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

[vsnet-chat 9259] PS1-3PIJ211449.81+444451.9 = IPHASJ211449.81+444451.9: IW And star with a single known deep dip
by Taichi Kato 05 Nov '22

05 Nov '22

PS1-3PIJ211449.81+444451.9 = IPHASJ211449.81+444451.9: IW And star with a single known deep dip According to the ZTF data, this object (Fratta et al., arXiv:2211.01694) is usually a heartbeat-type IW And star with a single very deep (19.2 mag) in 2019 Oct. following an outburst.

1 0

[vsnet-chat 9258] VSOLJ Variable star bulletin No.103
by meineko 19 Oct '22

19 Oct '22

New issue of VSOLJ Variable star bulletin is now available at following URL. http://vsolj.cetus-net.org/bulletin.html No.103 2022 Oct. The TESS light curves of three short period Algol-type systems; X Tri is a real pulsator. Shin-ya Narusawa and Kazuo Nagai Seiichiro Kiyota, VSOLJ

1 0

[vsnet-chat 9257] ZTF18abtbrfb: polar below the period minimum?
by Taichi Kato 12 Oct '22

12 Oct '22

ZTF18abtbrfb: polar below the period minimum? Using ZTF data, I obtained a period of 0.0335541(1) d (single peak, amplitude 1.0 mag). Although the double period is acceptable, the two peaks look too much alike.

1 0

[vsnet-chat 9256] HO Ori = V694 Ori
by Taichi Kato 30 Sep '22

30 Sep '22

HO Ori = V694 Ori According to https://ui.adsabs.harvard.edu/abs/1962MmSAI..32..297R/abstract Table V. The given location matches that of V694 Ori. Locations of other objects in this table are generally good.

1 0

[vsnet-chat 9254] NSV 8718 = TerzV291: SR
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8718 = TerzV291: SR 172805.8 -292629 (2000.0) Gaia_DR3_4059471318588585600 LPV (score=0.85) 172805.8 -292629 (2000.0) Gaia_DR3_4059471318588585600 vtype=LPV P=--(--) amp=-- 172805.8 -292629 (2000.0) OGLE-BLG-LPV-006809 SR 14.016Ic(0.148Ic) P=76.25d

1 0

[vsnet-chat 9253] NSV 8708 = TerzV284
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8708 = TerzV284 172759.0 -293349 (2000.0) Gaia_DR3_4059469497519192960 LPV (score=0.90) 172759.0 -293349 (2000.0) Gaia_DR3_4059469497519192960 vtype=LPV P=480.546(320.627) amp=0.174845

1 0

[vsnet-chat 9252] NSV 8705 = TerzV281: Mira
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8705 = TerzV281: Mira 172758.6 -295531 (2000.0) Gaia_DR3_4058673421155682176 LPV (score=0.91) 172758.6 -295531 (2000.0) Gaia_DR3_4058673421155682176 vtype=LPV P=202.356(9.9123) amp=0.771839 172758.6 -295531 (2000.0) OGLE-BLG-LPV-238986 M I=12.704(1.735) V=17.869 P=204.7

1 0

[vsnet-chat 9255] NSV 8700 = TerzV275
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8700 = TerzV275 Could be this one? (Mira) 172752.2 -293951 (2000.0) OGLE-BLG-LPV-006552 M 13.929Ic(2.383Ic) P=497.5d 172752.2 -293952 (2000.0) Gaia_DR3_4058716542638645760 LPV (score=0.91) 172752.2 -293952 (2000.0) Gaia_DR3_4058716542638645760 vtype=LPV P=518.848(43.8612) amp=1.039072

1 0

[vsnet-chat 9251] NSV 8696 = TerzV270
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8696 = TerzV270 172747.3 -300431 (2000.0) Gaia_DR3_4058665621492729984 LPV (score=0.54) 172747.3 -300431 (2000.0) Gaia_DR3_4058665621492729984 vtype=LPV P=60.0131(3.70113) amp=0.153962

1 0

[vsnet-chat 9250] NSV 8682 = TerzV256: Mira
by Taichi Kato 29 Sep '22

29 Sep '22

NSV 8682 = TerzV256: Mira 172730.0 -292538 (2000.0) Gaia_DR3_4059474999396253312 LPV (score=0.97) 172730.0 -292538 (2000.0) Gaia_DR2_4059474999396253312 GaiaLPV P=316.96 172730.0 -292538 (2000.0) OGLE-BLG-LPV-238807 M I=12.764(2.358) V=18.449 P=313.1

1 0