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[vsnet-chat 8823] ZTF18aaakvdk: deeply eclipsing polar
by Taichi Kato 07 Sep '21

07 Sep '21

ZTF18aaakvdk: deeply eclipsing polar From ZTF data. Porb=0.0602840(1) d. Short, deep eclipses (1.4 mag). Approximate epoch BJD 2458754.802. The long-term light variation, low luminosity and red color support the polar classification. 2MASS 044925.788 +563930.63 (2000.0) 16.863 15.860 15.830 044925.6 +563931 (2000.0) ZTFJ044925.70+563931.2 r=19.490 (18.119-20.799) P=0.0603 044925.671 +563931.41 (2000.0) Gaia_DR2_274670550218199552 plx=2.728(0.686) dismod=7.8 pmra=8.495(1.132) pmdec=1.726(0.829) G=19.357 BP=19.538 RP=18.019 044925.767 +563930.43 (2000.0) Gaia_DR2_274670545924226560 plx=1.086(0.833) dismod=9.8 pmra=-3.974(1.138) pmdec=-7.457(1.028) G=20.040 BP=19.893 RP=18.330 044925.672 +563931.41 (2000.0) Gaia_EDR3_274670550218199552 plx=2.100(0.378) dismod=8.4 pmra=6.800(0.648) pmdec=1.679(0.374) G=19.242 BP=19.448 RP=18.055 044925.767 +563930.43 (2000.0) Gaia_EDR3_274670545924226560 plx=2.297(0.686) dismod=8.2 pmra=-3.499(0.877) pmdec=-7.294(0.667) G=19.982 BP=20.191 RP=18.438

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[vsnet-chat 8822] MGAB-V737: Z Cam star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V737: Z Cam star ZTF data. Long standstill in 2020.

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[vsnet-chat 8821] MGAB-V729: likely ER UMa star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V729: likely ER UMa star ZTF data. Supercycle about 40 d at least in 2018-2019.

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[vsnet-chat 8820] MGAB-V696: Z Cam star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V696: Z Cam star ZTF data. Standstills in 2020 Feb., 2021 Jan. etc.

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[vsnet-chat 8819] MGAB-V681: Z Cam star (likely IW And)
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V681: Z Cam star (likely IW And) ZTF data. Standstill in 2021 Jan.-Mar with small brightenings. Deep dips were present.

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[vsnet-chat 8818] MGAB-V671: Z Cam star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V671: Z Cam star ZTF data. Standstill in 2019 May-Dec.

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[vsnet-chat 8817] MGAB-V604: NL+E
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V604: NL+E ZTF data. Porb=0.2220931(3) d. Eclipses are nearly 4 mag deep. Weak orbital humps.

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[vsnet-chat 8816] MGAB-V579: Z Cam star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V579: Z Cam star ZTF data. Standstill in 2020 Sep.-2021 Feb.

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[vsnet-chat 8815] MGAB-V507: SU UMa star with unusual activity
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V507: SU UMa star with unusual activity ZTF time-resolved data recorded superhumps on 2018 Aug. 7 and 8. The period appears to be short (about 0.05 d). Dip in superoutburst in 2019 July. The object may be an EI Psc star.

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[vsnet-chat 8814] MGAB-V481: SU UMa star
by Taichi Kato 02 Sep '21

02 Sep '21

MGAB-V481: SU UMa star ZTF time-resolved data recorded superhumps on 2018 Aug. 17 and 18.

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