... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

M1 image More About M1 Nice Color Picture . ... M16 image More About M16 HST image . ... M31 image More About M31 Nice Color Picture . ... M42 image ; M43 image More About M42/43 Nice Color CCD Picture . M51 image More About M51 Color Image of M51 M51 Supernova . M57 image More About M57 Nice Color CCD Picture Very Deep M57 Image . ... M81 image More About M81 M81 Supernova Ultraviolet Image of M81 More about Ultraviolet Imaging . M82 image More About M82 M82 False Color M82 True Color . ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Parkes radio telescope . Australia Telescope Compact Array . ... CSIRO, Australia's national science agency, operates a number of world-class radio astronomy observatories that are collectively known as the Australia Telescope National Facility or ATNF. ... CSIRO also manages the Murchison Radio-astronomy Observatory, where the Square Kilometre Array telescope infrastructure in Australia is to be centred. ...

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

We present far-infrared spectra, ЮЛ = 52-93 ЮМm, obtained with the Spitzer Space Telescope in the spectral energy distribution mode of its MIPS instrument, of a representative sample of the most luminous compact far-infrared sources in the Large Magellanic Cloud (LMC). ... First, we introduce a spectral classification scheme. ... The efficiency of photoelectric heating in the interfaces of ionized gas and molecular clouds is estimated at 0.1%-0.3%. ...

Subject, Object and Problems of Astrophysics. Practical and Theoretical Astrophysics. ... Visual Telescope; Problems Which Are Solved with the Its Help. ... Resolution of Telescopes. ... Effectiveness of Telescope in Respect of Resolution. ... Optical Power of Telescopes for Star-like and Extensive Objects. Boundary Magnitude. Reasons of Light Dissipation in Telescopes. ... Spectral Instruments in Astrophysics. ... Basic Photometrical Ideas, Magnitudes and Their Measurement. ...

... More information on books, telescopes, clubs, etc. is available in the Getting Started section. ... For more information call 617-495-7461. Boston University Astronomy Department - Public telescopic observing is held every clear Wednesday night. ... Boston Museum of Science - For more information and admission prices call 617-723-2500. ... For information and admission prices call 508-929-2700. ... Springfield Telescope Makers , VT. ... Copyright (c) Amateur Telescope Makers of Boston, Inc. ...

Astronotes Armagh Planetarium's Stellar Blog! ... Armagh Planetarium . ... Our Galaxy . ... Stars . ... Space Flight . ... This activity is believed to be promoting the unusually high rate of star formation seen in M82. ... Radio image of M82 made with the MERLIN and VLA telescopes. Insets show MERLIN images from April 25th and May 3rd 2009 demonstrating the sudden appearance of the mystery object.€а All images are at a frequency of 5 GHz. ... Mystery object in Starburst Galaxy M82 . ...

... SEARCH ASP SITE: Match ALL words Match ANY word . ... Astronomy Education Bibliography . ... Women in Astronomy . ... Light Pollution . ... Observatory Sites and the Environment . ... As human activity changes that environment, issues are raised for both astronomers and those who enjoy the fruits of their research. ... Crawford, D. Hunter, T. "The Battle Against Light Pollution" in Sky Telescope, July 1990, p. 23. ... Hendry, A. "Light Pollution: A Status Report" in Sky Telescope, June 1984, p. 504....

... The search for distant objects which can be both galaxies and quasars is one of the most important problems of observational astrphysics, because it allows one to determine cosmological parameters connected with the time of appearence and evolution of stellar systems, large scale structure of the Universe. ... Radio galaxies are important objects to be studied because they are sources of infrared-optical-ultraviolet continuum, emission lines and continual radio emission. ...

... Field size . Object name . ... Map size . ... Field size: the approximate size of the map in the Y direction. ... Galaxies: . ... Galaxies, which size exceeds some value depending on the field and map sizes, are displayed with their real positional angles and sizes by 25m isophote. ... In the "tools" fields there are links to the several famous AVO (Astrophysical Virtual Observatory) resources: NED and Simbad databases and DSS2 (Palomar Digitized Sky Survey) images of the corresponding sky area. ...

