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

[vsnet-alert 27081] ZTF19aacswjh likely superoutburst
by Taichi Kato 18 Nov '22

18 Nov '22

ZTF19aacswjh likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221112.3973 16.822zr (ZTF Alert DC mag (Masci+ 2019)) 20221114.3971 16.253zr (ZTF Alert DC mag (Masci+ 2019)) 20221114.4602 16.498zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.4142 16.382zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.4146 16.382zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.4359 16.619zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.4392 16.630zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27080] MGAB-V560 likely superoutburst
by Taichi Kato 18 Nov '22

18 Nov '22

MGAB-V560 likely superoutburst Type from ZTF data. YYYYMMDD(UT) mag observer 20221113.1855 18.396zg (ZTF Alert DC mag (Masci+ 2019)) 20221113.2618 18.484zr (ZTF Alert DC mag (Masci+ 2019)) 20221114.1581 18.008zg (ZTF Alert DC mag (Masci+ 2019)) 20221114.2238 18.004zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.2581 17.309zr (ZTF Alert DC mag (Masci+ 2019)) 20221116.1524 16.771zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27079] MGAB-V500 likely superoutburst (suspected AM CVn)
by Taichi Kato 18 Nov '22

18 Nov '22

MGAB-V500 likely superoutburst (suspected AM CVn) YYYYMMDD(UT) mag observer 20221111.2710 20.398zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.1855 19.368zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.2063 17.188zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.2581 17.457zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27078] ASASSN-VJ000122.44+481658.1 bright outburst
by Taichi Kato 18 Nov '22

18 Nov '22

ASASSN-VJ000122.44+481658.1 bright outburst Subtype unclear. May be an SU UMa star. YYYYMMDD(UT) mag observer 20221025.2806 18.557zg (ZTF Alert DC mag (Masci+ 2019)) 20221025.3641 18.201zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.2882 18.216zr (ZTF Alert DC mag (Masci+ 2019)) 20221027.3108 18.668zg (ZTF Alert DC mag (Masci+ 2019)) 20221029.2800 18.134zr (ZTF Alert DC mag (Masci+ 2019)) 20221029.3494 18.355zg (ZTF Alert DC mag (Masci+ 2019)) 20221105.2897 15.679zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.2710 15.292zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.1855 15.206zg (ZTF Alert DC mag (Masci+ 2019)) 20221113.2618 15.382zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.2063 15.259zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.2581 15.466zr (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27077] KLK-41 possible superoutburst
by Taichi Kato 18 Nov '22

18 Nov '22

KLK-41 possible superoutburst First long, bright outburst detected by ZTF. YYYYMMDD(UT) mag observer 20221106.1109 18.532zg (ZTF Alert DC mag (Masci+ 2019)) 20221106.1295 18.461zr (ZTF Alert DC mag (Masci+ 2019)) 20221111.1767 17.588zg (ZTF Alert DC mag (Masci+ 2019)) 20221113.1196 17.850zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.1481 17.847zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.1094 17.996zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27076] Gaia18cgw likely superoutburst
by Taichi Kato 18 Nov '22

18 Nov '22

Gaia18cgw likely superoutburst Type from ZTF data (precursor + super in 2020 Jan.-Feb.) YYYYMMDD(UT) mag observer 20221104.7362 176:C (Masayuki Moriyama) 20221106.4031 17.757zg (ZTF Alert DC mag (Masci+ 2019)) 20221106.4422 17.422zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.3377 14.835zr (ZTF Alert DC mag (Masci+ 2019)) 20221113.3905 14.709zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.4009 15.116zr (ZTF Alert DC mag (Masci+ 2019)) 20221115.4269 15.072zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27075] ASASSN-VJ072615.22-102334.9 outburst
by Taichi Kato 18 Nov '22

18 Nov '22

ASASSN-VJ072615.22-102334.9 outburst ZTF data suggest an SU UMa star from behavior (the current one is a bright outburst). Amplitude too small? YYYYMMDD(UT) mag observer 20221112.3613 16.340zg (ZTF Alert DC mag (Masci+ 2019)) 20221112.3977 16.155zr (ZTF Alert DC mag (Masci+ 2019)) 20221114.3754 14.270zr (ZTF Alert DC mag (Masci+ 2019)) 20221114.4607 14.240zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27074] ASASSN-15ui rare outburst
by Taichi Kato 18 Nov '22

18 Nov '22

ASASSN-15ui rare outburst Not recorded in outburst in past ZTF data. YYYYMMDD(UT) mag observer 20221113.3896 14.918zg (ZTF Alert DC mag (Masci+ 2019)) 20221115.4250 15.071zg (ZTF Alert DC mag (Masci+ 2019))

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[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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