Optical and UV Spectrophotometric Standard Stars . ... Apache Point expresses its thanks to J. R. Walsh and to ESO for allowing us to place a copy of these pages at Apache Point. ... Access to the standards is either through: . ... The data for the standard stars come from four sources: . ... Data for 23 stars based on IUE and optical spectra and calibrated by the primary WD standards. ... The data from which the plots were produced are also available by ftp access from the standard star pages. ...

The GPS and GPS Common-view are the methods used to refer measurements made using the Parkes observatory clock ("UTC(PKS)") to Universal Coordinated Time (UTC). ... Transfer from UTC(AUS) to UTC is possible via the offsets reported in Circular T. These methods of the clock corrections commenced on the MDJ 50844. ... Currently used scheme is fully integrated into tempo2 , where fairly regularly sampled values of the offset between pairs of clocks are recorded in ASCII text files, one pair per file. ...

... The SAO ( Smithsonian Astrophysical Observatory ) Summer Intern Program is a Research Experiences for Undergraduates (REU) program where students work on astrophysics research with an SAO/Harvard scientist. ... On-line Application Form -- is OPEN for the 2016 SAO Summer Intern Program . ... SAO Summer Intern Program . ... Recent SAO Summer Intern Program Events . ... June 2015 . ... For more information about the SAO Summer Intern Program and other programs/opportunitities that may be of interest: ....

... HST . ... Data . ... HST Overview . Overview . ... Phase I Proposing . ... Therefore, to properly reduce polarimetry data obtained with NICMOS, a new algorithm different from that needed for an ideal polarizer was developed. ... The ``standard theory'' polarimetry reduction algorithm outlined in the original NICMOS Manual assumes that the polarizers have uniform and perfect (100%) polarizing efficiencies, and that the position angles of the primary axis of the polarizers are offset by exactly 120. ...

... Stellar Evolution is driven entirely by the never ending battle between Pressure and Gravity . As imbalances are reached, the star is driven to find a new Energy source. ... Pressure and gravitational forces are equal, the star is stable and its core is sufficiently hot to fuse Hydrogen into Helium More about main sequence stars . ... The luminosity generated by the core fusion of Helium into Carbon is far greater than the shell luminosity associated with the fusion of Hydrogen into Helium. ...

... ESO is building what will be the World's largest optical telescope array, The Very Large Telescope (VLT). The VLT Project organisation is responsible for the design and construction of the Unit Telescopes, including enclosures, optics, adapter-rotators and coating unit. ... Unit Telescopes Overview - This page is outdated, an update is in process. ... Secondary mirror (M2 Unit) - This page is outdated, an update is in process. ... Coating Unit - This page is outdated, an update is in process. ...

Chandra X-Ray Observatory CXC 1. ... E0102: Joint Fits with ACIS S3, MOS1/2 & pn Paul Plucinsky, Joseph DePasquale, & Steve Snowden Paul Plucinsky 1 EPIC Cal April 2007 Chandra X-Ray Observatory 1. ... E0102: Gratuitous Pretty Pictures of E0102 S3 Summed Data ~100 ks CXC RGS Spectrum (Pollock 2006) Objective: develop a spectral model which can be used by RGS, HETG, EPIC & ACIS, etc. ...

Next: Horizon tables Up: Getting started Previous: Standard-star files . The standard ESO observatory table, called esotel.tbl , is stored in the MIDAS directory system at $MID_PEPSYS/esotel.tbl . ... These table files must be installed on your local system before they can be used; there are procedures for creating them in the calib directory. ... This is a short table, so if you need to make up a new one, just copy the ESO table and edit the copy with the EDIT/TABLE command. ...

... Updated 2008 December 22nd . ... Updated 2008 December 18th . ... Updated 2008 December 17th . ... Updated 2008 December 16th . ... Updated 2008 December 15th . ... Updated 2008 December 10th . ... Updated 2008 December 2nd . ... Some Videos on our Web Sites . ... Cool October . ... Updated 2008 October 31st . ... Updated 2008 October 15th . ... Updated 2008 October 10th . ... Updated 2008 October 9th . ... Updated 2008 October 8th . ... Updated 2008 October 7th . ... Updated 2008 October 2nd . ...

. This is the CIMA standard on/off menu: . The following is the on-line help page for standard on/off: . You can return to the main CIMA page by clicking here .

... We present a proposed standard for data dictionaries associated with catalogs being accessed through the Astrophysics Data System (ADS) Mosaic Catalog Service. Each catalog made available for searching must have a data dictionary, which consists of a set of specified keywords describing format, content and location of data. ... There are two keywords in the Table Data Dictionary which indicate to the server software that the corresponding column contains special attributes. ...

The Astronomical Society of Australia has been asked by STANDARDS AUSTRALIA to compile a list of "designated" optical observatories that are valuable resources for (i) research, (ii) education and (iii) community use. The ASA is the final arbiter of whether any particular observatory is so designated. ... Upon receipt of your application form, your observatory will be entered on a list of "Pending Designated Observatories" on the ASA Home Page. ... It will be emailed for you. ... Email . ...

Our group includes both theoreticians and observers working on problems related to many different aspects of star formation. You can learn more about us by following the links provided here below. We will try to keep these pages updated as frequently as possible, however do not hesitate to contact us directly if you encounter problems while browsing or do not find the specific information that you are looking for. Click on the following for more information . Our Group . ...

... Astrophysics Group . ... Optical Interferometry . OIFITS: A Data Exchange Standard for Optical (Visible/IR) Interferometry . ... OIFITS is a standard for exchanging calibrated, time-averaged data from astronomical optical interferometers , based on the FITS Standard (OIFITS is a registered FITS convention ). ... The OIFITS standard is used in the biennial optical interferometry Imaging Beauty Contests: . ... A data exchange standard for optical (visible/IR) interferometry. ...

The AstroGuide . ... AstroGuide | ... AstroGuide Listing . Login . See many more Astronomy Listings by: Category or Alphabet . ... Listed Since July 15, 1998 . ... 2001 Apache Point Road, P.O. Box 59 . ... Web Site . ... However, you must Login to submit a comment. ... Web . www.astronomy.net . ... Unless otherwise specified, web site content Copyright 1994-2016 John Huggins All Rights Reserved . dbHTML," "AstroGuide," "ASTRONOMY.NET" & "VA.NET" . are trademarks of John Huggins ...

EAAS Officers . ... URAN-4 Observatory, . ... Russia ,109017, Moscow , Pyatnitskaya Str , 48 . ... Astronomical Observatory of the Urals State University . ... Sternberg Astronomical Institute, Lomonosov Moscow State University , Russia . ... Astronomical Observatory of Ural State University , Russia . ... Engelhart Astronomical Observatory , Russia . ... Sobolev Institute for Astronomy of SPb State University , Russia . ... Astronomical Observatory of Irkutsk State University , . ...

... 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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