Proposal Identification No.: A2006 Date Received: 2004­Sep­29 23:04:06 Technical Page Proposal Type: Regular General Category : Astronomy Sub­ Category : Spectroscopy Observation Category : Galactic Total Time Requested: 5 Hours Proposal Title: Coordinated Radio and X­ray Observations of the Flaring and Quiescent Corona of the Active Binary Sigma Gem ABSTRACT: We propose to observe the active RS CVn binary star Sigma Gem using the L­ band ... Maybe Part of the observing run. ...

... Digital Filterbank Systems . ... Observing . ... The Parkes 21cm Multibeam Receiver consists of a 13-beam cooled 21cm receiver system, located at the prime focus of the 64m dish. ... Signals from 26 channels (note 2 polarizations) are down-converted and sent to the pulsar Multibeam filterbank system in the control room. This provides 2 x 96 x 3 MHz channels for each beam. ... The Multibeam filterbank system accepts IFs in the range 1230 - 1518 MHz (total bandwidth 288 MHz for each polarization). ...

... Previous: Filtering KPNO LaTeX Observing Proposals with Perl . ... The Planning and Scheduling Tool was designed allow the user easily to take advantage of all available resources of the four telescopes (LASCO's three coronagraphs and the EIT Telescope) to maximize the use of the telemetry downlink. The Planning Tool allows users to develop customized observing sequences while monitoring compression factors and on-board processing times to realistically work within the limits of the instruments. ...

... ALMA . ... ARC Staff at ESO . ... The European ALMA Regional Centre (ARC) provides the interface between the ALMA project and the European science community. ... Below you can read the latest Announcements from the European ARC Network.. ... The call for 1-mm Very Long Baseline Interferometry (VLBI) proposals to use phased ALMA at Band 6 in Cycle 4, in collaboration with the Event Horizon Telescope Consortium (EHTC), will be released to coincide with the ALMA Cycle 4 Call for Proposals in March 2016...

... They are concerned with Attitude Control System of the spacecraft, satellite visibility from tracking stations, limits on the satellite autonomous operations during the orbit, and needs for auxiliary operations with the spacecraft. ... Among the operational constraints the most important one is the number of programmed slews per orbit, which determines the maximum number of radio sources to be observed during one orbit. ... System temperature (K) . ... Progress of the RadioAstron Project in Pictures...

Proceedings of the Particle Physics and Early Universe Conference (PPEUC). ... TESRE, Consiglio Nazionale delle Ricerche, Via Gobetti 101, 40129 Bologna, Italy . Dip. Fisica, Universit? di Roma TRE, Roma, Italy . ... Observations will take advantage of the exceptional dryness and stability of the atmosphere on the high Antarctic Plateau, at Dome C. The first run of observations was performed in December 96 -- January 97 at the Italian-French site, Concordia, at Dome C (Antarctica). ...

... Tonight's Sky . ... Sky this Month . ... An artificial comet holds secrets to Earths life . ... The Sky This Week: April 1 - 10 . ... Sky this Week . ... Astronomy for Kids . ... Sky Events . ... What's the altitude of a typical artificial satellite, and how can I see one? ... T here's no such thing as a typical artificial satellite, so there is no single altitude. ... Get instant access to subscriber content on Astronomy.com! ... If you are already registered on Astronomy.com, please log in below. ...

... Within the transnational Access program of SOLARNET, European investigators can apply for observing time with the European instruments IBIS and ROSA , which are installed at the Dunn Solar Telescope of the US National Solar Observatory ( DST/NSO ). ... Periodic calls for proposals will be published for requesting SOLARNET observing time with the European instruments IBIS and ROSA, installed at the Dunn Solar Telescope of the US National Solar Observatory (DST/NSO). ... SOLARNET Access . ...

Databases (NSDC) of the Natural Planetary Satellites. ... NSDC: Database of astrometric observations of Natural Planetary Satellites . ... They are thoroughly looking for observations in different sources, creating their owndatabases which are then mostly inaccessible to other researchers. ... In the file "content" with explications, the reference is given to the data source as well as the bibliographic reference. ... Data sources. ... Why a specific bibliographic database for Natural satellites? ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . ... SSRT - Receiving systems . The SSRT has two independent receiving systems for recording solar observational data, and several ancillary receivers for checking, setting up and adjusting the instrument. The base receiving systen is a multichannel filter receiver for a simultaneous recording in 180 channels with the 500 kHz band each, adjusted at steps of about 600 kHz. ... Channel's band . ...

