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Last modified: December 2009

URL: http://cxc-newtest.cfa.harvard.edu/ciao4.2/pix_get_fp_scale_in_asec.html
AHELP for CIAO 4.2

pix_get_fp_scale_in_asec

Context: pixlib

Synopsis

Returns the pixel size in arcsec for the current detector

Syntax

Double_Type pix_get_fp_scale_in_asec()

Description

Returns the focal-plane pixel size in arcsec for the current detector: the size of the detector pixel on the sky. Often this is the "CDELT" value used in the tangent plane projections.

Example

slsh> pix_init_pixlib();
slsh> pix_set_detector("ACIS");
slsh> pix_get_fp_scale_in_asec();
0.492
slsh> pix_set_detector("HRC-I");
slsh> pix_get_fp_scale_in_asec();
0.1318

Bugs

See the bugs page for the pixlib library on the CIAO website for an up-to-date listing of known bugs.

See Also

modules
pixlib
pixlib
pix_get_flength, pix_get_grating_angle, pix_get_grating_period, pix_get_rowland

Last modified: December 2009