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))