... Director of the RAS ISR . RAS Academician . ... Astrophysics module Kvant of the orbital complex Mir launched in 1987 contains the largest on the station complex of the scientific equipment named the orbital observatory Roentgen. Observatory Roentgen consists of 4 X-ray telescopes, jointly exceeding the range of energies from 2 to 800 keV. ... Among the most significant results that were received in the observatory Roentgen are: . ... measurement of the periods of 9 X-ray pulsars; . ...

Beginning from the May of the 1997 we started to publish our daily solar radio observations at RATAN-600 radiotelescope. ... Periscope System: South Sector+Flat Mirror . ... It is possible to track a source by moving the secondary mirror along the arc-shaped railway tracks or to perform azimuthal 2D map synthesis . ... 1) It is possible to simultaneously carry out independent observing programs using individual sectors at various discrete azimuths and secondary mirrors on corresponding railway tracks. ...

... Light weight and low power consumption combined with nearly quantum limited sensitivity and a wide tuning range of the superconducting local oscillator make SIR a perfect candidate for many practical applications. Superconducting Integrated Receiver (SIR) [1] comprises on one chip a low-noise SIS mixer with quasioptical antenna, an Flux-Flow Oscillator (FFO) acting as a Local Oscillator (LO) and a second SIS harmonic mixer (HM) for the FFO phase locking. ...

... Object: forward scatter meteor observation report - Leonids 2001 Observer: Valter Gennaro 1 Latitude: N 46° 16' Longitude: E 13° 05' Altitude: m above m.s.l. 185 Town: Osoppo (UD) Country: Italy Receiver: ICOM-7100 USB mode Antenna: 5 el. Yagi 2 Observed frequency: 55.24870 MHz from Liege Bol 5000 sample/sec SoundBlaster 16 bit mono During the past 17th and 18th November 2001, the forward scatter meteor equipment of FENICS group has been operated to monitor the Leonid meteor shower. ...

Peremennye Zvezdy", . ... Star Name: . 2MASS 17381738-1835271, IRAS 17353-1833 . ... During observations of a field in Ophiuchus, we discovered a possible new FU Ori-type variable star. ... For search and photometry of new variable stars, we applied VaST software by Sokolovsky and Lebedev (2005). ... During the first observing season (2009 May 16 2009 July 24), the star experienced an optical burst with an amplitude exceeding 1 m .5. ...

... Spacecraft . 29a. Satellite looking up . ... 29e. Explorers of distant space . Space Index . ... Many "down-looking" satellites also carry out local observations, among them Polar, Viking, Freja and satellites of the GOES and DMSP series. ... Other explorers of the distant magnetosphere have included the three ISEE spacecraft (International Sun-Earth Explorers), Polar in an elliptical polar orbit with cameras observing the polar aurora, and Image observing energetic neutral atoms. ...

Space debris ranging observations with Irbene RT-32 telescope . I. Shmeld, M. Abele, D. Bezrukov, V. Bezrukov, N. Jekabsons, M. Nechaeva, G. Ozolins . Ventspils International Radio Astronomy Center, Ventspils, Latvia Abstract: . Since 2007 VLBI Space Debris ranging is one of on-going activities in Ventspils International Radioastronomy Centre (VIRAC). ... space debris, radio position, ranging observations. ...

... Perhaps the most interesting satellites in this group are the ones sent into distant orbits, some of them extending well past the Moon--e.g. the WIND spacecraft pictured here. Among them is a long series of IMP s (Interplanetary Monitoring Platforms) which sampled the Earth's distant magnetic environment, the magnetosphere, and the surrounding interplanetary region; IMP-8 is still returning good data, more than 20 years after its launch. ...

University Satellites and . Space Science Education . ... The purpose of the developed scientific - educational program complex is creation on the Earth on the base of telemetry data of virtual model of microgravitational environment in which experiments are carried out, and virtual motion model of of the space vehicle. ... The developed program complex concerns to the class of the distributed program systems. ... Skobeltsyn Institute of Nuclear Physics, Moscow State University, 2005-2006 . ...

... About half an hour after the BAT trigger, the first images were obtained with the SAO RAS Zeiss-1000 telescope in four BVRI filters (see Fig.1). ... The spectrum of the optical transient was obtained with the SAO RAS 6-m BTA telescope 1.54 hours after the burst, using the SCORPIO instrument in the spectroscopic mode (Fig.2). ... The spectrum of the optical transient GRB090726 with identified lines, obtained with the BTA 1.54 hours after the burst. ...