Science > Surveys > Little Things > Data > ngc2366 > n2366_jhkcalib.txt

n2366_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---1.25, 1.31, 1.49
Integration time (s)---30.96, 11.0, 5.93
Pixel scale (arcsec)---1.5, 1.5, 1.5

# Fri 12:24:33 07-Nov-2003
begin JFIT
status 0 (Solution converged)
variance 0.001238406
stdeviation 0.035191
avsqerror 0.001236442
averror 0.03516307
avsqscatter 0.001033847
avscatter 0.03215349
chisqr 1.001589
msq 0.001122306
rms 0.03350083
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
3.505656
0.02328703
-0.0552319
errors 3
0.06636151
0.0452607
0.04569536

# Fri 12:32:05 07-Nov-2003
begin HFIT
status 0 (Solution converged)
variance 9.441753E-4
stdeviation 0.03072743
avsqerror 9.418633E-4
averror 0.03068979
avsqscatter 5.565012E-4
avscatter 0.02359028
chisqr 1.002455
msq 8.352320E-4
rms 0.02890038
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
3.660852
0.04358641
0.0450604
errors 3
0.08355504
0.05664495
0.05458168

# Fri 12:36:18 07-Nov-2003
begin KFIT
status 0 (Solution converged)
variance 0.001029742
stdeviation 0.03208959
avsqerror 0.001392134
averror 0.03731131
avsqscatter 3.608931E-4
avscatter 0.01899719
chisqr 0.7396859
msq 9.414782E-4
rms 0.03068352
reference mK
fitting (J-JH-HK)+k1+k2*XK+k3*HK
weights photometric
parameters 3
k1 (fit)
k2 (fit)
k3 (fit)
derivatives 3
0.1
0.1
0.1
values 3
4.332621
0.05576435
-0.118393
errors 3
0.04541185
0.03290121
0.2133238