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[vsnet-chat 9038] SDSS J162608.16+332827.8: period
by Taichi Kato 30 Mar '22

30 Mar '22

SDSS J162608.16+332827.8: period P=0.0660891(4) d from ZTF data. Single maximum per period.

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[vsnet-chat 9037] ZTF18abmpkbj: likely ER UMa + Z Cam
by Taichi Kato 30 Mar '22

30 Mar '22

ZTF18abmpkbj: likely ER UMa + Z Cam From ZTF data. Entered a standstill in 2021 Sep.

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[vsnet-chat 9036] DDE 37: polar
by Taichi Kato 30 Mar '22

30 Mar '22

DDE 37: polar From ZTF data. Porb = 0.0731854(4) d. Low and high states. Stronger and weaker poles.

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[vsnet-chat 9035] 1RXS J234500.2+342913: eclipsing polar
by Taichi Kato 30 Mar '22

30 Mar '22

1RXS J234500.2+342913: eclipsing polar From ZTF data. Porb = 0.1300449(4) d. Eclipses are more than 2 mag deep.

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[vsnet-chat 9034] RX J2133.7+5107: VY Scl star
by Taichi Kato 30 Mar '22

30 Mar '22

RX J2133.7+5107: VY Scl star From ZTF data. Faint states in 2020 Apr. and 2021 Apr. Small outbursts late in 2020 (suggestion of an IW And star?).

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[vsnet-chat 9033] Karachurin14: Z Cam + VY Scl
by Taichi Kato 29 Mar '22

29 Mar '22

Karachurin14: Z Cam + VY Scl ASAS-SN data: https://asas-sn.osu.edu/sky-patrol/coordinate/c6f8014a-9a0f-498c-8fa6-8a941…

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[vsnet-chat 9032] LAMOSTJ051254.04+310239.2: IW And star
by Taichi Kato 29 Mar '22

29 Mar '22

LAMOSTJ051254.04+310239.2: IW And star From ZTF data. IW And phenomena since the end of 2019.

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[vsnet-chat 9031] LAMOSTJ024621.48+271053.3: period
by Taichi Kato 29 Mar '22

29 Mar '22

LAMOSTJ024621.48+271053.3: period Using the ZTF data, I obtained a period of 0.150379(3) d. Nearly sinusoidal and amplitude 0.10 mag.

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[vsnet-chat 9030] KLK-32: basically R+E with variation outside eclipses
by Taichi Kato 29 Mar '22

29 Mar '22

KLK-32: basically R+E with variation outside eclipses From ZTF data. Min.BJD = 2458639.8526(1) + 0.0895242(2) E Brightness outside eclipses vary (sometimes bright up to 1 mag as on 2018 July 6).

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[vsnet-chat 9029] VSOLJ Variable Star Bulletin No.97
by meineko 26 Mar '22

26 Mar '22

VSOLJ Variable Star Bulletin No.97VSOLJ Variable Star Bulletin No.97 is available at http://vsolj.cetus-net.org/bulletin.html No.97 Gaia22ayj: outburst from a deeply eclipsing 9.36-min binary? Taichi Kato ----------------- Seiichiro Kiyota VSOLJ

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