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Density profiles of suspected optical counterparts of gamma‐ray bursts
Author(s) -
Greiner J.,
Lorenz H.,
Richter G. M.
Publication year - 1987
Publication title -
astronomische nachrichten
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.394
H-Index - 63
eISSN - 1521-3994
pISSN - 0004-6337
DOI - 10.1002/asna.2113080209
Subject(s) - photometry (optics) , physics , sky , astrophysics , stars , magnitude (astronomy) , astronomy , apparent magnitude , optics
Four suspected optical flashes on archival plates with coordinates within or near to the error boxes of gamma‐ray bursts, respectively, are investigated by surface photometry, Their density profiles are shown to be consistent with that of stars of similar magnitude. Hence, the suspected flashes are not likely to be plate defects but real objects on the sky.