M87 Gas Disk and Optical Jet (STSci) . SEDS Messier Catalogue M87 Page (U. Arizona) . Black Hole and Jet in M87 (NASA/GSFC) . ... The large scale radio structure is shown in the 3CRR Atlas . Richard White's Virgo Cluster page has optical and X-ray images of the large-scale environment of M87 . ... HST Observes Distant Radio Galaxies (STScI) . HST Finds a Black Hole in NGC4261 (STScI) . HST finds a Bare Black Hole Pouring out Light in NGC6251 . ... Alan Bridle's Home Page . ...

... astro-ph/0210408 . Открытие разрешенного остатка сверхновой в M31 с борта Chandra (The Discovery of a Spatially-Resolved Supernova Remnant in M31 with Chandra) . Authors: A.K.H. Kong, M.R. Garcia, F.A. Primini and S.S. Murray (CfA) . ... Author: Donald Lynden-Bell (The Observatories of the Carnegie Institution, Pasadena, USA, The Institute of Astronomy and Clare College, Cambridge, UK.) . ... обзор hep-ph/0210123 . ... Author: Renyue Cen (Princeton University Observatory) . ...

... Asteroid . ... In case you didn't hear about it, which you probably didn't: On Jan. 7, an asteroid 1,000 feet across -- nearly three times the current diameter of Marlon Brando -- barely missed the Earth, which is most likely your planet of residence. ... What if this asteroid had hit the Earth? ... As it happens, the American Astronomical Society was holding a conference in Washington AT THE VERY SAME TIME as the asteroid nearly hit the Earth. ...

NEUTRON MONITOR DATA FOR JUNGFRAUJOCH AND BERN DURING THE GROUND-LEVEL SOLAR COSMIC-RAY EVENT ON 28 October 2003 R. Buetikofer and E.O. Flueckiger Physikalisches Institut, Universitaet Bern Sidlerstrasse 5, CH-3012 Bern , Switzerland This report includes information on the processing and use of the data for the ground-level solar cosmic ray event on 28 October 2003 obtained by the following three ... Section 3 of the IGY neutron monitor at Jungfraujoch is the central section. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... November 9, 10, 11, 12 and 13 . December 6, 7, 8 and 9 March 24, 25, 26, 27 and 28 . ... December 3, 4 and 5 February 13, 14 and 15 . ... December 10, 11, 12, 13 and 14 . Incoherent Scatter Radar ionospheric parameters measurements are carried out on coordinated days determined by the International Geophysical Calendar. ...

... ARTICLE: The Adventurous Search For The Astronomical Unit . ... Kepler himself had suggested to use the rare occasions of Venus transiting (crossing) the solar disk to measure our distance to the planet. ... Due to the orbital inclination of Venus against the ecliptic of 3.5°, a Venus transit is so rare that it happens only at intervals of 121.5 years, 8 years, 105.5 years, 8 years and so on. ... Crabtree witnessing the transit of Venus 1639 . ... Transits of Venus - The Quest for the Solar Parallax...

... Structure of Data . ... Catalog . ... Catalog: 206 clusters 32 clusters: known before 12 clusters: parameters from BVRI photometry @ SAO 1-m 0 clusters: parameters from UBVRI photometry @ Maidanak 1.5-m 26 clusters: parameters from 2MASS 168 clusters: new (2MASS) 142 clusters: parameters from 2MASS 26 clusters: embedded 0 clusters: parameters from BVRI photometry @ SAO 1-m 3 clusters: parameters from UBVI photometry @ ARIES 1.04-m 0 clusters: parameters from UBVRI photometry @ Maidanak 1.5-m . ...

... Meade Instruments Corporation . Telescopes ћ Binoculars ћ Microscopes . ... Asteroids can be observed, and their paths plotted in motion among the stars, through all Meade telescope models. ... Larger telescopes, including Meade DS-2000 series, LXD55 series, 8LX90 and LX200GPS, permit the observation of hundreds of variable stars throughout the sky. ... Larger telescopes such as the Meade LXD55 series, allow the observation of dozens of additional stars embedded in the nebula. ... about meade | ...

ПУБЛИКАЦИИ - 1997 год . ... 125, 1997. ... XXVII Радиоастрономическая конференция "Проблемы современной радиоастрономии", Санкт-Петербург, 10-14 ноября 1997 г., Тезисы докладов. ... Solar Phys. 1997. ... XXVII Радиоастрономическая конференция 'Проблемы современной радиоастрономии' Санкт-Петербург, 10-14 ноября 1997 г. Тезисы докладов, том.2, с.4-5. ... XXVII Радиострономическая конференция 'Проблемы современной радиоастрономии' Санкт-Петербург, 10-14 ноября 1997 г. Тезисы докладов, том.2, с.14-15. ...

... 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 . ...

... В теме В разделе По форуму . ... Научная панорама ? Пятый релиз Слоановского обзора . ... 24.07.2007 [10:04:54] ? данные arxiv:0707.3380 Пятый релиз Слоановского Цифрового обзора неба (The Fifth Data Release of the Sloan Digital Sky Survey) . ... Over the course of five years, SDSS-I imaged more than 8,000 square degrees of the sky in five bandpasses, detecting nearly 200 million celestial objects, and it measured spectra of more than 675,000 galaxies, 90,000 quasars, and 185,000 stars. ...