3 SUBPROGRAM SPECIFICATIONS
SLA_ADDET—Add E-terms of Aberration
SLA_AFIN—Sexagesimal character string to angle
SLA_AIRMAS—Air Mass
SLA_ALTAZ—Velocities etc. for Altazimuth Mount
SLA_AMP—Apparent to Mean
SLA_AMPQK—Quick Apparent to Mean
SLA_AOP—Apparent to Observed
SLA_AOPPA—Appt-to-Obs Parameters
SLA_AOPPAT—Update Appt-to-Obs Parameters
SLA_AOPQK—Quick Appt-to-Observed
SLA_ATMDSP—Atmospheric Dispersion
SLA_AV2M—Rotation Matrix from Axial Vector
SLA_BEAR—Direction Between Points on a Sphere
SLA_CAF2R—Deg,Arcmin,Arcsec to Radians
SLA_CALDJ—Calendar Date to MJD
SLA_CALYD—Calendar to Year, Day
SLA_CC2S—Cartesian to Spherical
SLA_CC62S—Cartesian 6-Vector to Spherical
SLA_CD2TF—Days to Hour,Min,Sec
SLA_CLDJ—Calendar to MJD
SLA_CLYD—Calendar to Year, Day
SLA_COMBN—Next Combination
SLA_CR2AF—Radians to Deg,Arcmin,Arcsec
SLA_CR2TF—Radians to Hour,Min,Sec
SLA_CS2C—Spherical to Cartesian
SLA_CS2C6—Spherical Pos/Vel to Cartesian
SLA_CTF2D—Hour,Min,Sec to Days
SLA_CTF2R—Hour,Min,Sec to Radians
SLA_DAF2R—Deg,Arcmin,Arcsec to Radians
SLA_DAFIN—Sexagesimal character string to angle
SLA_DAT—TAIUTC
SLA_DAV2M—Rotation Matrix from Axial Vector
SLA_DBEAR—Direction Between Points on a Sphere
SLA_DBJIN—Decode String to B/J Epoch (DP)
SLA_DC62S—Cartesian 6-Vector to Spherical
SLA_DCC2S—Cartesian to Spherical
SLA_DCMPF—Interpret Linear Fit
SLA_DCS2C—Spherical to Cartesian
SLA_DD2TF—Days to Hour,Min,Sec
SLA_DE2H—
to Az,El
SLA_DEULER—Euler Angles to Rotation Matrix
SLA_DFLTIN—Decode a Double Precision Number
SLA_DH2E—Az,El to
SLA_DIMXV—Apply 3D Reverse Rotation
SLA_DJCAL—MJD to Gregorian for Output
SLA_DJCL—MJD to Year,Month,Day,Frac
SLA_DM2AV—Rotation Matrix to Axial Vector
SLA_DMAT—Solve Simultaneous Equations
SLA_DMOON—Approx Moon Pos/Vel
SLA_DMXM—Multiply
Matrices
SLA_DMXV—Apply 3D Rotation
SLA_DPAV—Position-Angle Between Two Directions
SLA_DR2AF—Radians to Deg,Min,Sec,Frac
SLA_DR2TF—Radians to Hour,Min,Sec,Frac
SLA_DRANGE—Put Angle into Range
SLA_DRANRM—Put Angle into Range
SLA_DS2C6—Spherical Pos/Vel to Cartesian
SLA_DS2TP—Spherical to Tangent Plane
SLA_DSEP—Angle Between 2 Points on Sphere
SLA_DSEPV—Angle Between 2 Vectors
SLA_DT—Approximate ET minus UT
SLA_DTF2D—Hour,Min,Sec to Days
SLA_DTF2R—Hour,Min,Sec to Radians
SLA_DTP2S—Tangent Plane to Spherical
SLA_DTP2V—Tangent Plane to Direction Cosines
SLA_DTPS2C—Plate centre from
and
SLA_DTPV2C—Plate centre from
and
SLA_DTT—TT minus UTC
SLA_DV2TP—Direction Cosines to Tangent Plane
SLA_DVDV—Scalar Product
SLA_DVN—Normalize Vector
SLA_DVXV—Vector Product
SLA_E2H—
to Az,El
SLA_EARTH—Approx Earth Pos/Vel
SLA_ECLEQ—Ecliptic to Equatorial
SLA_ECMAT—Form
Matrix
SLA_ECOR—RV & Time Corrns to Sun
SLA_EG50—B1950
to Galactic
SLA_EL2UE—Conventional to Universal Elements
SLA_EPB—MJD to Besselian Epoch
SLA_EPB2D—Besselian Epoch to MJD
SLA_EPCO—Convert Epoch to B or J
SLA_EPJ—MJD to Julian Epoch
SLA_EPJ2D—Julian Epoch to MJD
SLA_EPV—Earth Position & Velocity (high accuracy)
SLA_EQECL—J2000
to Ecliptic
SLA_EQEQX—Equation of the Equinoxes
SLA_EQGAL—J2000
to Galactic
SLA_ETRMS—E-terms of Aberration
SLA_EULER—Rotation Matrix from Euler Angles
SLA_EVP—Earth Position & Velocity
SLA_FITXY—Fit Linear Model to Two
Sets
SLA_FK425—FK4 to FK5
SLA_FK45Z—FK4 to FK5, no P.M. or Parallax
SLA_FK524—FK5 to FK4
SLA_FK52H—FK5 to Hipparcos
SLA_FK54Z—FK5 to FK4, no P.M. or Parallax
SLA_FK5HZ—FK5 to Hipparcos, no P.M.
