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

[vsnet-newvar 10168] ASASSN-17ju: WZ Sge star with long or multiple rebrightening
by Taichi Kato 15 Jun '23

15 Jun '23

ASASSN-17ju: WZ Sge star with long or multiple rebrightening From ATLAS data. Similar to WZ Sge.

1 0

[vsnet-newvar 10167] ASASSN-17mw: WZ Sge star with long rebrightening
by Taichi Kato 15 Jun '23

15 Jun '23

ASASSN-17mw: WZ Sge star with long rebrightening From ATLAS data.

1 0

[vsnet-newvar 10166] 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).

1 0

[vsnet-newvar 10165] 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))

1 0

[vsnet-newvar 10164] 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))

1 0

[vsnet-newvar 10163] 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)

1 0

[vsnet-newvar 10162] 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))

1 0

[vsnet-newvar 10161] 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.

1 0

[vsnet-newvar 10160] 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)

1 0

[vsnet-newvar 10159] 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)

1 0