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Optical follow-up of SN 2017eaw

ATel #10401; P. D'Avanzo, A. Wolter (INAF-OAB), F. Della Penna, S. Garofolo, F. Monteverdi, B. E. Moreschi, A. Prato, M. Salimbeni, M. Zizioli (University of Milan) and M. Bersanelli (University of Milan) S. Covino (INAF-OAB), M. Tomasi (University of Milan)
on 19 May 2017; 08:52 UT
Credential Certification: Paolo D'Avanzo (paolo.davanzo@brera.inaf.it)

Subjects: Optical, Supernovae, Transient

We carried out optical follow-up of the Type II supernova 2017eaw in the nearby galaxy NGC 6946 (ATel #10372, #10374, #10376, #10377) with the 1.3m Ruths telescope of the INAF-Brera Astronomical Observatory sited in Merate (Lecco, Italy) equipped with an SBIG STL-1001E CCD. The observations, carried out under clear sky and seeing of ~ 3", were taken as part of the Astronomy II classes of the Physics Department of the University of Milan.

The supernova is clearly detected. We measure a magnitude of B = 13.12 +/- 0.06 (Vega) on May 15 2017 at 21:43:52 UT. The photometric calibration was performed assuming B = 13.80 mag for the star located at RA(J2000), Dec(J2000): 20:34:47.05, +60:12:07.2 (as reported in the APASS catalogue).