SLA_FLOTIN—Decode a Real Number
SLA_GALEQ—Galactic to J2000
SLA_GALSUP—Galactic to Supergalactic
SLA_GE50—Galactic to B1950
SLA_GEOC—Geodetic to Geocentric
SLA_GMST—UT to GMST
SLA_GMSTA—UT to GMST (extra precision)
SLA_GRESID—Gaussian Residual
SLA_H2E—Az,El to
SLA_H2FK5—Hipparcos to FK5
SLA_HFK5Z—Hipparcos to FK5, no P.M.
SLA_IMXV—Apply 3D Reverse Rotation
SLA_INTIN—Decode an Integer Number
SLA_INVF—Invert Linear Model
SLA_KBJ—Select Epoch Prefix
SLA_M2AV—Rotation Matrix to Axial Vector
SLA_MAP—Mean to Apparent
SLA_MAPPA—Mean to Apparent Parameters
SLA_MAPQK—Quick Mean to Apparent
SLA_MAPQKZ—Quick Mean-Appt, no PM etc.
SLA_MOON—Approx Moon Pos/Vel
SLA_MXM—Multiply
Matrices
SLA_MXV—Apply 3D Rotation
SLA_NUT—Nutation Matrix
SLA_NUTC—Nutation Components
SLA_NUTC80—Nutation Components, IAU 1980
SLA_OAP—Observed to Apparent
SLA_OAPQK—Quick Observed to Apparent
SLA_OBS—Observatory Parameters
SLA_PA—
to Parallactic Angle
SLA_PAV—Position-Angle Between Two Directions
SLA_PCD—Apply Radial Distortion
SLA_PDA2H—H.A. for a Given Azimuth
SLA_PDQ2H—H.A. for a Given P.A.
SLA_PERMUT—Next Permutation
SLA_PERTEL—Perturbed Orbital Elements
SLA_PERTUE—Perturbed Universal Elements
SLA_PLANEL—Planet Position from Elements
SLA_PLANET—Planetary Ephemerides
SLA_PLANTE— of
Planet from Elements
SLA_PLANTU— from
Universal Elements
SLA_PM—Proper Motion
SLA_POLMO—Polar Motion
SLA_PREBN—Precession Matrix (FK4)
SLA_PREC—Precession Matrix (FK5)
SLA_PRECES—Precession
SLA_PRECL—Precession Matrix (latest)
SLA_PRENUT—Precession-Nutation Matrix
SLA_PV2EL—Orbital Elements from Position/Velocity
SLA_PV2UE—Position/Velocity to Universal Elements
SLA_PVOBS—Observatory Position & Velocity
SLA_PXY—Apply Linear Model
SLA_RANDOM—Random Number
SLA_RANGE—Put Angle into Range
SLA_RANORM—Put Angle into Range
SLA_RCC—Barycentric Coordinate Time
SLA_RDPLAN—Apparent
of Planet
SLA_REFCO—Refraction Constants
SLA_REFCOQ—Refraction Constants (fast)
SLA_REFRO—Refraction
SLA_REFV—Apply Refraction to Vector
SLA_REFZ—Apply Refraction to ZD
SLA_RVEROT—RV Corrn to Earth Centre
SLA_RVGALC—RV Corrn to Galactic Centre
SLA_RVLG—RV Corrn to Local Group
SLA_RVLSRD—RV Corrn to Dynamical LSR
SLA_RVLSRK—RV Corrn to Kinematical LSR
SLA_S2TP—Spherical to Tangent Plane
SLA_SEP—Angle Between 2 Points on Sphere
SLA_SEPV—Angle Between 2 Vectors
SLA_SMAT—Solve Simultaneous Equations
SLA_SUBET—Remove E-terms
SLA_SUPGAL—Supergalactic to Galactic
SLA_SVD—Singular Value Decomposition
SLA_SVDCOV—Covariance Matrix from SVD
SLA_SVDSOL—Solution Vector from SVD
SLA_TP2S—Tangent Plane to Spherical
SLA_TP2V—Tangent Plane to Direction Cosines
SLA_TPS2C—Plate centre from
and
SLA_TPV2C—Plate centre from
and
SLA_UE2EL—Universal to Conventional Elements
SLA_UE2PV—Pos/Vel from Universal Elements
SLA_UNPCD—Remove Radial Distortion
SLA_V2TP—Direction Cosines to Tangent Plane
SLA_VDV—Scalar Product
SLA_VN—Normalize Vector
SLA_VXV—Vector Product
SLA_WAIT—Time Delay
SLA_XY2XY—Apply Linear Model to an
SLA_ZD—
to Zenith Distance