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

[vsnet-alert 27845] V544 Her outburst (super?)
by Taichi Kato 15 Jun '23

15 Jun '23

V544 Her outburst (super?) Suspected long-Porb SU UMa star sometimes showing double outburst. Time-resolved photometry is requested. YYYYMMDD(UT) mag observer 20230612.2859 <18.052g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.6157 <160C (Masayuki Moriyama) 20230613.2993 16.514g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.6995 152C (Masayuki Moriyama) 20230614.1628 14.689g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230614.2150 14.813g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27844] Re: V1006 Cyg likely superoutburst following standstill
by Taichi Kato 14 Jun '23

14 Jun '23

Re: V1006 Cyg likely superoutburst following standstill Was indeed directly from standstill. Observations of superhumps are encouraged. YYYYMMDD(UT) mag observer 20230530.5202 16.347o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5231 16.409o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5302 16.325o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5119 16.327o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5146 16.477o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5358 16.478o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5539 16.437o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.1352 16.66C (Masao Funada) 20230602.6601 <152c (Yutaka Maeda) 20230602.940 16.68C (Gary Poyner) 20230602.9407 16.69C (Masao Funada) 20230603.3867 16.630zr (ZTF Alert DC mag (Masci+ 2019)) 20230603.4483 16.654zg (ZTF Alert DC mag (Masci+ 2019)) 20230603.4497 16.744zg (ZTF Alert DC mag (Masci+ 2019)) 20230603.4588 16.499o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230603.4805 16.548o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230603.4895 16.792o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230603.6629 <157c (Yutaka Maeda) 20230604.6565 <158C (Masayuki Moriyama) 20230605.2214 16.567zg (ZTF Alert DC mag (Masci+ 2019)) 20230605.2826 16.480zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4300 16.401zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4459 16.732zg (ZTF Alert DC mag (Masci+ 2019)) 20230605.5008 16.408o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230605.5035 16.464o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230605.5080 16.349o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230605.5231 16.454o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5133 15.756o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5366 15.658o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5371 15.671o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5393 15.830o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5398 15.667o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5420 15.707o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5425 15.670o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230607.5618 15.995o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230609.5212 14.729o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230609.5236 14.740o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230609.5263 14.732o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230609.5389 14.686o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230609.6488 <146c (Yutaka Maeda) 20230611.4889 13.952o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.4916 13.943o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.4962 13.939o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.5030 13.910o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.4124 13.697g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.4586 13.700g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27843] V1006 Cyg likely superoutburst following standstill
by Taichi Kato 13 Jun '23

13 Jun '23

V1006 Cyg likely superoutburst following standstill If confirmed, this will be the second case after NY Ser. YYYYMMDD(UT) mag observer 20230605.2826 16.480zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4300 16.401zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4459 16.732zg (ZTF Alert DC mag (Masci+ 2019)) 20230609.6488 <146c (Yutaka Maeda) 20230612.4124 13.697g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.4586 13.700g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) YYYYMMDD(UT) mag observer 20230525.4272 16.517zg (ZTF Alert DC mag (Masci+ 2019)) 20230525.4306 16.451zg (ZTF Alert DC mag (Masci+ 2019)) 20230525.4569 16.368zr (ZTF Alert DC mag (Masci+ 2019)) 20230525.4584 16.462zr (ZTF Alert DC mag (Masci+ 2019)) 20230526.4982 16.209o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5009 16.226o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5216 16.167o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5271 16.363o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.3394 16.447zg (ZTF Alert DC mag (Masci+ 2019)) 20230528.3432 16.523zg (ZTF Alert DC mag (Masci+ 2019)) 20230528.3866 16.455zr (ZTF Alert DC mag (Masci+ 2019)) 20230528.5220 16.256o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5247 16.328o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5394 16.541o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5495 16.326o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5202 16.347o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5231 16.409o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5302 16.325o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5119 16.327o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5146 16.477o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5358 16.478o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5539 16.437o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.1352 16.66C (Masao Funada) 20230602.6601 <152c (Yutaka Maeda) 20230602.940 16.68C (Gary Poyner) 20230602.9407 16.69C (Masao Funada) 20230603.3867 16.630zr (ZTF Alert DC mag (Masci+ 2019)) 20230603.4483 16.654zg (ZTF Alert DC mag (Masci+ 2019)) 20230603.4497 16.744zg (ZTF Alert DC mag (Masci+ 2019)) 20230603.6629 <157c (Yutaka Maeda) 20230604.6565 <158C (Masayuki Moriyama) 20230605.2214 16.567zg (ZTF Alert DC mag (Masci+ 2019)) 20230605.2826 16.480zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4300 16.401zr (ZTF Alert DC mag (Masci+ 2019)) 20230605.4459 16.732zg (ZTF Alert DC mag (Masci+ 2019)) 20230609.6488 <146c (Yutaka Maeda) 20230612.4124 13.697g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.4586 13.700g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27842] ASASSN-22ak faded again
by Taichi Kato 13 Jun '23

