3) Planets and Brown Dwarfs . ... By its nature, this method is most sensitive to massive planets orbiting close to their stars. ... That means that some of the more massive extrasolar planets could actually be brown dwarfs (although the statistics of the finds suggest that most of them are not). ... Another possible difference between brown dwarfs and massive planets is how they are born. ... They would base the fundamental definition on the mode of formation: a planet is built from planetesimals. ...

... Signed, "A Black Hole" . ... Credit: B. Woodgate ( GSFC ), G. Bower( NOAO ), STIS Instrument Definition Team, NASA Explanation: This artistic image is actually the signature of a supermassive black hole in the center of distant galaxy M84 - based on data recently recorded by Hubble's new Space Telescope Imaging Spectrograph ( STIS ). ... Do all galaxies have central black holes? ... Publications with keywords: black hole . ... Jumbled Galaxy Centaurus A . ... Black Holes in Galactic Centers . ...

... Meade Instruments Corporation . ... Autostar Computer Controllers . 497 Autostar . ... One of the most important advances in telescope control in the past 25 years, the Meade #497 Autostar Computer Controller turns the ETX into an automatic celestial object locating system. ... The #497 Autostar Computer Controller plugs into the control panel of ETX-90EC, ETX-105EC, and ETX-125EC telescopes and enables automatic location of more than 30,000 celestial objects. ... about meade | ... Meade 4M | ...

... There are compelling reasons for the pulsar community to utilise a standard data storage format. For example, standardisation of file formats significantly decreases the amount of effort required to integrate new instruments into the analysis chain. ... Accordingly, we have defined PSRFITS as a standard FITS-based format for pulsar data files. ... For example, the first line of Processing History HDU contains information about the data acquisition program and the initial structure of the file. ...

... Science Users Information > Observing with ESO Telescopes > Phase 2 Preparation > Observing conditions . ... Service Mode Philosophy . ... The following definitions of the observing conditions are common between Phase 1 preparation and Phase 2 preparation, as well as between Service Mode and Visitor Mode observations. ... There are additional Service Mode Policies and Service Mode Guidelines regarding the observing conditions. ... Seeing (Phase 1) and Image quality (Phase2) constraints . ... Moon . ...

Astronotes Armagh Planetarium's Stellar Blog! ... Our Galaxy . ... Other Galaxies . ... Space Flight . ... When Galaxies Collide (Image credit: ALMA (ESO/NAOJ/NRAO). Visible light image: the NASA/ESA Hubble Space Telescope) . In the southern sky constellation of Corvus (the Crow), we see the Antennae Galaxies (alias NGC 4038 and 4039). ... Your email address will not be published. ... Here you will find the latest news and views from the fascinating worlds of astronomy and space exploration. ...

OptInt PmWiki . ... Science Instrument Downselect . ... Page History | ... PmWiki . ... PmWiki FAQ . ... pmwiki.org . ... Return to Science Instrument Downselect ( Edit ) . ... Proc. SPIE paper on downselect . ... March 09, 2007, at 05:30 PM by John Young - Status from 2006/10/12 update (see attachment) . ... Complete . ... P4S combiner optimization . ... P4S switchyard optimization . ... P8 combiner optimization . ... P8 (internal) switchyard optimization . ... Due 2006/07/31 . ... Due Date . ...

Have you ever heard the name of a star or constellation and wondered what it meant? ... I've compiled a table of commonly known star names and their definitions in the Western tradition, grouped by constellation. ... Following each constellation entry are any named stars found therein (in order from brightest to faintest), listing the Bayer (Greek letter) or other common designation, the star name, and English translation. ... Some other sites with star name information: . ...

. Pulkovo Observatory of Russian Academy of Sciences is situated . near Saint-Petersburg. It was founded in 1839. 196140, Saint-Petersburg, Pulkovskoye chaussee 65/1 . English version . Russian version . This page has been accessed times since May 1, 1999.

lsst.tcc љ 1.2.2-3-g89ecb63 . ... Files . ... python . ... cmd . setInstrument.py . ... 15 љ def setInstrument (tccActor, userCmd): . ... 18 љ @param[in,out] tccActor tcc actor . ... 37 љ cmd = userCmd, . ... 52 љ RotSwapper (tccActor=tccActor, userCmd=userCmd, newInst=newInst) . ... 56 љ finishSetInst (tccActor=tccActor, userCmd=userCmd, isNewInst=isNewInst) . ... Definition: setInstrument.py:107 . ... tcc.cmd.setInstrument.RotSwapper.tccActor . ... tcc.cmd.setInstrument.RotSwapper.userCmd . ...

