Code covered by the BSD License
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anmp (a)
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ciobas (tjd, racio, k)
this function returns the orthonormal basis vectors, with
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cioloc (tjd)
this function returns the location of the celestial
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eect2000 (date1, date2)
equation of the equinoxes complementary terms, consistent with
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eqxra (tjd, k)
this function computes the intermediate right ascension
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erot (date1, date2)
this function returns the value of the earth rotation angle
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etilt (tjd)
this function computes quantities related to the orientation
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frame (pos1, k)
this function transforms a vector from the dynamical reference
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funarg (t)
this function computes fundamental arguments (mean elements)
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gdate (jdate)
convert Julian date to Gregorian (calendar) date
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getdt
this entry returns the current value of delta-t
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getmod
this function returns the 'mode' value, which
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jd2str(jdate)
convert Julian date to string equivalent
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julian (month, day, year)
Julian date
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nod (t)
this function returns the values for nutation in longitude and
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novas_times (tdbjd)
this function computes the terrestrial time (tt) julian date
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nut2000a (date1, date2)
nutation based on iau 2000a theory
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nut2000k (date1, date2)
nutation based on the iau 2000k theory
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nutate (tjd, pos1)
this function nutates equatorial rectangular coordinates from
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obliq(t)
function to compute mean obliquity of the ecliptic in arcseconds
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preces (tjd1, pos1, tjd2)
this function precesses equatorial rectangular coordinates from
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setdt (delt)
this function allows for the specification of the delta-t value
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setmod (mode)
this function allows the user to specify the 'mode' value,
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sidtim (tjdh, tjdl, k)
this function computes the greenwich sidereal time
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times_novas (tdbjd)
this function computes the terrestrial time (tt) julian date
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demo_sidtim.m
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View all files
A MATLAB Script for Calculating Greenwich Sidereal Time with NOVAS
by David Eagle
16 Jan 2013
MATLAB script named demo_sidtim.m and support functions for computing Greenwich sidereal time.
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| File Information |
| Description |
MATLAB script and support functions that can be used to compute mean or apparent Greenwich sidereal time using MATLAB versions of the NOVAS software suite. Implements four possible computation modes (CIO and equinox-based; low and high accuracy). The script is "hard-wired" with an example from NOVAS. |
| MATLAB release |
MATLAB 7.12 (R2011a)
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