fr.cnes.sitools.units.astronomy
Class AstronomicSystem

java.lang.Object
  javax.measure.unit.SystemOfUnits
      fr.cnes.sitools.units.astronomy.AstronomicSystem

public final class AstronomicSystem
extends javax.measure.unit.SystemOfUnits

Units for astronomical measurements

Author:

m.marseille (AKKA technologies)

Field Summary

static javax.measure.unit.Unit<javax.measure.quantity.Length>	ANGSTROM Add Angstrom unit, equivalent to a tenth of a nanometer
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	ARC_DEGREE arcdegree : 360 deg = 2pi radians
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	ARC_MINUTE arcminute : 1 degree = 60 arcminutes
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	ARC_SECOND arcsecond : 1 degree = 60 arcminutes = 3600 arcseconds
static javax.measure.unit.Unit<javax.measure.quantity.Length>	ASTRONOMICAL_UNIT Add astronomical unit, equivalent 1.495978707e11 meters
static javax.measure.unit.Unit<javax.measure.quantity.Time>	CALENDAR_YEAR Calendar year unit, i.e. equivalent to 365 days exactly
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	DEGREE_ANGLE Degree
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	HOUR_ANGLE Hour angle : 24h = 360 degrees = 2pi rad
static javax.measure.unit.Unit<javax.measure.quantity.Power>	JANSKY Jansky
static javax.measure.unit.Unit<javax.measure.quantity.Length>	LIGHT_YEAR Add light-year unit, equivalent 9.460730472580800e15 meters
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	MINUTE_ANGLE Minute angle : 1h = 60 minutes
static javax.measure.unit.Unit<javax.measure.quantity.Length>	PARSEC Add Parsec unit, equivalent 3.085677581e16 meters
static javax.measure.unit.Unit<javax.measure.quantity.Angle>	SECOND_ANGLE Second angle : 1m = 60 seconds
static javax.measure.unit.Unit<javax.measure.quantity.Time>	SIDERAL_DAY Earth rotation period : SIDERAL_DAY
static javax.measure.unit.Unit<javax.measure.quantity.Time>	SIDERAL_YEAR Sideral year unit, i.e. equivalent to a complete rotation of the Earth around the sun 3.155814954e7 seconds
static javax.measure.unit.Unit<javax.measure.quantity.Time>	SOLAR_DAY Calendar (solar) day
static javax.measure.unit.Unit<javax.measure.quantity.Power>	SOLAR_LUMINOSITY Solar luminosity
static javax.measure.unit.Unit<javax.measure.quantity.Mass>	SOLAR_MASS Solar mass
static javax.measure.unit.Unit<javax.measure.quantity.Length>	SOLAR_RADIUS Add solar radius unit, equivalent 6.955e8 meters
static java.util.Set<javax.measure.unit.Unit<?>>	UNITS Set of units in the system

Method Summary

static AstronomicSystem	getInstance() Get singleton
java.util.Set<javax.measure.unit.Unit<?>>	getUnits() Returns a read only view over the units defined in this system.

Methods inherited from class javax.measure.unit.SystemOfUnits

getUnits

Methods inherited from class java.lang.Object

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

Field Detail

UNITS

public static final java.util.Set<javax.measure.unit.Unit<?>> UNITS

Set of units in the system

ANGSTROM

public static final javax.measure.unit.Unit<javax.measure.quantity.Length> ANGSTROM

Add Angstrom unit, equivalent to a tenth of a nanometer

PARSEC

public static final javax.measure.unit.Unit<javax.measure.quantity.Length> PARSEC

Add Parsec unit, equivalent 3.085677581e16 meters

ASTRONOMICAL_UNIT

public static final javax.measure.unit.Unit<javax.measure.quantity.Length> ASTRONOMICAL_UNIT

Add astronomical unit, equivalent 1.495978707e11 meters

LIGHT_YEAR

public static final javax.measure.unit.Unit<javax.measure.quantity.Length> LIGHT_YEAR

Add light-year unit, equivalent 9.460730472580800e15 meters

SOLAR_RADIUS

public static final javax.measure.unit.Unit<javax.measure.quantity.Length> SOLAR_RADIUS

Add solar radius unit, equivalent 6.955e8 meters

CALENDAR_YEAR

public static final javax.measure.unit.Unit<javax.measure.quantity.Time> CALENDAR_YEAR

Calendar year unit, i.e. equivalent to 365 days exactly

SIDERAL_YEAR

public static final javax.measure.unit.Unit<javax.measure.quantity.Time> SIDERAL_YEAR

Sideral year unit, i.e. equivalent to a complete rotation of the Earth around the sun 3.155814954e7 seconds

SOLAR_DAY

public static final javax.measure.unit.Unit<javax.measure.quantity.Time> SOLAR_DAY

Calendar (solar) day

SIDERAL_DAY

public static final javax.measure.unit.Unit<javax.measure.quantity.Time> SIDERAL_DAY

Earth rotation period : SIDERAL_DAY

DEGREE_ANGLE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> DEGREE_ANGLE

Degree

HOUR_ANGLE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> HOUR_ANGLE

Hour angle : 24h = 360 degrees = 2pi rad

MINUTE_ANGLE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> MINUTE_ANGLE

Minute angle : 1h = 60 minutes

SECOND_ANGLE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> SECOND_ANGLE

Second angle : 1m = 60 seconds

ARC_DEGREE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> ARC_DEGREE

arcdegree : 360 deg = 2pi radians

ARC_MINUTE

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> ARC_MINUTE

arcminute : 1 degree = 60 arcminutes

ARC_SECOND

public static final javax.measure.unit.Unit<javax.measure.quantity.Angle> ARC_SECOND

arcsecond : 1 degree = 60 arcminutes = 3600 arcseconds

SOLAR_MASS

public static final javax.measure.unit.Unit<javax.measure.quantity.Mass> SOLAR_MASS

Solar mass

SOLAR_LUMINOSITY

public static final javax.measure.unit.Unit<javax.measure.quantity.Power> SOLAR_LUMINOSITY

Solar luminosity

JANSKY

public static final javax.measure.unit.Unit<javax.measure.quantity.Power> JANSKY

Jansky

Method Detail

getInstance

public static AstronomicSystem getInstance()

Get singleton

Returns:

the instance

getUnits

public java.util.Set<javax.measure.unit.Unit<?>> getUnits()

Description copied from class: javax.measure.unit.SystemOfUnits

Returns a read only view over the units defined in this system.

Specified by:

getUnits in class javax.measure.unit.SystemOfUnits

Returns:

the collection of units.