Re: Carter_SDSSJ173047.59+554518.5 rare superoutburst (AM CVn) Recent data: YYYYMMDD(UT) mag observer 20230524.5141 19.376o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5442 19.253o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230524.5502 19.170o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230525.3606 19.310zr (ZTF Alert DC mag (Masci+ 2019)) 20230525.3891 19.188zr (ZTF Alert DC mag (Masci+ 2019)) 20230525.4054 19.499zg (ZTF Alert DC mag (Masci+ 2019)) 20230526.4524 18.826o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.4779 19.099o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.4817 18.659o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230526.5090 18.846o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5122 14.480o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5419 14.478o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.5739 14.455o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230528.6010 14.504o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5266 14.752o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230530.5589 14.574o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230531.522 144C (Mitsutaka Hiraga) 20230531.621 144C (Mitsutaka Hiraga) 20230601.2496 14.405g (ASAS-SN Sky Patrol Photom. DB (Hart+2023; Shappee+2014)) 20230601.4872 14.975o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.4908 14.960o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) 20230601.5198 14.908o (ATLAS Forced Photometry (Tonry+2018; Shingles+2021)) Time-resolved photometric campaigns were conducted in 2014 and 2016.