[vsnet-campaign-dn 15707] ASASSN-19sg outburst (eclipsing, likely SU UMa)

Taichi Kato tkato at kusastro.kyoto-u.ac.jp
Mon May 17 08:13:45 JST 2021


ASASSN-19sg outburst (eclipsing, likely SU UMa)

http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia21cjb/
Gaia21cjb	AT2021mna	2021-05-14 14:07:06	293.62704	2.01950	16.15	18.83	0.22	unknown	2021-05-16 17:23:44	outburst in candidate CV

   ZTF data recorded eclipses.  On 2018 Aug. 10, a deep
eclipse with a duration less than 10 min was recorded.
The short duration of the eclipse suggests a system
below the period gap.  A long outburst (likely superoutburst)
was recorded in 2019 July-Aug.

2MASS 193430.464 +020110.26 (2000.0) 15.599 15.373 15.071 
193430.4 +020110 (2000.0) ZTFJ193430.48+020110.3 r=18.716 (15.982-19.534) P=0.0168 
193430.483 +020110.25 (2000.0) Gaia_DR2_4288093870860070272 plx=2.497(0.297) dismod=8.0 pmra=19.021(0.518) pmdec=-2.936(0.506) G=18.755 BP=19.190 RP=18.005
193430.484 +020110.25 (2000.0) Gaia_EDR3_4288093870860070272 plx=2.612(0.246) dismod=7.9 pmra=18.519(0.229) pmdec=-3.147(0.213) G=18.693 BP=19.214 RP=18.024



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