LBO LBO has many unique characteristics that contribute to its wide use as a nonlinear optical crystal. ... LBO Specifications Wavefront Distortion Dimension Tolerance Clear Aperture Scattering Sites Flatness Surface Quality Parallelism Perpendicularity Angle Tolerance Damage Threshold /8 at 633nm (W: +/- 0.1mm ) x (H: +/- 0.1mm ) x (L: + 0.2mm/- 0.1mm ) 80% of central area No visible scattering centers when inspected by a 30 mW green laser /8 at ...
A STUDY OF THE FRAGMENT DISPERSAL AND TRAJECTORY OF THE SAYH AL UHAYMIR 001 METEORITE SHOWER. ... We obtained hundreds of GPS find locations, analyzed the fragment distribution, and developed a model of the meteorite's trajectory. ... More than 2670 samples weighing more than 450 kg have been collected. ... Increasing fragment mass along track indicated a flight direction of 233o. The fragments' mass distribution was used to model the meteorite trajectory. ...
2 June 2006 2007-2009 Work Plan v1 2007-2009 WORK PLAN: TOWARD CONVERGENCE DRAFT 1 for Technical Review COVER NOTE The following is the first version for a three-year plan for GEO, 2007 to 2009. ... Page 1 of 38 2 June 2006 2007-2009 Work Plan v1 ACRONYMS ADM AMDAR AMMA APAN AVHRR CBD CEOS CERN DAPHNE DEM EC EPA EPIDEMIO FAPAR FDSN GEANT GEO GEOSS GIS GMES GOFC-GOLD GOS GPM GSN IGCO IGDDS InSAR INSPIRE IPY ITU MODIS NASA NGO NIEHS SAR SBA SPOT -VGT SST THORPEX UN UNFCCC COP ... Task No. ...
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 Thickness of Stellar Disks in Early-type Galaxies E. M. Chudakova* and O. K. Sil'chenko ** Sternberg Astronomical Institute, Lomonosov Moscow State University, Moscow, Russia Received August 19, 2013; in final form, October 30, 2013 Abstract--We suggest and justify a new photometric method enabling the derivation of the relative thickness of a galactic disk from the two-dimensional surface-brightness distribution of the galaxy in the plane of the sky. ... The galaxies are non-interacting. ...
... 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 . ...
... What's New? Bad Astronomy . ... News . ... Despite the valiant efforts of The Discovery Channel and PBS , television by and large carries a pretty big load of Bad Astronomy. ... When possible I will have direct quotes pertaining to their Bad Astronomy, and a clear, simple explanation of the actual situation. ... I cannot promise to use every contribution: I prefer ones I can either confirm myself, get clear quotes from, or ones that have confirmation from some other Bad Reader. ...
... to the end of the list . Distribution of the Pulkovo fields in equatorial coordinates . The starting page - The catalogues page - The list of the PUL2 fields - The list of the PUL_ERS fields . Number of field . ... Number of stars . ICRF Radio source number . ... 0312 . ... 0296 . ... 00 52 03.1 . ... ICRF J005748.8+302108 . ... ICRF J015127.1+274441 . ... ICRF J030335.2+471616 . ... ICRF J031948.1+413042 . ... 0340 . ... ICRF J095524.7+690113 ICRF J095533.1+690355 . ... 0324 . ...
... Imaging GRIN Rod Lens (HAG's) | Relay Rod Lens (LAG's) | ... The Refractive Index Distributions (RID) in GRIN lens preforms are made by multi-stage optimized ion-exchange diffusion between silicate mineral glasses and salt melts. ... In the LAG lenses - L ow A perture GRIN the nature of the changing of refractive index in glass via ion-exchange lies mainly in molecular volume increase. ... LAG lenses are specially treated to create the dark anti-flick surface coating (Fig.2). ...
... 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. ...
... arxiv:0707.2638 Спектр космических лучей сверхвысоких энергий . ... arxiv:0707.2638 Спектр космических лучей сверхвысоких энергий по данным обсерватории имени Пьера Оже и его астрофизические приложения (The UHECR spectrum measured at the Pierre Auger Observatory and its astrophysical implications) . ... В этой короткой заметке приводятся данные по, вероятно, самой важной теме - спектру космических лучей сверхвысоких энергий. http://xray.sai.msu.ru/~polar/sci_rev/163.html#arxiv/0707.2638 . ...
... Первая десятка | ... Первая десятка "Русского переплета" Темы дня: . ... PET: A Proton/Electron Telescope for Studies of Magnetospheric, Solar, and Galactic Particles. ... Geosciencies and Remote Sensing, 31, 535, 1993. ... 1 D T distributions, obtained in GAMMA-1, SAMPEX PET, MARIA-2 and ELECTRON experiments (M>4, D L< ± 0.1). Fig.2 D T distribution, obtained on board SAMPEX (M>5, D L< ± 0.05) . ...
For use of "Richland Astronomical Society members only". ... Board index . ... Members . ... This board has no forums. ... In total there are 2 users online :: 0 registered, 0 hidden and 2 guests (based on users active over the past 5 minutes) . Most users ever online was 108 on Sat Jun 09, 2012 9:18 pm . Registered users: No registered users . ... Total posts 254 Total topics 15 Total members 56 Our newest member MichaelMcCoy . ...
Электронная библиотека астронома-любителя. ... Ru.Space.News: . Май 1998 . ... USA SPACEWARN 12934 COSPAR/WWAS USSPACECOM NUMBER SPACECRAFT INTERNATIONAL ID (CATALOG NUMBER) LAUNCH DATE,UT COSMOS 2350 1998-025A 25315 28 APRIL 1998 DR. JOSEPH H. KING, DIRECTOR, WDC-A-R . ... Дата: 05 мая 1998 (1998-05-05) От: Alexander Bondugin Тема: Next Space Science Update Features Largest Explosion Since The Big Ban Subject: Next Space Science Update Features Largest Explosion Since The Big Ban Привет всем! ...
Russian . ... Very Early Universe: inflation, generation of primordial perturbations, preheating . Very Early Universe: inflation, generation of initial perturbations, preheating . Cosmic Microwave Background Radiation: anisotropy and polarization . ... Dark Energy and Dark Matter models . High Energy Astrophysics: accretion discs, cosmic rays, gamma-ray bursts . ... Astrophysics of black holes and wormholes . ...
... Роман Евгеньевич Ильинский email : ilinsky_r@mail.ru . ... Ильинский Р. Е., Ровенская Т. С. Дифференциалы луча в оптической системе // Вестник МГТУ. ... 1998.- ... Roman Ilinsky , Gradient-index meniscus lens free of spherical aberration, Journal of Optics A: Pure and Applied Optics, volume2, number 5, pages 449-451, year 2000 . ... Ильинский Р. Е. Определение реальных габаритов пучков в градиентных оптических системах // Прикладная оптика -2000: Тез. докл. ... 2000.- ... ROMAN ILINSKY . ...
... 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 . ...
. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . Last updated 6.04.2016 .
The Second U.S. Naval Observatory CCD Astrograph Catalog ( UCAC2 ) Table of Contents 1) Introduction 2) Summary of the Project a) Observations and Instrumentation b) Reductions of UCAC Observations c) Computation of Proper Motions 3) Properties of the Catalog and Important Notes For the User a) Sky Coverage b) Completeness c) Positions, Proper Motions and Error Calculations d) UCAC2 Magnitudes e) 2MASS Photometry f) Non-stellar ... All stars in the UCAC2 have proper motions. ...