... 237S (SIMBAD/NED BibCode) ================================================================================ Keywords: Sun: UV radiation - atmospheric effects - Sun: atmosphere - lines: identification Description: An ultraviolet atlas of the solar spectrum with a spectral resolution of 15mA in the region 1948-2000A is presented. ... The wavelength atlas with a list of about 550 lines has been synthesized from data at center of the Sun ({mu}=1) and at {mu}=0.89, smoothed out over an area of 30 arcsec. ...

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SXG Data Center . ... Sky visbility This utility permits to find the sky region that will be accessible for obsevation by the main telescopes of SXG. Observation opportunity programm This utility permits to find the the observation opportunity of given source ( RA, DEC ) during given MJD interval by the telescopes of SPECTRUM-XG directed along X-axis. Mask of the Earth/Moon This utility permits to find the sky region that will be blocked by the Earth/Moon for observation by SPECTRUM-XG . ...

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• RTT150 Technical Description
• GRANAT Home Page
• Fast search through RTT150 data archive

... Radio Astronomy . ... ASRAS Board Members . ... To see the most up to date news and events happening with ASRAS log in with your user name and password and then click on the Activities page. ... Messier Marathon (Member Observing) CANCELLED Saturday, April 9, 2016 9:00 PM Location:Farash Center Ionia NY . ... ASRAS Members meeting - Friday May 6 at Farash Center - Ionia NY . ... ASRAS Board members meeting - monday May 9 @ Farash Center Monday, May 9, 2016 7:00 PM Location:Farash Center Ionia NY . ...

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... Within the transnational Access program of SOLARNET, European investigators can apply for observing time with the European instruments IBIS and ROSA , which are installed at the Dunn Solar Telescope of the US National Solar Observatory ( DST/NSO ). ... Periodic calls for proposals will be published for requesting SOLARNET observing time with the European instruments IBIS and ROSA, installed at the Dunn Solar Telescope of the US National Solar Observatory (DST/NSO). ... SOLARNET Access . ...

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• AO on AR 8970
• Observing capabilities
• IBIS - Flat Fielding

... BigStarCatalogExtension::StarWrapper< Star > Class Template Reference . StarWrapper (const SpecialZoneArray < Star > *a, const SpecialZoneData < Star > *z, const Star *s) . ... getJ2000EquatorialPos (const StelCore *core) const . ... getVMagnitude (const StelCore *core, bool withExtinction=false) const . ... getSelectPriority (const StelCore *core) const . ... getInfoString (const StelCore *core, const InfoStringGroup &flags) const . ... getEquinoxEquatorialPos (const StelCore *core) const . ...

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• Stellarium: Quasar Class Reference
• Stellarium: Supernova Class Reference
• Stellarium: Nebula Class Reference

... Space flight . ... Space camp . Space Hotel . ... The "Hydrospace" program is a unique complex of engineering facilities and is intended for training cosmonauts for their operations in outer space. ... The Neutral Buoyancy Laboratory includes : . ... A mock-up of the "Orlan-M" EVA-suit; . ... Air- and water supply systems complex; . ... The air- and- water supply systems are intended for provision of EVA- suit, diving equipment and diving decompression chamber with air and water. ...

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• ATLAS aerospace invites you to participate in cosmonaut and astronaut training
• Space Camp - Educational center related to space exploration for kids,

. Statistics of sunspot activity . The sunspot indices . My observations . NGDC's observations . The solar regions . Links . About authors . Russian pages . The solar regions . NOAA 11300's . NOAA 11200's . NOAA 11100's . NOAA 11000's . NOAA 10900's . NOAA 10800's . NOAA 10700's . NOAA 10600's . NOAA 10500's . NOAA 10400's . NOAA 10300's . NOAA 10200's . NOAA 10100's . NOAA 10000's . NOAA 09900's . NOAA 09800's . NOAA 09700's . NOAA 09600's . NOAA 09500's . NOAA 09400's . NOAA 09300's .

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• The Sunspot Observer - Average annual indices of solar activity NGDC -
• The Sunspot Observer - Average annual indices of solar activity NGDC - April,
• The Sunspot Observer - Average annual indices of solar activity NGDC - March,

The Doppler shift is the effect of sound increasing or decreasing in pitch as an object moves towards or away from you. ... Light works the same way, except light is shifted to redder colours when an object is moving away, and to blue colours when an object is travelling towards us. ... Almost every object he observed had its light stretched to redder colours, indicating essentially everything in the Universe was moving away from us. ... So the Hubble constant tells us how old the Universe is. ...

