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

[vsnet-chat 9269] ZTF18abuurtt (polar): Porb
by Taichi Kato 16 Nov '22

16 Nov '22

ZTF18abuurtt (polar): Porb Porb = 0.0829023(1) d. Complex double hump. Full amplitude 1.5 mag.

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[vsnet-chat 9268] ZTFJ073331.96-054735.6 = ZTF18acrvfna (polar): Porb
by Taichi Kato 16 Nov '22

16 Nov '22

ZTFJ073331.96-054735.6 = ZTF18acrvfna (polar): Porb Porb = 0.1541089(8) d. Single hump per period. 0.4-0.5 mag amplitude.

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[vsnet-chat 9267] ZTF19aarsrls = Gaia19cix
by Taichi Kato 16 Nov '22

16 Nov '22

ZTF19aarsrls = Gaia19cix

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[vsnet-chat 9266] ZTFJ013319.20+083725.5 = ZTF17aacpvmc: Porb (eclipsing polar)
by Taichi Kato 16 Nov '22

16 Nov '22

ZTFJ013319.20+083725.5 = ZTF17aacpvmc: Porb (eclipsing polar) From ZTF data. Porb = 0.0680639(1) d. Deep eclipses (more than 1.5 mag). Two maxima per period.

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[vsnet-chat 9265] ZTF18acqxpha: Porb (polar)
by Taichi Kato 15 Nov '22

15 Nov '22

ZTF18acqxpha: Porb (polar) From ZTF data. Porb = 0.0669152(1) d. Single maximum per orbit. 1.9 mag amplitude.

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[vsnet-chat 9264] ASASSN-20bc: UGSU:+E
by Taichi Kato 15 Nov '22

15 Nov '22

ASASSN-20bc: UGSU:+E From ZTF data. Eclipsing with Porb=0.0602790(1) d.

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[vsnet-chat 9263] SDSS J090113.51+144704.6: Z Cam
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J090113.51+144704.6: Z Cam From ZTF data. Dwarf nova state in late 2020-early 2021.

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[vsnet-chat 9262] SDSS J094558.24+292253.2: Porb
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J094558.24+292253.2: Porb From ZTF data. Porb=0.2467188(9) d. Double-wave large-amplitude peaks (full amplitude of 0.4 mag). Depths of minima differ and the half period is unlikely. Slightly eclipsing? M_V suggests a quiescent dwarf nova with a low Mdot.

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[vsnet-chat 9261] SDSS J115836.60+035547.3: VY Scl
by Taichi Kato 14 Nov '22

14 Nov '22

SDSS J115836.60+035547.3: VY Scl From ZTF data. Deep low state in late 2019-early 2020.

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[vsnet-chat 9260] CH Her: SU UMa star?
by Taichi Kato 12 Nov '22

12 Nov '22

CH Her: SU UMa star? ZTF data look like that of an SU UMa star with supercyccles of 130-160 d. The 2022 Sep.-Oct. outburst appears to have been a superoutburst YYYYMMDD(UT) mag observer 20220920.1748 19.641zr (ZTF Alert DC mag (Masci+ 2019)) 20220920.5144 <148c (Yutaka Maeda) 20220922.1615 19.333zr (ZTF Alert DC mag (Masci+ 2019)) 20220922.1716 20.380zg (ZTF Alert DC mag (Masci+ 2019)) 20220924.1567 14.948zr (ZTF Alert DC mag (Masci+ 2019)) 20220924.2288 14.653zg … [View More]

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vsnet-chat November 2022