Astronomy Picture of the Day . ... 25.07.2015 . ... Credit Copyright: Hubble Heritage Team ( AURA / STScI / NASA ) Explanation: Why does the Sombrero Galaxy look like a hat? Reasons include the Sombrero's unusually large and extended central bulge of stars, and dark prominent dust lanes that appear in a disk that we see nearly edge-on . Billions of old stars cause the diffuse glow of the extended central bulge. ... July 2015 . ... 2015 2016 . ... U. Based on Astronomy Picture Of the Day ...

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Space missions have shown that among the most abundant elements in the Universe, three of them, hydrogen, oxygen and nitrogen, present isotopic enrichments (abundances larger than those of the Solar nebula) in comets, carbonaceous chondrites, and other pristine small Solar System bodies. ... Fractionation in solar system bodies . ... Maite BeltrУЕn, INAF-Osservatorio di Arcetri (co-chair) . Francesco Fontani, INAF-Osservatorio di Arcetri (co-chair) . ... Home . ...

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Next: Rotation Periods of PMS Stars Previous: Direct Monitoring of PMS Stars . Studies using direct detection of periods via rotational modulation have been carried out on stars in several young clusters which are near the zero--age main sequence (ZAMS), including the Hyades, the Pleiades and Persei (see Radick 1988, Schaller et al . ... Rotation in ZAMS clusters has a strong mass dependence. High--mass stars tend to rotate much more quickly than the low--mass stars. ...

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... Natalya V. Raguzova and Sergei B. Popov . ... We present a compilative catalogue of Be/X-ray binaries and candidates in the Galaxy and in the Large and Small Magellanic Clouds. This catalogue contains 160 sources and provides information on names and spectral types of optical components, distances, on spin characteristics of neutron stars, and on orbital and X-ray properties of binary systems. ... Be/X-Ray Binaries and candidates in the Galaxy . Galactic sources: comments to the Table 1 . ...

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Astronotes Armagh Planetarium's Stellar Blog! ... Colin Johnston . ... This submillimetre-wavelength image of the region surrounding the reflection nebula M78 made with the Atacama Pathfinder Experiment (APEX) telescope (overlaid on a view of the same region in visible light) shows the position of interstellar dust grains (orange) to show where new stars are being formed.( ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

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... Our Milky Way galaxy is host to a number of companions. These companions are gravitationally bound to the Milky Way and are stellar systems in their own right. They include a population of about 150 globular clusters (GCs) and some 30 dwarf satellite galaxies (DSGs). ... These DSGs are more extended and diffuse compared to GCs. In fact the larger satellites of the Milky Way (and other galaxies, for that matter) host their own small systems of GCs. ...

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WPLTN Technical Workshop . ... WPLTN-2012) . ... of the International Scientific Technical Conference WPLTN-2012 . ... Having an opinion that the collocation of various space geodesy measurement technologies has a fundamental role in increasing the accuracy of fundamental and applied positioning, navigation and timing provision, the International Scientific Technical Conference WPLTN-2012 has come to the following conclusions: 2.1. ... Web-page . ... Resolution of the conference WPLTN-2012 . ...

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... 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. ...

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... I see the girls walk by dressed in their summer clothes, I have to turn my head until my darkness goes. ... I look inside my self and see my heart is black, I see my red door and it's happy painted black. ... SONG : Nirvana Ich beschreite dunkle stufen Die den weg zum himmel hinauf nicht finden Euer himmel hat nie existiert Ein fall, die leere, jedoch Die ganze welt ist ein reines nichts Ihr seid schon tot geboren Ich habe mich erhaengt und lebe doch Eurem gott bin ich niemals begegnet ...

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• http://crydee.sai.msu.ru/ftproot/pub/comp/os/linux/slackware-2.3/COPYRI~1
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... О Далекой Галактике . ... Теперь в Далекой Галактике вы всегда можете увидеть свежие фотографии Солнца. ... Форум . Форум "Далекой Галактики" - прекрасное место для общения всех астрономов. ... Новости из космоса . ... Подписаться на новости Далекой Галактики Вы можете здесь: . ... Новости из Далекой Галактики - популярно об Астрономии . ... Если вы хотите выразить свое мнение о сайте "Далекая Галактика", или просто почитать мнения других посетителей - пожалуйста, заходите в Гостевую книгу . ...

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ATMoB "Galaxy Observing Award " Guidelines Purpose: To promote observing among the membership of the Amateur Telescope Makers of Boston through participation in the Galaxy Observing Awards program. ... Examples of elliptical galaxies: M49, M59, M60, M87, NGC 4125. Limiting Magnitude Assessment: Spirals: A spiral galaxy consists of a flattened disk, with stars forming a (usually two-armed) spiral structure, and a central concentration of stars known as the bulge. ...

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VII/26D Uppsala General Catalogue of Galaxies (UGC) (Nilson 1973) ================================================================================ Uppsala General Catalogue of Galaxies (UGC) Nilson P. =1973ugcg.book.. ... The order of the records is strictly by UGC number; i.e., the Addenda records follow their main catalogue counterparts in the file. ... Major axis of the galaxy as measured on the POSS blue print. ... References: Nilson, P. 1973, Uppsala General Catalogue of Galaxies, Uppsala Astron. ...

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... Observing . ... Gravitational wave search provides insights into galaxy evolution and mergers . ... stars . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Open cluster NGC 2818, spiral galaxy NGC 2964, and spiral galaxy NGC 2976 . ... Winter galaxies . ... Apart from Cancer's two open star clusters cataloged by Charles Messier, this deep-sky region features galaxies т?? including some great ones. ... Get instant access to subscriber content on Astronomy.com...

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... Hubble's (1936) "tuning fork" of galaxy morphologies is the basis for modern galaxy classification. (arXiv:1102.0550.v1) Fig. ... Type E+ galaxies are "late" ellipticals, which may include faint extended envelopes typical of large cluster ellipticals, or simple transition types to S0-. (arXiv:1102.0550.v1) Fig. 7-- Examples of barred and nonbarred S0 galaxies of different stages from "early" (S0-), to "intermediate" (S0o ), to "late" (S0+), including the transition stage to spirals, Fig. ...

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... B98 Quad Band Unlocked Phone . Type: Bar Phone . ... Video recording: Yes . ... TF card slot: Yes . Micro USB Slot: Yes . Audio out port : Yes (3.5mm audio out port) . ... Cell Phone: 1 . ... Cell Phones . ... Цвет: Темно-серый . ... Цвет: черный . ... Цвет: DRESS BLUE . ... Цвет: Голубой, Зеленый . ... Цвет: разноцветный . ... Цвет: мультиколор. ... 1PC LED Digital Watch Children Wristwatch Rubber Band Pin Buckle . ...

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... 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. ...

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• mode conversion
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... QSO spectra in the ROSAT band are steeper than the background at harder energies, and furthermore at fluxes below 1E-14 ergs/(s cmќ) the quasar source counts flatten off and are replaced by more numerous populations of relatively low red-shift objects, apparently Narrow Emission Line Galaxies (NELG). ... We extracted the luminosity function from ROSAT Deep Survey results, and extrapolated by a factor of 2 - 3 to account for changes expected in the harder XMM band. ...

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• Point-Spread Function Fitting
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. Back to A.Zasov's homepage.

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• Please adjuste your link.

lsst.coordConv љ unknown . ... Files . ... include . ... site.h . ... 13 љ double meanLong ; . ... 44 љ Site ( double meanLong , double meanLat , double elev ); . ... coordConv::Site::diurAbMag . ... Definition: site.h:29 . coordConv::Site::refCoA . ... coordConv::Site::utc_tai . ... coordConv::Site::wavelen . ... coordConv::Site::meanLong . ... site longitude, ignoring pole wander (deg, positive eastward) . ... coordConv::Site::ut1_tai . ... coordConv::Site::Site . ... coordConv::Site::azCorr . ...

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• Untitled Document
• lsst.tcc: include/tcc/tcsShim.h Source File
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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. ...

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• Request on Data