Abstract
view Abstract Citations (61) References (15) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Deep optical imagery of the Crab Nebula's jet Gull, T. R. ; Fesen, R. A. Abstract A very deep O III forbidden line image of the Crab Nebula's faint jet-like feature shows it in much greater detail than previously recorded and reveals it to be a wide, yet remarkably collimated structure. The jet, which is situated about 3 arcmin north of the remnant's center, extends outward from the nebula's outermost visible border and appears as a sharply defined rectangular emission region 45 x 75 arcsec in size. It has bright, parallel edges which suggest a tubular structure. However, the jet is not radially aligned toward either the Crab Nebula's center of expansion or pulsar. Spectroscopy of the northern tip indicates a radial velocity of +150 + or - 100 km/sec. The jet's optical appearance and possible origin are discussed. Publication: The Astrophysical Journal Pub Date: September 1982 DOI: 10.1086/183873 Bibcode: 1982ApJ...260L..75G Keywords: Astronomical Photography; Crab Nebula; Plasma Jets; Radial Velocity; Supernova Remnants; Collimation; Forbidden Bands; Line Spectra; Oxygen Spectra; Stellar Spectra; Astrophysics full text sources ADS |
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