Detection of a very bright source close to the LMC supernova SN 1987A

Details Detection of a very bright source close to the LMC supernova SN 1987A Detection of a very bright source close to the LMC supernova SN 1987A

Sep 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987apj...320l..15n&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor (ISSN 0004-637X), vol. 320, Sept. 1, 1987, p. L15-L18.

Astronomy and Astrophysics

Astrophysics

61

Angular Resolution, Magellanic Clouds, Speckle Interferometry, Supernovae

Scientific paper

High angular resolution observations of the supernova in the Large Magellanic Cloud, SN 1987A, have revealed a bright source separated from the SN by approximately 60 mas with a magnitude difference of 2.7 at 656 nm (H-alpha). Speckle imaging techniques were applied to data recorded with the CfA two-dimensional photon counting detector on the CTIO 4 m telescope on March 25 and April 2 to allow measurements in H-alpha on both nights and at 533 nm and 450 nm on the second night. The nature of this object is as yet unknown, though it is almost certainly a phenomenon related to the SN.

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