November 2022 - vsnet-newvar - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-newvar 9490] CRTS J231552.3+271037 possible superoutburst
by Taichi Kato 08 Nov '22

08 Nov '22

CRTS J231552.3+271037 possible superoutburst Suspected type from ZTF data (based on the presence of a few short outbursts). YYYYMMDD(UT) mag observer 20221019.1704 19.282zr (ZTF Alert DC mag (Masci+ 2019)) 20221021.1533 19.051zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.2657 17.667zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.3003 17.548zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.2562 15.604zr (ZTF Alert DC mag (Masci+ 2019)) 20221029.3318 15.362zg (ZTF Alert DC mag (Masci+ 2019)) 20221031.1314 15.052zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9489] ASASSN-22nf long outburst with precursor?
by Taichi Kato 08 Nov '22

08 Nov '22

ASASSN-22nf long outburst with precursor? SU UMa star? YYYYMMDD(UT) mag observer 20221022.1296 16.228zr (ZTF Alert DC mag (Masci+ 2019)) 20221022.1725 16.574zg (ZTF Alert DC mag (Masci+ 2019)) 20221025.2254 18.632zg (ZTF Alert DC mag (Masci+ 2019)) 20221027.1250 17.164zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.1537 17.606zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.1745 16.261zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1114 16.307zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1625 16.820zg (ZTF Alert DC mag (Masci+ 2019)) 20221105.1120 16.532zr (ZTF Alert DC mag (Masci+ 2019)) 20221105.1558 17.039zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9488] ASASSN-14jx long outburst
by Taichi Kato 08 Nov '22

08 Nov '22

ASASSN-14jx long outburst The long outburst in 2021 June had a separate precursor. Might be an SU UMa star. YYYYMMDD(UT) mag observer 20221015.5012 <155c (Yutaka Maeda) 20221019.1664 18.654zr (ZTF Alert DC mag (Masci+ 2019)) 20221019.4683 <163c (Yutaka Maeda) 20221021.1986 18.632zg (ZTF Alert DC mag (Masci+ 2019)) 20221024.4708 <158c (Yutaka Maeda) 20221025.1276 16.324zr (ZTF Alert DC mag (Masci+ 2019)) 20221025.2278 16.040zg (ZTF Alert DC mag (Masci+ 2019)) 20221025.5002 <160c (Yutaka Maeda) 20221027.1409 16.076zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.1997 15.888zg (ZTF Alert DC mag (Masci+ 2019)) 20221028.5051 <154c (Yutaka Maeda) 20221029.1397 16.171zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.2396 16.348zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1414 16.655zr (ZTF Alert DC mag (Masci+ 2019)) 20221102.4884 <158c (Yutaka Maeda) 20221103.4582 <160c (Yutaka Maeda) 20221104.4906 <158c (Yutaka Maeda) 20221105.1249 16.907zr (ZTF Alert DC mag (Masci+ 2019)) 20221105.1728 16.858zg (ZTF Alert DC mag (Masci+ 2019)) 20221105.4862 <150c (Yutaka Maeda)

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[vsnet-newvar 9487] MASTER OT J001204.00-412337.4 eighth rebrightening
by Taichi Kato 08 Nov '22

08 Nov '22

MASTER OT J001204.00-412337.4 eighth rebrightening According to the data by Josch Hambsch, this object showed another rebrightening on Oct. 31-Nov. 1. The interval between the 7th and 8th rebrightenings twice longer than before.

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[vsnet-newvar 9486] ASASSN-22mr: start of long rebrightening
by Taichi Kato 08 Nov '22

08 Nov '22

ASASSN-22mr: start of long rebrightening According to the data by Josch Hambsch, this object experienced a dip from Oct. 30 to Nov. 1, then rebrightened. The rebrightening appears to be a long one such as in WZ Sge.

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[vsnet-newvar 9485] TCP J02194236+3735540 fading rapidly
by Taichi Kato 07 Nov '22

07 Nov '22

TCP J02194236+3735540 fading rapidly Discovered already near the end of the supposed superoutburst? YYYYMMDD(UT) mag observer 20221030.2954 15.729zr (ZTF Alert DC mag (Masci+ 2019)) 20221030.3812 15.300zg (ZTF Alert DC mag (Masci+ 2019)) 20221101.4720 15.94C (Masayuki Moriyama) 20221101.4741 15.75:V (Masayuki Moriyama) 20221102.6533 16.13C (Masayuki Moriyama) 20221103.6377 16.29C (Masayuki Moriyama) 20221104.6744 178:C (Masayuki Moriyama) 20221105.585 <189C (Hiroshi Itoh)

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[vsnet-newvar 9484] PS1-3PIJ211449.81+444451.9 = IPHASJ211449.81+444451.9: IW And star with a single known deep dip
by Taichi Kato 05 Nov '22

05 Nov '22

PS1-3PIJ211449.81+444451.9 = IPHASJ211449.81+444451.9: IW And star with a single known deep dip According to the ZTF data, this object (Fratta et al., arXiv:2211.01694) is usually a heartbeat-type IW And star with a single very deep (19.2 mag) in 2019 Oct. following an outburst.

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[vsnet-newvar 9483] ZTF18aczbcqy possible superoutburst
by Taichi Kato 05 Nov '22

05 Nov '22

ZTF18aczbcqy possible superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221029.2460 17.523zr (ZTF Alert DC mag (Masci+ 2019)) 20221029.3289 17.482zg (ZTF Alert DC mag (Masci+ 2019)) 20221031.1333 17.751zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9482] ZTF18abvarea possible superoutburst
by Taichi Kato 05 Nov '22

05 Nov '22

ZTF18abvarea possible superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221025.2084 16.255zg (ZTF Alert DC mag (Masci+ 2019)) 20221027.1671 16.452zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.1850 16.451zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1228 16.788zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1524 16.895zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-newvar 9481] MGAB-V672 possible superoutburst
by Taichi Kato 05 Nov '22

05 Nov '22

MGAB-V672 possible superoutburst Type from ZTF data. Short supercycle (100-200 d) and another superoutburst is due. YYYYMMDD(UT) mag observer 20221030.4250 16.524zg (ZTF Alert DC mag (Masci+ 2019)) 20221030.4791 16.438zr (ZTF Alert DC mag (Masci+ 2019))

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