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614 discussions

[vsnet-chat 9186] OR And: orbital and superhump periods
by Taichi Kato 27 Apr '22

27 Apr '22

OR And: orbital and superhump periods From TESS data. Porb=0.125247(2) d (0.30 mag, nearly sinusoidal). P(SH)=0.135726(7) d (0.13 mag, asymmetric). Beat period is also apparent.

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[vsnet-chat 9185] Re: LS Cam: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

Re: LS Cam: orbital period https://ui.adsabs.harvard.edu/abs/2021arXiv210603568S/abstract I have confirmed negative superhumps (sectors 19 and 20) P=0.137595(10) d. Positive superhumps (sector 26) P=0.15511(2) d. The 2021 June-July data also detected both negative and positive superhumps.

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[vsnet-chat 9184] LS Cam: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

LS Cam: orbital period From TESS data. Porb=0.1423826(4) d (0.09 mag). Shallow (0.02 mag) eclipse + orbital hump?

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[vsnet-chat 9183] UU Col: orbital and spin period
by Taichi Kato 27 Apr '22

27 Apr '22

UU Col: orbital and spin period From TESS data. Porb=0.14432(4) d (0.024 mag). Spin period 0.0099973(3) d. Beat period of 0.0107411(2) d was also detected.

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[vsnet-chat 9182] MV Leo: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

MV Leo: orbital period From TESS data. Porb=0.1460717(9) d. Eclipses 0.09 mag. Rather strange profile with maximum at phase 0.2.

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[vsnet-chat 9181] HM Leo: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

HM Leo: orbital period From TESS data. Porb=0.1864008(8) d. Ecllipsoidal variation.

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[vsnet-chat 9180] OQ Car: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

OQ Car: orbital period From TESS data. Porb=0.209768(5) d. Double maxima with different amplitudes in one cycle (0.022 mag).

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[vsnet-chat 9179] ASASSN-14fu: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

ASASSN-14fu: orbital period From ZTF data. Porb=0.1601606(6) d. Double maxima in one cycle (0.27 mag). There was no evidence for 0.020-0.025 d period in these data.

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[vsnet-chat 9178] 1RXS J233801.0+430852: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

1RXS J233801.0+430852: orbital period From ZTF data. Porb=0.1601353(7) d. Nearly sinusoidal 0.22 mag. The period is slightly different from the one in Weil et al. (2018) AJ 156, 231. There was no signal at 0.160400 d.

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[vsnet-chat 9177] V367 Peg: orbital period
by Taichi Kato 27 Apr '22

27 Apr '22

V367 Peg: orbital period From ZTF data. Porb=0.1618037(5) d. Eclipsing as already reported.

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