Class SiderealTime

java.lang.Object

org.episteme.natural.physics.astronomy.time.SiderealTime

public class SiderealTime
extends Object

Sidereal time calculations.

Since:

1.0

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Method Summary

Modifier and Type	Method	Description
static Real	degreesToRaHours(Real degrees)	Converts degrees to RA hours.
static Real	gmstDegrees(JulianDate jd)	Computes Greenwich Mean Sidereal Time in degrees.
static Real	gmstHours(JulianDate jd)	Computes Greenwich Mean Sidereal Time in hours.
static Real	hourAngle(Real lmstHours, Real raHours)	Computes Hour Angle: HA = LMST - RA
static Real	lmstDegrees(JulianDate jd, Real longitude)	Computes Local Mean Sidereal Time in degrees.
static Real	lmstHours(JulianDate jd, Real longitude)	Computes Local Mean Sidereal Time in hours.
static Real	raHoursToDegrees(Real hours)	Converts RA hours to degrees.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

gmstDegrees

public static Real gmstDegrees(JulianDate jd)

Computes Greenwich Mean Sidereal Time in degrees.

gmstHours

public static Real gmstHours(JulianDate jd)

Computes Greenwich Mean Sidereal Time in hours.

lmstDegrees

public static Real lmstDegrees(JulianDate jd,
 Real longitude)

Computes Local Mean Sidereal Time in degrees.

lmstHours

public static Real lmstHours(JulianDate jd,
 Real longitude)

Computes Local Mean Sidereal Time in hours.

hourAngle

public static Real hourAngle(Real lmstHours,
 Real raHours)

Computes Hour Angle: HA = LMST - RA

raHoursToDegrees

public static Real raHoursToDegrees(Real hours)

Converts RA hours to degrees.

degreesToRaHours

public static Real degreesToRaHours(Real degrees)

Converts degrees to RA hours.