; SPECPARM ;--------------------------------------------------------------- ;! Spectral index per polarization per source ;# ADVERB CALIBRATION SPECTRAL ;----------------------------------------------------------------------- ;; Copyright (C) 2010 ;; Associated Universities, Inc. Washington DC, USA. ;; ;; This program is free software; you can redistribute it and/or ;; modify it under the terms of the GNU General Public License as ;; published by the Free Software Foundation; either version 2 of ;; the License, or (at your option) any later version. ;; ;; This program is distributed in the hope that it will be useful, ;; but WITHOUT ANY WARRANTY; without even the implied warranty of ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ;; GNU General Public License for more details. ;; ;; You should have received a copy of the GNU General Public ;; License along with this program; if not, write to the Free ;; Software Foundation, Inc., 675 Massachusetts Ave, Cambridge, ;; MA 02139, USA. ;; ;; Correspondence concerning AIPS should be addressed as follows: ;; Internet email: aipsmail@nrao.edu. ;; Postal address: AIPS Project Office ;; National Radio Astronomy Observatory ;; 520 Edgemont Road ;; Charlottesville, VA 22903-2475 USA ;----------------------------------------------------------------------- SPECPARM LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC ---------------------------------------------------------------- SPECPARM Type: Adverb (Real array(4,20)) Use: Spectral index S as a function of polarization (I, Q, U, V) and source number where log(T(f)/T(f0) = S * log(f/f0) Tasks: PCAL......Computes antenna-based polarization leakage terms and, optionally, also determines source polarization (Q, U, V). SPECPARM sets spectral indices to be used in applying source models including the total intensity which is used while fitting for source Q and U. ----------------------------------------------------------------