vsnet-chat May 2022

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

2 participants
26 discussions

[vsnet-chat 9194] RZ Gru: orbital period and shorter period
by Taichi Kato 11 May '22

11 May '22

RZ Gru: orbital period and shorter period From TESS data. Porb=0.4171(7) d. Amplitude 0.02 mag. Another period of 0.027244(4) d was found. This period is directly seen in the light curve (QPOs?)

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[vsnet-chat 9193] VSOLJ variable star bulletin No.101
by meineko 04 May '22

04 May '22

VSOLJ variable star bulletin No.101 is now available at http://vsolj.cetus-net.org/bulletin.html No.100 Negative superhumps in the eclipsing Z Cam + VY Scl star ES Dra T. Kato No.98 was revised. --------------------------- Seiichiro Kiyota VSOLJ

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[vsnet-chat 9192] GSC 7153.1131: orbital period
by Taichi Kato 03 May '22

03 May '22

GSC 7153.1131: orbital period From TESS data. Porb=0.13237(2) d. Single peak 0.013 mag.

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[vsnet-chat 9191] IU Leo: orbital period
by Taichi Kato 03 May '22

03 May '22

IU Leo: orbital period From TESS data. Porb=0.376290(5) d. Ellipsoidal modulation (0.13 mag).

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[vsnet-chat 9190] V374 Lac: orbital period
by Taichi Kato 03 May '22

03 May '22

V374 Lac: orbital period From TESS data. Porb=0.14548(4) d (0.005 mag). Longer, 1.004(8)-d period is stronger (0.010 mag), but no superhumps were present around Porb. 1.0-d Porb looks unlikely considering the blue color.

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[vsnet-chat 9189] DR Hyi: orbital period
by Taichi Kato 03 May '22

03 May '22

DR Hyi: orbital period From TESS data. Porb=0.151597(3) d. Amplitude 0.12 mag single peak.

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