#Idl driver#
#Idl full#

Specify distance between tic marks for astronomical coordinatesД¬reate labels for astronomical coordinate tick marksД¬ompute the optimum distance between tic marks for astronomical labelingДetermine optimum position of the first tic in astronomical labeling Like TEN but will work on a vector of sexigesimal numbers. Relativistic clock corrections due to Earth motion in solar system Returns precession matrix from equinox 1 to equinox 2Д¬reate overlay grid using COBE quad cube database coordinatesДЇormat RA, Dec as Hours,Min,Sec,Deg,Min,SecД¬alculate separation and position angle of a binary star given its orbital elementsДЇind angular distance on a sphere (in /jhuapl)Д¬ompute the RA and Dec of the Sun at a given date Precess equatorial geocentric rectangular coordinates Returns low-precision coordinates of the planetsД¬ompute the position angle between sources of specified RA and Dec Returns a blackbody flux for a given effective temperature Return longitude, latitude, altitude & time zones of an observatory Return luminosity distance for a given redshift & cosmological modelД¬onvert from geomagnetic to geographic coordinatesД¬onvert a month name to the equivalent number or vice-versaД¬ompute the RA and Dec (and distance) of the Moon at a given dateД¬ompute illuminated fraction of the Moon's disk for given Julian datesД¬ompute the nutation in longitude and latitude for given Julian date(s) Precess positions & proper motions from B1950 to J2000Д¬onvert from calendar date to reduced Julian date.Д¬reate a 1-d convolution kernel to broaden a spectrum from a rotating star Interpolate position and motion of planetary bodies (JPL Ephemeris) Open and read JPL DE200 or DE405 Ephemeride FITS File Return values for a multi-component power law initial mass functionД¬ompute EUV optical depth due to photoionization of HI, HeI and HeIIД¬onvert from calendar date to Julian date. Get the current Julian date as a double precision scalarД¬onvert between Galactic (or SuperGalactic) and equatorial coordinatesД¬onvert between Galactic (or SuperGalactic) and equatorial proper motionД¬onvert Hour Angle and Declination to Horizon (alt-az) coordinatesД¬ompute (low-precision) heliocentric coordinates of the planetsД¬onvert geocentric (reduced) Julian date to heliocentric Julian dateД¬ompute radial velocity given binary star orbit parametersД¬onvert from horizon (altitude-azimuth) coordinates to equatorial (RA-Dec)Д¬ontour plots with astronomical labeling (either RA,Dec or Get the current date in CCYY-MM-DD format (FITS standard) Read in angular input in decimal or sexigesimal format

#Idl full#

(2000) parameterization.Дeredden a spectrum using the Cardelli, Clayton and Mathis (1989)Д¬alculate change in RA and Dec due to aberrationД¬alculate changes in RA and Dec due to nutation of the Earth's rotationД¬alculate correction to altitude due to atmospheric refractionДerive a full set of cosmological parameters given a subsetД¬onvert from civil time to local sidereal timeД¬onvert day of year to a DY-MON-CCYY string (FITS standard)ДЇunction to perform various date format conversionsД¬onvert from Julian Date to calendar date.Дeredden Stromgren indices (called by UVBYBETA)Д¬onvert Earth-centered inertial coordinates to geographic coordinatesД¬onvert from equatorial (RA-Dec) to horizon (alt-azimuth) coordinatesД¬onvert longitude,latitude to X,Y using polar equal-area projectionД¬reate overlay grid using polar equal-area projectionДЄstronomical coordinate system conversionsДeredden a spectrum using the Fitzpatrick & Massa (1998)Д¬orrect a galaxy image for inclination effects.Д¬alculate the Galactic space velocity (U,V,W) of a starДerive a galaxy age as a function of redshift for a cosmological modelД¬onvert geographic coordinates to Earth-centered inertial coordinatesД¬onvert from geographic to geodetic coordinatesД¬onvert from geographic to geomagnetic coordinatesД¬onvert from geodetic to geographic coordinates Precess coordinates, proper motion from J2000 to B1950Дeredden a galaxy spectrum using the Calzetti et al. Or coordinate conversions (calls EULER and PRECESS).Д¬ompute components of barycentric Earth velocity, given Julian date

#Idl driver#

Interactive driver to compute astronomical precession, Given a FITS header, display a 'weathervane' showing N-E orientationДisplay formatter for pixel + astronomical coordinates Miscellaneous (Non-Astronomy) Procedures Astronomical UtilitiesД¬onvert air wavelengths to vacuum wavelengthsД¬onvert longitude,latitude to X,Y using Aitoff equal-area projectionД¬reate an overlay grid using the AITOFF projectionД¬onvert Horizon (Alt-Az) coordinates to Hour Angle and DeclinationДraw an arcbar over an image showing the astronomical plate scale.FITS Header Astrometry and World Coordinate System (WCS).