python - Can not plot .fit file with PYFITS -


in fits file have 3 columns called j, h, , k , plot relation between j-h , h-k in x , y axes pyfits, respectively. how can make this?

this general , basic question.

first need open fits file , plot, here example program:

import pyfits import matplotlib.pyplot plt  # load fits file program hdulist = pyfits.open('your fits file name here')  # load table data tbdata tbdata = hdulist[1].data  fields = ['j','h','k'] #this contains column names var = dict((f, tbdata.field(f)) f in fields) #creating dictionary contains                                                  #variable names j,h,k  #now call column j,h , k use j = var['j']    h = var['h'] k = var['k']  #to plot j vs h , h vs k , on plt.plot(j,h,'r') plt.title('your plot title here') plt.show()

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