Lessons learned from the Thirty Meter Telescope site testing Tony Travouillon Sebastian Els, Angel Otarola, Reed Riddle, Matthias Schoeck, Warren Skidmore TMT.XXX.PRE.05.0XX.DRF01 1 Introduction TMT and its Site testing. Important choice before going on site. ... Considerations during analysis of the data. TMT.XXX.PRE.05.0XX.DRF01 2 Some Background about the TMT Site Testing TMT is a 30m, segmented, RitcheyChretien telescope design. ... ASCA Cloud Cover Analysis So how do we do it in practice? ...

... International astronauts are those individuals from international space agencies who have trained or served with NASA Astronauts. Astronaut assignments and category definitions (e.g., "active" astronauts, "management" astronauts) are contained in a separate Flight Operations Directorate (FOD) policy letter. Former astronauts are those who are no longer employed by their agency. Active and Management International Astronauts . Astronaut . ... Former International Astronauts . ...

... Bad Astronomy . ... Bitesize Astronomy . ... Last week's Snack talked about how black holes can affect the environment around them in such a way as to be very bright . ... It's a common misconception that black holes always have matter swirling into them. ... As this matter gets closer and closer to the black hole it piles up and a large, fairly flat disk forms. This is called the accretion disk , because matter from this disk accretes (that is, falls in) on the black hole. ... 2008 Phil Plait. ...

... Dept. for Physics of Stars&Galaxies . ... Using a database view Sloan Digital Sky Survey (SDSS), containing almost a million spectra created 15,000 sample galaxies with active star formation, which is used for various studies and physical state of evolution of galaxies. ... Star clusters of the Galaxy . The project MWSC (Milky Way Star Clusters) directory using 2MASS, which includes nearly 500 million vision to the limit Ks = 15.3, analyzed more than 4,000 cluster-like objects in the galaxy. ...

... 19 љ*</tt>: landscape textures and data files</li> . ... 73 љIf a file exists in the <em>User Data Directory</em>, it will be used in preference to a file with the same name existing in the <em>Installation Data Directory</em>. ... 79 љ <li>Users who modify files in the <em>Installation Data Directory</em> will likely have their work deleted or overwritten when they upgrade Stellarium. ... In this case , all the files would be in the <em> \<Installation Data Directory>/stars/default</em> directory. ...

Nowadays at the Department the experimental and theoretical investigations, including astronomical and ionospheric observations, active experiments with space vehicles are taking place. ... Solar Corona physics and erruptive phenomenae. ... Stellar astronomy. ... The Department has organized and put into practice more then 50 expeditions for observation of Solar ecllipces, aurorae polaris, comets, meteor streams, controlled space experiments, and also for investigations of geophysical characteristics. ...

... Description of e-Mail Commands . Abstract and Paper preparation for Put . ... Physics hep-th @ xxx.lanl.gov High Energy Physics - Theory, 8/91 hep-lat @ xxx.lanl.gov High Energy Physics - Lattice, 2/92 hep-ph @ xxx.lanl.gov High Energy Physics - Phenomenology, 3/92 cond-mat @ xxx.lanl.gov Condensed Matter, 4/92 astro-ph @ xxx.lanl.gov Astrophysics, 4/92 gr-qc @ xxx.lanl.gov General Relativity Quantum Cosmology, 7/92 nucl-th @ xxx.lanl.gov Nuclear Theory, 10/92 chem-ph @ ...

Galaxies are diffuse objects which are imaged against a background of finite brightness and noise. Galaxies which have the maximum contrast with respect to this background are the ones that are first discovered. ... These galaxies have been missed to date but active surveys for them are underway. ... In this page we present several examples of these newly discovered Low Surface Brightness galaxies as well as examples of high surface brightness galaxies. ...

... 4 November 1994 . orbit . ... 0.0128 . ... orbit period . ... satellite mass . 1950 kg . scientific payload mass . 550 kg . ... For more information send a mail to: info@sputnik.infospace.ru . 1997-2002 SMIS IKI RAN and SRC "PLANETA" Moscow, Russia. ...

. Search this album . Gallery . :: The First 100 Years . :: Instruments . :: Display clock . Sidebar Left . Sidebar Top . No Sidebar . Sidebar Bottom . Sidebar Right . View full size . Title: Display clock . File name: displayclock.jpg . Dimensions: 427 x 428 px . Page: 1 2 16 17 18 19 20 21 22 23 24 25 . Powered by Gallery 3.0.9 (Chartres) . Login

... Members . ... The ATM's of Boston was founded in 1934 by a group of persons interested in assisting others in the art of optical polishing the craft of telescope making, and to learn together about the science of astronomy and the use of astronomical instruments. ... Mr. Jones introduced the club to Dr. Harlow Shapley at Harvard College Observatory. ... Regular shop activities resumed with the help of these "professional amateurs" and the club grew to 180 members. ... Club Newsletters . ...

