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Prediscovery Observations of SN 2014J in M82 from the Antarctic Survey Telescope

ATel #5794; Bin Ma, Peng Wei (National Astronomical Observatories , CAS), Zhaohui Shang (Tianjin Normal Univ.), Lifan Wang (Purple Mountain Observatory), Xiaofeng Wang (Tsinghua Univ.), on behalf of the Chinese Antarctic Survey Collaboration
on 23 Jan 2014; 13:39 UT
Credential Certification: Bin Ma (mabin22@gmail.com)

Subjects: Optical, Supernovae

We report the detections of type Ia supernova 2014J (in M82) obtained during Jan. 11-19 UT with the 0.5-m Antarctic Survey Telescope (AST) installed in Mohe, China for test observations. The unfiltered CCD magnitudes were >17.8 on Jan 11.859 UT, 14.38 on Jan 15.827, 13.12 on 17.690, and 11.97 on 19.832.

SN2014J in our images