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[vsnet-campaign-dn 17254] ZTF23aaiqwqg = ATLAS23jua = Gaia23btf: likely WZ Sge star
by Taichi Kato 12 May '23

12 May '23

ZTF23aaiqwqg = ATLAS23jua = Gaia23btf: likely WZ Sge star As judged from the light curve. YYYYMMDD(UT) mag observer 20230501.0844 16.282o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0866 16.218o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0894 16.199o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.0968 16.194o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.2965 16.742o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3015 16.722o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3028 16.899o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3033 16.692o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3065 16.605o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3119 16.512o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0483 16.977o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0501 17.006o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0528 17.011o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230504.0592 16.925o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2944 17.154o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.2962 17.073o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.3100 17.304o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230505.3155 17.167o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0577 17.496o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0608 17.310o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0636 17.443o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230507.0780 17.451o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2362 17.440o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2394 17.697o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2450 17.641o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.2505 17.613o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.9939 17.664o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.9958 17.845o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.9986 17.538o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3923 17.631o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.3955 17.602o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4056 17.796o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4065 17.916o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230511.4112 17.748o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-campaign-dn 17253] V1006 Cyg unusual state with frequent, short outbursts
by Taichi Kato 11 May '23

11 May '23

V1006 Cyg unusual state with frequent, short outbursts Bright quiescence. YYYYMMDD(UT) mag observer 20230325.5615 16.121g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230327.5977 16.117g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230328.5917 15.631o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230328.5949 15.535o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230328.6009 15.566o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230328.6016 15.171g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230328.6081 15.605o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230328.8512 <152c (Yutaka Maeda) 20230329.4346 15.298zr (ZTF Alert DC mag (Masci+ 2019)) 20230329.4539 15.305zr (ZTF Alert DC mag (Masci+ 2019)) 20230329.8044 158C (Masayuki Moriyama) 20230402.7739 <152c (Yutaka Maeda) 20230402.8069 168C (Masayuki Moriyama) 20230406.5952 16.480o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.5984 16.594o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.6039 16.674o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230406.6193 16.753o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230407.7803 164:c (Yutaka Maeda) 20230407.8105 164:C (Masayuki Moriyama) 20230408.4737 16.315zr (ZTF Alert DC mag (Masci+ 2019)) 20230408.4746 16.356zr (ZTF Alert DC mag (Masci+ 2019)) 20230408.7621 <160c (Yutaka Maeda) 20230408.8218 170:C (Masayuki Moriyama) 20230409.7764 <157c (Yutaka Maeda) 20230410.4309 15.518zr (ZTF Alert DC mag (Masci+ 2019)) 20230410.4381 15.526zr (ZTF Alert DC mag (Masci+ 2019)) 20230410.4734 15.451zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.4901 15.479zg (ZTF Alert DC mag (Masci+ 2019)) 20230410.6037 15.525o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.6244 15.600o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.6324 15.586o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.6362 15.585o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230410.7743 <144c (Yutaka Maeda) 20230410.8302 156C (Masayuki Moriyama) 20230412.4894 16.040zr (ZTF Alert DC mag (Masci+ 2019)) 20230412.7475 <158c (Yutaka Maeda) 20230414.5127 16.150g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230415.8223 <163C (Masayuki Moriyama) 20230416.5907 16.804o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.5941 16.780o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.6185 16.815o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.6234 16.858o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230416.7432 <158c (Yutaka Maeda) 20230417.4482 16.854zr (ZTF Alert DC mag (Masci+ 2019)) 20230417.4740 16.950zg (ZTF Alert DC mag (Masci+ 2019)) 20230417.7592 <153c (Yutaka Maeda) 20230418.6162 16.149g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230420.4685 16.918zr (ZTF Alert DC mag (Masci+ 2019)) 20230420.4840 16.865zr (ZTF Alert DC mag (Masci+ 2019)) 20230421.3636 16.145g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230421.7810 <157c (Yutaka Maeda) 20230422.4339 17.298c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.4543 16.937zg (ZTF Alert DC mag (Masci+ 2019)) 20230422.4558 17.040c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.4590 17.378c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.4774 16.803c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230422.4783 16.456zr (ZTF Alert DC mag (Masci+ 2019)) 20230422.7552 <152c (Yutaka Maeda) 20230423.4458 16.402zr (ZTF Alert DC mag (Masci+ 2019)) 20230423.4816 16.677zg (ZTF Alert DC mag (Masci+ 2019)) 20230423.4994 15.994g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230424.4516 15.456zr (ZTF Alert DC mag (Masci+ 2019)) 20230424.4785 15.387zg (ZTF Alert DC mag (Masci+ 2019)) 20230424.5636 15.608c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230424.5654 15.552c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230424.5692 15.592c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230424.5743 15.584c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.4479 16.363zr (ZTF Alert DC mag (Masci+ 2019)) 20230426.5466 17.031c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230426.5498 17.006c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230426.5560 16.864c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230426.5643 17.014c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230426.7541 <156c (Yutaka Maeda) 20230427.4683 16.816zr (ZTF Alert DC mag (Masci+ 2019)) 20230427.6071 16.139g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230427.7838 <142c (Yutaka Maeda) 20230429.4727 16.834zr (ZTF Alert DC mag (Masci+ 2019)) 20230430.7628 <152c (Yutaka Maeda) 20230501.4000 16.825zr (ZTF Alert DC mag (Masci+ 2019)) 20230501.7741 <164c (Yutaka Maeda) 20230502.4221 16.608o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.4447 16.677o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.4689 16.449o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.4822 16.569o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.7063 155:c (Yutaka Maeda) 20230507.4744 15.821g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230508.5571 16.707o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.5670 16.593o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230508.5747 16.548o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230509.7009 158:c (Yutaka Maeda)

