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[vsnet-campaign-dn 17287] DM Lyr possible superoutburst
by Taichi Kato 18 May '23

18 May '23

DM Lyr possible superoutburst Judged from supercycle. Known SU UMa star. YYYYMMDD(UT) mag observer 20230511.6945 <158c (Yutaka Maeda) 20230513.5163 17.934o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5195 17.730o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5226 17.460o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.6164 <166C (Masayuki Moriyama) 20230514.069 <148 (Gary Poyner) 20230514.7287 <150c (… [View More]

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[vsnet-campaign-dn 17286] Re: PS1-3PIJ181025.43+193128.6 = Gaia18ama outburst
by Taichi Kato 18 May '23

18 May '23

Re: PS1-3PIJ181025.43+193128.6 = Gaia18ama outburst (Name changed) > Suspected SU UMa star. No true superoutburst was recorded > in the past. The current one appears to be the brightest ever. The duration suggests a superoutburst, if it is an SU UMa star. YYYYMMDD(UT) mag observer 20230506.3677 <16.859g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.4977 17.223o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.4995 17.270o (… [View More]

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[vsnet-campaign-dn 17285] Gaia18ama outburst
by Taichi Kato 18 May '23

18 May '23

Gaia18ama outburst Suspected SU UMa star. No true superoutburst was recorded in the past. YYYYMMDD(UT) mag observer 20230422.4431 17.150zg (ZTF Alert DC mag (Masci+ 2019)) 20230422.4659 18.140zr (ZTF Alert DC mag (Masci+ 2019)) 20230424.4425 18.245zr (ZTF Alert DC mag (Masci+ 2019)) 20230424.4608 16.939g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.4661 16.963zg (ZTF Alert DC mag (Masci+ 2019)) 20230426.4246 17.074zg (ZTF Alert DC mag (Masci+ … [View More]

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[vsnet-campaign-dn 17284] ASASSN-18eq: IW And star
by Taichi Kato 17 May '23

17 May '23

ASASSN-18eq: IW And star Type from ATLAS data. IW And-type standstill in 2023 Jan.-Mar. (twice) and some more in the past.

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[vsnet-campaign-dn 17283] ZTF23aajjayv = ATLAS23khx = TCPJ13070070+0659214: likely WZ Sge star
by Taichi Kato 17 May '23

17 May '23

ZTF23aajjayv = ATLAS23khx = TCPJ13070070+0659214: likely WZ Sge star (ASAS-SN positive data before May 13 may have been false detections) Large-amplitude outburst. YYYYMMDD(UT) mag observer 20230512.0661 <16.962g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.0673 <17.048g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.0686 16.874g (ASAS-SN survey (Shappee+2014; Kochanek+2017)) 20230512.2494 <15.386g (ASAS-SN survey (Shappee+2014; Kochanek+2017)… [View More]

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[vsnet-campaign-dn 17282] EW Hya: indeed SU UMa star
by Taichi Kato 17 May '23

17 May '23

EW Hya: indeed SU UMa star Greg Bolt has reported observations. The object showed superhumps with a period of 0.081 d and an amplitude of 0.17 mag on May 15. Further observations are requested to refine the period.

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[vsnet-campaign-dn 17281] TCPJ17552445-4743255: possible WZ Sge? peak in April
by Taichi Kato 17 May '23

17 May '23

TCPJ17552445-4743255: possible WZ Sge? peak in April YYYYMMDD(UT) mag observer 20230417.9655 15.000o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.9673 15.023o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230417.9703 14.993o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.0018 14.996o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1933 15.259c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1961 15.… [View More]278c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.1989 15.262c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.2041 15.241c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.4206 15.304c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3746 16.372c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3773 16.425c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3835 16.437c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3946 16.416c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4011 16.257c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4043 16.267c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4075 16.295c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4107 16.283c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0213 16.808o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0232 16.753o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0588 16.738o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230427.0748 16.692o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9252 17.376o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9419 17.415o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9447 17.479o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.9687 17.258o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3293 16.975c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3395 16.932c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3427 16.890c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.3483 16.848c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9250 17.521o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9269 17.281o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9303 17.415o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9317 17.664o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9342 17.674o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9355 17.372o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9394 17.651o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.9446 17.528o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9385 17.735o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9726 17.604o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.9907 17.620o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) [View Less]

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[vsnet-campaign-dn 17280] Re: V548 Pav bright outburst
by Taichi Kato 17 May '23

17 May '23

Re: V548 Pav bright outburst YYYYMMDD(UT) mag observer 20230514.3410 <18.250g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3204 14.083g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.599 142 (Rod Stubbings) 20230516.3314 14.067g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) Berto, the location is 211212.998 -663804.18 (2000.0) Gaia_DR2_6400875939749808256 plx=1.501(0.239) dismod=9.1 pmra=-3.542(0.282) pmdec=8.801(0.… [View More]

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[vsnet-campaign-dn 17279] ZTF19actaznc outburst: dip or rebrightening
by Taichi Kato 16 May '23

16 May '23

ZTF19actaznc outburst: dip or rebrightening (Gaia detection) http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bud/ Gaia23bud AT2023imp 2023-05-01 16:13:38 321.84744 37.76632 18.22 20.15 0.65 unknown 2023-05-15 09:50:11 Outburst in candidate CV ZTF19actaznc YYYYMMDD(UT) mag observer 20230411.4472 16.997zr (ZTF Alert DC mag (Masci+ 2019)) 20230411.4710 16.967zg (ZTF Alert DC mag (Masci+ 2019)) 20230416.4556 17.248zr (ZTF Alert DC mag (Masci+ 2019)) 20230416.4860 17.285zg (ZTF … [View More]Alert DC mag (Masci+ 2019)) 20230418.5994 17.349c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.6137 17.197c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.6215 17.213c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6048 17.284c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6109 17.356c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6150 17.396c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.6263 17.360c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5854 17.451c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5886 17.405c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.5918 17.379c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230423.6038 17.271c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5593 17.627c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5625 17.607c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5680 17.599c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5703 17.544c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5735 17.582c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5763 17.624c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5772 17.620c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.5823 17.644c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.4326 18.138zr (ZTF Alert DC mag (Masci+ 2019)) 20230501.4681 18.372zg (ZTF Alert DC mag (Masci+ 2019)) 20230502.6122 18.801o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.6194 18.768o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.6236 18.759o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.5890 18.863o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.5964 18.842o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5655 18.673o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5691 18.298o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5792 18.580o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.5856 18.630o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.4347 18.401zg (ZTF Alert DC mag (Masci+ 2019)) 20230513.5545 18.102o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5572 18.009o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5599 17.931o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230513.5818 18.046o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.5960 18.259o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.6118 18.121o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230514.6160 18.121o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) [View Less]

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[vsnet-campaign-dn 17278] V548 Pav bright outburst
by Taichi Kato 16 May '23

16 May '23

V548 Pav bright outburst The 2022 Oct.-Nov. outburst with similar brightness was a long outburst. Possible SU UMa? YYYYMMDD(UT) mag observer 20230514.3410 <18.250g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.3204 14.083g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230515.599 142 (Rod Stubbings)

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