... All the galaxies are divided into 4 groups depending on the environment type; every subsample contains more than 10 galaxies. ... An effect of environments is seen both for the nuclei and for the bulges: if we consider the clusters (Virgo and Ursa Ma jor) and group centers as dense environments and the field and group periphery as sparse environments, then in the dense environments the stellar populations of S0s are in average older by 4­5 Gyr than in the sparse ones. ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

Last modified: January 2002 . This site is maintained on a best efforts basis by members of the VSOP team. ... These pages contain links to many WWW sites. All such links are provided for reference purposes only. ISAS does not necessarily endorse or in any way recommend any of the organisations accessible from these Web pages. ... The image above is a stylized form of the Japanese word `koko', written in the hiragana script. ... 3-1-1 Yoshinodai, Sagamihara . Kanagawa 229-8510, JAPAN . ...

... 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. ...

Альтернативный форум . ... Re: ОТО Эйнштейна или школьная физика . x203a; x203a; x203a; в ответ на: Re: ОТО Эйнштейна или школьная физика Alex P . ... Re: ОТО Эйнштейна или школьная физика Александр Кушелев, 02.02.2004 01:18 . ... ОТО Эйнштейна или школьная физика profan, 31.01.2004 06:40 . ... Re: ОТО Эйнштейна или школьная физика Alex P, 31.01.2004 18:33 . ... Re: ОТО Эйнштейна или школьная физика Петрович, 31.01.2004 17:35 . ... Re: ОТО Эйнштейна или школьная физика Geo, 31.01.2004 07:23 . ...

Atm 2 ospheric time constant with MASS and FADE 0 A. Tokovinin CTIO, Chile Adaptive Optics time constant 0 = 0.314 r0/V0 = 0.057 6/5 [ Cn2(h) V5/3(h) dh MASS time constant: 0, MASS, Numerical simulation 1. Set turbulent layer strength (seeing) & sp. response Definition (1 rad phase difference between wavefronts at t= 0) ] 3/5 = 0.175 (2 DESI ) 3/5 ; 2 DESI = < [ IA(1ms)/ IA(3ms) ] >2 0, MASS, This is an approximation! ... The MASS method is approximate! ...

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. ...

Электронная библиотека астронома-любителя. ... Ru.Space.News: . Апрель 1998 . ... FOR RELEASE: 9:00 a.m. (EDT) April 9, 1998 CONTACT: Ray Villard Space Telescope Science Institute, Baltimore, MD (Phone: 410-338-4514) PRESS RELEASE NO.: ... Дата: 13 апреля 1998 (1998-04-13) От: Alexander Bondugin Тема: Full Data Sets From Galileo's First Six Orbits Now Available Привет всем! ... Дата: 13 апреля 1998 (1998-04-13) От: Alexander Bondugin Тема: Sky Telescope News Bulletin - April 10, 1998 Привет всем! ...

Catalogue of eclipsing variables (CEV) is the world's principal database of eclipsing binary systems with available classification. CEV contains identifications, classifications, photometry, periods, eclipses data, spectral types, references and notes for 7179 systems. Format of the current CEV . CEV main table (~1.0MB) . ... List of systems, erroneously classified as eclipsing binaries in GCVS (they are not included in the CEV main table) Download all files as a single archive (~0.6MB) . ...

... 000, 1­12 (2009) Printed 11 February 2010 A (MN L TEX style file v2.2) Analytical approximations of K -corrections in optical and near-infrared bands I1gor V. Chilingarian1 2 ,2,3 , Anne-Laure Melchior 1,4 and Ivan Yu. ... Received 2010 February 01; in original form 2009 August 14 ABSTRACT To compare photometric properties of galaxies at different redshifts, the fluxes need to be corrected for the changes of effective rest-frame wavelengths of filter bandpasses, called K -corrections. ... Table 1. ...

... Space Res., 12, 265, 1992 planetary magnetic dipole: Mizutani, H., et al., ... Astrobiology, 7, 167, 2007 CME induced H+ ion pick-up loss at 0.05 AU for ` Hot Jupiters ' HD209458 b Mass loss ~1011 g/s even for weak CMEs Mmax strong magn. protection in reality Exoplanet magnetospheres - importance of magnetodisk Relatively large amount of observed Hot Jupiters (27%): survival of close-in giants indicates their efficient protection against of extreme plasma and radiation conditions ...

Truebloodb,g, K. Zelayab Department of Astronomy, The Ohio State University, 140 West 18th Avenue, Columbus, OH 43221 USA; bNational Optical Astronomy Observatory, 950 North Cherry Street, Tucson AZ 85719 USA; cCerro Tololo Inter-American Observatory, Casilla 603, La Serena ... USA ABSTRACT We describe the design, construction and measured performance of the Kitt Peak Ohio State Multi-Object Spectrograph ( KOSMOS ) for the 4-m Mayall ... Optical layout for KOSMOS and COSMOS. ...

... Contact A Problem of an estimation of accuracy of the asteroid CCD observations . The Minor Planet Center supported by the Interntional Astronomical Union is the main office for keeping observational data of the small Solar System bodies and their investigations. ... At Pulkovo Observatory we are estimating an accuracy of the CCD asteroid observations obtained by amateurs and professional astronomers all over the World using the MPC database. ...

... Super Nova Information . ... Site . ... AGREEMENT BETWEEN USER AND rochesterastronomy . ... USE OF COMMUNICATION SERVICES . ... Unless otherwise specified herein, this agreement constitutes the entire agreement between the user and rochesterastronomy with respect to the rochesterastronomy Web Site and it supersedes all prior or contemporaneous communications and proposals, whether electronic, oral or written, between the user and rochesterastronomy with respect to the rochesterastronomy Web Site. ...

... SHORT TERM PREDICTION OF POWER SOLAR FLARES FROM SSRT DATA . The algorithm for short term prediction of powerful solar flares, based on SSRT data, includes microwave emission characteristics in total and polarized flux, the structure of active region (AR) magnetic field at the photospheric level, and H a patrol data. ... During this period, 7 AR's crossed the solar disk, in which 20 flares of importance ? ... Data on AR's and magnetic fields were received from the Sayan observatory by teletype. ...

Space Agencies and Centres . Space research . ... BNSC - British National Space Centre . ... CNES - Centre National d' tudes Spatiales, France . ... NASDA - National Space Development Agency (Earth Observation Center), Japan . ... NASA Spacelink , includes information about the Mir station . ... John F. Kennedy Astronomy Observatory , contains rich list of astronomy sites . ... LIFE Magazine Space Links . ... Copyright RSSI 1993-1997, Space Research Institute RAS Network Information Centre ...

... Тhis new concept touches our simple lives, yet for those intrigued by the natural sciences, especially experts deeply engaged in the 'eternal' questions of general geology and astronomy, it is all the more fascinating. The problems to be faced by any theory for the formation of the Solar System . Any theory has to account for certain rather tricky facts about the Solar System. These are in addition to the obvious facts that the Sun is at the centre with the planets in orbit around it. ...

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии > SN 6 Pro + . ... 10.10.2009, 02:07 . В августе этого года(2009) появился апдейт для "SN 6 Pro +" (размером 339.7 Mb + 7 MB) с версии 6.0 до версии 6.3.6 . ... New minor planets and their moons have been added and updated. ... Tully database improved to allow for more galaxy types. ... Не могли бы Вы дать ссылку на место расположение обновления (что-то я не смог найти у них на сайте). ...