Software Forum Message . Forums: . ... Astronomy Software Discussion | ... NIGHTCAL – New Version 0.7.2 Available To Download . ... The new version of NightCal Astronomical Observing Software (version 0.7.2) has been released today (6th January 2006). ... If you like NightCal software, please feel free to rate it and post comments about NightCal at http://www.astrotips.com/Downloads-index-req-viewdownloaddetails-lid-673-ttitle-NightCal.phtml. ... www.astronomy.net . About Astronomy Net | ...

Project Pages . Group & Institution Pages . NASA's Space Physics Data System . ... Boston University . ... Return to the list of institutions . ... Has links to Australian region ionospheric, solar and geomagnetic data, including a current summary and forecast updated daily at 0000UT. ... SCATHA Data Page . ... A data server for Pioneer 10 and 11 and Pioneer Venus Orbitter data. ... These pages provide real-time data displays and lists of solar wind data collected by the NASA WIND spacecraft. ...

To appear in "Fourth Workshop on Robotic Autonomous Observatories (2015)"RevMexAA(SC) MASSIVE PHOTOMETRY OF LOW-ALTITUDE ARTIFICIAL SATELLITES ON MINI-MEGATORTORA S. Karpov, 1, 3 E. Katkova,2 G. Beskin, 1, 3 A. Biryukov3,4 S. Bondar,2 E. Davydov5 E. Ivanov,2 A. Perkov,2 V. Sasyuk3 RESUMEN Favor de prop orcionar un resumen en espanol. ... The nine-channel Mini-MegaTORTORA (MMT-9) optical widefield monitoring system with high temporal resolution system is in operation since June 2014. ...

Product: Report of Solar-Geophysical Activity :Issued: 2016 Apr 08 2200 UTC # Prepared jointly by the U.S. Dept. of Commerce, NOAA, # Space Weather Prediction Center and the U.S. Air Force. ... Analysis of Solar Active Regions and Activity from 07/2100Z to 08/2100Z: Solar activity has been at low levels for the past 24 hours. ... Geophysical Activity Summary 07/2100Z to 08/2100Z: The geomagnetic field has been at quiet to minor storm levels for the past 24 hours. ...

Russian SHAREABLE DATA CENTER Institute of Solar-Terrestial Physics SB RAS . ... Antenna system . ... The Irkutsk incoherent scatter radar is one of the world's nine active radars which give the opportunity to investigate ionosphere by the incoherent scatter method. ... Antenna gain coefficient . ... Antenna . ... Two antennas . ... To get an idea what station "Dnepr" antenna system looks like, let us consider some of the radar views which are given by the photographs General view and Side view . ...

RADIOASTROPHYSICAL DEPARTMENT • INSTITUTE OF SOLAR-TERRESTRIAL PHYSICS RAS SB . General information Main characteristics of the Radio telescope Observing programs General view of the antenna array Main research areas Principle of generation of radio images Radio telescope 's beam Receiving systems Main characteristics of the base receiving-recording complex Calibrations Data archive and databases Publication SSRT - Siberian Solar Radio Telescope . ...

... Numbers of e-prints are undercounted. Number of e-prints are given only for 2000y. Collaboration name . ... N of Russians . Last e-print . N. of e-prints . ... hep-ex/0002048 . ... hep-ex/00004031 . ... hep-ex/0008050 . ... astro-ph/0011313 . ... astro-ph/0003012 . ... astro-ph/0002471 . ... hep-ex/0011029 . ... hep-ex/0012039 . ... hep-ex/0012046 . ... hep-ex/0002026 . ... hep-ex/0002064 . ... astro-ph/0001083 . ... astro-ph/0002054 . ... hep-ex/0012052 . ... astro-ph/0012401 . ...

... The distributions of orbits eccenttricities and of angular momenta for the halo stars and the old disk population are considered. The distributions have gaps separating the halo from the disk and dividing the halo population into three groups. ... Рассмотрены распределения звезд гало и старого населения диска по величине эксцентриситета орбит и угового момента. Распределения имеют провалы, отделяющие гало от диска и делящие населения гало на три группы. ...

... 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 . ...