November 2022 - vsnet-outburst - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-outburst 29277] PY Per brightening?
by Taichi Kato 28 Nov '22

28 Nov '22

PY Per brightening? If confirmed, this would be the first outburst during the current long-lasting faint state. YYYYMMDD(UT) mag observer 20221112.908 <147 (Gary Poyner) 20221113.8542 <141 (Eddy Muyllaert) 20221115.024 <147 (Gary Poyner) 20221115.7282 <149c (Yutaka Maeda) 20221117.8965 <141 (Eddy Muyllaert) 20221119.8056 <172C (Masayuki Moriyama) 20221123.5820 <158c (Yutaka Maeda) 20221124.5919 <154c (Yutaka Maeda) 20221126.5845 149:cG (Yutaka Maeda)

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[vsnet-outburst 29276] V550 Cyg outburst
by Taichi Kato 27 Nov '22

27 Nov '22

V550 Cyg outburst Known SU UMa star. Hiraga-san has pointed out that the identification on the AAVSO chart is wrong. Not a nearby 17-mag star. YYYYMMDD(UT) mag observer 20221119.5878 <161C (Masayuki Moriyama) 20221121.5133 <152c (Yutaka Maeda) 20221122.857 17.40C (Gary Poyner) 20221122.8570 16.86C (Masao Funada) 20221124.5626 153C (Masayuki Moriyama) 20221125.415 160C (Mitsutaka Hiraga) 20221126.5632 <156C (Masayuki Moriyama)

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[vsnet-outburst 29275] CRTSJ063437.9+412047 superoutburst
by Taichi Kato 27 Nov '22

27 Nov '22

CRTSJ063437.9+412047 superoutburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221114.3604 20.290zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.6849 <159c (Yutaka Maeda) 20221121.6882 153:c (Yutaka Maeda) 20221123.617 159C (Mitsutaka Hiraga) 20221123.6529 <140c (Yutaka Maeda) 20221124.590 163C (Mitsutaka Hiraga) 20221124.6625 <158c (Yutaka Maeda) 20221126.6555 <157c (Yutaka Maeda) 20221126.748 167C (Mitsutaka Hiraga)

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[vsnet-outburst 29274] GZ Cnc possible superoutburst
by Taichi Kato 27 Nov '22

27 Nov '22

GZ Cnc possible superoutburst Good location and would be an easy target for time-resolved photometry. YYYYMMDD(UT) mag observer 20221120.8402 168C (Masayuki Moriyama) 20221121.2666 16.15C (Masao Funada) 20221121.4201 16.215zg (ZTF Alert DC mag (Masci+ 2019)) 20221121.8314 <160c (Yutaka Maeda) 20221124.7911 <143c (Yutaka Maeda) 20221126.7917 125cG (Yutaka Maeda) 20221126.7917 125cG (Yutaka Maeda) 20221126.8948 128C (Masayuki Moriyama)

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[vsnet-outburst 29273] V485 Cen likely superoutburst
by Taichi Kato 27 Nov '22

27 Nov '22

V485 Cen likely superoutburst (EI Psc star) YYYYMMDD(UT) mag observer 20221126.3365 14.41C (Masao Funada)

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[vsnet-outburst 29272] ASASSN-17ax likely superoutburst continues
by Taichi Kato 27 Nov '22

27 Nov '22

ASASSN-17ax likely superoutburst continues YYYYMMDD(UT) mag observer 20221119.3802 16.198zr (ZTF Alert DC mag (Masci+ 2019)) 20221119.4060 16.039zg (ZTF Alert DC mag (Masci+ 2019)) 20221121.3412 15.955zr (ZTF Alert DC mag (Masci+ 2019)) 20221121.4089 15.850zg (ZTF Alert DC mag (Masci+ 2019)) 20221123.5758 157C (Masayuki Moriyama) 20221125.0554 154C (Masao Funada) 20221126.8419 158C (Masayuki Moriyama)

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[vsnet-outburst 29271] ASASSN-15cr outburst
by Taichi Kato 27 Nov '22

27 Nov '22

ASASSN-15cr outburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221121.7529 <153c (Yutaka Maeda) 20221123.610 <175C (Mitsutaka Hiraga) 20221124.7191 <154c (Yutaka Maeda) 20221126.7194 151:c (Yutaka Maeda) 20221126.7194 151:c (Yutaka Maeda)

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[vsnet-outburst 29270] ASASSN-V J072615.22-102334.9 orbital period
by Taichi Kato 27 Nov '22

27 Nov '22

ASASSN-V J072615.22-102334.9 orbital period Josch Hambsch has reported further observations. The orbital period has been determined to be 0.4194(2) d. 0.8 mag eclipses (in outburst) and ellipsoidal modulations of the secondary. USSS+E and the object is similar to DX And in its outburst behavior.

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[vsnet-outburst 29269] AQ CMi superhumps
by Taichi Kato 27 Nov '22

27 Nov '22

AQ CMi superhumps Itoh-san reported time-resolved observations on Nov. 26. 0.18-mag superhumps were present.

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[vsnet-outburst 29268] ASASSN-14lz likely superhumps
by Taichi Kato 27 Nov '22

27 Nov '22

ASASSN-14lz likely superhumps Itoh-san reported time-resolved observations. Two likely superhumps (0.15 mag) with a period of about 0.06 d were detected. The data were not long enough and more observations are encouraged.

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vsnet-outburst November 2022