Next: M.E. Bailey, Director Up: Research Previous: C.S. Jeffery, Research Astronomer Contents . ... How do Stars Form? ... Other Work and Activities . ... The interaction of young stars with their surroundings are accentuated within Herbig-Haro Objects, where streams and `bullets' of ejected gas impact on the ambient molecular clouds. ... The astrophysical jets are spectacular. ... Michael Smith and collaborators have searched for, and found, the first evidence of rotation within the jets. ...

... The following charts/text are intended as tools for monitoring the Type Ia supernovae ( SNe ) event visually or photographically (utilizing telescope equipped CCD equipment).The files include: A replication of The Type Ia SNe , V- magnitude (with data point checks from other cited references)and color index (B-V) templete (to indicate a general color-related trend of the type Ia ... I believe this might help alleviate some of the problems involving the making of acceptable amateur light curves...

... Why does X-ray astronomy require satellite telescopes? ... That is why scientists use space based satellites to record and observe data from X-ray sources. ... It primarily observes X-ray sources and has a moderate imaging capabilities. ... X-rays (because of their short wavelengths) , as opposed to visual light, can penetrate through otherwise opaque objects e.g. bones X-rays can observe celestial objects that emit shorter wavelengths such as galaxies , quasars, and black holes. ... X-ray image . ...

... Courtesy of NASA/ESA Observation data (J2000 epoch) Constellation Right ascension Declination Redshift Distance Type Serpens Caput 15h 17m 14.4s[] +21° 35 08[] 12,740±50 km/s[][1] 600±30 Mly (183±8 Mpc)[1] SA0(r) [citation needed ] [a] Apparent dimensions (V) 0.28 в 0.28[] Apparent magnitude (V) 16.0[] Notable features Ring galaxy Other designations PGC 54559,[] PRC D-51[] See also: Galaxy, List of galaxies Hoag's Object is a non-typical galaxy of the type known as a ring galaxy. ...

On 1 February 2002 this Mirror was upgraded from NVSSlist v2.10 to NVSSlist v2.17 . ... This form searches the source catalog produced by the NRAO/VLA Sky Survey (NVSS). ... Object name [optional] : . ... Search radius and verification halfwidth in arcseconds [Optional] : . ... Enter a list of positions to search: . ... The contents of the NVSS source catalog and the techniques used by NVSSlist to derive error estimates and other parameters are described here. ...

Next: CORRELATOR BOARDS Up: OBSERVING PROCEDURES Previous: Frequency Switching . ... Continuum sources in the list used for flux density calibration were selected in an ad-hoc fashion from a variety of places, but primarily from Kuehr et al (A&AS, 45, 367, 1981), the compendium of linearly polarized sources by Tabara & Inoue (A&AS, 39, 379, 1980), and an unpublished list of unconfused calibrator sources prepared from the NVSS survey by Jim Condon and Qi Feng Yin. ... Board 0 . ...

... 2015: . Explanation of the Origin of Ultraluminous X-Ray Sources . Using optical spectroscopy, we revealed the origin of unusual objects: ultraluminous X-ray sources in other galaxies, which radiate in the X-ray range thousands times stronger than the black holes in our Galaxy. ... Detection of Radio Transients and Variable Radio Sources using the Archive Data of the Cold Surveys . ... O.Zhelenkova ), E.Majorova, A.Temirova . ... E.Majorova, O.Zhelenkova. ... Archive . ...

... R. E. Jackson . ... H.-M. Adorf . ... D. C. Wells . ... AstroWeb is a World Wide Web (WWW) interface to a collection of Internet accessible resources aimed at the astronomical community. ... The goal of AstroWeb is to be the most complete, up to date, and useful listing of Internet accessible astronomical resources available anywhere. ... Jackson, Wells, and Adorf noticed that they and others had created largely overlapping lists of Astronomical resources. ...

Main Publications Seminars Current measurements Personnel . ... RATAN-600 data for the BL Lacertae objects (multi-frequency catalogue, Version 1.0) . ... During many years the RATAN-600 radio telescope is used for the intensive studies of the active galactic nuclei (AGNs) at frequencies from 1 to 30 GHz. ... RATAN-600 multi-frequency measurements of flaring activity of BL Lacertae, ATel #5002 . RATAN-600 multi-frequency measurements of the gamma-ray blazar BL Lacertae , ATel #4600 . ...