[vsnet-outburst 27039] ZTF21aaoiaer (= ASASSN-21cv) fourth rebrightening (Apr. 13)

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

ZTF21aaoiaer = ASASSN-21cv  (UGWZ:)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=2215599

ZTF light curve, data, and images (via Lasair):
https://lasair.roe.ac.uk/object/ZTF21aaoiaer/
ZTF21aaoiaer 20210407.1550 17.20zr ZTF ("difference magnitude" via Lasair)
ZTF21aaoiaer 20210407.1938 17.06zg ZTF ("difference magnitude" via Lasair)
ZTF21aaoiaer 20210413.1594 17.17zr ZTF ("difference magnitude" via Lasair)

Recent ASAS-SN Sky Patrol light curve and data ("contaminated"):
https://asas-sn.osu.edu/sky-patrol/coordinate/59e66698-ebd5-4060-8342-44e10e36f960

AAVSO data (still only two - negative - observations):
https://app.aavso.org/webobs/results/?star=ZTF21aaoiaer
 
The previous rebrightening was observed on 2021 April 7.
 
Clear skies,
Patrick
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References:
All-Sky Automated Survey for Supernovae (ASAS-SN) Sky Patrol:
- Shappee et al., 2014ApJ...788...48S
- Kochanek et al., 2017PASP..129j4502K
Lasair:
- Smith et al., 2019RNAAS...3...26S
Zwicky Transient Facility (ZTF):
- Masci et al., 2019PASP..131a8003M