[vsnet-alert 24753] SDSS J152212.20+080340.9: likely an SU UMa-type dwarf nova

[Patrick Schmeer pasc1312-aavso@yahoo.de via vsnet-alert]

SDSS J152212.20+080340.9  (UGSU:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=185647

Complete 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/light_curves/89986ae5-bf28-4567-8a1c-21841389fdef

Zwicky Transient Facility (ZTF) light curve:
https://lasair.roe.ac.uk/object/ZTF19aavnzxp/
 
Gaia (Photometric) Science Alerts data:
http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia20eoa/

This is likely an SU UMa-type dwarf nova, undergoing long and very
short outbursts. Recent examples (from ASAS-SN, ZTF, and Gaia data):
1) 2016 May 23 - June 3
2) 2017 July 30 - August 11
3) 2018 March 13-15
4) 2019 May 29-31
5) 2019 August 13
6) 2020 September 29
#1 and #2 look like superoutbursts, #3-5 like normal outbursts.

Previous outbursts had been recorded on 2003 April 13 (NEAT),
2007 June 5 and 2013 January 22 (both by the Catalina Sky Survey).

For the "UGSU:" classification of SDSS J152212.20+080340.9 see also
https://ui.adsabs.harvard.edu/abs/2012PASJ...64...63K/abstract

Time-resolved photometry is encouraged.

Clear skies,
Patrick