... GOODS unites extremely deep observations from NASA's Great Observatories, Spitzer , Hubble , and Chandra , ESA's Herschel and XMM-Newton , and from the most powerful ground-based facilities, to survey the distant universe to the faintest flux limits across the electromagnetic spectrum. ... The space-based observations are complemented by ground-based imaging and spectroscopy, including extensive commitments of ESO and NOAO observing time. ... 2010-04-10: Deep VLA 1.4 GHz data for GOODS-North . ...

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... 27.10.2007 . ... Credit Copyright: Robert Gendler and Stephane Guisard Explanation: A jewel of the southern sky , the Great Carina Nebula , aka NGC 3372, spans over 300 light-years, one of our galaxy's largest star forming regions. ... Eta Carinae is the bright star left of the central dark notch in this field and just below the dusty Keyhole Nebula (NGC 3324). ... 2007 2008 . ... Publications with keywords: Keyhole Nebula - carina nebula . Publications with words: Keyhole Nebula - carina nebula . ...

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• Астронет > The Great Carina Nebula

... 2011 June 9 . The Great Carina Nebula . ... Explanation: A jewel of the southern sky , the Great Carina Nebula , also known as NGC 3372, spans over 300 light-years, one of our galaxy's largest star forming regions. ... The Carina Nebula is home to young, extremely massive stars, including the still enigmatic variable Eta Carinae , a star with well over 100 times the mass of the Sun. Eta Carinae is the brightest star at the left, near the dusty Keyhole Nebula (NGC 3324). ... About APOD | ...

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• APOD: 2007 October 27 - The Great Carina Nebula
• APOD: 2013 October 15 - The Great Carina Nebula
• APOD: 2009 February 16 - The Great Carina Nebula

... ATNF Home . About ATNF . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... Australia Telescope Online Archive (ATOA) . ... Parkes | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . ... Parkes radio telescope webcam . ... The Secret Inner Life of the Orion Nebula . ...

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• The Secret Inner Life of the Orion Nebula
• Powerful AGN and Their Host Galaxies Across Cosmic Time
• A Blind HI Survey in the Great Attractor Region.

... News . ... Supernova showered Earth with radioactive debris . ... What is the average time for dust discharged from a supernova to be reconsolidated in part or whole to form a new start? ... A dust grain ejected when a massive star explodes as a supernova can follow a few different paths. One possibility is that it will leave its host galaxy entirely as part of a galactic wind. ... Get instant access to subscriber content on Astronomy.com! ... LATEST NEWS . ...

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• Time travel | Astronomy.com
• Does the time it takes different methods to create all the elements coincide
• Stellar time machines | Astronomy.com

Photon Scattering: Basic Principle of Photon Scattering . Audio Narration is available . No Scattering: Photon Source and Detector . ... For optical photons, scattering goes as wavelength to the -4 power. In the case of blue photons compared to red photons, this means that blue photons are about 10 times more likely to get scattered than red photons. ... Watch the blue photons scatter away from the detector . ... Interstellar dust make stars appear redder than they really are . ...

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home publications > mercury . SEARCH ASP SITE: Match ALL words Match ANY word . ... The Universe in the Classroom . ... The Great Cosmic Map . ... But maps can also provide vivid insights into fundamental truths about the world we live in. ... Maps have also been fundamental to understanding our place in the universe beyond Earth. Cosmographies ? maps of the universe ? are as old as human civilization, and have gone hand in hand with cosmogonies describing the creation of the world. ...

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• ASP: An Ancient Universe - The Age of the Chemical Elements
• ASP: An Ancient Universe - The Age of Light from the Most Distant Galaxies
• ASP: Mercury's Time to "Shine"

Postdoctoral researcher, University of Cambridge . ... My research interests are centred around understanding galaxy evolution across cosmic time.б? . ... In the local Universe I use large surveys for gas, metals, and stars, to shed light on the physical processes governing the evolution of galaxies across all cosmic epochs.б? . Dr. Matt Bothwell, Room K29, Kavli Institute for Cosmology, University of Cambridge, Madingley Road, Cambridge, CB3 0HA, UK, +44 (0)1223 33754 msb47 -at- mrao.cam.ac.uk . ...

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• Emily Curtis

... Science . ... Science Users Information > Science and Technical Meetings > Conferences 2007 > agnii2007 . ... Science Users Information . Observing Facilities . ... Observing with ESO Telescopes . ... Data Handling and Products . ... Science Data Products Forum . ... ESO Data . ... By penetrating the obscuration that, in Type 2 sources, hides the nuclear regions in the UV to the near-IR spectrum, these new surveys are finding the radio quiet counterparts of the powerful radio galaxies. ...

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• ESO - Observing Time Calcaulation for APEX Instruments Artemis and Supercam
• ESO - Real Time Follow-up of Transient Objects From PESSTO
• ESO - Period 92 Telescope Time Allocation

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

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• VISTA Exposure Time Calculator Help v1.0
• VISTA Integration Time DIT Recommendations
• Publications about VISTA

... Proposing for VLBI Time at Arecibo . ... Documentation (Field System, VLBA4 terminal, Mark 5 system) . ... In 2001, the Arecibo Observatory received its hybrid VLBA-MARK IV (VLBA4) data acquisition system, and currently NAIC commits Arecibo to support VLBI observing up to a maximum of 4% of the 305-m's observing time. ... Tracking Time (h:mm) . ... The inclusion of the 305-m Arecibo radio telescope can dramatically boost the sensitivity of VLBI observations, even with its limited source tracking...

