... These Facts and Questions pages mainly tell you how to use the Aberrator-interface and also explain the nature of the aberrations. ... Airy disc: the brightest spot of light when you look at a star in focus. This disc can contain a maximum of 84% of all the light that arrives from a star (perfect refractor telescope). MCT : Maksutov-Cassegrain telescope. A closed-tube mirror-telescope with a secondary obstruction. Less common than the SCT, this telescope uses a corrector (real glass). ...
... 000, 113 (2010) Printed 21 September 2011 A (MN L TEX style file v2.2) A universal ultraviolet-optical colourcolourmagnitude relation of galaxies I1gor V. Chilingarian1,2, and Ivan Yu. ... Received 2011 Sep 15; in original form 2011 Feb 6 ABSTRACT The bimodal galaxy distribution in the optical colourmagnitude diagram (CMD) comprises a narrow "red sequence" populated mostly by early-type galaxies and a broad "blue cloud" dominated by star-forming systems. ...
... line .. ... line cable . ... Signal ACK NAK NOD ACN ACY ACW SINC DNG Hex. co de 0x87 0x96 0xA5 0xB4 0xC3 0xD2 0xE1 0xF0 Meaning Successful receiving of data Damaged packet was received Required data are not ready Command is successfully received but such a command do es not exist Command is successfully received and executed Command is successfully received but can not b e executed right now Synchronization signal Danger signal 29 Within the packet, the command byte follows after the header byte. ...