org.jscience.astronomy.catalogs
Class CatalogsUtils

java.lang.Object
  org.jscience.astronomy.catalogs.CatalogsUtils

public class CatalogsUtils
extends java.lang.Object

CatalogsUtils is a class that figures out which page in a number of atlases best show the given RA and Dec.

It also supports the Rukl lunar atlas given a lunar latitude and longitude.

Constructor Summary

CatalogsUtils()

Method Summary

static int	millenniumAtlasPage(double ra, double dec) This function returns the page number in the Millennium Star Atlas that best shows the location specified.
static java.lang.String	ruklPage(double lon, double lat) This function returns the page number in Rukl that best shows the lunar location specified.
static int	skyAtlasPage(double ra, double dec) This function returns the page number in Sky Atlas 2000 page that best shows the location specified.
static int	uranometriaPage(double ra, double dec) This function returns the page number in the original edition of Uranometria that best shows the location specified.
static int	uranometriaPage(double ra, double dec, boolean fix472) This function returns the page number in Uranometria that best shows the location specified.

Methods inherited from class java.lang.Object

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

Constructor Detail

CatalogsUtils

public CatalogsUtils()

Method Detail

millenniumAtlasPage

public static int millenniumAtlasPage(double ra,
                                      double dec)

This function returns the page number in the Millennium Star Atlas that best shows the location specified.

Parameters:

ra - Right ascension in decimal hours

dec - Declination in decimal degrees

Returns:

The appropriate Millenium Atlas page

skyAtlasPage

public static int skyAtlasPage(double ra,
                               double dec)

This function returns the page number in Sky Atlas 2000 page that best shows the location specified.

Parameters:

ra - Right ascension in decimal hours

dec - Declination in decimal degrees

Returns:

The appropriate Sky Atlas 2000 page

uranometriaPage

public static int uranometriaPage(double ra,
                                  double dec,
                                  boolean fix472)

This function returns the page number in Uranometria that best shows the location specified.

Parameters:

ra - Right ascension in decimal hours

dec - Declination in decimal degrees

fix472 - True to swap charts 472 and 473 (needed in original edition)

Returns:

The appropriate Uranometria page

uranometriaPage

public static int uranometriaPage(double ra,
                                  double dec)

This function returns the page number in the original edition of Uranometria that best shows the location specified.

Parameters:

ra - Right ascension in decimal hours

dec - Declination in decimal degrees

Returns:

The appropriate Uranometria page

ruklPage

public static java.lang.String ruklPage(double lon,
                                        double lat)

This function returns the page number in Rukl that best shows the lunar location specified. Returns a String to accomodate Rukl's roman numeral libration pages.

Parameters:

lon - lunar longitude

lat - lunar latitude

Returns:

The appropriate Rukl page