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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 15 Sep '21

15 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 8856] GSC4434.1625: R
by Taichi Kato 15 Sep '21

15 Sep '21

GSC4434.1625: R P=0.336693(5) d from ZTF data. GSC4434.1625 184244.87 +695620.0 (2000.0) 15.34 1 2MASS 184245.068 +695620.22 (2000.0) 15.798 16.000 15.936 184245.0 +695620 (2000.0) ZTFJ184245.04+695620.1 susp g=15.078 r=15.489 amp=0.139 P=0.3367500 logfalse=-4.860 184245.0 +695620 (2000.0) ZTFJ184245.05+695620.1 r=15.490 (15.320-15.586) P=0.3367 184245.049 +695620.01 (2000.0) Gaia_DR2_2259393595039224960 plx=0.595(0.051) dismod=11.1 pmra=-1.879(0.092) pmdec=-4.304(0.092) G=15.243 BP=15.051 RP=15.435 184245.049 +695620.00 (2000.0) Gaia_EDR3_2259393595039224960 plx=0.619(0.041) dismod=11.0 pmra=-1.952(0.047) pmdec=-4.334(0.061) G=15.237 BP=15.108 RP=15.453

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[vsnet-chat 8855] WISEJ003429.0+733329: R
by Taichi Kato 15 Sep '21

15 Sep '21

WISEJ003429.0+733329: R P=0.291987(2) d from ZTF data. 2MASS 003429.011 +733330.17 (2000.0) 14.688 14.669 14.541 003429.0 +733329 (2000.0) PS1RRJ003429.02+733330.0 RR g=13.34(1.33) P=0.73557 0.25/0.03 003429.0 +733330 (2000.0) Gaia_DR2_537040928284437632 group_C2 g=14.616(0.088) Mowlavi2020 003429.0 +733330 (2000.0) ZTFJ003429.03+733330.0 susp g=14.591 r=14.776 amp=0.184 P=0.2920100 logfalse=-4.952 003429.0 +733330 (2000.0) ZTFJ003429.04+733330.1 r=14.756 (14.303-14.891) P=0.2919 003429.0 +733328 (2000.0) WISEJ003429.0+733329 EW W1=14.294 W2=14.310 amp=0.619 P=0.5839761 003429.0 +733330 (2000.0) Gaia_DR2_537040928284437632 group_C2 g=14.616(0.088) Mowlavi2020 003429.040 +733330.06 (2000.0) Gaia_DR2_537040928284437632 plx=1.251(0.031) dismod=9.5 pmra=5.739(0.057) pmdec=-1.896(0.041) G=14.616 BP=14.603 RP=14.534 003429.040 +733330.05 (2000.0) Gaia_EDR3_537040928284437632 plx=1.293(0.019) dismod=9.4 pmra=5.828(0.019) pmdec=-1.958(0.022) G=14.594 BP=14.612 RP=14.524

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