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ROTSE-III observation of an outburst of Dwarf Nova AL Com

ATel #7235; R. Staten, G. Dhungana, F. V. Ferrante, R. Kehoe (Southern Methodist University)
on 17 Mar 2015; 00:03 UT
Credential Certification: Farley Ferrante (fferrante@smu.edu)

Subjects: Optical, Cataclysmic Variable, Nova, Transient, Variables

Referred to by ATel #: 7321

Further to ATel #5670, we report a new outburst of the WZ Sge-type dwarf nova AL Comae Berenices in unfiltered CCD images with the 0.45-m ROTSE-IIIb telescope at McDonald Observatory, Texas. The transient, located at (RA, Dec) = (12:32:25.84, +14:20:42.5) (J2000.0; uncertainty ~ 1"), was observed at 14.30 mag on Mar. 11.22 UT, 14.25 mag on Mar. 12.22 UT, 14.40 mag on Mar. 13.23 UT, 15.00 mag on Mar. 15.23 UT, and 15.90 mag on Mar. 16.23. The limiting magnitude prior to detection was 17.0. Observations are ongoing and a current light curve is available at:

AL Com