I have observed this target the past nights. It's not yet in the VSX. Will send the data to you later today. Regards Josch -----Originele bericht----- Van: Yusuke <tampo@kusastro.kyoto-u.ac.jp> naar: vsnet-outburst <vsnet-outburst@ooruri.kusastro.kyoto-u.ac.jp>; vsnet-campaign-dn <vsnet-campaign-dn@ooruri.kusastro.kyoto-u.ac.jp>; vsnet-alert <vsnet-alert@ooruri.kusastro.kyoto-u.ac.jp> datum: dinsdag 20 mei 2025 10:04 CEST Onderwerp: [vsnet-alert 28062] ZTF18acynctq = TCP J20402089+4915562 = ASASSN-25bt: new SU UMa star candidate ZTF18acynctq = TCP J20402089+4915562 = ASASSN-25bt: new SU UMa star candidate XOSS team via TOCP/TNS and ASAS-SN reported the 2025 outburst of this system, which is already known as ZTF18acynctq in its 2018 outburst. https://alerce.online/object/ZTF18acynctq http://www.cbat.eps.harvard.edu/unconf/followups/J20402089+4915562.html https://www.aavso.org/vsx/index.php?view=detail.top&oid=10848612 Its 2018 outburst lasted for ~15 days and showed a possible rebrightening in the ATLAS data. Thus the outburst cycle is ~2300 d. This system is currently ~16.0 mag, and time-resolved observations may detect superhumps. Best regards, Yusuke -- ---------------------------------------------- South African Astronomical Observatory, Postdoc fellow 反保 雄介 Yusuke TAMPO MAIL: tampo@kusastro.kyoto-u.ac.jp MAIL: yusuke@saao.ac.za ----------------------------------------------