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[vsnet-campaign-dn 17252] ASASSN-18ir likely superoutburst
by Taichi Kato 11 May '23

11 May '23

ASASSN-18ir likely superoutburst Likely supercycle around 1.5 yr (ATLAS+ASAS-SN ver2) YYYYMMDD(UT) mag observer 20230428.0703 <17.385g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.1142 <18.156g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.9907 16.861o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.9936 16.933o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.0000 16.937o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.1163 16.377g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.1351 16.307g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.1464 16.696o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.1491 16.679o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230503.1546 16.749o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-campaign-dn 17251] V415 Lyr possible superoutburst
by Taichi Kato 11 May '23

11 May '23

V415 Lyr possible superoutburst The past light curve looks like that of an SU UMa star with an unresolved brighter companion. If this interpretation is correct, the current outburst looks like a superoutburst. YYYYMMDD(UT) mag observer 20230429.3577 17.114g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230430.7859 <149c (Yutaka Maeda) 20230501.7971 <155c (Yutaka Maeda) 20230507.4282 15.545g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230509.4324 15.644g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230509.7242 <160c (Yutaka Maeda) 20230509.7782 160C (Masayuki Moriyama) 20230510.3641 15.697g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-campaign-dn 17250] V611 Her superoutburst
by Taichi Kato 09 May '23

