Blackbody emissivity of supernova 1987A and the extragalactic distance scale

Details Blackbody emissivity of supernova 1987A and the extragalactic distance scale Blackbody emissivity of supernova 1987A and the extragalactic distance scale

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320l..23b&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 320, Sept. 1, 1987, p. L23-L25.

Astronomy and Astrophysics

Astrophysics

35

Black Body Radiation, Cosmology, Magellanic Clouds, Photosphere, Supernovae, Light Curve, Optical Thickness

Scientific paper

An application of the Baade method of supernova distance determination to SN 1987A in the Large Magellanic Cloud yields a distance of 55±5 kpc. The good agreement with the known distance to the LMC means that the absolute emissivity of the supernova photosphere was like that of a blackbody. This result lends weight to a supernova-based extragalactic distance scale, H0 ≈ 60 km s-1Mpc-1.

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