Astronomy and Astrophysics – Astronomy
Scientific paper
Jul 1986
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cuny.reptr....h&link_type=abstract
Final Report, 1 Jun. 1985 - 31 May 1986 Columbia Univ., New York, NY. Astrophysics Lab.
Astronomy and Astrophysics
Astronomy
Crab Nebula, Infrared Astronomy, Pulsars, Radio Astronomy, Star Formation, Supernova Remnants, Synchrotron Radiation, Emission Spectra, H Ii Regions, Infrared Astronomy Satellite, Magnetic Fields, Thermal Emission, X Ray Spectra
Scientific paper
Using the Infrared Astronomy Satellite (IRAS) data, an investigation was begun of the far infrared properties of Crab-like supernova remnants and other synchrotron nebulae. Both the co-added scanning data and, where available, pointed observations were examined. To date infrared emission was found from two Crab-like remnants: G24.7+0.6 in which the infrared source near the center of the object was shown to be a compact HII region with EM greater than or approximately 10 to the 7th pc/cm(6); and G0.9+0.1 where a marginal detection of a 25 micron source coincident with the remnant core was used to set limits on the energetics of this synchrotron nebula. Further work, in progress under a second year of this program, should yield additional information concerning the distribution of initial pulsar spin periods and the evolution of synchrotron nebulae.
Becker Robert H.
Helfand David J.
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