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Recurrent Nova M31N 2008-12a: Multi-color optical photometric observations of the 2019 eruption with SARA-KPNO

ATel #13302; A. Kaur (PSU), M. Rajagopal, D. H. Hartmann (Clemson University) , A. Lovell, K. Patterson (ASC), W. Keel (UA), G. Henson (ETSU), M. J. Darnley (LJMU) (on behalf of a larger collaboration)
on 21 Nov 2019; 16:44 UT
Distributed as an Instant Email Notice Novae
Credential Certification: Amanpreet Kaur (auk971@psu.edu)

Subjects: Optical, Nova

We report optical photometric observations of the 2019 eruption (see ATels #13269, #13273, #13279, #13281,#13290) of the recurrent nova M31N 2008-12a (Henze et al. 2014, 2015a, 2015b,2018; Darnley et al. 2014, 2015, 2016). The data were obtained between 2019 Nov 7.0 UT - Nov 08.0 UT with the 0.9 m SARA telescopes equipped with ARC CCD camera (Keel et al. 2017, located at the Kitt Peak National Observatory (SARA-KPNO), Arizona. The exposure times were 5 minutes each in BESSEL filters; B, V, R and I and data were taken during non-photometric conditions. The derived magnitudes were calibrated with the standard stars in the field of this nova.

Optical Observations with KPNO
2018 UT Magnitude Filter
Nov 07.0956 18.34± 0.16 B
Nov 07.099 18.28± 0.08 V
Nov 07.103 18.36± 0.08 R
Nov 07.106 18.43± 0.07 I
Nov 07.110 18.53± 0.11 B
Nov 07.114 18.51± 0.09 V
Nov 07.118 18.26± 0.05 R
Nov 07.121 18.41± 0.04 I
Nov 07.125 18.52± 0.08 B
Nov 07.129 18.50± 0.04 V
Nov 07.132 18.14± 0.03 R
Nov 07.136 18.44± 0.04 I
Nov 07.141 18.63± 0.07 B
Nov 07.144 18.46± 0.04 V
Nov 07.148 18.12± 0.03 R
Nov 07.152 18.18± 0.03 I
Nov 07.156 18.63± 0.06 B
Nov 07.159 18.35± 0.04 V
Nov 07.163 18.18± 0.03 R
Nov 07.167 18.31± 0.03 I
Nov 08.067 19.754± 0.45 V
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