... were entered in the atlas. ... In so doing lines were selected which yielded radial velocities close to the symbiotic velocity of MWC 560 (+35 km/s). ... The visible spectrum of MWC 560 is poor in absorption lines especially near the brightness maximum. In our atlas are visible only the blue-shifted components of , , NaI and FeII(42), interstellar lines NaI, a few diffuse interstellar bands (DIB) and telluric lines of and and, at length, traces of the spectra of the M giant. ...

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These notes summarize an informal HDF-S session at the Joint ESO/Australia workshop ``Looking Deep in the Southern Sky,'' which was held in Sydney, Australia, on 10-12 December 1997. ... AAT: 1 night imaging in broad and narrow (20 Angstrom) bands on HDF-S + environs using the Taurus tunable filter. ... NTT: HDF-S + surrounding region to be imaged under the auspices of the ESO Imaging Survey (EIS). 15 x 15 arcminute field of view imaged in U, g, r, I, J and K. 13 nights allocated for Sept/Oct 1998? ...

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• HDF-S Followup Notes - Sydney, December 1997
• Gaps in the Cloud Cover? Comparing Extinction Measures in Spiral Disks
• Time Dependence of UV Response

... Many scientific institutions maintain bibliographies of articles published by their scientists and monitor references made to these publications; these figures are often used to evaluate the effectiveness of the institution. ... a) Identification of papers that are based, at least partly, on new data Publications based on observations can be subdivided into two groups: those presenting new, previously unreported data, and those that make use of already published data. ... Published by . ...

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• ESO - Newsletter December 2015
• DFS Department meeting#8 minutes
• Media Advisory: ESO to hold media teleconference on 11 December to present

... I present results from several seasons of photometric observations of X--ray sources in the Orion OB1a and OB1b star formation regions. The initial goal was to measure the rotational periods of several dozen pre--main sequence (PMS) stars. ... Infrared and optical data confirm that 90% of the X--ray sources are PMS and about 10% of the PMS stars may have disks. ... I find rotation periods for five stars at confidence of greater than 99.9/ greater than 99/ at much lower confidence. ...

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• A matrix of tweets from #AAS225
• A matrix of tweets from #AAS221
• A matrix of tweets from #AAS223

Russian . ... text in Russian) . ... The Behaviour of the Bz Component of the Magnetic Field in Coronal Mass Ejections . ... Cooperation of IZMIRAN and Sternberg Astronomical Institute in the Study of the Sublimational Component of the Solar Coronal Radiation . ... Solar Wind and Magnetic Storms in the 24th Solar Activity Cycle . ... text in English) . ... The Solar Corona in the Light of TRACE Observations . ... Expeditions of Irkutsk Astronomers to Total Solar Eclipses in 1981--2012 . ...

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• Did You Know?
• Comparing files
• HTML Math

... This is not important for drift observations but poses a problem for any observing mode in which the telescope is moving while taking data, since the ALFA beams then will be rotating on the sky. ... The new mode is called ' sky angle tracking ' and is available for all existing observing modes. ... The next figure shows the distance between the beams in declination as a function of hour angle when the telescope is tracking a source with Dec=+10 from rise to set with a sky angle of 19 degrees. ...

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• Arecibo Observatory L-Wide Band Receiver
• Orbits in the period / acceleration plane
• modelAerostatPeriods

... The first part of the Astropark that most people see represents our own Solar System. The Sun and the nine main planets are laid out here, so that you can compare their distances and sizes. ... The Sun - the closest star to Earth, represented by a giant archway at the same scale as the planets beyond. ... They move in orbits around the Sun, also marked out in the Astropark. Moons - in orbit around nearly seven of the planets, but not represented in the Astropark. ...

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• Armagh Astropark: The Solar System
• Why Asteroid 2008 TC3 Represents a Landmark - Dr David Asher, from Armagh
• Transit of Venus, 8 June 2004

... OCR by H.Andernach 1/96, to be proof-read) This is the first of a series of papers presenting results of a 10-GHz radio continuum survey of the galactic plane region using the 45-m telescope at Nobeyama. ... Weak Nonthermal Sources: A comparison with the Bonn S-GHz survey reveals a number of weak nonthermal sources near the galactic plane. ... For this reason we conducted a survey of the galactic plane region at 10 GHz using the 45-m radio telescope at the Nobeyama Radio Observatory (NRO). ...

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• Principal Components Analysis
• mod_authz_owner - Apache HTTP Server
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Today's APOD | ... Galaxies rotate and move in clusters as if a tremendous amount of unseen matter is present. ... Specifically, present analyses of above WMAP all-sky image indicate that the universe is 13.7 billion years old (accurate to 1 percent), composed of 73 percent dark energy , 23 percent cold dark matter , and only 4 percent atoms , is currently expanding at the rate of 71 km/sec/ Mpc (accurate to 5 percent), underwent episodes of rapid expansion called inflation , and will expand forever . ...

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• Supernovae Charts.
• APOD: 2001 December 19 - Finding Dark Matter
• APOD: 2003 December 5 - Startling Star V838 Mon

... Family name(s) . ... Place of birth: Province (city/town), state, country . ... Passport data: 8.1.( ... City/town and country of the consulate where you plan to get Russian visa . ... What official language (Russian or English) he/she will use while translate text at the olympiad and during the cultural programme . ... GUVD 611, city Alma-Ata, Kazakhstan . ... Alma-Ata, Kazakhstan . ... Dr. Michael G. Gavrilov, Founding Chairman and Coordinator of the Asian-Pacific Astronomy Olympiad (APAO) . ...