13 Jun '23

ASASSN-22ak faded again According to observations by Josch Hambsch, ASASSN-22ak faded again to 19-20 mag on June 12.

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[vsnet-alert 27841] Re: BraTS-SON-T2-046 = TCP J17294472-4236232 still bright
by Taichi Kato 13 Jun '23

13 Jun '23

Re: BraTS-SON-T2-046 = TCP J17294472-4236232 still bright Looks likely ordinary superhumping phase of a WZ Sge star currently. YYYYMMDD(UT) mag observer 20230505.9361 16.837o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.0835 12.473c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1198 12.511c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1198 12.547c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1497 12.520c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1497 12.554c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1757 12.582c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.0351 12.839c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.0725 12.898c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.0871 12.915c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.1136 12.914c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.9779 14.045o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.9788 14.101o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.9808 14.021o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.9821 14.107o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.0052 14.048o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.0065 14.128o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.0129 14.088o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.0362 14.059o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2330 14.215c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2340 14.112c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2378 14.089c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2384 14.117c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2430 14.088c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.2519 14.106c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.6290 14.36C (Masayuki Moriyama)

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[vsnet-alert 27840] Re: V725 Aql outburst
by Taichi Kato 13 Jun '23

13 Jun '23

Re: V725 Aql outburst > Last superoutburst in 2018 June. The 2022 Sep. outburst looks like a short (or failed) superoutburst (4-5 d) + rebrightening (ATLAS data). This outburst was not detected visually.

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[vsnet-alert 27839] BraTS-SON-T2-046 = TCP J17294472-4236232 still bright
by Taichi Kato 13 Jun '23

13 Jun '23

BraTS-SON-T2-046 = TCP J17294472-4236232 still bright Time-resolved photometry is encouraged. YYYYMMDD(UT) mag observer 20230329.3119 17.481o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9482 16.853o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9361 16.837o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.0835 12.473c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1198 12.511c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.1497 12.520c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.6290 14.36C (Masayuki Moriyama)

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[vsnet-alert 27838] V725 Aql outburst
by Taichi Kato 13 Jun '23

13 Jun '23

V725 Aql outburst Long-Porb SU UMa star with rare outbursts. Last superoutburst in 2018 June. YYYYMMDD(UT) mag observer 20230612.1208 <140 (Jose Ripero) 20230612.596 137 (Rod Stubbings)

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[vsnet-alert 27837] ASASSN-19ct rebrightening or standstill
by Taichi Kato 12 Jun '23

12 Jun '23

ASASSN-19ct rebrightening or standstill AM CVn star + UGZ. YYYYMMDD(UT) mag observer 20230606.8855 14.592g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.9879 14.793g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230607.1534 15.122g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230607.9843 15.106g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.1438 15.299g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.1450 15.282g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.1755 15.097g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.510 151 (Rod Stubbings)

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[vsnet-alert 27836] V589 Her outburst
by Taichi Kato 12 Jun '23

12 Jun '23

V589 Her outburst Changed from UGSU to UG recently. YYYYMMDD(UT) mag observer 20230605.3868 <16.923g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230607.1680 <16.440g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230607.2134 17.558zr (ZTF Alert DC mag (Masci+ 2019)) 20230609.5366 <141c (Yutaka Maeda) 20230612.066 15.06C (Gary Poyner) 20230612.0660 14.91C (Masao Funada)

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