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

[vsnet-alert 27209] PY Per outbursts
by Taichi Kato 17 Dec '22

17 Dec '22

PY Per outbursts Outbursts are now regularly seen following the deep low state. Relatively faint outbursts. Simply due to limited coverage? YYYYMMDD(UT) mag observer 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) 20221128.851 15.85 (Pavol A. Dubovsky) 20221128.892 15.87C (Gary Poyner) 20221202.5818 <160c (Yutaka Maeda) 20221205.6035 <149c (Yutaka Maeda) 20221206.5751 <148c (Yutaka Maeda) 20221206.6690 <132cG (Yutaka Maeda) 20221206.833 <145 (Gary Poyner) 20221207.5776 <154c (Yutaka Maeda) 20221207.6565 <135cG (Yutaka Maeda) 20221207.6820 155C (Masayuki Moriyama) 20221208.5718 <154c (Yutaka Maeda) 20221208.6495 <139cG (Yutaka Maeda) 20221209.5926 <159c (Yutaka Maeda) 20221209.6664 <142cG (Yutaka Maeda) 20221211.5436 <163c (Yutaka Maeda) 20221212.8611 <141 (Eddy Muyllaert) 20221215.5773 147cG (Yutaka Maeda)

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[vsnet-alert 27208] PV Per outburst
by Taichi Kato 17 Dec '22

17 Dec '22

PV Per outburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221208.5723 <155c (Yutaka Maeda) 20221209.2879 20.219zr (ZTF Alert DC mag (Masci+ 2019)) 20221209.5931 <158c (Yutaka Maeda) 20221211.5441 <162c (Yutaka Maeda) 20221215.5778 156c (Yutaka Maeda)

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[vsnet-alert 27207] DDE51 outburst
by Taichi Kato 17 Dec '22

17 Dec '22

DDE51 outburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221207.4881 <156c (Yutaka Maeda) 20221207.5850 <165C (Masayuki Moriyama) 20221208.4827 <157c (Yutaka Maeda) 20221209.5033 <160c (Yutaka Maeda) 20221211.4548 <155c (Yutaka Maeda) 20221215.6128 15.85C (Masayuki Moriyama)

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[vsnet-alert 27206] Re: EF Eri in active state!
by Taichi Kato 17 Dec '22

17 Dec '22

> The polar EF Eri is in an active state. > > ERIEF 221216.624 148 > ERIEF 221216.651 147 > ERIEF 221216.659 147 This is rare and very important. This polar has a brown-dwarf secondary and has a low mass-transfer rate.

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[vsnet-alert 27205] EF Eri in active state!
by Rod Stubbings 16 Dec '22

16 Dec '22

The polar EF Eri is in an active state. ERIEF 221216.624 148 ERIEF 221216.651 147 ERIEF 221216.659 147 -- Rod Stubbings Tetoora Road Observatory Victoria, Australia Telescope: "Infinity" 22" f/3.8 stubbo(a)dcsi.net.au http://rodstubbingsobservatory.wordpress.com/

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[vsnet-alert 27204] NSV 2026 possivble superoutburst
by Taichi Kato 16 Dec '22

16 Dec '22

NSV 2026 possivble superoutburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221212.124 <17.30C (Gary Poyner) 20221212.517 <130 (Tsuneo Horie) 20221212.919 17.45C (Gary Poyner) 20221213.878 16.08C (Gary Poyner) 20221214.580 <130 (Tsuneo Horie) 20221215.057 13.70C (Gary Poyner) 20221215.174 13.52C (Gary Poyner) 20221215.622 136 (Hiroyuki Maehara)

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[vsnet-alert 27203] AQ Eri likely superoutburst
by Taichi Kato 16 Dec '22

16 Dec '22

AQ Eri likely superoutburst Well-known SU UMa star. YYYYMMDD(UT) mag observer 20221211.4491 <140c (Yutaka Maeda) 20221211.7763 <164C (Masayuki Moriyama) 20221214.1104 16.77C (Masao Funada) 20221215.478 130 (Rod Stubbings) 20221215.617 134 (Hiroyuki Maehara) 20221215.663 132 (Takuichiro Onishi)

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[vsnet-alert 27202] ASASSN-14ff superoutburst continues
by Taichi Kato 16 Dec '22

16 Dec '22

ASASSN-14ff superoutburst continues YYYYMMDD(UT) mag observer 20221208.4790 <141c (Yutaka Maeda) 20221209.4996 147c (Yutaka Maeda) 20221209.4996 147c (Yutaka Maeda) 20221211.4437 <143c (Yutaka Maeda) 20221211.6983 155C (Masayuki Moriyama) 20221212.0620 15.04C (Masao Funada) 20221215.478 148 (Rod Stubbings)

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[vsnet-alert 27201] V370 Peg possible superoutburst
by Taichi Kato 16 Dec '22

16 Dec '22

V370 Peg possible superoutburst YYYYMMDD(UT) mag observer 20221210.1831 17.169zr (ZTF Alert DC mag (Masci+ 2019)) 20221210.2203 16.798zg (ZTF Alert DC mag (Masci+ 2019))

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[vsnet-alert 27200] CRTSJ015051.5+332622 long outburst continues
by Taichi Kato 16 Dec '22

16 Dec '22

CRTSJ015051.5+332622 long outburst continues YYYYMMDD(UT) mag observer 20221123.5591 <155c (Yutaka Maeda) 20221124.5718 <159c (Yutaka Maeda) 20221126.5644 <161c (Yutaka Maeda) 20221201.1543 14.617zr (ZTF Alert DC mag (Masci+ 2019)) 20221201.2164 14.452zg (ZTF Alert DC mag (Masci+ 2019)) 20221202.5622 150c (Yutaka Maeda) 20221205.5826 145cG (Yutaka Maeda) 20221205.5826 145cG (Yutaka Maeda) 20221207.5577 150:c (Yutaka Maeda) 20221208.5522 152c (Yutaka Maeda) 20221208.5559 15.44C (Masayuki Moriyama) 20221209.5730 155c (Yutaka Maeda) 20221209.5730 155c (Yutaka Maeda) 20221210.1955 15.501zr (ZTF Alert DC mag (Masci+ 2019)) 20221210.1960 15.524zr (ZTF Alert DC mag (Masci+ 2019)) 20221210.2188 15.393zg (ZTF Alert DC mag (Masci+ 2019)) 20221210.2193 15.387zg (ZTF Alert DC mag (Masci+ 2019)) 20221211.6604 15.91C (Masayuki Moriyama)

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vsnet-alert December 2022