... This thread contains a step-by-step recipe to extract MOS spectra of a point-like source observed in Imaging mode and to create associated response matrices, starting from a calibrated, concatenated event list (either produced with emproc or available as PPS product; here it has the assumed file name MOS.fits ). ... The users should note that the SAS metatask xmmselect allows them to interactively define source and background regions (via ds9) and to run backscale on the fly. ...

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• Local-background region shapes and sizes

... To move toward open analysis software, we plan to make the PROS regions subsystem available from processes outside of IRAF. We also plan to make the region descriptor parsing system available for purposes beyond the creation of masks, such as an interface to an image display program, accepting a region descriptor and generating commands to display the region on an image. ... Anticipating two kinds of new requirements, we reconsidered the design of the PROS region descriptor processing subsystem. ...

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• IDL-based Database of Solar Active Regions
• Recreating Einstein Level One Processing Exposure Masks and Background Maps in

Geometric region markers can be placed on the screen interactively or via the XPA "regions" public access point. ... To define a data region (by default, an "Include in Source" region): . ... Move to the desired image location and click the left mouse button. ... Type "Ctrl-e" to change from "include data with region" to "exclude data within region". ... Closed markers (circles, ellipses, etc.) may be resized by clicking and dragging the left mouse button on the region perimeter. ...

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• The Markers Menu
• Regions and Source Parameters
• Macro Expansion in SAOtng

Below are links to the grids of theoretical spectra of non-LTE, line blanketed model atmospheres including stellar winds ( CoStar models for O3-B0 stars ) from Schaerer de Koter (1997, A , 322, 598) [Abstract] , [Postscript] ). ... The following data is available electronically: . ... ftp directory with the individual files All data available for mass FTP at: . ... A large grid of photoionization models for single star HII regions has been calculated using the CoStar fluxes. ...

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• WFPC2 Bright Star Avoidance Regions
• Introduction to Patterns
• HDF-S Flanking Fields Data Reduction / Technical Issues

... International Astronomy Olympiad 2002 . ... The 7th International Astronomy Olympiad will be held on October 22-29, 2002 at the Special Astrophysical Observatory of Russian Academy of Sciences (SAO RAS) in North Caucasus. ... Authorized National Representative Astronomy Organizations (ANRAO) of the participating countries are authorized to form the teams of the Olympiad member-states. ... VII IAO . ... Information about the International Astronomy Olympiad 2003 will be known in the late 2002. ...

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• VI International Astronomy Olympiad: information available before
• VIII International Astronomy Olympiad: information available before
• Venue - CC-2010, CC 2010, 8th Conference on Cryocrystals and Quantum Crystals

... This program was created for correlating chosen regions in the series of fts images. ... Chosen regions' . ... In this section the program counts the integral for each region of the grid for each image. ... As a matter of fact, the integral is total brightness of the region and it is counted by 'int_tabulated' IDL function. ... In addition, the program will show the count of the regions which correlate with the corresponding region (the brighter region means the bigger count) and its contour. ...

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... Sun images . ... Sun flares . ... Active areas . September : 2015 . ... The following regions with sunspots can be now observed on the Sun's surface . Group number . ... Group length (in degrees) . ... Coordinates and other characteristics of active regions are issued for September 09, 2015 00:31 UT The following H-alpha plages without spots can be currently observed on the Sun's surface . ... Coordinates and other characteristics of active regions are issued for September 09, 2015 00:31 UT . ...

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• Sunspots and active regions January 10, 2007
• Sunspots and active regions January 10, 2012
• Sunspots and active regions January 01, 2015

At Arcetri a Radio Astronomy observative and instrumental group is active. ... A catalog of all known maser sources north of -30 degrees is kept updated and is made available to anyone interested. ... The group is involved in the design phase for the Atacama Large Miillimeter Array , a (sub)millimeter interferometer with a large collecting area (about 10000 m2). ... H2O Maser Catalog . ... ADLB Autocorrelation spectrometer . ... Our involvement in the Atacama Large Millimiter Array ( ALMA ) project . ...

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• Question on network interfaces
• The Arcetri Spectral Code - E.Landi and M.Landini (2001)
• Displaying Errors with the JavaScript Console

Next: Reduction Strategies Up: Image Data Concepts Previous: Image Coordinate Systems . ... The task parameter, region , which gives the region-of-interest consists of a combination of subcommands. ... Subsequent image coordinates are relative to the reference pixel, as defined by the header of the map of interest. ... Subsequent image coordinates are given in arcseconds, and are relative to the reference pixel of the map of interest. kms . ...

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• Region of Interest and Pixel Blanking
• region
• casacore: images/Regions/WCLELMask.h Source File

... The orbits as follows are considered: INTERBALL Tail Probe (IB_TAIL) & Auroral Probe (IB_AUR), GEOTAIL (NASA/ISAS), and POLAR (NASA). ... The situation investigation aim is to select the following favourable spatial positions (FSP) : . ... FSP3 : That part of the FSP1 & FSP2 time intervals, which corresponds to the magnetic conjugations of the any couple of the considered spacecraft. ... The polar diagram plot . ... The geocentric distance (GCD) of the 4 spacecraft as a function of the time. ...

