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Circular No. 5907
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
Postal Address: Central Bureau for Astronomical Telegrams
Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A.
Telephone 617-495-7244/7440/7444 (for emergency use only)
TWX 710-320-6842 ASTROGRAM CAM EASYLINK 62794505
MARSDEN@CFA or GREEN@CFA (.SPAN, .BITNET or .HARVARD.EDU)


GRO J0422+32
P. Zhao, P. Callanan, M. Garcia, and J. McClintock, Smithsoni-
an Astrophysical Observatory, report: "The x-ray nova GRO J0422+32,
which is currently in outburst (IAUC 5901), continues to brighten
optically. CCD photometry obtained with the F. L. Whipple Observa-
tory's 1.2-m telescope gives the following magnitudes (+/- 0.02):
Dec. 10.35 UT, R = 14.89; 10.47, 14.81; 13.12, R = 14.92, V =
15.21; 14.09, 14.90, 15.16; 14.37, 14.87, 15.13. The nova has
brightened by > 0.5 mag during the past 6 days; it is now brighter
than the reported maximum of the outburst that occurred this past
August (IAUC 5842, 5844)."


1993 December 15 (5907) Daniel W. E. Green