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• Details of Rotang
• Alfa_ang - IDL procedure for calculating the optimum rotation angle for ALFA
• M42 Color Images

... Robert L. Stewart (Brigadier General, USA, Ret.) ... SPECIAL HONORS: Awarded Army Distinguished Service Medal , Defense Superior Service Medal , 2 Legion of Merit, 4 Distinguished Flying Crossed, a Bronze Star, a Meritorious Service Medal , 33 Air Medals, the Army Commendation Medal with Oak Leaf Cluster and V Device, 2 Purple Hearts, the National Defense Service Medal , the Armed Forces Expeditionary Recipient of NASA Space Flight Medal (1984 & 1985). ...

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• Astronaut Bio: Bruce McCandless II

January 1998 One of the great unsolved problems in software development is the task of estmating time required for a software project. ... Rather than focusing on causes, or theoretical approaches, I herein offer a practical guide to improving time estimates for the worst-case scenario, the dreaded Five Minute Task . ... deal with the compile-time errors you failed to anticipate: . ... install software: . ... deal with installed software changes crashing all systems at random intervals: . ... test: . ...

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• Time Warp - Links
• An example of a typical timing analysis
• dictionary

... arfgen (arfgen-1.70.4) [xmmsas_20060628_1801-7.0.0] . ... This has been taken into account in the exposure time in the spectrum header for files created with pipeline versions greater than 20010618 but wasn't catered for in earlier pipeline runs. arfgen checks the PPSVERS keyword in the file header and applies the correction to the output ARF if the pipeline version is older than 18 June 2001 and if the parameter modelootcorr is set to true (the default). ...

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Orion. Orion is the most remarkable constellation of the sky. ... In its bright stars arrangement the hunter?s figure can be seen to the south - east of which the blue Sirius is shining and to the north - west - a red Aldebaran. ... Rigel ( b of Orion) is more bright then Betelgaise. ... The most interesting object in the constellation is the Great Nebula Orion (M 42), lying below the belt of three stars and remote from us as far as about 1000 light years. ...

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• tumanandromedate
• timekeepe
• sozvezdiae

Russian Version ( KOI-8 , Win ) . Institute of Astronomy of the RAS . ... Self-consistent simulation of chemical and dynamical evolution of protostellar clouds . Chemical evolution of galaxies . ... Soon after my birth I was moved (I was not able to move on my own in those times, you know) in Novouljanovsk, small town to the south of Uljanovsk. ... Since that time my life and work is bound to the Institute of Astronomy of the Russian Academy of Sciences. ... Back to the INASAN home page . ...

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• On current distance scales for open clusters
• Globular Clusters: Self-Enrichment

... Using the self-consistent 3D hydrodynamical code in Kobayashi et al. (2007) , we simulate the star formation and chemical enrichment history of the Universe. ... We also predict the rates of supernovae and gamma-ray bursts, and the properties of the host galaxies, which will be observed with the ANU's new SkyMapper telescope. ... Supernova feedback on galaxy formation. ... Feedback from active-galactic nuclei (AGN). ... COALA : Universe Galaxy AGN Star Planet ...

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• Which Programming Language Should I use
• The High-Z SN Search Description
• Dougal Mackey - CV

... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... SUBJECT: 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. 25-29, 2014 . ... which will be held in Beijing, P.R. China, from August 25-29, 2014, hosted by Chinese Academy of Sciences . ... China), . ... 1st Announcement IAU Symposium 312 Star Clusters and Black Holes Across Cosmic Time, Beijing, China, Aug. ...

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• MAO NASU :: Topic: The third-order space-by-time relation (1/1)

. Computer Ephemeris. Sidereal time. Explanations. Each row contains at 0h of Universal time: month, day, real sidereal time (hours, minutes, seconds), mean sidereal time (only seconds, as a rule, hours and minutes are the same as in real time) and nutation in right ascension: long periodic (with periods greater than 35 days), and then short periodic (periods less than 35 days). Standard IAU 1980 nutation theory is used.

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• Reduction quantities for Sidereal time. Explanations for Computer Ephemeris.
• Reduction quantities for Dynamical time. Explanations for Computer Ephemeris.
• Cosmology

The HyperNews Linux KHG Discussion Pages . Forum: The Linux Kernel Hackers' Guide . Date: Tue, 23 Dec 1997 16:39:31 GMT . From: Jody Winston < jody@sccsi.com > . I have a device driver that needs a dead man timer to go off and invoke a function if and only if the time since the last interrupt is greater than a given value. Should I use interruptible_sleep_on to implement the dead man timer? .

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• Arcetri Star-Formation Group Publications
• NEO precovery work on the UK Schmidt archive
• Programme - Cosmic Polarization Rotation Workshop, Septemeber 7-8, 2015