jsky.science
Class Constants

java.lang.Object
  jsky.science.Constants

public class Constants
extends java.lang.Object

Constants class is an all static class that contains various scientific/ and astronomical constants.

The comments for each constant should include units and a reference to the source of the value for the constant. References to "AQ" refer to "Allen's Astrophysical Quantities" edited by Arthur N. Cox, Fourth Edition, Published 2000, Springer-Verlag, ISBN # 0-387-98746-0.

This code was developed by NASA, Goddard Space Flight Center, Code 588 for the Scientist's Expert Assistant (SEA) project for Next Generation Space Telescope (NGST).

Version:

11.27.2000

Author:

Sandy Grosvenor

Field Summary

static double	boltzman Boltzmans constant (double) (k).
static double	c Speed of Light (double) (c).
static double	h
static double	jansky Janksy's constant (double).
static double	k
static double	lambda0 Wavelength associated with 1 eV (electron-volt) (lambda sub 0).
static double	planck Planck's constant (double) (h).

Constructor Summary

Constants()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

jansky

public static final double jansky

Janksy's constant (double). Units: Flux(W) meters^-2 Hertz^-1. Reference: AQ, p. 20.

See Also:

Constant Field Values

boltzman

public static final double boltzman

Boltzmans constant (double) (k). Units: Joule Kelvin^-1. Reference: AQ, p. 9.

See Also:

Constant Field Values

k

public static final double k

See Also:

boltzman, Constant Field Values

planck

public static final double planck

Planck's constant (double) (h). Units: joule second^-1. Reference: AQ, p. 8.

See Also:

Constant Field Values

h

public static final double h

See Also:

planck, Constant Field Values

c

public static final double c

Speed of Light (double) (c). Units: meters second^-1. Reference: AQ, p. 8.

See Also:

Constant Field Values

lambda0

public static final double lambda0

Wavelength associated with 1 eV (electron-volt) (lambda sub 0). Units: meter. Source: AQ, p. 11.

See Also:

Constant Field Values

Constructor Detail

Constants

public Constants()