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

[vsnet-alert 27928] TCP J16420534+8156125 ATLAS detection
by Taichi Kato 02 Aug '23

02 Aug '23

TCP J16420534+8156125 ATLAS detection YYYYMMDD(UT) mag observer 20230729.3508 18.834o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230729.3656 18.478o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3159 12.996o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3191 13.006o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3291 13.031o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3343 13.054o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3598 12.995o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3631 12.989o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230731.3685 12.973o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27926] IPHAS J013840.58+580811.2: current and 2020 outbursts (likely super)
by Taichi Kato 02 Aug '23

02 Aug '23

IPHAS J013840.58+580811.2: current and 2020 outbursts (likely super) YYYYMMDD(UT) mag observer 20230627.5435 <18.340g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230630.5504 <18.320g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230725.5861 14.380c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230725.5883 14.344c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230725.5915 14.355c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230725.6032 14.406c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230727.5336 14.833c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230727.5368 14.884c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230727.5444 14.894c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230727.5584 14.883c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230729.5544 15.023o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230729.5576 14.952o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230729.5726 15.159o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 2020 (rapid fading suggests an SU UMa-type superoutburst) YYYYMMDD(UT) mag observer 20200719.5053 <18.365g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200720.5508 <18.762g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200720.5972 19.788o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200722.6159 <18.143g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200723.3783 <18.100g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200723.5375 <18.528g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200724.3806 <17.868g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200728.3704 15.288g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200728.4769 15.400g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200728.5797 15.323o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200728.5830 15.352o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200728.5885 15.392o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200728.6057 15.236o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200729.3692 15.439g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200730.3688 15.577g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200730.4613 15.596g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200730.6013 15.568c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200730.6114 15.547c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200730.6197 15.618c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200730.6294 15.523c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200731.3865 15.851g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200731.4201 15.684g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200801.3600 15.706g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200801.5489 15.920g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200801.5782 15.931o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200801.5853 15.928o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200801.5895 15.954o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200801.6111 15.951o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200802.3558 16.212g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200803.5814 16.041o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200803.5846 16.042o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200803.5959 16.082o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200805.3930 15.985g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200806.4194 16.184g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200807.5109 16.486o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200807.5154 16.442o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200807.5206 16.448o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200807.5325 16.552o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200808.3365 <17.180g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200808.4547 <17.431g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200809.3395 <17.177g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200809.4959 <17.569g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200809.5320 18.599o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200809.5339 18.597o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200809.5366 18.570o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200809.5408 18.470o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200809.5418 18.752o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200811.2897 <17.890g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200811.4742 <18.055g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200813.4166 <18.324g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200813.4658 <18.320g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200813.5673 19.450o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200813.5701 19.249o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200813.5779 19.251o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200817.4405 <18.406g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20200817.5466 19.282o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20200819.4397 <18.535g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014))

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[vsnet-alert 27925] Re: ZTF J191837.29+212722.1: FU Ori outburst?
by Taichi Kato 02 Aug '23

02 Aug '23

Re: ZTF J191837.29+212722.1: FU Ori outburst? Forgot to mention the TCP name (discovery of the outburst). TCP J19183710+2127170

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[vsnet-alert 27924] ZTF J191837.29+212722.1: FU Ori outburst?
by Taichi Kato 02 Aug '23

