Exemplo n.º 1
0
 def setparms(self):
     self.sp = parse_spec(
         'rn(pl(4000.0,-1.5,flam),box(1850.0,1.0),1.00E-14,flam)')
     self.bp = ObsBandpass('cos,nuv,g185m,c2010')
     self.ref_rate = 71.8377
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV95.fits'
Exemplo n.º 2
0
 def setparms(self):
     self.sp = parse_spec(
         'rn(icat(k93models,25400,0.0,3.9),box(2000.0,1.0),2.00E-13,flam)')
     self.bp = ObsBandpass('cos,nuv,g225m,c2186')
     self.ref_rate = 1460.12
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV105.fits'
Exemplo n.º 3
0
 def setparms(self):
     self.sp = parse_spec(
         'rn(icat(k93models,44500,0.0,5.0),box(2000.0,1.0),2.00E-13,flam)')
     self.bp = ObsBandpass('cos,nuv,g185m,c1835')
     self.ref_rate = 1559.37
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV6.fits'
Exemplo n.º 4
0
 def setparms(self):
     self.sp = parse_spec(
         'rn(z(spec(qso_template.fits),0.2),box(1850.0,1.0),1.00E-14,flam)')
     self.bp = ObsBandpass('cos,nuv,g185m,c2010')
     self.ref_rate = 47.2336
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV93.fits'
Exemplo n.º 5
0
 def setparms(self):
     self.sp = parse_spec(
         'rn(icat(k93models,44500,0.0,5.0)*ebmvx(0.1,gal1),box(1850.0,1.0),2.00E-13,flam)'
     )
     self.bp = ObsBandpass('cos,nuv,g185m,c1786')
     self.ref_rate = 1180.17
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV98.fits'
Exemplo n.º 6
0
 def setparms(self):
     self.sp = parse_spec(
         'spec(earthshine.fits)*0.5+rn(spec(Zodi.fits),band(johnson,v),22.7,vegamag)+(spec(el1215a.fits)+spec(el1302a.fits)+spec(el1356a.fits)+spec(el2471a.fits))*0.5'
     )
     self.bp = ObsBandpass('cos,nuv,g185m,c1850')
     self.ref_rate = 6.7e-05
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV7.fits'
     self.accuracy = 1e-2
Exemplo n.º 7
0
    def setUp(self):
        tmg = locations._refTable(os.path.join('mtab', 'u921351jm_tmg.fits'))
        tmc = locations._refTable(os.path.join('mtab', 'ub31649mm_tmc.fits'))

        spec = FlatSpectrum(1, fluxunits='flam')
        bandpass = ObsBandpass('acs,hrc,f555w', graphtable=tmg, comptable=tmc)

        self.obs = Observation(spec, bandpass)
        self.obs.initbinflux()
Exemplo n.º 8
0
 def setparms(self):
     self.sp = parse_spec(
         'spec(earthshine.fits)*2.0+rn(spec(Zodi.fits),band(johnson,v),22.7,vegamag)+(spec(el1215a.fits)+spec(el1302a.fits)+spec(el1356a.fits)+spec(el2471a.fits))*0.5'
     )
     self.bp = ObsBandpass('cos,nuv,g225m,c2186')
     self.ref_rate = 0.000906
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV109.fits'
     self.accuracy = 1e-2
Exemplo n.º 9
0
def test_photbw_stis_02x29_mirror_fuvmama():
  mode = 'stis,0.2x29,mirror,fuvmama'
  
  # from Synphot
  ref_photbw = 134.79
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 10
0
def get_filter_info(name, vega=vega):
    filter = ObsBandpass(name)

    vega_obs = obs.Observation(vega, filter, binset=filter.wave, force='taper')
    vega_flux = vega_obs.binflux.sum()
    vega_mag = 0.03

    filter.flux0 = vega_flux
    filter.mag0 = vega_mag

    return filter
Exemplo n.º 11
0
def test_photbw_acs_sbc_f122m():
  mode = 'acs,sbc,f122m'
  
  # from Synphot
  ref_photbw = 91.063
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 12
0
def test_photbw_wfc3_uvis2_f336w():
  mode = 'wfc3,uvis2,f336w'
  
  # from Synphot
  ref_photbw = 158.36
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 13
0
def test_photbw_acs_hrc_f555w():
  mode = 'acs,hrc,f555w'
  
  # from Synphot
  ref_photbw = 357.17
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 14
0
def test_photbw_wfc3_ir_f164n():
  mode = 'wfc3,ir,f164n'
  
  # from Synphot
  ref_photbw = 700.05
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 15
0
def test_photbw_nicmos_1_f090m_dn():
  mode = 'nicmos,1,f090m,dn'
  
  # from Synphot
  ref_photbw = 559.59
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 16
0
def test_photbw_cos_boa_nuv_mirrora():
  mode = 'cos,boa,nuv,mirrora'
  
  # from Synphot
  ref_photbw = 370.65
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 17
0
def test_photbw_acs_wfc1_f775w_pol_v():
  mode = 'acs,wfc1,f775w,pol_v'
  
  # from Synphot
  ref_photbw = 444.05
  
  band = ObsBandpass(mode)
  
  test_photbw = band.photbw()
  
  np.testing.assert_allclose(ref_photbw, test_photbw, rtol=0.001)
Exemplo n.º 18
0
def get_filter_info(name, vega=vega):
    if name.startswith('nirc2'):
        tmp = name.split(',')
        filterName = tmp[-1]
        filter = nirc2syn.filters[filterName]
        flux0 = nirc2syn.filter_flux0[filterName]
        mag0 = nirc2syn.filter_mag0[filterName]
    else:
        filter = ObsBandpass(name)

    vega_obs = obs.Observation(vega, filter, binset=filter.wave, force='taper')
    vega_flux = vega_obs.binflux.sum()
    vega_mag = 0.03

    filter.flux0 = vega_flux
    filter.mag0 = vega_mag

    return filter
Exemplo n.º 19
0
def ABtoVega(instrument, bandpass):

    bp = ObsBandpass(str(instrument) + ',wfc1,'\
    + str(bandpass) + ',mjd#57754')
    spec_bb = BlackBody(10000)
    spec_bb_norm = spec_bb.renorm(1, 'counts', bp)
    obs = observation.Observation(spec_bb_norm, bp)

    # Get photometric calibration information.
    photflam = obs.effstim('flam')
    photplam = bp.pivot()

    zp_vega = obs.effstim('vegamag')
    zp_st = obs.effstim('stmag')
    zp_ab = obs.effstim('abmag')

    difference = zp_vega - zp_ab

    return difference
Exemplo n.º 20
0
 def setparms(self):
     self.sp = parse_spec('rn(bb(40000.0),box(1850.0,1.0),1.00E-14,flam)')
     self.bp = ObsBandpass('cos,nuv,g185m,c2010')
     self.ref_rate = 64.6011
     self.cmd = 'SpecSourcerateSpec'
     self.fname = 'specAV97.fits'