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• The simulative geophysical regions cross-sections coordinates
• The magnetosphere models
• Introduction to the situation investigation for IACG/ISTP Campaign # 2.

... Here some data observed on the 6m telescope with IFP installed in the OLD focal reducer are presented. ... Mkn 3: velocity field . ... NGC 5252: [OIII] image . ... NGC 5252 was observed 23 Feb. 1998 in the [OIII]5007 emission line with CCD TK1024 as detector. ... We observed the ionized gas velocity fields of the spiral galaxies with two purpose. ... Restored velocity field of NGC 157 in the reference frame rotating with the pattern speed overlaid on the Ha image of the galaxy . ... NGC 4100 . ...

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• GRB follow-up team

T his page contains synthetic Hertzsprung-Russell Diagrams (HRDs) for a simulated Star Forming Region, assuming different scenarios and timescales for the history of star formation. ... In the paper we only presented the best fits to the HRD of the CMa R1 Star Forming Region. ... Download movie (1.90 MB) . Scenario II: Constant rate of star formation during a time interval delta t . delta t = 0.1 Myr . ... Scenario IV: Linearly decreasing rate of star formation during a time interval delta t . ...

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• GOODS
• OYSTER Lab
• API Help

The following images of the icy surface of Ganymede, the Solar System's largest moon, were made by the Galileo spacecraft during its ongoing mission to explore Jupiter and the Jovian system. ... This image was taken when Galileo was 7,448 kilometers (4,628 miles) away from Ganymede; north is to the top of the picture, and sunlight illuminates the surface from the lower left nearly overhead (77 degrees above the horizon). ... The image was taken June 27 at a range of 7,448 kilometers (4,628 miles). ...

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• APOD: 2002 July 18 - Sunspot Region 30
• APOD: 2013 June 11 - Star Forming Region NGC 3582
• APOD: 2002 August 1 - Sunspots and Solar Active Regions

. 1. Move the cursor to the start of the text block you want to define. 2. Type M-space (the META character followed by a space). This sets a 'mark' at the start of the 'region'. 3. Move the cursor to the end of the text block you want to define as the 'region'. This sets the 'point' at the end of the 'region'. You do not have to type anything to set this 'point', the 'point' is the location of the cursor.

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• Moving a block of text

... Now rotating behind the Sun's visible edge, these groups followed close on the heels of another enormous sunspot group which appeared in mid July. ... While individual sunspots are not numbered or cataloged, groups of sunspots, designated solar active regions, are given consecutive numbers as they appear on the visible solar disk . ... Publications with keywords: Sun - sunspot - active region . Publications with words: Sun - sunspot - active region . ... An X Class Flare Region on the Sun . ...

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• Journal "Peremennye Zvezdy"
• XWare > APOD

slitless -- Extract a spectrum from a direct/GRISM image pair slitless image grism output PARAMETERS . ... A two dimensional direct image to be used to select an object. grism . A two dimensional GRISM image containing slitless spectra of objects present in the direct image. output . ... Toggle whether or not a background estimate is subtracted from the extracted object spectrum. mingood = INDEF . Pixels of the grism image with values smaller than this are ignored. maxgood = INDEF . ...

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• ASNCOMBINE (Nov98) --- nictools --- ASNCOMBINE (Nov98)
• ST-ECF Grism Spectrum Software for NICMOS Grism Data
• ESO/GOODS-CDFS spectroscopy master catalogue

... 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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• Visitors Tourists -- The AO Optical Laboratory
• HIDEEP and HIJASS Results
• Arecibo Observatory L-Wide Band Receiver

... 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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• HII regions H109-line catalog
• Emission-line galaxies
• Results of follow-up spectroscopy

... AstroImageJ (AIJ) .. ... Reads and writes FITS images with standard headers . ... Provides a time and coordinate converter tool with capability to update/enhance FITS header content (AIRMASS, BJD, etc.) ... Creates color images and with native ImageJ processing power . ... AstroImageJ_Updater . Update operation now updates AIJ version number in Info.plist CFBundleVersion and CFBundleShortVersionString (MacOSX only) . ... AstroImageJ is ImageJ with astronomy plugins and macros installed. ...

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• API Help (ImageJ API)
• ShapeRoi (ImageJ API)
• Wispi Design Notes

OFFICIAL PRESS RELEASE . ... the International Space Station . The Russian Soyuz TMA-4 manned transport spacecraft docked to the International Space Station (ISS) Orbital Complex. ... P. Semenov, Technical Director of Russian Manned Space Programs, General Designer of S.P. Korolev RSC Energia, Academician of the Russian Academy of Sciences), as well as representatives of the Russian enterprises and organizations participating in the implementation of the ISS program. ...

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• INTERNATIONAL SPACE STATION
• PRESS RELEASE - S.P. KOROLEV ROCKET & SPACE CORPORATION ENERGIA