CONTENTS Volume 26 Number 2 (July 1999) . ... F. P. Keenan, M. E. Phillips, S. J. Rose & D. D. Burgess . THE RESONANT LEONID TRAIL FROM 1333 . ... PHASE-RESOLVED OPTICAL EMISSION FROM ISOLATED NEUTRON STARS . ... J. V. Smoker, N. Lehner, F. P. Keenan & E. J. Totten . ... LOSSLESS COMPRESSION OF ASTRONOMICAL IMAGES . ... 1995-1999 Irish Astronomical Journal, Downshay, 12 Heather Lea Avenue, Dore, Sheffield S17 3DJ, S. Yorkshire, United Kingdom WWW Contact: Alastair G Gunn Back to IAJ Home Page ...

... I've included typical values in some cases: int num_gd_trials; /** Number of trial group delays */ int num_bas ; /** Number of baselines measured by FT (up to 9) */ int num_channels = 5; /** Number of spectral channels used for fringe tracking */ int num_output; /** Total number of combiner outputs in use */ int num_win = 5; /** Number of windows (subframes) per camera : TODO : not needed? */ Monitor Data ===== /** * Pixel data at a modulator position from all cameras. ...

... 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. ...

PROGRAM SUMMATION ! Summation forwards and backwards of 1/n^2 IMPLICIT NONE INTEGER :: N, NMAX CHARACTER :: ANSWER REAL :: SUM_SP, TEMP DOUBLE PRECISION :: SUM_DP INTEGER, PARAMETER :: QUAD = SELECTED_REAL_KIND(20,1000) REAL(KIND=QUAD) :: SUM_QUAD SUM_SP = 0.0 SUM_DP = 0.0D0 SUM_QUAD = 0.0_QUAD 1 WRITE(*,'(A)', ADVANCE='NO') 'How many numbers do you wish to add? ... 10) THEN WRITE(*,*) 'Too few numbers!' GO TO 1 ELSE IF (NMAX .GT. 100000000) THEN WRITE(*,*) 'Too many numbers!' ...

... Tables for transformation from sidereal to universal time scale. Explanations. This page contains three little tables headed Hours Minutes Seconds respectively. Each the table have two columns: first of them is input column where time in whole time units of sidereal time is given, and second of them is output column where hours:minutes:seconds of universal time is presented. ... Example: transform 02 h 12 m 22.00 s from sidereal to universal time. ...

... Organisers: Michel Balazard (CNRS, Laboratoire Poncelet) , Xavier Caruso (CNRS, Laboratoire Poncelet) , Michael Tsfasman (CNRS, Laboratoire Poncelet, Institute for Information Transmission Problems) , Alexey Zykin (Laboratoire Poncelet, State University Higher School of Economics) . ... Number theory seminar . ... One of the goals of the semester is to convey the essential unity of the subject, especially to young mathematicians who use number theory in their research. ...

Pulkovo Photographic Plate Database . To find a certain plate, type its number, choose instrument and click button FIND Instrument: Normal Astrograph 26-inch refractor Plate number: . To find plates with a certain sky area: choose instrument, type coordinates (R.A. and Dec.) of the center of this area, type radius of this area, type (optionally) names of required objects, and click button FIND . ...

grdinfo - Get information about the contents of a 2-D grd file grdinfo grdfiles [ -C ] [ -L1 ] [ -L2 ] [ -M ] grdinfo reads a 2-D binary grd file and reports various statistics for the (x,y,z) data in the grdfile. ... L1 Report median and L1 scale of z (L1 scale = 1.4826 * Median Absolute Deviation (MAD)). ... To obtain all the information about the data set in file hawaii_topo.grd, try grdinfo -L1 -L2 -M hawaii_topo.grd gmt , grd2cpt , grd2xyz , grdedit . Man(1) output converted with man2html ...

... Insert date: . Day: . Month: . ... This CGI -script calculates a day of week of the given date, Julian date of Greenwich noon JD and extracts from the database indices of solar activity: Wolf number for the day W , monthly W m and yealy means W y of Wolf number for month and year of the date. The prediction of Wolf number (which was made in 1998 and, hence, lost actuality) is also presented. The database uses solar activity data got from server of National Geophysical Data Center . ...

