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

[vsnet-alert 27852] ASASSN-19dd possible superoutburst
by Taichi Kato 15 Jun '23

15 Jun '23

ASASSN-19dd possible superoutburst YYYYMMDD(UT) mag observer 20230530.0534 <17.205g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230531.0533 <16.940g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.0456 <16.679g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230605.0330 16.149g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230605.7848 16.667g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.0329 16.807g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.7716 16.807g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.8134 <16.639g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.0251 16.565g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230610.7069 16.543o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.7096 16.556o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.7153 16.581o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.7259 16.554o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230611.9994 16.615c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.0026 16.498c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.9844 16.316g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27851] ASASSN-19am possible superoutburst
by Taichi Kato 15 Jun '23

15 Jun '23

ASASSN-19am possible superoutburst (Combined magnitudes, peak probably at 16.5) YYYYMMDD(UT) mag observer 20230527.1037 16.643g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230527.1037 16.942g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.1095 17.007g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230528.1095 17.010g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230530.0991 16.767g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230530.0991 <16.699g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230531.0950 16.529g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230531.0950 <16.306g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230601.0925 <16.135g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.0878 <16.218g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230602.0878 <16.389g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230603.0833 15.874g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230605.0829 15.706g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230605.0829 <16.138g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.0754 16.023g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230606.0754 16.053g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.0765 16.063g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.0765 16.134g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230609.0637 16.273g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.9766 16.272g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.9766 16.421g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27850] TCP J17321088+0807243 up to now
by Taichi Kato 15 Jun '23

15 Jun '23

TCP J17321088+0807243 up to now Looks like a WZ Sge-type outburst. Superhumps have not yet been detected. YYYYMMDD(UT) mag observer 20230531.633 <140c (Minoru Yamamoto) 20230531.714 14.83B (Hiroshi Itoh) 20230531.714 14.84V (Hiroshi Itoh) 20230531.715 14.87Rc (Hiroshi Itoh) 20230531.715 14.89Ic (Hiroshi Itoh) 20230602.8120 154C (Masayuki Moriyama) 20230602.9440 15.317o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230602.9899 155cG (Masao Funada) 20230604.3742 15.566zr (ZTF Alert DC mag (Masci+ 2019)) 20230604.4323 15.444zg (ZTF Alert DC mag (Masci+ 2019)) 20230605.9823 15.810o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230605.9851 15.817o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.0180 15.776o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.0467 15.911o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.3675 15.803zr (ZTF Alert DC mag (Masci+ 2019)) 20230606.4226 15.732zg (ZTF Alert DC mag (Masci+ 2019)) 20230608.3127 16.049zr (ZTF Alert DC mag (Masci+ 2019)) 20230609.6611 164:C (Masayuki Moriyama) 20230610.2093 16.310o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.2126 16.324o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.2219 16.328o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.2357 16.241o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.1982 16.495c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.2010 16.531c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.2341 16.536c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.2409 16.470c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230613.7307 174:C (Masayuki Moriyama)

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[vsnet-alert 27848] V592 Her rebrightening
by Taichi Kato 15 Jun '23

15 Jun '23

V592 Her rebrightening First time recorded in this object? YYYYMMDD(UT) mag observer 20230607.4711 <17.916g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230608.4829 <18.008g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.0991 <18.171g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.2715 <18.413g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230614.190 16.53C (Gary Poyner) 20230614.2780 <18.356g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27847] ASASSN-19ct still brighter (AM CVn)
by Taichi Kato 15 Jun '23

15 Jun '23

ASASSN-19ct still brighter (AM CVn) Following superoutburst in late May. YYYYMMDD(UT) mag observer 20230612.510 151 (Rod Stubbings) 20230613.1329 14.942g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.1567 14.955g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230613.1813 14.89cG (Masao Funada) 20230614.0905 14.599g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230614.1422 14.307g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27846] V725 Aql superoutburst
by Taichi Kato 15 Jun '23

15 Jun '23

V725 Aql superoutburst (Combined magnitudes in ASAS-SN DB) YYYYMMDD(UT) mag observer 20230612.1208 <140 (Jose Ripero) 20230612.2987 12.764g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230612.596 137 (Rod Stubbings) 20230613.1884 13.58cG (Masao Funada) 20230613.2467 12.770g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230614.3099 12.840g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[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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