Exemple #1
0
def check_system(_telescope, img, Stdout=True):
    from snoopy2 import src
    try:
        import pyfits
    except:
        from astropy.io import fits as pyfits

    import re
    if pyfits.getheader(img).get('INSTRUME') == 'SOFI' or pyfits.getheader(
            img).get('INSTRUME') == 'NICS':
        _system = 1
    else:
        aa = 'unknown'
        _header = src.read_parameter(_telescope, 0)
        if _header:
            _filter = src.filter(img, _header, _telescope)
            aa = src.filtername(_telescope, _filter, 0)
        if aa != 'unknown':
            if Stdout:
                print '##################################'
                print 'System optical: UBVRI'
                print '##################################'
            _system = 0
        if aa == 'unknown':
            _header = src.read_parameter(_telescope, 1)
            if _header:
                _filter = src.filter(img, _header, _telescope)
                aa = src.filtername(_telescope, _filter, 1)
            if aa != 'unknown':
                if Stdout:
                    print '##################################'
                    print 'System infrared: JHK'
                    print '##################################'
                _system = 1
        if aa == 'unknown':
            _header = src.read_parameter(_telescope, 2)
            if _header:
                _filter = src.filter(img, _header, _telescope)
                aa = src.filtername(_telescope, _filter, 2)
            if aa != 'unknown':
                if Stdout:
                    print '##################################'
                    print 'System sloan: ugriz'
                    print '##################################'
                _system = 2
        if aa == 'unknown':
            if Stdout:
                print '##################################'
                print 'WARNING: FILTER not recognised in ' + str(
                    img) + ' !!!  '
                print '##################################'
            _system = 99
        #      sys.exit()
    return _system
Exemple #2
0
def check_tel(img, _aa, _system):
    from snoopy2 import src
    try:
        _header = src.read_parameter(_aa, _system)
        filter = src.filter(img, _header, _aa)
        instrument = src.instrument(img, _header, _aa)
        _airmass = src.airmass(img, _header, _aa)
        _exptime = src.exptime(img, _header, _aa)
        _date = src.date(img, _header, _aa)
        xdim = src.xdimen(img, _aa)
        ydim = src.ydimen(img, _aa)
        _object = src.objects(img, _header, _aa)
        _julday = src.JD(img, _header, _aa)
        _UT = src.UT(img, _header, _aa)
        print '#### Header check ......ok '
        check = 1
    except Exception as e:
        print e
        check = 0
    return check
Exemple #3
0
print '## '
print _telescope
print '## '

_system = src.check_system(_telescope, img, Stdout=True)

if _system not in [0, 1, 2]:
    _header = src.read_parameter(_telescope, 0)
else:
    _header = src.read_parameter(_telescope, _system)

_imagetype = src.imagetype(img, _header, _telescope)
_object = src.objects(img, _header, _telescope)
_JD = src.JD(img, _header, _telescope)
_airmass = src.airmass(img, _header, _telescope)
_filter = src.filter(img, _header, _telescope)
_grism = src.grism(img, _header, _telescope)
_exptime = src.exptime(img, _header, _telescope)
_date = src.date(img, _header, _telescope)
_gain = src.gain(img, _header, _telescope)
_ron = src.ron(img, _header, _telescope)
_lampid = src.lampid(img, _header, _telescope)
_RA = src.RA(img, _header, _telescope)
_DEC = src.DEC(img, _header, _telescope)
_ccdmax = src.ccdmax(img, _header, _telescope)
_ccdmin = src.ccdmin(img, _header, _telescope)
_cenwav = src.cenwav(img, _header, _telescope)
_slitw = src.slitw(img, _header, _telescope)
_UT = src.UT(img, _header, _telescope)
_xdimen = src.xdimen(img, _telescope)
_ydimen = src.ydimen(img, _telescope)
Exemple #4
0
def fwhm_computation(img, tmpfiltercoo, stars, system, interactive):
    from snoopy2 import src
    import snoopy2
    import string, os
    from numpy import compress
    from numpy import array
    from numpy import average
    from numpy import mean
    from numpy import median
    from numpy import std
    from pyraf import iraf
    from numpy import log10
    _telescope = src.telescope(img)
    _header = src.read_parameter(_telescope, system)
    _xdimen = src.xdimen(img, _telescope)
    _ydimen = src.ydimen(img, _telescope)
    _filter = src.filter(img, _header, _telescope)
    try:
        filter = src.filtername(_telescope, _filter, system)
    except:
        filter = _filter
    _exptime = src.exptime(img, _header, _telescope)

    iraf.delete("tmp.imex_output", verify='no')
    stars_pos = []
    alllines = []

