June 2023 - vsnet-alert - ooruri.kusastro.kyoto-u.ac.jp

[vsnet-alert 27854] AS Pav: new SU UMa star
by Taichi Kato 15 Jun '23

15 Jun '23

AS Pav: new SU UMa star Josch Hambsch reported observations. Superhumps are clearly seen (period about 0.09 d, will be refined later).

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[vsnet-alert 27853] BraTS-SON-T2-046 = TCPJ17294472-4236232: new SU UMa (probable WZ Sge) star
by Taichi Kato 15 Jun '23

15 Jun '23

BraTS-SON-T2-046 = TCPJ17294472-4236232: new SU UMa (probable WZ Sge) star Josch Hambsch reported observations. Superhumps are clearly seen (period about 0.06 d, will be refined later).

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[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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