09 May '23

V611 Her superoutburst Known SU UMa star, but more observations are desired. YYYYMMDD(UT) mag observer 20230426.6536 <165c (Yutaka Maeda) 20230426.7723 <175C (Masayuki Moriyama) 20230426.9968 <17.703g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230427.6859 <140c (Yutaka Maeda) 20230428.3969 <17.659g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.3969 <17.557g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.9795 <180cG (Masao Funada) 20230429.2331 <17.739g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.2331 <18.047g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.4549 19.353zg (ZTF Alert DC mag (Masci+ 2019)) 20230429.4650 18.928zr (ZTF Alert DC mag (Masci+ 2019)) 20230430.3319 <17.802g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230430.3319 <18.040g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230430.6623 <153c (Yutaka Maeda) 20230430.7451 <167C (Masayuki Moriyama) 20230501.3880 16.442g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.3880 16.941g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.6734 <158c (Yutaka Maeda) 20230502.6060 <152c (Yutaka Maeda) 20230505.2172 15.061g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230505.2172 15.212g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230506.065 14.96C (Gary Poyner) 20230506.0665 14.89cG (Masao Funada) 20230507.1589 15.119g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.1589 15.194g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230507.1589 15.307g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-campaign-dn 17249] Gaia23bqv: possible SU UMa-type outburst
by Taichi Kato 06 May '23

06 May '23

Gaia23bqv: possible SU UMa-type outburst (but probably already faint) http://gsaweb.ast.cam.ac.uk/alerts/alert/Gaia23bqv/ YYYYMMDD(UT) mag observer 20230414.9836 16.712o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.0058 16.605o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.0098 16.622o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230415.0131 16.606o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.0653 17.338o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.0708 17.424o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.0748 17.367o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230418.1104 17.410o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.2294 17.738c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.2326 17.835c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.2677 17.654c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230419.3019 17.553c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3586 18.326c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3631 18.398c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3691 18.477c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230425.3909 18.575c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-campaign-dn 17248] Please check ASASSN-18ace
by Taichi Kato 04 May '23

04 May '23

Please check ASASSN-18ace ASAS-SN ver.2 reported g=14.4 on May 3. There was a superoutburst at g=14.6 on 2018 Dec. 24. No detection since then.

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[vsnet-campaign-dn 17247] ASASSN-15jk likely superoutburst
by Taichi Kato 04 May '23

04 May '23

ASASSN-15jk likely superoutburst Type from ATLAS. YYYYMMDD(UT) mag observer 20230428.3344 <18.150g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230428.8166 <17.917g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230429.2133 <18.080g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230501.0887 16.254g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.1839 16.376g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230503.7876 16.602g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-campaign-dn 17246] ASASSN-15hj: IW And star
by Taichi Kato 04 May '23

04 May '23

ASASSN-15hj: IW And star ATLAS + ASAS-SN ver.2 Typical IW And behavior in 2017. Additional standstills with terminal brightening in recent years.

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[vsnet-campaign-dn 17245] MASTER OT J203421.90+120656.9: yet another object with dip currently in likely superoutburst
by Taichi Kato 04 May '23

04 May '23

MASTER OT J203421.90+120656.9: yet another object with dip currently in likely superoutburst Behavior very similar to MASTER OT J055845.55+391533.4 and MASTER OT J172758.09+380021.5. Supercycle 65 d in 2022. See https://ui.adsabs.harvard.edu/abs/2023arXiv230407695K YYYYMMDD(UT) mag observer 20230420.3883 18.352c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.3902 18.293c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.4054 18.349c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230420.4222 18.376c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230421.4522 17.230zg (ZTF Alert DC mag (Masci+ 2019)) 20230421.4679 17.523zr (ZTF Alert DC mag (Masci+ 2019)) 20230423.4438 17.830zr (ZTF Alert DC mag (Masci+ 2019)) 20230423.4752 17.561zg (ZTF Alert DC mag (Masci+ 2019)) 20230426.4269 18.398zg (ZTF Alert DC mag (Masci+ 2019)) 20230426.4706 18.765zr (ZTF Alert DC mag (Masci+ 2019)) 20230429.3813 18.389c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3845 18.728c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3906 18.475c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.3988 18.714c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230429.4257 18.596c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.1380 18.780o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.1485 18.950o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230501.4231 18.241zr (ZTF Alert DC mag (Masci+ 2019)) 20230501.4630 17.983zg (ZTF Alert DC mag (Masci+ 2019)) 20230502.3294 18.749o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3326 19.164o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230502.3381 18.897o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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