SAOimage WCS Example 3

Find a image star in various catalogs

Use the default assignments of the Fn keys to find a star in various catalogs

Run SAOimage

saoimage test.fit

Clicking F1 will cause suac to be called to find the closest USNO A 1.0 star within 120 arcseconds of the current cursor location:

suac 2.5, 29 October 1998, Doug Mink SAO  Find closest star
USNO A number   RAJ2000       DecJ2000    MagB  MagR Plate  Arcsec
1575.03068097 09:54:31.895 +69:01:26.82  13.1  11.9   38      1.73

Clicking F2 will cause sgsc to be called to find the closest HST Guide Star within 120 arcseconds of the current cursor location:

sgsc 2.5, 29 October 1998, Doug Mink SAO  Find closest star
GSC number  RAJ2000       DecJ2000     Mag  Type  Arcsec
4383.0434 09:54:31.937 +69:01:26.94  12.00  0     1.93

Clicking F3 will cause stycho to be called to find the closest Tycho Catalog star within 120 arcseconds of the current cursor location:

stycho 2.5, 29 October 1998, Doug Mink SAO  Find closest star
No Tycho Stars Found

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