... Tonight's Sky . ... The Magazine . ... Star Atlas . ... An artificial comet holds secrets to Earths life . ... Astronomy for Kids . ... Observing springtime deep-sky objects with a large telescope . ... The planet has extreme temperature swings and perhaps active lava flows. ... A digital supplement to Astronomy magazine. ... Join TravelQuest International with Astronomy and Discover magazines on one of three great tour options surrounding this celestial spectacle . ... Astronomy Magazine . ...

Next: Analysis Tools for Nebular Emission Lines . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... The direct image is used to locate objects of interest, to find the position of the appropriate spectra in the grism image, to determine the optimal extraction technique to use, and to calibrate the wavelength range of the extracted spectra. ... Figure 1: The NICMOSlook User Interface . ...

grdlandmask - Create "wet-dry" mask grdfile from shoreline data base. grdlandmask -G mask _ grd _ file ] -I xinc [ m|c ][/ yinc [ m|c ]] -R west / east / south / north [ r ] [ -A min _ area [/ min _ level / max _ level ] ] [ -D resolution ] [ -F ] [ -N maskvalues [ o ] ] [ -V ] grdlandmask reads the selected shoreline database and uses that information to decide which nodes in the specified grid are over land or over water. ... The resolution drops off by ~80% between data sets. Default is l ]. ...

... HST Phase II Proposal Instructions for Cycle 20 > Chapter 3: Fixed and Generic Targets > 3.12 Generic Targets List [Generic_Targets] . ... For parallel exposures, both pure-parallel and coordinated-parallel (see Chapter 6: Parallel Science Exposures on page 103 ), the pointing is determined by the primary observation, and the specification of a generic target for the parallel exposure denotes a region within which the parallel aperture is expected to point. ... Region Generic Targets . ...

... The IRAF environment provides three coordinates systems: . physical: image pixel coordinates used in the reference (original) image. logical: image pixel coordinates, relative to the current section and size of the image. ... 22:13:53.7 44:28:53.9 - the usual representation of RA, Dec . ... Logical, physical and world coordinate systems are all supported in the PROS software, and regions can be specified with any combination of them. ... c 22:13:53.7 44:28:53.9 8 . ... physical: 6930 9390 240 . ...

Next: Imaging Polarimetry with NICMOS Up: NICMOS Data Calibration and Previous: The Photometric Performance of . ... NICMOSlook and Calnic C . ... Extracting spectra from a large number of NICMOS grism images requires a convenient interactive tool which allows a user to manipulate direct/grism image pairs. ... NICMOSlook and Calnic-C are two programs that were designed to take advantage of the fact that the NICMOS grism mode typically consists of taking both a direct and a grism image. ...

... Contains properties describing the display screen and colors. ... JavaScript 1.2 The JavaScript runtime engine creates the screen object for you. ... Specifies the height of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on Windows. availLeft . ... Specifies the width of the screen, in pixels, minus permanent or semipermanent user interface features displayed by the operating system, such as the Taskbar on...

... 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) . ... ATCA | ... Australia Telescope 20GHz Survey . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... java.lang.Object ij.macro.Interpreter . ... This is the recursive descent parser/interpreter for the ImageJ macro language. ... Interprets the specified string. public java.lang.String run (java.lang.String macro, java.lang.String arg) . ... Interprets the specified tokenized macro file starting at location 0. public void run (int location) . Runs an existing macro starting at the specified program counter location. public void runMacro ( Program pgm, int macroLoc, java.lang.String macroName) . ...

The sections <Directory> , <Location> and <Files> can contain directives which only apply to specified directories, URLs or files respectively. Also htaccess files can be used inside a directory to apply directives to that directory. ... The order of merging is: . ... If multiple <Directory> sections apply to the same directory they are processed in the configuration file order. ... Using the options in question is only possible inside a <Directory> section (or a .htaccess file). ...

... Apache HTTP Server Version 2.2 . ... On systems with multiple users, each user can be permitted to have a web site in their home directory using the UserDir directive. Visitors to a URL http://example.com/~username/ will get content out of the home directory of the user " username ", out of the subdirectory specified by the UserDir directive. Per-user web directories . ... the URL http://example.com/~rbowen/file.html will be translated to the file path /home/rbowen/public_html/file.html . ...

