... Data Analysis SAS News What is SAS? ... Archive, Pipeline & Catalogues XMM-Newton Science Archive Pipeline Processing System Observation Data Status Time Correlation Fix Serendipitous Source Catalogue OM Serendipitous Source Catalogue Slew Survey Catalogue Latest Slew Results Browsing Interface for RGS Data Live Radiation Monitor Plots Radiation Monitor Files . ... About XMM-Newton Image Gallery XMM-Newton Technical Details XMM-Newton SOC Overview XMM-Newton 10th Anniversary . ...

... Galaxies 99 Cosmic background with model of cloudy interstellar medium Yu. ... Figure 1: Averaged spectrum of the cosmic background I f in frequency range 0.25 200 MHz for the Galactic poles. ... First interpretation of the cosmic noise background spectrum at broad band frequency range 0.25 200 MHz with a model of the cloudy interstellar medium ISM is presented here. ... Synthesized background spectra I f for regions of the Galactic poles at the frequency range 0.25 200 MHz is presented in Fig. ...

The project of the informational system creation on the problem of evolution of radio galaxies, as a part of the "Big Trio" project aimed on studing of distant radio galaxies, is designed. This system allows a user to operate with simulated curves of spectral energy distributions (SED) to estimate ages and redshifts by photometry data. Authors use SEDs of several models for different types of galaxies. ... The HTTP and e-mail access is organized to this system. ...

ATMoB "Double Star Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston ­ in particular, double, triple, and multiple stars. Introduction: Double, triple, and multiple stars are the "Rodney Dangerfields" of the night sky. ... W hile they can be observed under a variety of sky conditions, double stars ­ especially close ones ­ are best viewed on nights when the seeing is steady. ... The direction from a star to Polaris is north. ...

Astronomy Picture of the Day . ... 16.10.1995 . ... Credit: NASA , Ultraviolet Imaging Telescope Explanation: The spiral galaxy M94 is somewhat unusual in that it shows a great ring of bright young stars particularly apparent when observed in ultraviolet light, as shown above. Such a high abundance of these young blue stars may cause a galaxy to be designated a starburst galaxy. ... October 1995 . ... 1995 1996 . ... NGC 4314: A Nuclear Starburst Ring . ... Starburst Ring in Galaxy NGC 1317 . ...

... In one situation, we can use light from quasars to probe the material between us and them because that light may pass through one or more galaxies or gas clouds on its way to us. The gas inside the galaxies or the intergalactic clouds acts then as a filter, absorbing selected wavelengths from the quasar light. ... Light from a quasar must pass through clouds of gas and even faint galaxies -- each leaving its imprint on the light -- before we receive it here on Earth. ... Gravitational lensing . ...

Общая Астрономическая Конференция > Товары для астрономов > Полезное для астрономии . Galaxies And How To Observe Them+ Кросс-индекс . ... Поиск . ... R.Bak . ... Сабжевая книга весьма достойное руководство по наблюдению галактик, имеет существенный недостаток - у нее нет кросс-индекса объектов, что затрудняет поиск внутри книги. ... AНДРЕЙ= . ... Созвездия (поиск и описание) .. Созвездия южного неба (поиск и описание) .. Осенние созвездия (поиск и описание) .. ...

Abstract -- Abundances of heavy elements decreases with increasing galactocentric distance almost in all disk galaxies. ... To explain this gradient in young objects and in the interstellar gas one has to assume that a typical disk galaxy is an open system, i.e. it expels some synthesized heavy elements into the circumgalactic space and/or accretes intergalactic gas with zero metallicity, with rates of both processes depending on the galactocentric distance. ...

... Keck spectropolarimetry, giving spectral coverage from Ly- to beyond CIII], and HST imaging of a sample of powerful radio galaxies with has been obtained. ... This is a short progress report on a rather extensive programme we are carrying out to study the structure and composition of high redshift radio galaxies (HzRG) -- and, by implication, the host galaxies of radio quasars -- using observations in the optical, IR and mm bands. ... An example of the NICMOS and WFPC 2 imaging is shown in Figure 2 ...

Text of these problems is available also in other languages : . ... What can one see in the Moon's sky more often - the Sun or the Earth? ... There are about of 250 millions of stars in the elliptical galaxy M32 (a satellite of Andromeda galaxy). ... The masses of Capella's components. ... You are proposed to estimate the masses of Capella's components, using our observational data. ... A galaxy's mass. ... Estimate the mass of FGC 1908 and compare it to the mass of our galaxy. ...

... Armagh Observatory, College Hill, Armagh BT61 9DG, +44 (0)28 3752 2928 . ... In the late 1970s, jets were discovered in megaparsec-long radio galaxies. ... This involved the first quantitative analysis of jet warping, bending and disruption in galactic halos. ... Hot spots are created where a jet finally crashes into the surrounding medium. ... I extended the so-called Twin Exhaust Model, using numerical simulations to show that hot gas can be ejected in three forms: jets, bubbles and clouds. ...

