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

[vsnet-alert 27947] Re: FZ Cet (UGSU) outburst
by Taichi Kato 21 Aug '23

21 Aug '23

> The UGSU-type dwarf nova FZ Cet is in outburst according to NMW survey > photometry (135mm f/2.0 lens + unfiltered STL-11000 CCD): Please pay attention not to post a new message as a reply to an old, unrelated message. See how your posting looks like: http://ooruri.kusastro.kyoto-u.ac.jp/mailman3/hyperkitty/list/vsnet-alert@o…

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[vsnet-alert 27039] GX Cas (UGSU) outburst
by Kirill Sokolovsky 20 Aug '23

20 Aug '23

The UGSU-type dwarf nova GX Cas is in outburst according to NMW survey photometry (135mm f/2.0 lens + unfiltered ST-8300M CCD): 2022-11-13.7397 2459897.2397 13.4 CV AAVSO observer KLO reports visual observation of this outburst: 2022-11-12.9520 2459896.4520 13.6 Vis. ASAS-SN photometry (latest observation is quiescence on 2022-11-12.165): https://asas-sn.osu.edu/sky-patrol/coordinate/7c8f8333-01a3-49aa-ba14-08b07… VSX record for GX Cas https://www.aavso.org/vsx/index.php?view=detail.top&oid=6537 Best wishes, Kirill Sokolovsky, Stanislav Korotkiy, Olga Smolyankina, Anna Prokudina, Sergei Ostapenko

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[vsnet-alert 27945] Optical high state of Blazar 1ES 1959+650
by Stefan Karge 15 Aug '23

15 Aug '23

Blazar 1ES 1959+650 in optical high state object date (UTC) mag comment -------------------------------------------------- 1959+650 20230717.874 14.17V active (1) 1959+650 20230805.109 14.06V active (1) 1959+650 20230812.952 13.99V active (1) -------------------------------------------------- The optical high state corresponds well with strong X-ray activity detected by Swift-XRT (see Atel #16186). -------------------------------------------------- (1) 30cm-Refl. + CCD + V-Johnson (remote) Stefan Karge (SKA) http://quasar.square7.ch/fqm/1959+650.html _______________________________________________

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[vsnet-alert 27944] TCP J16420534+8156125 ordinary superhumps
by Taichi Kato 13 Aug '23

13 Aug '23

TCP J16420534+8156125 ordinary superhumps The most recent observations by Itoh-san on Aug. 12 showed ordinary superhumps.

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[vsnet-alert 27927] TCP J16420534+8156125 bright likely dwarf nova
by Taichi Kato 09 Aug '23

09 Aug '23

TCP J16420534+8156125 bright likely dwarf nova http://cbat.eps.harvard.edu/unconf/followups/J16420534+8156125.html 164209.215 +815556.26 (2000.0) Gaia_DR2_1710719047756794368 plx=1.700(0.682) dismod=8.8 pmra=-13.473(1.951) pmdec=25.647(2.137) G=20.587 BP=20.469 RP=20.125 164209.212 +815556.28 (2000.0) Gaia_EDR3_1710719047756794368 plx=1.896(0.572) dismod=8.6 pmra=-13.299(0.746) pmdec=25.917(0.841) G=20.494 BP=20.613 RP=20.253

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[vsnet-alert 27942] TY PsA superoutburst
by Taichi Kato 09 Aug '23

09 Aug '23

TY PsA superoutburst YYYYMMDD(UT) mag observer 20230804.4195 15.543zr (ZTF Alert DC mag (Masci+ 2019)) 20230805.4013 15.690g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230805.4326 15.663zg (ZTF Alert DC mag (Masci+ 2019)) 20230805.8474 15.230g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230806.3172 11.890g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230807.526 110 (Rod Stubbings) 20230807.8910 11.626g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230808.546 110 (Rod Stubbings)

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[vsnet-alert 27941] OY Car superoutburst
by Taichi Kato 09 Aug '23

09 Aug '23

OY Car superoutburst (UGSU+E) YYYYMMDD(UT) mag observer 20230722.9790 15.445g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230725.462 156 (Rod Stubbings) 20230727.9735 15.753g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230729.9662 15.185g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230803.7036 15.194g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230805.435 122 (Rod Stubbings) 20230807.451 116 (Rod Stubbings) 20230808.412 116 (Rod Stubbings)

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[vsnet-alert 27940] BE Oct superoutburst
by Taichi Kato 09 Aug '23

09 Aug '23

BE Oct superoutburst YYYYMMDD(UT) mag observer 20230801.1356 <16.865g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230801.4323 <16.760g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230802.1363 <16.313g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230802.3219 <16.599g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230803.1365 16.608g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230803.1926 16.624g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230804.9392 16.354g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230805.9314 15.946g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230806.8808 15.652g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230806.9262 15.562g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230807.469 156 (Rod Stubbings) 20230808.0625 15.590g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230808.465 159 (Rod Stubbings)

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[vsnet-alert 27939] V1141 Aql likely superoutburst
by Taichi Kato 09 Aug '23

09 Aug '23

V1141 Aql likely superoutburst YYYYMMDD(UT) mag observer 20230804.5798 <177C (Masayuki Moriyama) 20230805.7579 <168C (Masayuki Moriyama) 20230808.446 150 (Rod Stubbings)

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[vsnet-alert 27938] V1028 Cyg superoutburst
by Taichi Kato 09 Aug '23

09 Aug '23

V1028 Cyg superoutburst YYYYMMDD(UT) mag observer 20230801.583 <170C (Mitsutaka Hiraga) 20230802.4144 <16.554g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230802.5673 <165c (Yutaka Maeda) 20230802.7879 <174C (Masayuki Moriyama) 20230803.4070 <17.425g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230803.8088 <169C (Masayuki Moriyama) 20230804.7786 <173C (Masayuki Moriyama) 20230805.4094 14.122g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230805.510 143C (Mitsutaka Hiraga) 20230805.8073 139C (Masayuki Moriyama) 20230805.998 141 (Gary Poyner) 20230806.9229 137 (Eddy Muyllaert) 20230807.023 137 (Gary Poyner) 20230807.076 13.46C (Gary Poyner) 20230807.9167 137 (Eddy Muyllaert) 20230808.166 13.73C (Gary Poyner)

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