02 Aug '23

ZTF J191837.29+212722.1: FU Ori outburst? From ATLAS data. Not much variation until 2022. Recent brightening. 2MASS 191837.288 +212722.31 (2000.0) 13.810 12.942 12.628 191837.292 +212722.14 (2000.0) Gaia_DR2_4517076551873840384 plx=1.660(0.085) dismod=8.9 pmra=0.697(0.116) pmdec=-6.845(0.153) G=17.188 BP=18.800 RP=15.916 191837.292 +212722.13 (2000.0) Gaia_EDR3_4517076551873840384 plx=1.533(0.063) dismod=9.1 pmra=0.700(0.058) pmdec=-6.627(0.065) G=17.150 BP=18.664 RP=15.905 The object is too underluminous for a Mira/SR (thus not likely a symbiotic nova). FU Ori star? Somewhat close to a star-forming region. YYYYMMDD(UT) mag observer 20230521.5095 16.341o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230521.5127 16.382o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230521.5160 16.360o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230521.5240 16.298o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.5956 16.232o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.5997 16.211o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.6048 16.212o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.6107 16.169o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230523.6191 16.251o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.5757 16.357o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.5794 16.370o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.6000 16.370o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.6073 16.339o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.4842 16.299o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.4869 16.306o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.4934 16.297o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230527.4985 16.324o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.4600 16.191o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.4628 16.198o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.4685 16.201o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230529.4785 16.214o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.4791 16.017o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.4820 15.994o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.4857 15.978o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230606.4909 15.927o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230608.4794 16.005o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230608.4808 15.980o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230608.4839 15.954o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230608.5106 15.980o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.4609 15.966o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.4638 15.959o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.4692 15.989o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230610.4745 16.000o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.4449 16.822c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.4477 16.787c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.4693 16.832c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230612.4837 16.876c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230614.4493 17.049c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230614.4508 17.117c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230614.4540 17.179c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230614.4671 17.170c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230615.1830 16.840c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230615.1972 17.093c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230615.2009 16.956c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230615.2058 16.907c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230616.4438 17.053c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230616.4452 17.019c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230616.4589 17.062c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230616.4649 17.028c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230618.4436 16.961c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230618.4450 16.992c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230618.4497 17.046c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230618.4655 16.973c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4350 16.609c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4359 16.483c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4373 16.551c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4377 16.543c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4418 16.583c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4429 16.590c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4468 16.647c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230620.4517 16.769c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230622.4667 16.049c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230622.4681 16.053c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230622.4709 16.021c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230622.4759 15.962c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230628.4347 14.391o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230628.4385 14.363o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230628.4446 14.366o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230628.4527 14.385o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230630.4306 14.433o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230630.4319 14.431o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230630.4347 14.418o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230630.4407 14.364o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230701.1899 14.544o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230701.1912 14.572o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230701.1948 14.537o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230701.2021 14.547o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230703.2326 15.158o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230703.2354 15.148o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230703.2708 15.004o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230703.2772 15.083o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230704.4335 15.305o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230704.4348 15.324o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230704.4387 15.323o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230704.4452 15.317o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230706.4301 15.037o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230706.4319 15.043o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230706.4346 15.032o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230706.4409 15.011o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230708.4715 14.816o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230708.4956 14.824o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230708.4978 14.795o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230708.5259 14.899o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230709.2206 14.746o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230709.2257 14.735o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230709.2289 14.762o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230709.2588 14.835o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4563 15.156c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4595 15.151c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4653 15.133c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4685 15.209c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4738 15.117c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4765 15.094c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4881 15.117c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230712.4913 15.329c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230714.4602 15.006c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230714.4634 15.019c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230714.4969 15.089c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230714.5143 15.035c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230715.2108 13.945o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230715.2377 13.923o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230715.2409 13.937o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230715.2469 13.928o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230716.4238 15.253c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230716.4573 15.140c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230716.4602 15.131c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230716.4656 15.172c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4757 14.639c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4784 14.670c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4793 14.625c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4867 14.617c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4922 14.629c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230720.4974 14.579c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230721.2031 14.002o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230721.2081 13.669o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230721.2260 13.872o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230721.2287 13.964o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230722.4230 14.782c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230722.4540 14.808c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230722.4570 14.846c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230722.4620 14.818c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230724.4232 14.666c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230724.4261 14.726c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230724.4316 14.692c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230724.4675 14.789c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230726.4292 14.475c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230726.4325 14.504c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230726.4397 14.491c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230726.4495 14.516c (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230728.4094 13.927o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230728.4126 13.923o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230728.4200 13.927o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230728.4299 13.961o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230730.4081 13.737o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230730.4117 13.723o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230730.4172 13.711o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230730.4271 13.712o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230801.3906 13.759o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230801.3990 13.789o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230801.4023 13.773o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021))

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[vsnet-alert 27923] IPHAS J013840.58+580811.2 = TCP J01384061+5808110: outburst of possible SU UMa star?
by Taichi Kato 01 Aug '23

01 Aug '23

IPHAS J013840.58+580811.2 = TCP J01384061+5808110: outburst of possible SU UMa star? The 2020 July-Aug. outburst resembles a super (ASAS-SN ver2). The current outburst is similar in brightness.

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[vsnet-alert 27922] MisV1448 outburst confirmed
by Taichi Kato 01 Aug '23

01 Aug '23

MisV1448 outburst confirmed Itoh-san confirmed the outburst. An 1-hour run showed a flat light curve.

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[vsnet-alert 27921] MisV1448 outburst?
by Taichi Kato 31 Jul '23

31 Jul '23

MisV1448 outburst? Long-Porb SU UMa star with multiple rebrightenings. Last superoutburst in 2020. Another one in 2012. YYYYMMDD(UT) mag observer 20230715.9500 <142 (Eddy Muyllaert) 20230717.024 <150 (Gary Poyner) 20230717.9500 <142 (Eddy Muyllaert) 20230719.9507 <142 (Eddy Muyllaert) 20230729.9438 131 (Eddy Muyllaert)

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[vsnet-alert 27920] V548 Pav outburst
by Taichi Kato 26 Jul '23

26 Jul '23

V548 Pav outburst Subtype not determined yet. Possibly a long-Porb SU UMa star. YYYYMMDD(UT) mag observer 20230710.8578 <18.478g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230711.2913 <17.856g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230711.3549 <18.170g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230725.474 143 (Rod Stubbings)

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[vsnet-alert 27919] VY Scl fading
by Taichi Kato 26 Jul '23

26 Jul '23

VY Scl fading As pointed out by Rod Stubbings. YYYYMMDD(UT) mag observer 20230614.4047 13.381g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230616.2739 13.649g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230617.3584 13.664g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230619.2794 13.115g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230623.0134 13.247g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230624.0234 13.387g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230625.2558 13.569g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230626.2966 13.750g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230629.2510 13.650g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230630.4389 14.046g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230702.2937 13.475g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230703.3364 13.478g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230705.2270 13.728g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230708.4395 13.474g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230711.5528 141 (Rod Stubbings) 20230712.5667 140 (Rod Stubbings) 20230715.6410 144 (Rod Stubbings) 20230716.7431 141 (Rod Stubbings) 20230717.5549 144 (Rod Stubbings) 20230725.505 <153 (Rod Stubbings)

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[vsnet-alert 27918] ASASSN-14ak bright outburst (super?)
by Taichi Kato 24 Jul '23

24 Jul '23

ASASSN-14ak bright outburst (super?) Superoutburst + rebrightening in 2019 June (ASAS-SN DB). The current one appears to be brighter than the 2023 Feb. one (long normal outburst?) YYYYMMDD(UT) mag observer 20230710.7174 <17.613g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230711.7139 <17.872g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230722.360 129 (Rod Stubbings)

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