... Tonight's Sky . ... Astronomy for Kids . ... Do orbital motions between galaxies affect calculations of the cosmological redshift? ... RELATED TOPICS: COSMOLOGICAL REDSHIFT . ... The observed redshift, or wavelength shift due to motion, of a galaxy s characteristic light spectrum is a combination of the galaxy s motion with respect to its neighbors ( peculiar velocity ) and the expansion of the universe ( cosmological redshift ). ... Get instant access to subscriber content on Astronomy.com! ...

The Parkes 21cm Multibeam Receiver is a new facility available on the Parkes Telescope which is operated by the Australia Telescope National Facility (ATNF), CSIRO. The facility consists of a 13-beam cooled 21cm receiver system, located at the prime focus of the 64m dish. ... Completed 21cm Multibeam Receiver being hoisted up to the Parkes focus cabin. ... It is now available, in 64 MHz mode and in pulsar mode, for normal National Facility use. ... Beam 1 . Beams 2-7 . ... Frequency Range . ...

... Reference ID: CHU . Driver ID: CHU . Serial Port: /dev/chu u ; 300 baud, 8-bits, no parity . ... Unlike the NIST time services, whose timecode requires quite specialized hardware to interpret, the CHU timecode can be received directly via a serial port after demodulation. ... The time1 fudge option can be used to set the CHU propagation delay, compensate for inherent latencies in the serial port hardware and operating system. ... Not used by this driver. stratum number . ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

Gain curve description, location, and code to evaluate the curves. ... Data taken mar03 to feb05. Gain curve installed 28feb05. ... Data taken mar05 . ... Data taken Mar03 thru sep03 Installed 02nov03. ... This is after the new horn was installed. ... Data taken 27aug02 thru sep02: This gain curve was made after the lbn horn focus was moved on 27aug02. ... The cband gain curve was taken from data 28aug02 thru 30nov02. ... Calibration data from mar03 thru sep03 was used to compute gain curves. ...

... region (region-6.2.2) [xmmsas_20030110_1802-5.4.1] . ... module region _mod subroutine region get parameters; open source list; foreach source transform celestial coordinates to sky location; calculate initial estimated extraction radius; calculate distance to nearest neighbour ; loop sort sources in ascending order of nearest neighbour separation; initialise array of flags; ; First pass considering just nearest- neighbour pairs foreach source in sorted list if( ...

... Tracking stations will be selected in accordance with the schedule issued daily by the General Operative Control Group (GOCG) in Lavochkin Association with the gaps in operations during spacecraft contact with the control stations (CS). ... Communication frequencies (carrier): high data rate information transmission downlink from the SRT ­ 15.000 GHz; uplink synchronization ­ 7.2075 GHz; downlink synchronization ­ 8.400 GHz. ...

Dajuan Harrison (x4990) -Telecommunications & Staff Support Services Specialist Telephones . ... Jeff Nesbitt (x4729) - LeadStaff Support Services Clerk Requests for Services (Facilities Requests) . ... Event Coordination & Support . ... Jim Whiting (x4589) - StaffSupport Services Clerk II Requests for Services (Facilities Requests) . ... Event Support . ... Fred Keys (x4388) - Staff SupportServices Clerk II Requests for Services (Facilities Requests) . ... Administrative Support Functions for SSS . ...

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

... AstroCC is a coordinate conversion utility for astronomy. It accepts an object designation or the coordinates of an object and calculates coordinates in alternative systems, and at different dates, times, and locations. It also provides lunar and bright planet coordinates to aid in planning observations. ... BJD values may also be retrieved from http://astroutils.astronomy.ohio-state.edu/time/utc2bjd.html which is based on Eastman et al. ... Coordinate data are obtained from SIMBAD. ...

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