    ff = open(tmpfiltercoo, 'r')
    for j in range(0, 3):
        exl = ff.readline()
    for j in range(len(stars)):
        alllines.append(ff.readline())
        xx = string.split(alllines[-1])[0:2]
        os.system('echo ' + xx[0] + ' ' + xx[1] + '> tmp.two')
        pp = iraf.imexam(input=img,
                         frame=1,
                         logfile='',
                         keeplog='no',
                         imagecur='tmp.two',
                         defkey='m',
                         wcs='logical',
                         use_disp='no',
                         Stdout=1)
        if not 1. <= float(xx[0]) <= float(_xdimen) or not 1. <= float(
                xx[1]) <= float(_ydimen):
            stars_pos.append(0)
        elif string.split(pp[1])[-1] == string.split(pp[1])[-2]:
            stars_pos.append(0)
        else:
            stars_pos.append(1)
    ff.close()
    ff = open('tmp.' + img + 'good.coo', 'w')
    for i in range(len(stars_pos)):
        if stars_pos[i]:
            ff.write(alllines[i])
    ff.close()
    for i in range(len(alllines)):
        if stars_pos[i]:
            ff = open('tmp.one', 'w')
            xx = string.split(alllines[i])[0:2]
            ff.write(xx[0] + ' ' + xx[1] + '  a')
            ff.close()
            try:
                iraf.imexam(input=img,
                            frame=1,
                            logfile='tmp.imex_output',
                            keeplog='yes',
                            imagecur='tmp.one',
                            wcs='logical',
                            use_disp='no')
            except:
                if not os.path.isfile('tmp.imex_output'):
                    os.system("echo '# [1] " + str(img) + " - " +
                              str(coordinatelist) + "' > tmp.imex_output")
                    os.system(
                        "echo '#   COL    LINE   COORDINATES      R    MAG    FLUX     SKY    PEAK    E   PA BETA ENCLOSED   MOFFAT DIRECT' >> tmp.imex_output"
                    )
                    os.system(
                        "echo '999.  999. 999. 999.  INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF' >> tmp.imex_output"
                    )
                else:
                    os.system(
                        "echo '999.  999. 999. 999.  INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF INDEF' >> tmp.imex_output"
                    )

    _fwhm0 = iraf.fields('tmp.imex_output', '15', Stdout=1)
    _mag = iraf.fields('tmp.imex_output', '6', Stdout=1)
    _fwhm, _magime = [], []
    j = 0
    for i in range(len(stars)):
        if stars_pos[i]:
            try:
                _magime.append(float(_mag[j]) + 2.5 * log10(_exptime))
            except:
                _magime.append(float(9999))
            try:
                _fwhm.append(float(_fwhm0[j]))
            except:
                _fwhm.append(float(9999))
            j = j + 1
        else:
            _magime.append(float(9999))
            _fwhm.append(float(9999))

    fwhm_ave = compress((array(_fwhm) < 999), _fwhm)

    fwhm_ave1 = compress(
        (average(fwhm_ave) - 2 * std(fwhm_ave) < array(fwhm_ave)) &
        (array(fwhm_ave) < average(fwhm_ave) + std(fwhm_ave) * 2),
        array(fwhm_ave))
    _fwhm_ave = mean(
        compress((average(fwhm_ave1) - 2 * std(fwhm_ave1) < array(fwhm_ave1)) &
                 (array(fwhm_ave1) < average(fwhm_ave1) + std(fwhm_ave1) * 2),
                 array(fwhm_ave1)))

    fwhm_ave22 = compress(
        (average(fwhm_ave) - 2 * std(fwhm_ave) < array(fwhm_ave)) &
        (array(fwhm_ave) < average(fwhm_ave) + std(fwhm_ave) * 2),
        array(fwhm_ave))
    _fwhm_ave2 = median(
        compress(
            (average(fwhm_ave22) - 2 * std(fwhm_ave22) < array(fwhm_ave22)) &
            (array(fwhm_ave22) < average(fwhm_ave22) + std(fwhm_ave22) * 2),
            array(fwhm_ave22)))

    checkfwhm = 'yes'
    while checkfwhm == 'yes':
        print '################ FWHM(median) = ' + str(_fwhm_ave2) + '  '
        print '################ FWHM(mean) = ' + str(_fwhm_ave) + '  '
        if interactive:
            fwhm_ave = raw_input('################ FWHM = [' +
                                 str(_fwhm_ave2) + '] ? ')
        else:
            fwhm_ave = str(_fwhm_ave2)
        try:
            if not fwhm_ave: fwhm_ave = _fwhm_ave2
            else: fwhm_ave = float(fwhm_ave)
            checkfwhm = 'no'
        except:
            print 'WARNING: FWHM not good !!!!'
            checkfwhm = 'yes'

    #fwhm[filter]=fwhm_ave
    iraf.hedit(img, 'qubafwhm', fwhm_ave, add='yes', update='yes', verify='no')
    return fwhm_ave, _magime, stars_pos, _fwhm