Computer Ephemeris for 2014 from DE200/LE200. Orbital parameters of the Sun. Date Mean Perigee Mean Paral Aberrat Epsilon Nutat longitude longitude anomaly Dec 24 272.6887 283.1787 349.5100 8.941 20.832 2326 6.72 -8.19 Jan 3 282.5451 283.1792 359.3660 8.943 20.837 6.71 -8.18 13 292.4016 283.1796 9.2220 8.942 20.834 6.76 -8.11 23 302.2581 283.1801 19.0780 8.935 20.818 6.87 -7.99 Feb 2 ...

... Hierarchy and stability 3. Stability criteria for triple systems 4. ... The results for selected systems with weak hierarchy (physical properties of components) System HD 40887 AB+CD HD 76644 AB+CD HD 217675 AB+CD HD 222326 A?+BC HD 284419 A+BC Spectral types K5V, M0V, K4V, ?? ... More accurate results for selected systems HD 217675/6 ( And) Quadruple system More accurate results for selected systems HD 217675/6 Pair B1B 2 More accurate results for selected systems HD 217675/6 (Zhuchkov et al. ...

Race to the Planets Family Event Sample Agendas Family ASTRO Leader Kits and Guides are designed to contain enough materials and activities for two full family events. ... What's Next: As families leave, make sure they know about the date and time for your second Race to the Planets session and that you'll want to know how they did playing the "Surfing the Solar System" game. ... If there are any planets visible in the night sky, a nice follow up to this family event is a planet observing session. ...

... Let Carol Vorderman help your child succeed in Science. Science Made Easy is one of Carol Vorderman's series of workbooks packed with notes and tips to make learning about Science easy and fun! ... Each title contains a progress chart so your child can keep track of all the exercises they have completed and parents' notes explain what children need to know at each stage and what's being covered in the curriculum so you can support your child. ... Age: over 3 years old . ...

... VaST is a software tool for finding variable objects on a series of astronomical images. ... VaST performs object detection and aperture photometry using SExtractor on each image, cross-matches lists of detected stars, performs magnitude calibration with respect to the first (reference) image and constructs a lightcurve for each object. ... VaST FITS image viewer ./pgfv . ... Part I" PZP, vol. ... K. V. Sokolovsky, S. A. Korotkiy; "New Variable Stars Discovered by the NMW Survey" PZP, vol. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Space Flight . ... Some 13.7 billion years ago, a mere millionth of a second after the Big Bang, the first hydrogen and helium nuclei condensed out of a hot, dense soup of quarks and gluons. ... In the very last few kilometres some of the light was scattered by a myriad of water droplets (containing hydrogen nuclei which had existed almost since the Big Bang) slowly descending through the air following a rainshower. ...

... For the past years I have been working on the problem of synthesis of light curves of close binary systems, consisting of a normal star and a compact object (point object with fixed X-ray luminosity). ... Possible existence of a bright spot on the disk's lateral surface is taken into account. ... The last of then will be published in Gordon and Breach Publishers ( Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ... Cherepashchuk A.M., Katysheva N.A., Khruzina T.S., Shugarov S.Yu. ...

... T he ADC 's data holdings contain the following item(s) that match the query entered - . Fill in Any or All Search Fields Below . ... J/A+AS/126/281 Solar disk spectrum (660-1175A) (Curdt+ 1997) . ... J/A+AS/103/57 Spectral coefficients of emission and absorption (MIHAJLOV 1994) . ... J/A+AS/122/51 B to G stars calibration in Geneva photometry (Kunzli+, 1997) . ... J/A+AS/113/237 Ultraviolet Spectrum of the Sun (Samain, 1995) . ... J/A+AS/141/141 8500-8750{AA} high resolution spectroscopy. ...

... Ballistics, navigation and flight control of the spacecraft, going to the L2 point of Sun-Earth system. ... and calculation algorithms have been developed: - an algorithm, building nominal trajectories for one impulse flights to the L2 point of Sun- Earth system, including a Moon swingby maneuver or not. - an algorithm, calculating corrections of spacecraft trajectory needed for the flight from Earth to halo orbit and for stationkeeping of the spacecraft moving in halo ...

RSSI Network Operation Centre (NOC) provides 24 hours a day, 7 days a week monitoring and maintaining of all RSSI network components (including routers, leased lines to sites, interconnection links, dialup service, telecommunication equipment and etc.) from Network Operation Centre Interconnect Facility at Space Research Institute RAS in Moscow. ... NASA Internet NOC to isolate and resolve circuit, routing hardware and/or software failures; . ... NMS alarms and monitoring tools . ... User Support . ...

Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Phase range for plots: -0.5 to 1.0 0.0 to 2.0 0.0 to 1.0 . ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... Two period search methods are currently implemented. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . ...