iraf.net

>From caldwell@flwo99.sao.arizona.edu Fri Nov 17 11:24:35 1995
Date: Fri, 17 Nov 1995 11:23:59 -0700 (MST)
From: caldwell@flwo99.sao.arizona.edu (Nelson Caldwell)
Subject: Hi Frank
To: fvaldes@noao.eduSorry to bother you with what I hope is a trivial problem, but I
can't seem to access the different "bands" in a multispec file created
by "dohydra" and "doargus" with either splot or scopy.
The files are somewhat old (about 2-3 years),
and IRAF versions have changed, so maybe there is some incompatibility.
Also, I'm still running 2.10.3beta so maybe that's at fault. Anyway, if
you could have a look at one of the headers, included below, I'd appreciate
finding out if there is an additional keyword that would solve my problem.thanks, Nelson Caldwelldc0107.c3.ms[1205,44,3][real]: dc0107-42 central # 3
No bad pixels, no histogram, min=unknown, max=unknown
Line storage mode, physdim [1280,44,3], length of user area 5671 s.u.
Created Tue 16:44:43 01-Nov-94, Last modified Tue 16:44:43 01-Nov-94
Pixel file "flwo99.sa!/data/caldwell/irafimg/dc0107.c3.ms.pix" [ok]
'KPNO-IRAF' /
'17-08-93' /
New copy of obj116.imh
New copy of obj116
New copy of dc0107.c3
New copy of dc0107.c3.ms
New copy of dc0107.c3.ms.imh
New copy of dc0107.c3.ms
IRAF-MAX= 1.629500E4 / DATA MAX
IRAF-MIN= 3.320000E2 / DATA MIN
IRAF-BPX= 16 / DATA BITS/PIXEL
IRAFTYPE= 'SHORT ' / PIXEL TYPE
OBSERVAT= 'CTIO ' / origin of data
CCDPICNO= 116 / original CCD picture number
EXPTIME = 3600 / actual integration time (seconds)
DARKTIME= 3600 / total elapsed time (seconds)
OTIME = 3600 / shutter open time (seconds)
IMAGETYP= 'OBJECT ' / object,dark,bias,etc.
DATE-OBS= '17/08/93 ' / date (DD/MM/YY) of observation
RA = ' 1:07:43.00' / right ascension (telescope)
DEC = '-46:11:46.00' / declination (telescope)
EPOCH = 1950. / epoch of RA and DEC
ZD = ' 0:00:00.00' / zenith distance
HA = '00:00:00 ' / hour angle (H-M-S)
UT = ' 5:44:16.00' / universal time
ST = '22:43:31.00' / sidereal time
AIRMASS = 1.13007 / airmass
DETECTOR= 'Reticon1 ' / detector (CCD type, photon counter, ETC)
CAMTEMP = 0. / camera temperature, deg C
DEWTEMP = 0. / dewar temprature, deg C
FILTERS = '0 0 ' / filter bolt positions
CCDSUM = '1 1 ' / on chip summation (x,y)
VEBGAIN = 35 / veb gain setting
SECPPIX = 0.538 / sec of arc per pixel
TRIM = 'Oct 28 17:02 Trim data section is [5:1200,7:400]'
FIXPIX = 'Oct 28 17:02 Bad pixel file is ../badpix'
OVERSCAN= 'Oct 28 17:03 Overscan section is [1216:1231,1:400] with mean=372.
FLATCOR = 'Oct 28 17:03 Flat field image is Mflatr with scale=1.'
CCDSEC = '[5:1200,7:400]'
CCDMEAN = 70.60085
CCDPROC = 'Oct 28 17:03 CCD processing done'
NCOMBINE= 4 / NUMBER FILES COMBINED
NLOWER = 0 / LOW REJECT
NHIGH = 0 / HIGH REJECT
BADVAL = 20000. / VALUE FOR BAD PIXELS
JD = 2449216.7599074
LJD = 2449216.
UTMIDDLE= '6:14:16.0'
REFSPEC1= 'henear2dc01.3.ms'
WCSDIM = 2
CTYPE1 = 'MULTISPE'
CTYPE2 = 'MULTISPE'
CDELT1 = 1.
CDELT2 = 1.
CD1_1 = 1.
CD2_2 = 1.
LTM1_1 = 1.
LTM2_2 = 1.
WAT0_001= 'system=multispec
WAT1_001= 'wtype=multispec label=Wavelength units=Angstroms
WAT2_001= 'wtype=multispec spec1 = "1 0 0 3475. 1.817000031471253 1205 0. 56
WAT2_002= ' 60.90" spec2 = "2 1 0 3475. 1.817000031471253 1205 0. 62.24 66.8
WAT2_003= 'spec3 = "3 0 0 3475. 1.817000031471253 1205 0. 68.36 72.99" spec4
etc. APID40 = 'sky '
APID41 = '102_2083x 6908 96 E'
APID42 = 'sky '
APID43 = '36_11x 7390 48 S0 15'
APID44 = 'sky '
SKYSUB = 'yes 'Date: Fri, 17 Nov 95 12:03:18 MST
From: valdes (Frank Valdes)
To: caldwell@flwo99.sao.arizona.edu
Subject: Re: 3D spectrum problemsHi Nelson,You don't say specifically the commands you tried. My guess is you
tried using image sections. I think SPLOT might work to get to the
bands if you used the '%' key. There were some
errors in the earlier versions. What is wrong in your example
is WCSDIM should be 3: cl> hedit <images> wcsdim 3
cl> hedit <images> ltm3_3 1. add+
cl> hedit <images> cd3_3 1. add+
cl> hedit <images> cdelt3 1. add+

This will make the header correct. Try that and then try what you had
problems with. If you still have problems tell me what commands
you are using; i.e.: cl> splot test[*,10,3]
cl> scopy test[*,*,2] band2
etc.

Cheers,
Frank
Date: Fri, 17 Nov 1995 14:10:50 -0700 (MST)
From: caldwell@flwo99.sao.arizona.edu (Nelson Caldwell)
Subject: Re: 3D spectrum problems
To: valdes@noao.eduthanks, Frank. The additions to the headers did the trick.nc