ARCSAT ID NUMBER : AS06 DESCRIPTIVE TITLE: OU Astro4523/ 5523 training PI: John Wisniewski OBSERVER(S): John Wisniewski, Jamie Lomax UNCERTIFIED/UNTRAINED OBSERVERS: Mike Malatesta, Evan Rich, Steven Silverberg, Xuaxuan Duan, Kyra Dame, ... Berdis, Marcus Keil, Matt Scheffler, Brandon Curd, Tarryn Kahre COLLABORATORS: CONTACT INFORMATION: wisniewski@ou.edu; 206-427-0184 NUMBER OF WEEKS REQUESTED : 1 TIME ... Additional science targets will be proposed by the Astro 4523/5523 class. ...

R And SiO maser. S And SN (NGC 224). W And SiO maser. Z And Outbursts, average cycle 8400d. Porb = 758.8d, it reveals Z And itself in photometry during the low state. A quasi-period, P1, Z And about 656d is present during the outbursts. The beat period Z And between Porb and P1, about 5500d, is also found in the Z And photometric data. RS And H2O maser. RT And Min II = 9.28. P varies, current elements are given. RU And P varies strongly. RX And Porb = 0.209893d. RY And OH, H2O maser. SS And P2 = 650d, P3 =

... 47, No. 8, 2003, pp. ... 8 2003 Lower Temperature Limit of Accretors Table 2. Used numerical values of main accretor characteristics Type Neutron stars Name Her X-1 4U 0115+63 X0331+53 Cen X-3 Vela X-1 Magnetars AXJ 1845­0258 1E 2259+586 1E 1841­045 4U 0142+615 1E 1048­5937 1RXS J17084.9 Soft gamma-ray repeaters SGR 1900+14 SGR 1806­20 SGR 1627­41 Burster Polar Intermediate polars SAXJ 1808.4­36 AM Her DQ Her SW UMa T Tauri star 683 P ,s 1.24 3.61 4.38 4.84 283 6.97 ... Astrophys. ...