April 2022 - vsnet-chat - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-chat 9068] ZTF19aarsljl: possible ER UMa + Z Cam
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF19aarsljl: possible ER UMa + Z Cam From ZTF data. Long-lasting superoutbursts in 2020 Nov. and 2021 Apr. Resembles RZ LMi when Mdot increased. Standstill in late 2018-early 2019.

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[vsnet-chat 9067] ZTF19aapqdqv: IW And star
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF19aapqdqv: IW And star From ZTF data. Heartbeat + dip in 2019, 2021. Typical variation in 2020.

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[vsnet-chat 9066] ZTF19aalcbft: NL+E+VY?
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF19aalcbft: NL+E+VY? From ZTF data. Porb=0.0935837(1) d. Shallow low state was present in 2019-2020.

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[vsnet-chat 9065] ZTF18acvsxdl: polar
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF18acvsxdl: polar From ZTF data. Porb=0.1177651(2) d. Single peak per cycle.

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[vsnet-chat 9064] ZTF18acvestb: polar
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF18acvestb: polar From ZTF data. Porb=0.0682403(1) d. Single peak per cycle.

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[vsnet-chat 9063] ZTF18acuhrvm: polar
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF18acuhrvm: polar From ZTF data. Porb=0.0886820(6) d. Single peak per cycle.

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[vsnet-chat 9062] 2MASS J23430113+5214305
by Taichi Kato 05 Apr '22

05 Apr '22

2MASS J23430113+5214305: IW And star From ZTF data. IW And state in 2020 June-Aug. Low-amplitude dwarf nova (heartbeat?) in 2018-2019.

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[vsnet-chat 9061] 1RXS J060033.1-270918: period
by Taichi Kato 05 Apr '22

05 Apr '22

1RXS J060033.1-270918: period From ZTF data. Porb=0.0546529(1) d. Single maximum per cycle.

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[vsnet-chat 9060] Exuzyan4: polar
by Taichi Kato 04 Apr '22

04 Apr '22

Exuzyan4: polar From ZTF data. Porb=0.0682588(1) d. High and low states. Two maxima per cycle.

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[vsnet-chat 9059] DDE 48: ER UMa + Z Cam star
by Taichi Kato 04 Apr '22

04 Apr '22

DDE 48: ER UMa + Z Cam star From ZTF data. Standstill in 2019 Dec.-2020 May. Supercycle 55 d and long superoutbursts. Time-resolved photometry during superoutbursts have not been yet obtained. Bright (15-16 mag) and needs more attention.

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vsnet-chat April 2022