... October 17, 1999 . Black Holes in Galactic Centers . ... HST , NASA . Explanation: Do all galaxies have black holes at their centers? Although not even a single galaxy has yet been proven to have a central black hole , the list of candidates continues to increase. ... In all the galaxies studied, star speeds continue to increase closer the very center . This in itself indicates a center millions of times more massive than our Sun is needed to contain the stars. ... About APOD > . ...

... Magnetic Field . ... The atoms of oxygen, for instance, contain electrons with negative electric charges and protons which are positive, but the two charges balance each other andthe electric and magnetic forces cancel. ... It can be shown that such free electrons and ions will be guided by the magnetic field lines (or "lines of force") which rise from near the southern (magnetic) pole and enter the Earth again near the northern pole. ... Reversals of the Earth's field (4 queries) . ...

... ESO PR Photo 03a/01 . ... Caption : PR Photo 03a/01 is a colour composite mosaic image of the central part of the Orion Nebula , based on 81 images obtained with the infrared multi-mode ISAAC instrument on the ESO Very Large Telescope (VLT) at the Paranal Observatory. The famous Trapezium stars are seen near the centre and the photo also shows the associated cluster of about one thousand stars, about a million years old. Technical information about this photo is available below. ...

Next: Data Structures Up: Multi-Object Spectroscopy Previous: Fitting the dispersion . DEFINE/MOS helps you to localize your objects and sky regions and by default works automatically. ... In the averaged frame it tries to detect objects above the threshold ( ) within the search window and fits a gaussian to any detected object. ... SET/MOS def_mode=i . ... It may be advisable to do at least a rough sky subtraction ahead of this command to facilitate the detection of the objects. ...

Простой атом - это функтор с соответствующим количеством аргументов , недоопределенное множество или переменная : простой_атом = функтор [ "(" [ термы_и_выражения [ "*" ] ] ")" ] | ... В этом случае атомарная формула обозначает предикат с переменным числом аргументов (" предикат переменной арности "), а помеченная переменная - список аргументов , не определенных явно в составе атомарной формулы . ... P{is_even : 'any'|Rest} :- P{is_even : 'yes'|Rest}, P{is_even : 'no'|Rest}. ...

... What's New? Bad Astronomy . ... News . ... The questions was: "During a flight, I saw a round rainbow shaped like a doughnut. ... However, she said that all rainbows are actually circles, and that she could not find a name for this phenomenon. ... One is that rainbows really aren't full circles. ... Basically, rainbows are due to light getting bent ("refracted") inside of raindrops. ... It's called a "glory", and is formed in a somewhat different way than rainbows. ... 2008 Phil Plait. ...

... GSAOI Home . ... Science . ... For example, among the Milky Way's dE companions we see systems with dominant old populations, systems with minor intermediate-age (age ~ 2 to 10 Gyr) components, and systems where the intermediate-age component dominates the old stars. ... This variety of star formation histories is not restricted to the Galaxy's companions. ... To make progress in understanding the processes that govern dwarf galaxy evolution, we need to study systems beyond the Local Group. ...

... Content Model: Optional list header (LH), followed by one or more terms (DT) and definitions (DD). A definition list is a list of terms and corresponding definitions. Definition lists are typically formatted with the term on the left with the definition following on the right or on the next line. ... The definition list element can take the COMPACT attribute, which suggests that a compact rendering be used, and is appropriate if the list elements are small and/or the entire list is large. ...

... Us . ... Merging Calls . ... Call Status . ... The Agent will be warned after three hours (Triage) or after six hours (Team Level) of inactivity, and again if still unedited. ... When the User replies, calls move to this status. The Agent will be warned after two days of inactivity, and again every day thereafter. ... Thinks they solved the problem, but want to leave the call open for a bit. ... The Agent will be warned after ten (business) days of inactivity, and again every day thereafter. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . ... See many more Astronomy Listings by: Category or Alphabet . ... Last Update August 22, 2005 . Listed Since August 31, 2001 . ... Novosibirsk, ZZ 630049 . ... Web Site . ... Web . www.astronomy.net . About Astronomy Net | Advertise on Astronomy Net | ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . ...