Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Space Flight . ... When Galaxies Collide (Image credit: ALMA (ESO/NAOJ/NRAO). Visible light image: the NASA/ESA Hubble Space Telescope) . In the southern sky constellation of Corvus (the Crow), we see the Antennae Galaxies (alias NGC 4038 and 4039). ... Your email address will not be published. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

... Authors: Rodrigues da Silva et al. arxiv:1503.02649 Первые результаты наблюдений с высоким угловым разрешением области HL Tau на ALMA (First Results from High Angular Resolution ALMA Observations Toward the HL Tau Region) . ... Authors: Jaret Heise . arxiv:1503.03251 Светлое будущее фотометрии: обнаружение аналогов Солнечной системы с помощью будущих космических телескопов (Photometry's bright future: Detecting Solar System analogues with future space telescopes) . Authors: Michael Hippke . ...

Measurement of Sky Brightness at the Iranian National Observatory Davoud Afshari1 and Sadollah Nasiri1,2 1Physics Department, Zanjan University, Zanjan 45195-313, Iran; Institute for Advanced studies in Basic Science (IASBS), Zanjan 45195-1159, Iran; Measurement of light pollution 2 Introduction Among 34 candidate sites at the central part of the country, 5 sites namely Garkesh (in Kashan ), Kolahbarfi(in Kashan ), Deynava (in ... One of these is light pollution. ...

... Lagoon Nebula, Trifid Nebula and the NGC 6559 Complex . The summer Milky Way brings with it the bright Messier nebulas of M8 (Lagoon) and M20 (Trifid) as well as the NGC 6559 Nebula Complex in Sagittarius. The Lagoon takes its name from the dark nebula that bisects the nebula. ... The NGC 6559 complex (upper left nebulosity) consists of the emission and reflection nebulas of IC1275, IC1274, IC4681 and IC4685. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

... I. Сведения из коммутативной алгебры. ... Нетеровы кольца, спектр кольца, носитель модуля. ... Локализация: определение, спектр локализации кольца, точность функтора локализации, локальность свойства точности последовательности, локализация Hom'ов. ... Определение и оценки в коротких ТП. ... ВЕ] D. Buchsbaum, D. Eisenbud. ... J. Algebra 1973, v.25 N.2, p. 259-268. ... Algebra structures for finite free resolutions, and some structure theorems for ideals of codimension 3. ... Finite free resolutions....

... Printed in U.S.A. COMPLEX FORMATION HISTORY OF THE LENTICULAR GALAXIES WITH STELLAR COUNTERROTATION: NGC 4138 AND NGC 45501 V. L. Afanasiev Special Astrophysical Observatory, Nizhnij Arkhyz, 369167 Russia; vafan@sao.ru and O. K. Sil`chenko 2 Sternberg ... To further explore this idea, we undertook a special study of stellar population properties in the centers of two early-type disk galaxies with counterrotating global stellar disks: NGC 4138 and NGC 4550. ... NGC 4138 3.1. ... NGC 4550 4.1....

... Space flight . ... Baikonur . ... Space camp . Space Hotel . ... On May 5, 1957 acceptance act of the first launch complex was signed, and as early as on May 6, 1957 the first "R-7" missile was erected on the site. The cosmodrome consists of nine launch complexes with fourteen launchers, thirty-four engineering complexes, three fuelling stations for space vehicles and two aerodromes. ... Services / Baikonur: General description Technical description Shedule of launches Photo gallery Price . ...

... Развивающая игрушка Лягушка Bright Starts привлечет ребенка красочным видом, подарит новые ощущения и вскоре станет любимой игрушкой, приятной и веселой. ... Цвет: розовый . ... Цвет: Коричневый . ... Цвет: натуральный . ... Кружка имеет силиконовую крышку оранжевого цвета с прорезью для питья. ... Цвет: синий . ...

... Samara State Aerospace University Research Grants and support . Project Designing a range of gas-turbine engines on the basis of a high energy efficiency gas generator in cooperation with Kuznetsov plc within the framework of implementing the Russian Federation Government Order of 09.04.2010 No.218 Measures of state support of the development of cooperation between higher educational institutions and organizations implementing complex projects on high-technology production design . ...

... Maps of six sources (0420+022, 0420-014, 1308+326, 1345+125, 1803+784, and DA 193) obtained with milliarcsecond resolution are presented and discussed, together with their broadband (1­22 GHz) spectra obtained on the RATAN­600 radio telescope at epochs close to those of the VLBI observations. ... The image (Fig. 5) shows that the source structure at 18 cm is compact, consisting of a VLBI core and two jet components, with the outer component lying 5 mas (30 pc) to the northwest of the core ( = 54 ). ...

... 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 . ...

Электронная библиотека астронома-любителя. ... архив RSN . ... Апрель 1998 . ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Galileo Update - April 9, 1998 Привет всем! ... Дата: 10 апреля 1998 (1998-04-10) От: Alexander Bondugin Тема: Mars Global Surveyor Update - April 9, 1998 Привет всем! ... The feature known as the "Face on Mars" in the Cydonia region was imaged quite successfully on April 5th and its image was released in raw form and in an enhanced form on April 6th. ...

MAIN PAGE . ... Nova Cygni August 1975! ... 1975/76: Comet West! ... Dr. Richard West (4th from left) & AAL members visiting SES Betzdorf on occasion of our club's 25th anniversary - October 1996 . Comet West Information . ... It was the brightest comet visible from Earth since Comet West in 1976. ... 1997: Comet Hale-Bopp! ... Thus Comet Hale-Bopp never got closer to Earth than Earth gets to the Sun. ... Comet Hale-Bopp JPL Page . ... 1999: Total solar eclipse over Luxembourg! ...

... Invisible airwaves crackle with life Bright antenna bristle with the energy Emotional feedback on timeless wavelength Bearing a gift beyond price, almost free All this machinery making modern music Can still be open-hearted. ... You can choose a ready guide in some celestial voice. ... SONG: Different Strings Who's come to slay the dragon, Come to watch him fall? ... Tide Pools When the ebbing tide retreats Along the rocky shoreline, It leaves a trail of tidal pools In a short-lived galaxy. ...

... 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...

... Я попытался выделить самые интересные сюжеты, в основном связанные с наблюдательной астрономией и появившиеся в Архиве препринтов в 2006 г. Большинство из этих работ описывались в моих обзорах и было включено в число "лучших из лучших" . ... Непопадание в список каких-то важных работ связано в основном с тем, что "на лету" трудно определить важность статьи вне своей области интересов, кроме того этот год выдался для меня непростым.. ... Authors: Jason W.T. Hessels et al. Статья в Обзорах . ...

... 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. ...