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

[vsnet-alert 27073] ASASSN-14ml possible superoutburst
by Taichi Kato 18 Nov '22

18 Nov '22

ASASSN-14ml possible superoutburst Type from ZTF data (precursor + superoutburst in 2020 Aug.) YYYYMMDD(UT) mag observer 20221115.2132 16.242zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27072] V1389 Tau
by Gary Poyner 17 Nov '22

17 Nov '22

The UGSU star V1389 Tau is currently in outburst. The previous outburst (poor coverage) occurred in January 2020, with the only other outburst recorded in the AAVSO IDB occurring in October/November 2016 (Superoutburst). Nov 13.618 <15.5 visual N Brown (AAVSO IDB) Nov 16.972 14.33CV G Poyner (SLOOH) Vsnet-alert 20267 (Oct 28, 2016) gives a superhump period of 0.08035(5)d from the 2016 superoutburst. AAVSO VSX reports a further outburst recorded in August 2008 (Wils, P). Gary ------------------------------------------------------ Gary Poyner FRAS garypoyner(a)gmail.com www.variablestars.co.uk

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[vsnet-alert 27071] ATLAS22bkwt
by Taichi Kato 17 Nov '22

17 Nov '22

ATLAS22bkwt According to Moriyama-san, this object is blue and looks likely a dwarf nova. YYYYMMDD(UT) mag observer 20221104.8421 14.28C (Masayuki Moriyama) 20221104.8432 13.95V (Masayuki Moriyama) 20221105.8228 14.26C (Masayuki Moriyama) 20221105.8247 14.13V (Masayuki Moriyama) 20221105.8260 14.05B (Masayuki Moriyama) 20221105.8277 14.10Rc (Masayuki Moriyama) 20221105.8295 14.26Ic (Masayuki Moriyama) 20221107.8395 14.23V (Masayuki Moriyama) 20221107.8410 14.18Rc (Masayuki Moriyama) 20221107.8428 14.30Ic (Masayuki Moriyama) 20221107.8450 14.25B (Masayuki Moriyama) 20221107.8467 14.42C (Masayuki Moriyama) 20221115.8385 14.67V (Masayuki Moriyama) 20221115.8404 14.80Rc (Masayuki Moriyama) 20221115.8466 14.64Ic (Masayuki Moriyama) 20221115.8490 14.74B (Masayuki Moriyama)

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[vsnet-alert 27070] TCPJ02194236+3735540 rebrightening
by Taichi Kato 17 Nov '22

17 Nov '22

TCPJ02194236+3735540 rebrightening Likely SU UMa? WZ Sge? AM CVn? YYYYMMDD(UT) mag observer 20221108.6129 <163C (Masayuki Moriyama) 20221111.6392 <172C (Masayuki Moriyama) 20221113.6487 <171C (Masayuki Moriyama) 20221114.2457 20.228zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.5940 173:C (Masayuki Moriyama)

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[vsnet-alert 27069] MN Lac superoutburst
by Taichi Kato 17 Nov '22

17 Nov '22

MN Lac superoutburst YYYYMMDD(UT) mag observer 20221111.500 <175C (Mitsutaka Hiraga) 20221111.5687 <156c (Yutaka Maeda) 20221111.6822 <163C (Masayuki Moriyama) 20221113.1422 18.934zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.1835 19.181zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.510 159C (Mitsutaka Hiraga) 20221115.5759 157:c (Yutaka Maeda) 20221115.6104 165C (Masayuki Moriyama)

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[vsnet-alert 27068] CM Del fading
by Taichi Kato 17 Nov '22

