vsolj-obs に報告された前原さんの観測によれば、激変星 RXJ0909.8+1849 が (モニター開始以来初の?)アウトバーストを起こしている可能性があります。 確認観測が望まれます。 Outburst? of RXJ0909.8+1849 H. Maehara (Saitama, Japan) reports (unconfirmed) outburst of RX J0909.8+1849, a ROSAT-selected cataclysmic variable. The object is normally at V=16.4, and was recorded in outburst on the GSC plate (mag 12.53). Confirmatory and follow-up observations are strongly urged. YYYYMMDD(UT) mag observer 19991103.130 <145 (T. Kinnunen) 19991104.119 <150 (T. Kinnunen) 19991105.807 <140 (T. Watanabe) 19991130.119 <145 (T. Kinnunen) 19991208.990 <145 (T. Kinnunen) 19991210.751 <140 (T. Watanabe) 19991214.960 <145 (T. Kinnunen) 19991216.919 <145 (T. Kinnunen) 20000103.691 <142 (T. Watanabe) 20000104.626 <139 (T. Watanabe) 20000122.980 <140 (T. Kinnunen) 20000201.819 <145 (T. Kinnunen) 20000210.692 130 (H. Maehara)