... 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. ...

... Spherical aberration, coma, and astigmatism are also easily observed using the star test. ... Off-axis images are complex. ... Fig. ... Diffraction by a circular aperture as a function of defocus for no aberration Airy Disk 1 wave defocus Less than 1 wave defocus Fig. ... Diffraction by a circular aperture as a function of defocus for third-order spherical aberration Paraxial Focus Small distance inside paraxial focus Moderate distance from marginal focus Immediate neighborhood of marginal focus Fig...

... 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 . ...

... Julian Date Flux Densities (mJy) Julian Date Flux Densities (mJy) 2440000:0 A1 A2 B C 2440000:0 A1 A2 B C 8930.9968 153.8 134.6 59.8 22.6 9021.6846 154.0 137.0 59.0 22.9 8939.7717 163.7 146.0 66.1 22.9 9024.6766 151.4 134.6 58.4 22.1 8940.8936 153.2 135.8 59.2 22.6 9030.5334 156.7 139.1 59.0 22.4 8944.7380 161.7 142.2 63.7 23.1 9032.6650 151.8 136.5 57.7 22.6 8951.8637 148.4 131.3 58.3 21.7 9036.7067 155.1 137.1 58.8 ...

... In less then one day "Mir" station will finish its flight. ... Besides, the operability of motion control systems will be tested to ensure further dynamic operation at the final stage of "Mir" complex. ... The final third burn is given in daily orbit 2 using the "ProgressM1-5" 8 control engines and its main engine with the trust of 300 rg/s. Thus, to peform deorbit maneuver the OC"MIr" real-time tested manuevers involving control engines and their combination with the main engine are used. ...

... The Science Operation Department is composed of Astronomers, Telescope Instruments Operators(TIOs) and Data Handling Administrators(DHAs). ... Astronomers have proposed several methods to quantitatively measure the amount of turbulence above the telescope, which the most common ones is Differential Image Motion Monitor (DIMM). In optical testing, the Hartmann test is the common method to test the quality of optical components. ... Hartmann mask consists of 48 lenses. ...

... Capability of space means for the solution of problems of military character . ... Classification and functions of space systems of military purpose(assignment) . ... Ground complex of maintenance of launch and control of space vehicles . ... Capability of space systems of optical reconnaissance . ... Complexes topographical and earthresource shooting on base of "Zenit" space vehicle . ... Space vehicle for optical-electronic reconnaissance . ... System with space vehicle on low-altitude orbits . ...

... View from a tower . ... in the launch table . One of 2 Energia-Buran launch pads converted from N-1. There is also one more Energia launch pad called Versatile Stand-Start Complex. ... The giant N-1 tower still exists. Moreover, it looks like most photos of Buran on the launch pad were shot from this tower. One of 2 N-1 launch pads. N-1 pads were later converted for Energia-Buran program. Proton launch pad. Mobile tower is moved away from the rocket. ...

Электронная библиотека астронома-любителя. ... библиотека . архив RSN . ... Ru.Space.News: . Февраль 1998 . ... Дата: 14 февраля 1998 (1998-02-14) От: Alexander Bondugin Тема: Overview of Comet Hale-Bopp meeting at Tenerife, Feb. 2-5, 1998 [1/3] Привет всем! ... Moreover, the Comet was visible in the sky for an extremely long period. ... Дата: 14 февраля 1998 (1998-02-14) От: Alexander Bondugin Тема: Sky Telescope News Bulletin - February 13, 1998 Привет всем! ... Clear skies! ...

... On April Fool?s Day 1969, just months shy of the landing of Apollo 11, Maxime A. Faget?s secretary telephoned a handful of Manned Spacecraft Center (MSC) engineers, telling them to report to the third floor of Building 36. ... That model represented Faget?s vision for NASA?s next major program, which became the Space Shuttle. ... Details about the Orbiters and the Shuttle?s major elements were captured by the JSC History Office for the STS Recordation Oral History Project in 2010 and 2011. ...

The new view on the population of Galactic open clusters A.E.Piskunov1, N.V.Kharchenko2, S.RЖser3, E.Schilbach3, R.-D.Scholz4 1 2 3 4 Institute of Astronomy, Moscow, Russia Main Astronomical ... Observatory, Kiev, Ukraine Astronomisches Rechen-Institut, Heidelberg, Germany Astrophysikalisches Institut Potsdam, Germany What are open clusters and what do they teach us Groups of Population I ... Cluster complexes: OCC-1 = Gould's Belt cluster complex? ...

... The primary, secondary and tertiary structures of tRNAs and their function at the first stage of protein biosynthesis are discussed. еУОВНЫОњ Ъ МТФУ ЪМУИ кзд (Ъкзд) Л,, Ъ НО~В,Ы УОе , НТФ ВТТЛЛ ,,ВМУ,, Ы~ТЪ,Ыfl , ФВ В,УВ ЛМЩУ П^ЛЛ, ТУВ КВИТfl , ПЪ Л~Мњi кзд , ,ЛВ НУУМУ,, М flБњН ПЛМУНЛТОУЪМњi УТЪЪНУ, ћВОНУ,њi ^ВФВИ. ... ЗЗЦСЦзаЦ ї о,У У, й.й., 1998 () - , , , (). . ... 50- - (). , оДЗйкйЗД й.й. лнкйЦзаЦ нкДзлийкнзхп кзд 71 , , , . ... 3'-, - (CCA-). ... 1998. ... Val + + ATP Val- + AMP + PP, (1) AMP...