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• Siding Spring Survey Follow-up Obs
• Siding Spring Survey Links
• Melted remains of Cassegrain spectrograph are on the remains of the observing

. XMM-Newton Science Analysis System . testodf (testodf-0.45.1) [xmmsas_20080701_1801-8.0.0] . Meta Index / Home Page / Description . This test ODF is an observation of a point source that is placed on-axis, and whose spectrum consists of 30 lines. Each line has a Gaussian profile; the width is 1/100th of the energy of the center of the peak. This source is observed with all instruments in their 'default' configuration during 10 ks. XMM-Newton SOC/SSC -- 2008-07-01

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Winer Observatory P.O. Box 797, Sonoita, Arizona 85637-0797, USA . ... Site . Weather . Roof Status . ... Average Max. ... 0.0 . ... In 2004, the roof was operated manually, while in 2005 through 2007, it was operated automatically by computer, but was not closed by weather sensors. ... The "Closed" column includes those nights outside the Monsoon season when the Observatory was closed due to weather (the usual cause), equipment failures, or vacation by the Winer staff in 2004 through 2006. ...

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... Public . ... Science Users Information > Observing with ESO Telescopes > Phase 3 > Release Description . ... The release description is essential for the data content validation carried out by the Archive Science Group before ingesting the data in the ESO Archive. ... To prepare the data release description, please start from the template provided below and follow the guidelines provided therein. ... ESO Phase 3 Data Release Description . ... Please indicate if this is a catalogue data release. ...

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• Marina Rejkuba's Web Site
• ESO - 8th VLTI Summer School: High angular resolution in astrophysics: optical
• ESO - Circumstellar Dynamics at High Resolution

Peremennye Zvezdy ( Variable Stars ) 32 , No. ... We report on a new episode of decretion disk formation in the IGR J06074+2205 system. ... From a study of three HeI lines, the rotational velocity of the star was determined as km/s. After five years of spectroscopic monitoring of IGR J06074+2205 (Reig et al. 2010), a reversion from emission to absorption of the H line and hence disappearance of the equatorial disk was reported. ... Reig P., 2011, Astrophys.& ...

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• The Galactic Center A Radio Mystery
• Астронет > The Galactic Center A Radio Mystery

... 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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• High Energy Astrophysics Missions
• STDA files
• ION Results Page

... The comet 169P was first observed by the Near-Earth Asteroid Tracking system. In order to observe this comet we had to figure out if it was possible to view it from Faulkes Telescope South, a 2m reflecting telescope which is used for research as well as for use by school students around the world over the internet. ... Since 169P is such a bright object, we were able to use a red filter on some of our observations to provide a clearer image. ...

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• Observations with the Faulkes Telescope North
• Armagh Observatory
• The Little Asteroid that Could, so it could

We report here on those proposed UIT targets that, in fact, were successfully acquired. Where possible we provide an optical CCD image of the target or the field. Note on Filters: . A1 centered at 2500 angstroms with a width of 1200 angstroms . ... UGC 5675 is another Low Surface Brightness galaxy which is the center of the fourth deep A1 field. ... M32 a very high surface brightness dwarf elliptical companion was observed for 1561 seconds through the B5 filter. ...

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• University of Oregon Center for High Energy Physics - ATLAS
• U of O High Energy Physics Seminars
• University of Oregon Center for High Energy Physics - Recent Experimental Talks

. [ Go back to Comet WWW site ] . Andrew A. Martis . martis @ sai.msu.ru .

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• Comet Center of SAI: Our observations

About us . ... Telescopes . ... Apart from the 6-meter telescope BTA two small telescopes are operative at SAO: the 1-m and 0.6-m telescopes, both manufactured by Carl Zeiss, Jena, are located near the BTA. ... These telescopes are used for adjusting the equipment and techniques of observations used at the BTA. ... The observational time allocation and also a brief description of the equipment of the 1-m telescope, which is used either permanently or mainly on this telescope, are presented below. ...

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• Large telescopes application form
• Ratan-600 application form
• Radio telescope short description

... Comet Tutorial . ... On July 1, 1993 an image was taken with the Hubble Space Telescope (HST) that clearly shows at least 15 individual fragments in one image frame of the train. ... This made an accurate orbit (or orbits) difficult to determine; however, after numerous observations of the comet, astronmers determined that the comet had passed within 96,000 kilometers (60,000 miles) of the center of Jupiter or 25,000 kilometers (16,000 miles) from the cloud tops during the July 8, 1992, approach. ...

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• Venera 15 & 16
• Lunar Orbiter 5
• Lunar Orbiter 2

As in the last years, the Ephemerides of Minor Planets for 2015 are prepared by the IAA RAS only in the electronic form. ... Orbital elements of all numbered planets have been determined in IAA all over again on the ground of available observations in the catalog of the Minor Planet Center. ... More detailed information on orbital elements used in the present volume of EMP and their accuracy is given in section "Information on new orbital elements". ... a) information on new orbital elements; . ...

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• IAA EOP Service
• IAA VLBI Analysis Center

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. January 28, 1999 . The Galactic Center - A Radio Mystery . ... Explanation: Tuning in to the center of our Milky Way galaxy, radio astronomers explore a complex, mysterious place. A premier high resolution view, this startlingly beautiful picture covers a 4x4 degree region around the galactic center. ... About APOD > . ...

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• APOD: 2002 August 3 - The Galactic Center A Radio Mystery
• APOD: 2001 May 16 - The Center of the Circinus Galaxy in X-Rays
• APOD: 2008 December 11 - At the Center of the Milky Way