guest star' recorded by Chinese astronomers in A.D. 483. Publication: The Astrophysical Journal Pub Date: April 1992 DOI: 10.1086/186340 Bibcode: 1992ApJ...389L..25W Keywords: Charge Coupled Devices; H Alpha Line; Light Emission; Supernova Remnants; Milky Way Galaxy; Orion Constellation; Sky Surveys (Astronomy); Astrophysics; STARS: SUPERNOVAE: GENERAL; ISM: SUPERNOVA REMNANTS full text sources ADS | data products SIMBAD (7)