[vsnet-outburst 26736] ASASSN-16dc likely superoutburst (since Feb. 24)

Sat Feb 27 04:13:47 JST 2021

 ASASSN-16dc (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=470071

Zwicky Transient Facility (ZTF) light curve and data:
https://lasair.roe.ac.uk/object/ZTF19aaakzga/
ASASSN-16dc 20210224.211 18.11zg ZTF
ASASSN-16dc 20210226.231 14.55zr ZTF
ASASSN-16dc 20210226.309 14.45zg ZTF

Recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S
and Kochanek et al. 2017PASP..129j4502K) light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/715bc1ca-9041-4635-88ef-2dd0df294b72
ASASSN-16dc 20210224.254 <16.25g ASN
ASASSN-16dc 20210225.257 14.49g ASN

Likely SU UMa-type dwarf nova. No superhump detection has been reported yet.
The previously recorded superoutburst was observed 2019 December 3-15.
The most recently recorded normal outburst was observed 2021 January 6-9.

Time-resolved photometry is urgently required.

Clear skies,
Patrick
-------
     Am Montag, 3. Juni 2019, 02:13:29 MESZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  

 ASASSN-16dc light curve

  The object is most likely an SU UMa star (with a recent
supercycle of 220 d).  The current outburst is a superoutburst.

ASAS-SN data:
https://asas-sn.osu.edu/light_curves/dc4a7a82-d62c-4ee0-9aeb-f270e855be85

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