First results from the Faint Object Camera - SN 1987A

Details First results from the Faint Object Camera - SN 1987A First results from the Faint Object Camera - SN 1987A

Mar 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...369l..63j&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 369, March 10, 1991, p. L63-L66.

Astronomy and Astrophysics

Astrophysics

134

Faint Object Camera, Luminosity, Stellar Envelopes, Supernova 1987A, Brightness Temperature, Forbidden Transitions, Nebulae, Oxygen Spectra, Stellar Spectra

Scientific paper

The first images of SN 1987A taken on day 1278 after outburst with the Faint Object Camera on board the Hubble Space Telescope are presented. The supernova is well detected and resolved spatially in three broadband ultraviolet exposures spanning the 1500-3800 A range and in a narrow-band image centered on the forbidden O III 5007 line. Simple uniform disk fits to the profiles of SN 1987A yield an average angular diameter of 170 + or - 30 mas, corresponding to an average expansion velocity of 6000 km/s. The derived broadband ultraviolet fluxes, when corrected for interstellar absorption, indicate a blue ultraviolet spectrum corresponding to a color temperature near 13,000 K.

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