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

[vsnet-chat 8866] ZTF18abrxtii: eclipsing polar
by Taichi Kato 21 Sep '21

21 Sep '21

ZTF18abrxtii: eclipsing polar From ZTF data. Porb = 0.0699896(1) d. Eclipse epoch: BJD 2458721.295. Eclipses were too deep to be recorded by ZTF.

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[vsnet-chat 8865] ZTF18abbywzz: NL+E
by Taichi Kato 21 Sep '21

21 Sep '21

ZTF18abbywzz: NL+E From ZTF data. Eclipse in time-resolved data.

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[vsnet-chat 8864] ZTF18abcbzzd: VY Scl
by Taichi Kato 21 Sep '21

21 Sep '21

ZTF18abcbzzd: VY Scl From ZTF data. Low state in late 2018.

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[vsnet-chat 8863] ZTF18ablraho: dwarf nova
by Taichi Kato 21 Sep '21

21 Sep '21

ZTF18ablraho: dwarf nova From ZTF data (cycle length about 10 d). There are some fainter points and may be eclipsing.

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[vsnet-chat 8862] ZTF18abtuuaf: Z Cam star
by Taichi Kato 21 Sep '21

21 Sep '21

ZTF18abtuuaf: Z Cam star From ZTF data. Dwarf nova state in 2019 (cycle length 10 d). NL (standstill, but bright) state otherwise.

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[vsnet-chat 8861] Lanning290 = ZTF18abtzeax: AM+E
by Taichi Kato 21 Sep '21

21 Sep '21

Lanning290 = ZTF18abtzeax: AM+E From ZTF data. Porb=0.0627089(1) d. Eclipse epoch: BJD 2458836.6595. Too faint for NL and the eclipse profile looks diskless.

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[vsnet-chat 8860] Re: ATO J055.6444+50.2662, what is it?
by Taichi Kato 16 Sep '21

16 Sep '21

Re: ATO J055.6444+50.2662, what is it? > But what type of YSO could have such periodic variability? Could it be a binary + disk, like KH15D = V582 Mon?

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[vsnet-chat 8859] Re: Gaia18bzi, what is this?
by Taichi Kato 16 Sep '21

16 Sep '21

Re: Gaia18bzi, what is this? The light curve indeed looks like that of a SN. (Dwarf nova with a very long orbital period may not be excluded).

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[vsnet-chat 8858] MGAB-V806: IW And+E
by Naoto Kojiguchi 15 Sep '21

15 Sep '21

MGAB-V806: IW And+E ZTF and TESS data. Porb=0.20608711(1) d. Eclipse epoch: BJD 2458437.62919(4), depth 1.5 mag.

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[vsnet-chat 8857] ZTFJ190328.06+270943.5: NL
by Taichi Kato 15 Sep '21

15 Sep '21

ZTFJ190328.06+270943.5: NL Type from ZTF data. 190328.0 +270943 (2000.0) Gaia_DR2_2036971188845710336 group_C4a g=15.667(0.136) Mowlavi2020 190328.0 +270943 (2000.0) ZTFJ190328.06+270943.5 susp g=15.988 r=15.982 amp=0.405 P=314.7886200 logfalse=-4.794 190328.0 +270943 (2000.0) ZTFJ190328.07+270943.5 g=15.988 (15.718-16.352) P=0.7472 190328.0 +270943 (2000.0) Gaia_DR2_2036971188845710336 group_C4a g=15.667(0.136) Mowlavi2020 190328.067 +270943.44 (2000.0) Gaia_DR2_2036971188845710464 plx=0.498(0.034) dismod=11.5 pmra=-1.896(0.047) pmdec=-8.118(0.056) G=15.667 BP=15.719 RP=15.458 190328.067 +270943.44 (2000.0) Gaia_EDR3_2036971188845710464 plx=0.538(0.026) dismod=11.3 pmra=-1.912(0.021) pmdec=-8.092(0.028) G=15.615 BP=15.700 RP=15.432

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vsnet-chat September 2021