Class 1 Introduction, Background History of Modern Astronomy The Night Sky, Eclipses and the Seasons Kepler's Laws Newtonian Gravity General Relativity Matter and Light Telescopes Class 2 Solar System Characteristics Formation Exosolar Planets Class 3 Stars The S un Stellar Evolution of Low and High Mass Stars Deaths of Stars Exotic Stars Class 4 Galaxies Galaxy Classification Formation of Galaxies Galactic ... Low mass stars live and die differently than high mass stars. ...

... Bad Astronomy . ... Bitesize Astronomy . ... Bad Astro Store . ... Slacker Astronomy . ... Keep Bad Astronomy close to your heart, and help make me filthy rich. ... Life Under the Moon . ... Seeing Jupiter's Moons . ... Time Zones and the Spherical Earth . A Companion to the Earth? ... December 19, 1999) . ... Big Moon, Little Moon . ... How Big is the Moon? ... 14, 2000) . ... 2008 Phil Plait. ... Subscribe to the Bad Astronomy Newsletter! Talk about Bad Astronomy on the BA Bulletin Board! ...

... Our Sun is part of a huge wheel-shaped collection of stars. ... Astronomers have long suspected it was a very massive black hole, and that every galaxy had such a central mass, created early in the history of the universe. ... However, unless that object happens to be headed directly at the black hole (a relatively small target) it will just swing around and fly away again, like a comet making a pass at the Sun. The velocity acquired in falling towards the black hole also helps it escape. ...

Maidanak Laboratory is a part of Sternberg Astronomical Institute of Moscow State University. ... Observations are conducted with 1.5 meter RC telescope AZT-22 of Maidanak Observatory (Uzbekistan). rus . ... maidanak lab home page . ... at Sternberg Astronomical Institute . ... 2000). ... Because of technical reasons, we had to use three different CCD cameras in our observations, Pictor-416 camera in 1995, Pictor-416 and TI 800 x 800 cameras in 1997 and 1998, and ST-7 camera in 1999 and 2000. ...

Multiple Supernovae in the same galaxy . ... When looking at these images, you should note just how big these galaxies are. ... SN 2009as and sn2009gb images sub-page . ... LOTOSS discovered 2003hl , and a few weeks later JM Llapasset was taking an image of it, and he noticed a new star . ... Supernovae 2002cv and 2002bo in NGC 3190 2002cv was discovered by Campo Imperatore Observatory while observing 2002bo in IR. 2002cv was only visible in IR must likly due to it being behind a dust lane. ...

ARCSAT ID NUMBER: AS07 DESCRIPTIVE TITLE: Census of Variable stars in the UMi dwarf spheroidal galaxy. ... BRIEF SCIENCE JUSTIFICATION: The classical dwarf spheroidal galaxy Ursa Minor contains a large number of variable stars, particularly of the RR Lyrae and anomalous Cepheid types. ... The photometry will be done with DAOPHOT, much like the Nemec study, and the analysis of the RR Lyrae population will be similar to the work done with the Draco dwarf spheroidal galaxy (Kinemuchi et al. ...

... Dept. for Astrometry & Space Geodynamics . ... Dept. for Physics of Stars&Galaxies . ... Dept. for Physics of Planetary Systems . ... Science . ... All Pages . ... Research of the stars with planets which pass apparent star disk (transiting exoplanets). The transit method based on a detection star brightness decrease during a passing of planet in front of its disk. Observed brightness system decries when planet pass star disk and its volume depend of the relative sizes star and planet. ...

Bigbang Forum Message . ... Big Bang | ... Big Bang: Nagging Doubts Remain . ... I recently read 2 books by Simon Singh: Fermats Last Theorem and The Big Bang. ... No matter how many proofs there are to support a theory, if it is not mathematical then there will always remain an element of doubt as to the accuracy of that theory. ... www.astronomy.net . ... Forum posts are Copyright their authors as specified in the heading above the post. "dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...

... WORKSHOP "STELLAR ATMOSPHERES" . THE CHEMICAL AND DYNAMIC EVOLUTION OF STARS AND GALAXIES" . ... Chernomorka , Odessa , Ukraine . ... Modeling and interpretation of the stellar spectra of the usual and peculiar stars. Elemental abundances in the stars of different types and populations of the Galaxy. Chemical evolution of the stars and galaxies. ... Andrievsky S.M. (OAO ONU, Odessa, Ukraine) . ... CHEMICAL and DYNAMIC EVOLUTION STARS and GALAXIES" . ... Odessa mailto:astro@paco.odessa.ua . ...