17 Nov '22

CM Del fading Suuggestion of decreased mass-transfer? YYYYMMDD(UT) mag observer 20220925.1510 15.488zg (ZTF Alert DC mag (Masci+ 2019)) 20220925.1745 15.338zr (ZTF Alert DC mag (Masci+ 2019)) 20220927.6242 13.75C (Masayuki Moriyama) 20220929.6267 133cG (Yutaka Maeda) 20220929.6293 136C (Masayuki Moriyama) 20220930.6854 13.75C (Masayuki Moriyama) 20221001.1499 14.082zg (ZTF Alert DC mag (Masci+ 2019)) 20221001.2050 14.023zr (ZTF Alert DC mag (Masci+ 2019)) 20221001.6622 <130cG (Yutaka Maeda) 20221001.6733 13.87C (Masayuki Moriyama) 20221002.6057 139C (Masayuki Moriyama) 20221005.1903 14.950zr (ZTF Alert DC mag (Masci+ 2019)) 20221005.5553 145C (Masayuki Moriyama) 20221007.1713 16.858zg (ZTF Alert DC mag (Masci+ 2019)) 20221008.5492 145:C (Masayuki Moriyama) 20221009.2434 16.327zr (ZTF Alert DC mag (Masci+ 2019)) 20221011.1760 17.239zg (ZTF Alert DC mag (Masci+ 2019)) 20221012.6367 14.88C (Masayuki Moriyama) 20221013.1854 15.658zg (ZTF Alert DC mag (Masci+ 2019)) 20221013.6716 143C (Masayuki Moriyama) 20221014.6600 13.80C (Masayuki Moriyama) 20221015.1663 13.580zr (ZTF Alert DC mag (Masci+ 2019)) 20221015.6543 13.61C (Masayuki Moriyama) 20221017.6692 137C (Masayuki Moriyama) 20221019.6365 13.55C (Masayuki Moriyama) 20221020.6488 136C (Masayuki Moriyama) 20221021.1611 14.000zr (ZTF Alert DC mag (Masci+ 2019)) 20221025.1319 15.616zr (ZTF Alert DC mag (Masci+ 2019)) 20221025.2268 16.133zg (ZTF Alert DC mag (Masci+ 2019)) 20221025.6052 14.85C (Masayuki Moriyama) 20221027.1317 17.240zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.6536 <144C (Masayuki Moriyama) 20221028.6011 15.56C (Masayuki Moriyama) 20221029.5749 15.61C (Masayuki Moriyama) 20221030.5940 15.92C (Masayuki Moriyama) 20221031.4794 <153C (Masayuki Moriyama) 20221101.6019 15.80C (Masayuki Moriyama) 20221102.6002 159:C (Masayuki Moriyama) 20221103.5938 162:C (Masayuki Moriyama) 20221104.6138 154:C (Masayuki Moriyama) 20221105.1106 17.624zr (ZTF Alert DC mag (Masci+ 2019)) 20221105.5738 15.37C (Masayuki Moriyama) 20221107.5816 13.96C (Masayuki Moriyama) 20221108.5656 145C (Masayuki Moriyama) 20221109.5361 149C (Masayuki Moriyama) 20221111.5648 15.88C (Masayuki Moriyama) 20221115.5542 15.28C (Masayuki Moriyama)

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[vsnet-alert 27067] LX Cnc superoutburst
by Taichi Kato 17 Nov '22

17 Nov '22

LX Cnc superoutburst YYYYMMDD(UT) mag observer 20221107.1730 <182C (Masao Funada) 20221107.7014 <165C (Masayuki Moriyama) 20221107.8123 <153c (Yutaka Maeda) 20221108.7492 <151c (Yutaka Maeda) 20221111.8038 135cG (Yutaka Maeda) 20221111.8039 135cG (Yutaka Maeda) 20221115.7926 141:cG (Yutaka Maeda) 20221115.8834 146C (Masayuki Moriyama)

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[vsnet-alert 27066] ZTF19abcptgc likely superoutburst
by Taichi Kato 17 Nov '22

17 Nov '22

ZTF19abcptgc likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221112.1643 16.302zg (ZTF Alert DC mag (Masci+ 2019)) 20221114.1366 16.291zg (ZTF Alert DC mag (Masci+ 2019)) 20221114.1740 16.133zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27065] ZTF18abpoeao likely superoutburst
by Taichi Kato 17 Nov '22

17 Nov '22

ZTF18abpoeao likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221029.1300 15.640zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.2401 15.876zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1223 16.100zr (ZTF Alert DC mag (Masci+ 2019)) 20221031.1653 16.114zg (ZTF Alert DC mag (Masci+ 2019)) 20221105.1101 16.806zr (ZTF Alert DC mag (Masci+ 2019)) 20221105.1737 16.816zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27064] ZTF18abdiirt likely superoutburst
by Taichi Kato 17 Nov '22

17 Nov '22

ZTF18abdiirt likely superoutburst Type from ZTF data. Short supercycle 110-140 d. YYYYMMDD(UT) mag observer 20221025.2249 20.652zg (ZTF Alert DC mag (Masci+ 2019)) 20221027.1336 20.814zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.2021 20.310zg (ZTF Alert DC mag (Masci+ 2019)) 20221031.1620 20.589zg (ZTF Alert DC mag (Masci+ 2019)) 20221106.1184 16.555zg (ZTF Alert DC mag (Masci+ 2019)) 20221106.1953 16.606zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.1450 16.841zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.1781 16.536zg (ZTF Alert DC mag (Masci+ 2019)) 20221113.1552 16.764zg (ZTF Alert DC mag (Masci+ 2019))

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vsnet-alert November 2022