ASASSN-25en: new SU UMa-type dwarf nova
ASASSN discovered ASASSN-25en on 2025-11-03 UT at 14.94 mag. The outburst amplitude in the VSX is ~7.5 mag. https://vsx.aavso.org/index.php?view=detail.top&oid=10868163
Josch Hambsch and Itoh-san have reported the time-resolved observations. The light curve after 2025-11-11 UT shows a single-peaked superhump with a period of either 0.06003(3) or 0.06390(3) d. Thus, ASASSN-25en is a new SU UMa-type dwarf nova. The rapid decline from the outburst was observed around 2025-11-21 UT.
Best regards, Yusuke
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South African Astronomical Observatory, Postdoc fellow Yusuke TAMPO / ๅไฟ ้ไป EMAIL: tampo@kusastro.kyoto-u.ac.jp ALT. EMAIL: yusuke@saao.ac.za
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vsnet-outburst@ooruri.kusastro.kyoto-u.ac.jp
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Yusuke Tampo