18 Jul
2023
18 Jul
'23
3:57 p.m.
No.121 2023 Jul. SDSS J183131.63+420220.2: AM CVn star showing ER UMa-type behavior and long standstill Taichi Kato
http://vsolj.cetus-net.org/bulletin.html
-------- Seiichiro Kiyota VSOLJ