; RESTFREQ ;--------------------------------------------------------------- ;! Rest frequency of a transition ;# ADVERB COORDINATES ;----------------------------------------------------------------------- ;; Copyright (C) 1995, 2002 ;; 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 ;----------------------------------------------------------------------- RESTFREQ LLLLLLLLLLLLUUUUUUUUUUUU CCCCCCCCCCCCCCCCCCCCCCCCCCCCC ---------------------------------------------------------------- RESTFREQ Type: Adverb (array(2)) Use: To specify the spectral-line rest frequency in Hertz. RESTFREQ is an array to allow greater precision in the specified value. The rest frequency is taken to be RESTFREQ(1) + RESTFREQ(2) with both values converted to double precision before adding. For example, the frequency 1420.405752E6 is too precise for a single adverb. However, RESTFREQ = 1420.4E6, 5752. will convey the desired value correctly. NOTE, if RESTFREQ(1) = RESTFREQ(2), then the rest frequency is taken to be just RESTFREQ(1). Null value: none Verbs: ALTDEF.....Define an alternate description in velocity units of a frequency axis. RESTFREQ is the line rest frequency in Hz. ----------------------------------------------------------------