This section of library contains information about "classic" Star Catalogs. ... For a Henry Draper Catalog 272149 stars have received a total of 531,211 identifications in 7 сatalogs: . 270456 - in Astrographic Catalogue ( "Carte du Ciel", 4M), . 251943 - in Guide Stars Catalog (GSC), . ... A file with information on the components of 1788 of multiple systems in catalog HDEC (3681 component, or a combination thereof, with 4054 recording). ... A file with information about 21971 variable stars. ...

This module provides for server-side imagemap processing. ... Configurable generation of imagemap menus. The lines in the imagemap files can have one of several formats: directive value [x,y ...] . ... The directives can come in any order, but are processed in the order they are found in the imagemap file. base Directive . ... Module: mod_imap . ... Its value is overridden by a default directive within the imagemap file. ... Its value is overridden by a base directive within the imagemap file. ...

... 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...

J2000.0 coordinates -- source coordinates in J2000.0 epoch: right ascension and declination. Currently, the proper motion is assumed to be zero for all sources.

The direct detection of gravitational waves is one of those events long-expected by physicists that are nevertheless a significant occurrence which excites the world scientific community as if something unexpected has happened. ... Many rumors leaked ahead of the conference, and the fact that something (that is, a signal corresponding to gravitational waves) was discovered by LIGO (Laser Interferometer Gravitational-Wave Observatory) was discussed on the sidelines. ... arXiv:1602.03868 . ...

... Астрофорум - астрономический портал ? ... Горизонты науки о Вселенной (Модераторы: Дмитрий Вибе , AlAn ) ? Международный Астрономический Союз - Комиссия 4 . ... Случайны ли величины масс планет? ... Таким образом Международный Астрономический Союз - МАС: . ... А вот по-позже я Вам покажу совершенно "удивительные" парадоксы от "Международный Астрономический Союз - Комиссия 4": . ... вещества планет. ... Ответ #6 : 16.03.2007 [12:21:05] ? ... Причем тут горизонты науки? ...

Field centres for 6dF/FLAIR observations of the 6QZ survey. # 6dF fields have radius 2.844 deg. and were defined in the # J2000 system. FLAIR fields are square and are 5x5 deg # centred on UKST survey positions and defined in the B1950 # system. # 6dF : coordinates ( B1950 ) coordinates ( J2000 ) # Field hh mm ss.ss dd mm ss.s hh mm ss.ss dd mm ss.s sgp001 21 51 31.25 -30 11 45.4 21 54 25.40 -29 57 33.0 sgp002 22 10 08.35 -29 50 17.3 22 12 59.50 -29 35 25.0 sgp003 22 30 24.34 ...

Main News Phones Research area Brief history Institute Structure Experimental Base Observational data English/Russian . research on the site(Google) . ... 677980 Yakutsk, Russia . ... 7(4112)390400 . ... 7(4112)390450 . ... Complex Geophysical Station (CGS) . ... Address: Zhigansk 678830 Sakha Republic (Yakutia), Russia . ... geomagnetic field variations . ... characteristics of the ionosphere . ... set of equipment for the measurement of variations and pulsations of geomagnetic field . ...

. General Information . Media Files . Participants . Timetable . Local Information . Photos . Back to the album list . Previous . Next Click the image to view it in fullsize. Previous . Next . The view of plateau Kindjal (en: dagger) from ASM of SAI. Distance 18 km, height 2880m.

... Астрософт (Модератор: tlgleonid ) > . Celestia или как там ее . ... Right drag: orbit the selected object . ... Ctrl + Left drag: adjust distance to selection . Shift + Left drag: change field of view (e.g. => telescopic view) . Wheel (middle button) click: toggle field of view between 45 degrees . ... Chase selected object (orientation is based on selection's velocity) . T : Track selected object (keep selected object centered in view) . ... Ctrl+P : Mark selected object . ...

... 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. ...