... The fundamental internal FOS time interval is an FOS clock tick of 7.8125 ?sec duration, which is equal to 8 ticks of the HST 1.024 MHz clock. ... The engineering telemetry did record the so-called LINESTART time; that is, the precise time when the SDF told the FOS to commence sending data from the FOS memory to the SDF. ... FOS engineering telemetry, available only at STScI, provides all timing information at accuracy of FOS clock (7.8125 ?sec). ...

... Description . Catalog . ... In the Catalog, we publish equatorial (ЮБ 2000 , ЮД 2000 ) and galactic (l,b) coordinates of cluster centers derived as the position of overdensity in 2MASS catalog (Koposov et al. ... Distances, color-excesses and ages are the mean-square values calculated using all available evaluations from different color-magnitude diagrams. ... There are individual pages for every cluster where all available plots and parameters are published. ... 2002). ...

Status of the RadioAstron project development . The engineering model of the Space Radio Telescope (SRT) was assembled in Lavochkin Association (LA) in the configuration consisting of 10-m parabolic radio astronomical antenna made of carbon-fiber, F ocal and Device cabins of the scientific payload and on-board and ground complex of high data rate up-down radio link (VIRK). ... Then,radio astronomical tests were conducted using real radio sources. ... Space Radio Telescope . ... Data Processing . ...

... For this one needs additionally to associate a weight with each attitude sample. ... time => real64Data(addColumn(binnedAttTab, 'TSTART', REAL64, 's')) raDeg => real64Data(addColumn(binnedAttTab, 'RA', REAL64, 'deg')) decDeg => real64Data(addColumn(binnedAttTab, 'DEC', REAL64, 'deg')) paDeg => real64Data(addColumn(binnedAttTab, 'PA', REAL64, 'deg')) isGood => boolData( addColumn(binnedAttTab, 'IS_GOOD', BOOLEAN)) weights => real64Data(addColumn(binnedAttTab, 'WEIGHTS', REAL64)) . ...

The database contains references to the papers, data files and links to the Internet resources related to measurements and calculations of the optical constants in the wavelength interval from X-rays to radio domain. ... References to some useful books and reviews on the subject (e.g. the classical handbooks edited by E.D.Palik) and links to Internet collections of optical constants and personal WWW pages with related software were also placed in the database. You have arrived at our welcome page. ...

... SFIT is a general-purpose code designed to optimize theoretical stellar spectra to an observed spectrum. ... While the programme expects input from "stdio", it is more natural to save commands in a file (eg "sfit_input") and run the code simply by . ... If the spectra to be fitted have a filename "star_spectrum", then the best fit spectrum will be written out, together with the renormalized input spectrum, to a file called "star_spectrum.fit". ... sets up model spectrum grid (and for 2nd star) . ...

... ATNF Home . ... About ATNF overview . ... Australia Telescope Steering Committee . ... Australia Telescope User Committee . ... Astrophysics graduate student programs . ... Australian Square Kilometre Array Pathfinder . Murchison Radio-astronomy Observatory . ... Parkes radio telescope . Australia Telescope Compact Array . Mopra radio telescope . ... VLBI . ... Visiting Parkes radio telescope . Visiting Australia Telescope Compact Array . ... Parkes radio telescope webcam . ...

... Exposure Time Calculator (ETC) . ... ESO - Public Surveys . ... the recommended values to use for DIT, . ... Detector on-chip integration (DIT): seconds. to your chosen value - a separate page gives recommended values to use for DIT - for modes 1 and 2 below you may wish to start with the maximum recommended values as these will minimize the effect of read noise (a total object exposure of Y secs with DIT=X secs will produce Y/X lots of read noise) and give you a lower limit on the time needed. ...

Orbital data : INTERBALL AZ GSE and GSM cartesian coordinates, GSE cartesian velocity (once per 10 minutes). ... Magnetic field data from IMAP experiment. Magnetic fileld absolute value and magnetic field index (the difference between absolute value and model value), status flag. ... Counts of H+ and O+ ions are accumulated during one spin period by detectors D6 (antisunward looking), D8 (spin plane), D10 (sunward looking) of TRICS2 subsystem (1.0-30 keV). ... TRICS1, TRICS2, TRICS3 subsystems: . ...

... Archives . ... Clauset, Shalizi, & Newman (2007, arXiv/0706.1062 ) have a very detailed description of what power-law distributions are, how to recognize them, how to fit them, etc. ... Though it may not be a complete answer, I wanted to say that I learned applying the K-S test for the first time to test a homogeneous Poisson process from a spatial statistics class in a similar manner as this paper describes. ... Raoul LePage on From Terence?s stuff: You want proof? . ... Chandra Blog . ...