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• The Asian-Pacific Astronomy Olympiad - Азиатско-Тихоокеанская астрономическая
• The VIII Asian-Pacific Astronomy Olympiad, accommodation fees
• The IX Asian-Pacific Astronomy Olympiad: applications, personal data

The annual Astrofest was held at Marsfield on 8 December 2004. With 14 engaging presentations on a wide range of topics, the day was interesting and educational for all. ... Joel presented the first ever detection of maser emission stimulated by a pulsar. ... After lunch it was time for extragalactic astronomy again, with discussions of current major survey projects by Ray Norris (Compact Array deep field), Lister Staveley-Smith (ALFA deep field) and Baerbel Koribalski (LVHIS). ...

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• ATUC report
• ATCA_mm_science
• PPTA Wiki | Main / Minutes2011

... We can help students grasp the significance of Hubble's extremely keen eye, and learn a bit about angles and math in the process, with the following in-class activity. ... Looking through binoculars or telescopes allows us to magnify a small section of the sky. To measure sizes or distances in that small section, astronomers divide a degree into 60 smaller pieces called arcminutes, and further subdivide minutes into 60 smaller sections called arcseconds. ... 30 feet = . ... 36 seconds . ...

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• ASP: Using Multicultural Dimensions to Teach Astronomy
• ASP: Star Science in the Autumn Sky
• ASP: Up, Up, and Away

... 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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Present section contains two Tables: the first one lists the names of all minor planets in alphabetic order as of the last updating of the Table. ... For each minor planet the Table, apart from number represents also the name of minor planet, if any, and its principal preliminary designation. ... Apart these preliminary designations special ones are used for minor planets discovered in the course of special surveys, undertaken between 1960 and 1977. ... Survey . ... Second Trojan Survey (1973) . ...

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• NAA 2013-2014 (preface)
• NAA 2015-2016 (preface)
• NAA 2009-2010 (preface)

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• Fabry-Perot Images of Spiral Galaxies
• THE HUBBLE LAW JAVA APPLET
• Astronomy HyperText Book: Stellar Clusters

Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... According to Velikovsky, about 4000 years ago a giant volcano on Jupiter erupted and spewed a vast glob of debris into space, leaving the Great Red Spot behind as a permanent scar. The red hot lump ejected from Jupiter (referred to as a comet by Velikovsky) wandered into the inner Solar System, repeatedly crossing the Earth?s orbit and in fact often passing close to our helpless planet in the following millennia. ...

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• Stargazing the Night Sky Course | Armagh Planetarium Events
• Stars | Astronotes - Part 2
• Following a rainbow back to the Big Bang | Astronotes

Here we compare the optical properties of porous particles of two kinds: . ... Below we show the behaviour of the efficiency factors Q ext (x), Q sca (x), Q abs (x), the asymmetry parameter g (x) and albedo (x) as well as for x = 3 and 100 the phase function i (theta) and polarization of scattered radiation p (theta) for different values of the parameters m and P . ... factors . ... Qext(x) . Qsca(x) . ... i (theta) . ... albedo (x) . ...

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• Linear polarization: wavelength dependence
• The 2175? feature
• Database of Optical Constants -- Level: welcome

... The European HST Archive has been moved to ESA's European Space Astronomy Centre ( ESAC ), Spain, where most of ESA's Space Science Archives are located and operated from. ... The Space Telescope European Coordinating Facility (ST-ECF), jointly operated by ESA and the European Southern Observatory ( ESO ) was, until the end of 2010, the European HST science facility, supporting the European astronomy community in exploiting the research opportunities provided by the Hubble Space Telescope. ...

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• HST 3 Conference
• About ST-ECF
• The Evolution of Stars seen with ISOCAM - the Need for NICMOS and VLT Follow...

... 1100 FTT/NAS . ... 1120 Camera . ... 1140 Camera Mount & Enclosure . ... 1170 Test Equipment . ... 1200 FLC . ... MRO-PLA-CAM-0000-0106 FTT/NAS & FLC Development Plan . ... MRO-ICD-CAM-1000-0109 "FTT/NAS,FLC-UTE" FTT/NAS & FLC to Enclosure ICD . MRO-ICD-CAM-1000-0110 "FTT/NAS,FLC-NOT" FTT/NAS & FLC to optical table ICD . MRO-ICD-CAM-1000-0111 "FTT/NAS,FLC-UT" FTT/NAS & FLC to UT optical ICD . ... Printable View of http://www.mrao.cam.ac.uk/projects/OAS/pmwiki/pmwiki.php/MROIFastTipTilt/DocMan) ...

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• MERLIN Observations of the Radio Jets of SS433
• OptInt PmWiki : Doc Man
• DUST: dust_model Struct Reference

Our group is involved in theoretical and observational research in several topics of star formation. ... The Arcetri group is carrying a coordinated effort to determine the kinematics and physical parameters of clouds where high-mass stars form. Massive stars form in association with solar mass objects from gas clouds of mass anywhere between one hundred and ten thousand times that of the sun. ... Disks around young stars: Inferring planet formation . ... Star Formation Group Page . ...

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• mod_authz_owner - Apache HTTP Server
• About this Book
• SWXCS