September 2021 - vsnet-chat - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-chat 8825] BS Tri refined orbital period
by Taichi Kato 08 Sep '21

08 Sep '21

BS Tri refined orbital period From ZTF data. Porb=0.06686876(2) d.

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[vsnet-chat 8824] 1RXS J073346.0+261933 period
by Taichi Kato 08 Sep '21

08 Sep '21

1RXS J073346.0+261933 period P=0.1394770(10) d from ZTF data. One maximum in one orbital cycle.

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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=… [View More]

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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 September 2021