... 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. ...

The Astronomy Shop . ... Software | Starry Night Pro - Astronomy Software . ... Great realism, detail, and depth of information are fully under your control. ... Designed for anyone who demands the utmost in realism, richness of detail and depth of information, Starry Night Pro is serious astronomy software. ... Starry Night Enthusiast - an intermediate level astronomy program. ... See the comparison sheet on all three levels of Starry Night astronomy programs at . ... www.astronomy.net . ...

... Structure of Data . ... Catalog . ... In SAI OCL Catalog, we introduce our work on investigation of the Milky Way system of open star clusters. The main goal of our study is a search for new clusters using huge surveys. 168 new clusters have been already discovered by us using J,H,Ks data from 2MASS point source catalog. ... For 141 new clusters, we found their physical parameters using J,H,Ks data from 2MASS catalog and, for a number of clusters, our UBVRI CCD observational magnitudes. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Here we present the ionospheric parameters variations for quiet conditions. ...

... The VSOP Symposium proceedings, "Astrophysical Phenomena Revealed by Space VLBI" have been published and have been distributed to participants. ... Following the successful launch of the VLBI Space Observatory Programme (VSOP) satellite HALCA in February 1997 there have been many exciting results from space VLBI observations. ... Also, check the newly revised getting to ISAS page which has links to pictorial "Getting to ISAS from Fuchinobe" and "Getting to the Dai-Ichi Hotel from Fuchinobe" pages! ...

... Exposure Time Calculator (ETC) . Survey processing . ... VISTA is a 4-m class wide field survey telescope for the southern hemisphere, equipped with a near infrared camera (1.65 degree diameter field of view at VISTA's nominal pixel size) containing 67 million pixels of mean size 0.34 arcsec and available broad band filters at Z,Y,J,H,K s and a narrow band filter at 1.18 micron. A wide field visible camera, if constructed, could also be used on VISTA. ... Tile . ... ESO VISTA Public Surveys . ...

... RC0302+0455 . RC0308+0454 . ... RC0355+0449 . Radio source parameters . ... R.A.(B1950) Dec.( B1950) Freq. ... Parameters of optical candidates for identification . R.A.(J2000) Dec.( J2000) R.A.(B1950) Dec.( B1950) Magn. ... J2000) angle fwhm (X:Y) 03:08:33.98 +04:54:10.5 . ...

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...

... This telescope is also able to be used in a non-assisted manner. ... Upon availability, the use of the Club's 10" dobsonian mount telescope. Upon availability, the use of the Club's 16" Meade LightBridge telescope. ... Use of the Club's Coronado Personal Solar Telescope and Cemax Eyepieces. Use of the Club's Video Eyepieces. ... Use of Club Binoculars. ... It's all part of being here and just one of many telescopes that are the benefit of being a member of the Richland Astronomical Society. ...

... Donate to Support Science Literacy . ... 2016 Annual Awards . The ASP is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach. ... Shop the AstroShop . ... The Astronomical Society of the Pacific (ASP) is accepting nominations for the organizationтАЩs national annual awards which recognize special achievements in astronomy research, technology, education, and public outreach.. ...

... Saturns Hyperion: A Moon with Odd Craters . ... A Full Perigee Moon rose as the Sun set last Sunday. ... This panoramic night scene from June 8 looks out across a Moscow skyline from atop the main building of Lomonosov Moscow State University. ... M31: The Andromeda Galaxy . ... Andromeda is the nearest major galaxy to our own Milky Way Galaxy. Our Galaxy is thought to look much like Andromeda. Together these two galaxies dominate the Local Group of galaxies. ... Venus Once Molten Surface . ...

... Satellite data ] . SMIS ] . The program is designed to process the specific AVHRR instrument data for calculation and analysis of temperature fields on the sea surface and upper level of clouds. It performs brightness correction for visible channels with regards to clouds altitude. ... The program features a wide variety of classification algorithms (including two-dimensional histogram analysis) and enables to construct personal procedures for classification. ... Back to SMIS Home Page . ...

... 2011: . Detection of galaxies with large peculiar velocities . ... New galaxies with polar rings . ... The new catalog contains 275 galaxies. ... Radio galaxy RC J0311+0507, a unique object of the early Universe . ... The estimation of the stellar population age in the host galaxy via the multicolor photometry (BTA) and new infrared data (UKIRT, 2011), amounting to 0.8 Gyr results in the moment of its formation when the universe was about 0.5 milliard years old (z~10). ... Archive . ...

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 . ...