/
sqldata_decompose.py
executable file
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/
sqldata_decompose.py
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#calculate outermag
import asciitable, numpy as np, matplotlib.pyplot as plt, math
converters = {'specobjID':[asciitable.convert_numpy(np.int64)],
'objID':[asciitable.convert_numpy(np.int64)]}
total = asciitable.read('qso2.csv', converters = converters)
totalm = total['modelmag_u']
innerm = total['fibermag_u']
totalflux = []
innerflux = []
outerflux = []
outerm = []
for i in range(len(total)):
totalmag_i = totalm[i]
innermag_i = innerm[i]
totalf = 10**((totalmag_i + 48.6)/-2.5)
innerf = 10**((innermag_i + 48.6)/-2.5)
totalflux.append(totalf)
innerflux.append(innerf)
totalflux_i = totalflux[i]
innerflux_i = innerflux[i]
outerf = totalflux_i - innerflux_i
outerflux.append(outerf)
outerflux_i = outerflux[i]
if outerflux_i < 0:
outer_mag = 100
else:
outer_mag = -2.5*(math.log10(outerflux_i))-48.6
outerm.append(outer_mag)
#calculate decomposed light
totalmag_gal = []
totalmag_qso = []
totalf_qso = []
totalf_gal=[]
for i in range(len(total)):
outermag = outerm[i]
innermag = innerm[i]
magtype = 'u'
z90 = (total['petroR90_z'])[i]
z50 = (total['petroR50_z'])[i]
zconc = z90/z50
if magtype == 'u':
A = 13.702
B = 0.343
C = -3.536
D = 2.390
E = -0.448
F = 0.022
G = 1.152
H = 0.874
if magtype == 'g' :
A = 11.805
B = 0.394
C = -4.167
D = 2.609
E = -0.435
F = 0.020
G = 3.446
H = 0.729
if magtype == 'r' :
A = 9.856
B = 0.486
C = -4.674
D = 2.973
E = -0.509
F = 0.024
G = 1.220
H = 0.862
if magtype == 'i':
A = 9.099
B = 0.520
C = -4.753
D = 3.039
E = -0.525
F = 0.025
G = 3.855
H = 0.707
if magtype == 'z':
A = 8.346
B = 0.559
C = -4.942
D = 3.203
E = -0.565
F = 0.027
G = 1.400
H = 0.855
c = -48.6
outerflux = 10.0**(-0.4*(outermag - c))
innerflux = 10.0**(-0.4*(innermag - c))
x = 10.0**(-0.4*(A-c+(B*c)-C-(D*zconc)-(E*zconc**2) - (F*zconc**3)))
q = 10.0**(-0.4*(G-c+(H*c)))
loguess = 0
higuess = outerflux
count = 0
for count in range(0,99):
midguess = loguess + ((higuess-loguess)/2)
eqmid = (q*(midguess**H) + x*(outerflux-midguess)**B) - innerflux
if eqmid > 0 :
higuess = midguess
else:
loguess = midguess
count = count+1
if abs(eqmid) <= (10.0**-6)*midguess:
break
outerflux_qso = midguess
outermag_qso = -2.5*(math.log10(outerflux_qso)) + c
innerflux_qso = q*(outerflux_qso**H)
innermag_qso = -2.5*(math.log10(innerflux_qso)) + c
if outerflux - outerflux_qso<10**(-30):
outerflux_gal = 10**(-30)
else : outerflux_gal = outerflux-outerflux_qso
outermag_gal = -2.5*(math.log10(outerflux_gal)) + c
if outerflux > outerflux_qso :
innerflux_gal = x*(outerflux_gal**B)
else:
innerflux_gal = innerflux-innerflux_qso
innermag_gal = -2.5*(math.log10(innerflux_gal)) + c
cat = [innermag_qso, outermag_qso, innermag_gal, outermag_gal]
innerf_qso = 10**((innermag_qso+48.6)/-2.5)
outerf_qso = 10**((outermag_qso+48.6)/-2.5)
totalf_q = innerf_qso + outerf_qso
totalf_qso.append(totalf_q)
totalmag_q = -2.5*(math.log10(totalf_q)) - 48.6
totalmag_qso.append(totalmag_q)
innerf_gal = 10**((innermag_gal+48.6)/-2.5)
outerf_gal = 10**((outermag_gal+48.6)/-2.5)
totalf_g = innerf_gal + outerf_gal
totalf_gal.append(totalf_gal)
totalmag_g = -2.5*(math.log10(totalf_g)) - 48.6
totalmag_gal.append(totalmag_g)
#calculate distance luminosity
from cosmocalc import cosmocalc
pi = np.pi
theta =(1.5/3600.0)*(2.0*pi)/(360.0)
angulard = []
distancel = []
radius = []
quasarlum = []
quasarlum1=[]
lquaslum = []
n=0
for i in range(len(total)):
z_i = (total['redshift'])[i]
d_L = cosmocalc(z_i)
angulard.append(d_L['DA_cm'])
distancel.append(d_L['DL_cm'])
DA_i= angulard[i]
dL_i = distancel[i]
qsof_i = totalf_qso[i]
r = theta*DA_i
radius.append(r)
qlum =(qsof_i)*((4*pi)*((dL_i)**2))
quasarlum.append(qlum)
if quasarlum[i]>0:
quasarlum1.append(quasarlum[i])
else:
quasarlum1.append(10**20)
n = n+1
logql = math.log10(quasarlum1[i])
lquaslum.append(logql)
#total scattered light
zmax = 10*(3.08567758 * 10**21)
Lscat = 0
deltaz = (zmax)/10000
Niter = 10000
totlscat = []
fscat = []
for j in range(len(total)):
quasarlum_j = quasarlum[j]
radius_j = radius[j]
for i in range(1,Niter):
z_i = deltaz*i
Lscat = Lscat + (quasarlum_j*radius_j*deltaz)/((radius_j)**2+(z_i)**2)
totlscat.append(Lscat)
lscat_j = totlscat[j]
dl_j = distancel[j]
Fs = (0.1*lscat_j)/(4*pi*(dl_j)**2)
fscat.append(Fs)
#deltam by difference and sum
deltamd = []
deltams = []
for i in range(len(total)):
totalfgal_i = totalf_gal[i]
fscat_i = fscat[i]
if fscat_i>totalfgal_i:
dmd = -5
else:
dmd = -2.5*(math.log10((totalfgal_i/(totalfgal_i-fscat_i))))
dms = -2.5*(math.log10((totalfgal_i + fscat_i)/totalfgal_i))
deltams.append(dms)
deltamd.append(dmd)