... Users . ... Here are a few features of the tweets from the JWST appearance at SXSW ( JWST@SXSW ). ... The retweet numbers are close to the values that Twitter has for the tweets, which means that I can't have messed up too much (I wouldn't expect perfect agreement since Twitter does not guarantee that any search will return all matching tweets). The most re-tweeted accounts. ... Number of re-tweets . ... The number of tweets used in this analysis is and the graph accounts for of this total. ...

Astronomy Picture of the Day . The Mileage of Light . ... 28.05.2011 . ... Credit Copyright: Dennis L. Mammana ( TWAN ) Explanation: If you're driving down a dark road on a starry night, you might want to check the odometer. ... Mammana muses that in driving to countless observatories , star parties , and night sky photo shoots it has taken his 1998 vintage sport utility vehicle over 13 years to cover that distance. ... Unusual Light Pillars Over Latvia . Colorful Light Pillars . ...

Preface The necessity of the preparation and edition of such intricate publication, that is the printed version offered to the reader, of geoinformation system including the chronological catalogue and evolutionary database of the global tropical cyclogenesis is dictated, in opinion of the authors, whole number of objective circumstances. ... It derivates the serious dissensions in the initial ('raw') information as well as in databases and archives of regional cyclogenesises. ...

... This year SSAU provides 1429 state-funded places for admission in all kinds and directions of educational programs. ... In addition, SSAU Admission Committee notes the substantial increase in interest from the foreign applicants this year. The number of applications from foreign countries has already surpassed last year's totals - 76 applications. Based on the experience of admission campaigns of previous years, SSAU expects summer 2014 to enrol about 150 foreign students in the university. ...

A descriptor , also commonly called a file handle is an object that a program uses to read or write an open file, or open network socket, or a variety of other devices. ... The operating system enforces a limit on the number of descriptors that a program can have open at a time. ... One is a kernel limitation, depending on your operating system you will either be able to tune the number of descriptors available to higher numbers (this is frequently called FD_SETSIZE ). ...

... Bad Astronomy . ... News . ... In the following article, I used the wrong number to get the circumference of the Earth at the latitude of Cape Canaveral, which ironically is what I accuse Ms. vos Savant of as well! ... At the Equator, the Earth spins at 1000 miles per hour (the Earth is 24,000 miles around, and spins once every 24 hours). ... The math is a wee bit hairy, but not too bad, to calculate the circumference of the Earth at Cape Canaveral assuming the Earth is an ellipse with these numbers...

. Full screen versions . Number - magnitude counts . Number - redshift counts . | Front page | . | << - Redshift wedge | Completeness estimates - >> | . Robert J. Smith, ">rsmith@mso.anu.edu.au Last modified: Fri Sep 24 11:39:02 EST 1999 .

... Classes . ... gTimeSpan Class Reference . ... gTimeSpan (const gTimeSpan &timeSpanSrc) . ... Operation: getDays() This method returns the integer days number stored in the gTimeSpan object. ... Operation: getHours() This method returns the integer hours number stored in the gTimeSpan object. ... Operation: getMinutes() This method returns the integer Minutes number stored in the gTimeSpan object. ... Operation: getSeconds() This method returns the integer seconds number stored in the gTimeSpan...

... Planets . ... The planets were found using the HARPS instrument on the 3.6m telescope at ESOтАЩs La Silla Observatory. ... A planet in orbit around a star causes the star to regularly move towards and away from observers on Earth. ... One newly discovered planet, HD 85512 b, is best hope found so far for a habitable exoplanet. ... The HARPS team so far have found that about 40% of stars similar to own Sun have at least one planet smaller than Saturn (which is 95 times more massive than Earth). ...

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Home About Meade Product Information Dealer Locator Customer Support Investor Relations Dealer Support Employment Opportunities Site Map . Meade Instruments Corporation . ... Meade Pictor XT-Series CCD Autoguider/Imagers . ... Meade model number . ... Connect the camera . ... Screw the guiding or imaging barrel into the front of the Pictor XT. ... You can enter log information by selecting Image, then Information. ... Copyright 2006 Meade Instruments Corporation, All Rights Reserved. ...