January 2023 - vsnet-campaign-dn - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-campaign-dn 16797] Z Cam fading from standstill
by Taichi Kato 03 Jan '23

03 Jan '23

Z Cam fading from standstill YYYYMMDD(UT) mag observer 20221226.7618 116 (Eddy Muyllaert) 20221227.049 116 (Gary Poyner) 20221227.6697 112cG (Yutaka Maeda) 20221227.6697 112cG (Yutaka Maeda) 20221227.792 11.68 (Pavol A. Dubovsky) 20221229.8181 120 (Eddy Muyllaert) 20221231.6615 125cG (Yutaka Maeda) 20221231.6615 125cG (Yutaka Maeda) 20221231.7454 12.64C (Masayuki Moriyama) 20230102.407 <125 (Takuichiro Onishi)

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[vsnet-campaign-dn 16796] CRTSJ000024.7+332543 superhumps and eclipse?
by Taichi Kato 03 Jan '23

03 Jan '23

CRTSJ000024.7+332543 superhumps and eclipse? Itoh-san reported further observations. The superhump period is 0.09325(8) d or its alias (amplitude 0.23 mag). An eclipse-like feature was again seen on Jan. 1. This object may be UGSU+E.

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[vsnet-campaign-dn 16795] ASASSN-22ak stopped fading
by Taichi Kato 02 Jan '23

02 Jan '23

ASASSN-22ak stopped fading According to observations by Josch Hambsch, this object has been around 19.0 for the last four nights.

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[vsnet-campaign-dn 16794] MASTER OT J054111.82+454054.9 rare? outburst
by Taichi Kato 02 Jan '23

02 Jan '23

MASTER OT J054111.82+454054.9 rare? outburst Only one outburst detection in the ZTF data. YYYYMMDD(UT) mag observer 20221225.5741 <154c (Yutaka Maeda) 20221227.6662 <175C (Masayuki Moriyama) 20221227.7269 <148c (Yutaka Maeda) 20221231.8153 159:C (Masayuki Moriyama)

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[vsnet-campaign-dn 16793] CRTSJ000024.7+332543 superhumps
by Taichi Kato 02 Jan '23

02 Jan '23

CRTSJ000024.7+332543 superhumps Itoh-san confirmed superhumps on the second night. There was no hint of an eclipse.

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[vsnet-campaign-dn 16792] CRTSJ000024.7+332543: superhump and eclipse?
by Taichi Kato 01 Jan '23

01 Jan '23

CRTSJ000024.7+332543: superhump and eclipse? Itoh-san reported observations and detected a 0.3-mag superhump. There was an eclipse-like episode which needs to be confirmed.

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vsnet-campaign-dn January 2023