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?)
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.
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Seiichiro Kiyota
VSOLJ
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.