Mare Orientale . ... Credit Copyright: NASA / GSFC / Arizona State Univ. Lunar Reconnaissance Orbiter Explanation: Shaped like a target ring bull's-eye, the Mare Orientale is one of the most striking large scale lunar features. ... Still, this mosaic of the multi-ring impact basin , the youngest of the large lunar basins shows off intriguing details ( full resolution mosaic ), based on Wide Angle Camera images from the Lunar Reconnaissance Orbiter. ... A service of: LHEA at NASA / GSFC . ...

usRpTM n200 / n210 netwoRked seRies featuRes: · · · · · · · · Use with GNU Radio , LabVIEWTM and SimulinkTM Modular Architecture: DC-6 GHz Dual 100 MS/s, 14-bit ADC Dual 400 MS/s, 16-bit DAC DDC/DUC with 25 mHz Resolution Up to 50 MS/s Gigabit Ethernet Streaming Fully-Coherent MIMO Capability Gigabit Ethernet Interface to Host · · · · · · · 2 Gbps Expansion Interface Spar tan 3A-DSP 1800 FPGA ( N200 ) Spar tan 3A-DSP 3400 FPGA ( ... The USRP Hardware Driver suppor ts Linux, Mac OSX, Windows. ...

... Instrument Status . Science Verification . ... CRIRES . ... SV observer shall submit their proposals using the Science Verification proposal template Proposers are asked to provide at least a short summary of the science goal, coordinates and magnitudes of GS and science target, a finding chart , the observing wavelength ID, as specified in appendix A of the UM and DIT, NDIT settings of science detectors as computed with the exposure time calculator (see below). ... with a 0.2 arcsec slit. ...

... SphereParams Struct Reference . ... SphereParams (const float radius) . ... Definition at line 50 of file StelGeometryBuilder.hpp . ... Definition at line 103 of file StelGeometryBuilder.hpp . ... Definition at line 120 of file StelGeometryBuilder.hpp . ... Definition at line 112 of file StelGeometryBuilder.hpp . ... Definition at line 118 of file StelGeometryBuilder.hpp . ... Definition at line 110 of file StelGeometryBuilder.hpp . ... Definition at line 114 of file StelGeometryBuilder.hpp . ...

... Subject and Problems of Stellar Astronomy. ... Plane of Galaxy, Methods of Its Location Determination. ... Stars Distances. ... Other Methods of Stars Distances Determination. ... Tangential Velocities, Their Determination by Self-Motions. ... Determination of Solar Apex and Spatial Velocity by Radial and Spatial Velocities of Stars. ... Features of Orientation and Parameters of Peculiar Stellar Velocities Ellipsoid. ... General and Selective Light Absorption in Galaxy. ... Darc Clouds in Galaxy. ...

Subatomic resolution on Cu(014)-O . 3nm x 3nm STM image of the Cu(014)-O 0.5ML surface measured with MnNi tip. ... This result has been discussed in Phys. Rev. Letters, 98, 206101 (2007) (A.N.Chaika, V.N.Semenov, S.S.Nazin, S.I.Bozhko, S. Murphy, K. Radican, I.V.Shvets, "Atomic Row Doubling in the STM Images of Cu(014)-O Obtained with MnNi Tips"). Image courtesy of A.Chaika. The image was measured in constant current mode using RT STM GPI-300. Copyright ISSP RAS, LSSS, 2006-2007 . ...

... High-resolution Near-infrared Study of the Deeply Embedded Young Stellar Object S140 IRS 3 . ... P22P We explore the structures immediately surrounding the high-mass young stellar object S140 IRS 3 within the L1204 molecular cloud. ... The S-shaped structure of this feature can be well reproduced by a model assuming a precessing outflow from IRS 3a. Furthermore, we find several elongated features pointing away from IRS 3 in a southern direction. ...

... Meta Index / Home Page / Description / File-based filters mask(x.msk, x0 , y0 , x , y ) is true if the value of the mask image shifted by in the data set x.msk at the location is not equal to zero. If the specified mask image contains the World-Coordinate-System (WCS) attributes CRPIX x , CRVAL x , CDELT x with x being either 1 or 2, image coordinate values are computed from the respective integer pixel numbers as . ... This effectively defines the pixel size in the mask image as . ...

... Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. 2011 March 12 . Mare Orientale . Credit: NASA / GSFC / Arizona State Univ. Lunar Reconnaissance Orbiter . Explanation: Shaped like a target ring bull's-eye, the Mare Orientale is one of the most striking large scale lunar features. ... About APOD | ... A service of: ASD at NASA / GSFC . ...