... This is possible at modest cost due to the low moments of inertia of the telescope and enclosure. ... This same performance will be achieved in higher winds when the telescope enclosure is facing away from the wind, or by using wind screens. ... The telescope system (MILT) will be remotely operable with an on-site operator's assistance by an astronomer located at one of the ARC member institutions. ... Mean Wind Speed . ... Offsets > 10 deg: 1 arc sec rms max . ... 5 sec max, tracking to tracking . ...

Modules | ... Apache HTTP Server Version 2.2 . Apache > HTTP Server > Documentation > Version 2.2 > Modules . ... Description: . User authentication using MD5 Digest Authentication. Status: . Extension . ... This module implements HTTP Digest Authentication ( RFC2617 ), and provides a more secure alternative to mod_auth_basic . ... Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Freenode, or sent to our mailing lists . ...

National Aeronautics and Space Administration . ... JOHN E. BLAHA (COLONEL, USAF, RET.) NASA ASTRONAUT (FORMER) . ... EDUCATION: Graduated from Granby High School in Norfolk, Virginia, in 1960; received a bachelor of science in engineering science from the United States Air Force Academy in 1965 and a master of science in astronautical engineering from Purdue University in 1966. ... NASA EXPERIENCE: Selected as an astronaut in May 1980, Blaha has logged 161 days in space on 5 space missions. ...

MRO Delay Line ICD Metrology System to Beam Relay System ICD INT-406-VEN-0013 The Cambridge Delay Line Team rev 0.1 10 August 2007 Cavendish Laboratory JJ Thomson Avenue Cambridge CB3 0HE UK 1 ICD Description Org UoC Owner MF Brief description and preliminary contents Defines space envelope for beam relay pipes above metrology table. One drawing defining beam relay pipe position. ... The full space envelope available for each beam relay pipe is detailed in the diagrams presented in the appendix. ...

... The file names' construction . The flight (m) stage's file set . ... the orbital data used for the flight operation monthly (m) long-term planning, . ... The orbital calculations are based on the initial orbital data determined by KIAM RAN using the orbital radio- measurement treatment. The determined initial orbital data are presented as a state vector (satellite position and velocity) in the J2000 reference. ... Accept the file with extension '.bgr', where the Moscow time (MT=UT+3h) is used. ...

asncombine -- Process and combine images in one or two NICMOS associations asncombine association . ... set to yes to include error planes in co-added images error. background . ... This is useful to use different background subtractions for different images. fheader . set to yes in order to multiply the background by the value of keyword "factor" in the image header. ... Set to yes to use quadrants statistics save in the image header from previous runs of asncombine. regquad1 . ...

... The second step is to inspect the data, to define a set of criteria to select the science frames and their associated calibration frames, and to use the MIDAS Data Organizer to do the selection and to create the Association Table. ... Table: Example of an Association Table . ... For example, one can require that in the calibration process of frame susi0099.bdf the master bias susi_124_125.bdf is to be used, i.e. the bias frames associated with the science frames susi0097.bdf and susi0098.bdf . ...

... Observing . ... Solar Observing . ... April 3 (SUN) - Solar Observing, Central Park , Manhattan . ... APRIL'S SKY . ... Lecture Series at the American Museum of Natural History The Amateur Astronomers Association is proud to present an astronomy lecture series from October through May each year for our members and the .. ... The€аAmateur Astronomers Association of New York€аwas organized in 1927 to promote the study of Astronomy, emphasizing its cultural and inspirational value. ...

This diagram illustrates a frame-like layout with 'position: fixed'. The illustration shows a four-panel frameset. The top panel ("header") covers the entire width of the frameset and takes up 15% of the vertical space. ... To the right of the sidebar and below the header is the "main" area, whose dimensions are computed based on remaining available space. Finally, at the bottom, the "footer" area is 100px high and covers the entire width of the frameset. ...

The VLTI Calibrator Selector Tool is a tool intended to assist in the selection of suitable interferometric calibrators for VLTI observations with MIDI and AMBER. It uses a model of the VLTI and its instruments to assess the fringe visibility, given the observed bandpass, the geometry, spectrum, and coordinates of the target and the time at which the observations are to be made. ... The tool offers an HTML/Java based interface and consists of two pages. ... The quality flag depends on LDD_chi2. ...