[vsnet-campaign-dn 15607] CRTS J102842.9-081927 outburst

Tue Apr 20 16:24:31 JST 2021

 CRTS J102842.9-081927 (UGSU, EI Psc star)
https://www.aavso.org/vsx/index.php?view=detail.top&oid=225699

Zwicky Transient Facility (ZTF) light curve and data:
https://lasair.roe.ac.uk/object/ZTF18acvvypr/
CRTSJ102842.9-081927 20210418.1902 <18.39zg ZTF
CRTSJ102842.9-081927 20210420.1695 15.67zg ZTF
CRTSJ102842.9-081927 20210420.2111 15.74zr ZTF

Recent ASAS-SN Sky Patrol light curve and data:
https://asas-sn.osu.edu/sky-patrol/coordinate/bee8b0cc-6145-41a9-b613-4cceb08b3e6b
CRTSJ102842.9-081927 20210418.307 <17.16g ASN
CRTSJ102842.9-081927 20210420.254 15.39g ASN
CRTSJ102842.9-081927 20210420.255 15.30g ASN
CRTSJ102842.9-081927 20210420.256 15.55g ASN

The most recently recorded superoutburst was observed from
2020 February 18 to March 3.
The most recently recorded normal outburst was observed on
2021 March 17.

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
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     Am Donnerstag, 18. März 2021, 01:24:55 MEZ hat Taichi Kato <tkato at kusastro.kyoto-u.ac.jp> Folgendes geschrieben:  

 CRTS J102842.9-081927 outburst

  EI Psc star (known SU UMa star).  This outburst is not
bright enough, but a superoutburst is expected around
now or soon.

  YYYYMMDD(UT)  mag  observer
  20210303.2309 19.544zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210307.2327 19.599zg  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210317.2535 15.817zr  (Zwicky Transient Facility Lasair (Masci+ 2019))
  20210317.2944 15.613zg  (Zwicky Transient Facility Lasair (Masci+ 2019))

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