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

[vsnet-newvar 9189] MGAB-V1257: polar
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V1257: polar From ZTF data (Lasair). I could not confirm the period of 0.0496575 d. I detected a period of 0.0551392(2) d. High and low state. The object appears to be very faint except during a single hump per period.

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[vsnet-newvar 9188] MGAB-V235: IW And star
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V235: IW And star From ZTF data. Typical IW And in 2019 and early 2020.

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[vsnet-newvar 9187] MGAB-V239: eclipsing polar
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V239: eclipsing polar From ZTF data. Porb=0.0587465(1) d. Deep eclipses of 2.0 mag.

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[vsnet-newvar 9186] MGAB-V280: Z Cam (likely IW And) + E
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V280: Z Cam (likely IW And) + E From ZTF data. Porb=0.1531582(3) d. IW And-like state (outbursts in standstill) in 2019.

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[vsnet-newvar 9185] MGAB-V298: AM CVn-type dwarf nova
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V298: AM CVn-type dwarf nova From ZTF data. Superoutbursts with multiple short rebrightenings on long fading tail. Shortest interval about 300 d.

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[vsnet-newvar 9184] MGAB-V301: SU UMa star
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V301: SU UMa star From ZTF data. Clear superhumps on 2018 Aug. 15.

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[vsnet-newvar 9183] MGAB-V310: UGSS+E
by Taichi Kato 06 Apr '22

06 Apr '22

MGAB-V310: UGSS+E From ZTF data. Porb=0.1641594(3) d.

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[vsnet-newvar 9182] ZTF19aatvsho: polar
by Taichi Kato 05 Apr '22

05 Apr '22

ZTF19aatvsho: polar From ZTF data. Porb=0.0760621(1) d. Two maxima per cycle.

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[vsnet-newvar 9181] 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-newvar 9180] 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-newvar April 2022