яЛП . PubliУ? le 23/05/2008 par Garry Wasikowski . Lieu : Warloy-Baillon . CoordonnУ?es GPS : 50ТА00'N 2ТА32'E . MatУ?riel de prise de vue : APN compact Samsung VP-D6040i sur pied. Commentaires : Il s'agit d'une rencontre entre le croissant de Lune, VУ?nus qui У?tincelle, Saturne et Regulus du Lion. C'У?tait le 6 octobre 2007 au petit matin. La tУ?te du Lion est visible. F/D=2,8, 8 secondes Уљ 100 ISO. Dommage que la photo ne puisse pas rendre compte de la fУ?erie du spectacle.

... For XMM-Newton a ToO is an astronomical event observable by its instruments, which cannot be predicted and scheduled on the time scale of one year, yet is scientifically significant to justify the interruption of the ongoing XMM-Newton programme. ... Thus, XMM-Newton provides a unique opportunity for a wide variety of sensitive X-ray observations accompanied by simultaneous optical/UV measurements. ... It takes almost 48 hours to complete one revolution around the Earth. ... Figure Captions Figure 1...

... The Thickness of Stellar Disks in Early-type Galaxies E. M. Chudakova* and O. K. Sil'chenko ** Sternberg Astronomical Institute, Lomonosov Moscow State University, Moscow, Russia Received August 19, 2013; in final form, October 30, 2013 Abstract--We suggest and justify a new photometric method enabling the derivation of the relative thickness of a galactic disk from the two-dimensional surface-brightness distribution of the galaxy in the plane of the sky. ... The galaxies are non-interacting. ...