d43_jhkcalib.txt
The following calibration format can be used directly in
IRAF.digiphot.photcal.invertfit. The instrumental magnitudes
mJ, mH, and mK are -2.5*log(counts/s)+25.
For the these images, the average parameters for JHK are the following:
Airmass--1.48, 1.0, -
Integration time (s)---30.94, 6.91, -
Pixel scale (arcsec)---1.5, 1.5, -
# Fri 12:39:09 23-Apr-2004
begin JFIT
status 0 (Solution converged)
variance 0.001019377
stdeviation 0.03192768
avsqerror 0.001017745
averror 0.03190212
avsqscatter 8.777083E-4
avscatter 0.02962614
chisqr 1.001603
msq 9.996467E-4
rms 0.03161719
reference mJ
fitting J+j1+j2*XJ+j3*JH
weights photometric
parameters 3
j1 (fit)
j2 (fit)
j3 (fit)
derivatives 3
0.1
0.1
0.1
values 3
3.63639
0.1470083
-0.004540632
errors 3
0.020433
0.01033582
0.05138629
# Tue 10:46:42 25-Nov-2003
begin HFIT
status 0 (Solution converged)
variance 0.002945108
stdeviation 0.05426885
avsqerror 0.003733531
averror 0.06110263
avsqscatter 0.003032221
avscatter 0.05506561
chisqr 0.7888265
msq 0.002685246
rms 0.05181936
reference mH
fitting (J-JH)+h1+h2*XH+h3*JH
weights photometric
parameters 3
h1 (fit)
h2 (fit)
h3 (fit)
derivatives 3
0.1
0.1
0.1
values 3
3.837981
0.02535437
0.0664708
errors 3
0.08073025
0.05371833
0.05806206
# Fri 15:22:39 23-Apr-2004
begin KFIT
status 0 (Solution converged)
variance 0.001483975
stdeviation 0.0385224
avsqerror 0.001482641
averror 0.03850508
avsqscatter 4.644887E-4
avscatter 0.021552
chisqr 1.0009
msq 0.001377977
rms 0.03712111
reference mK
fitting (J-JH-HK)+k1+k2*XK+k3*HK
weights photometric
parameters 3
k1 (fit)
k2 (constant)
k3 (fit)
derivatives 3
0.1
0.1
0.1
values 3
4.434642
0.03
-0.1682238
errors 3
0.01006497
0.
0.198944
