-
Notifications
You must be signed in to change notification settings - Fork 0
/
psa819_v008.py
237 lines (223 loc) · 9.84 KB
/
psa819_v008.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
''' This is a calibration file for data collected at PAPER in Karoo, South Africa
on JD 2455819 '''
import aipy as a, numpy as n,glob,ephem
import bm_prms as bm
#import generic_catalog
#import logging
prms = {
'loc': ('-30:43:17.5', '21:25:41.9'), # KAT, SA (GPS)
'antpos':{
0:[147.659407413, 336.269469733, 264.566180759],
1:[-120.566931266, -270.142735412, -201.208899961],
2:[175.483874,-282.046474,309.593714],
3:[-24.5939776529, -369.022493234, -35.9049669793],
#--------------------------------------------------------
4:[-135.977107,-65.373043,-223.715356],
5:[-184.222167454, 60.9256169154, -307.675312464],
6:[84.568610,-397.906007,151.703088],
7:[60.9037241018, 422.222408268, 116.124879563],
#--------------------------------------------------------
8:[148.405177,-231.475974,263.305593],
9:[-121.15655,-329.37685,-197.06224],
10:[-28.800063,-420.849441,-43.564604],
11:[-180.112865,-190.297251,-301.062917],
#--------------------------------------------------------
12:[161.032208592, 207.530151484, 286.703007713],
13:[-79.830818,266.416356,-122.828467],
14:[90.491568,406.666552,171.303074],
15:[136.833937217,-349.10409, 256.16691],
#========================================================
16:[75.008275,-366.663944,135.807286],
17:[-170.082246,113.392564,-280.090332],
18:[-173.308984588, -52.5844630491, -289.495946419],
19:[35.6156894023, -76.4247822222, 68.8003235664],
#-------------------------------------------------------
20:[ 223.405495506, -111.371927382, 391.352958368],
21:[ 211.984088554, -181.820834933, 372.672243377],
22:[-52.9274701935, -409.284993158, -84.1268196632],
23:[-75.327786,379.129646,-113.829018],
#--------------------------------------------------------
24:[-90.374808,3.548977,-144.207995],
25:[-23.653561,-153.921245,-31.289596],
26:[208.418197,189.287085,370.725255],
27:[-22.2282015089, 311.926612877, -26.8228657991],
#--------------------------------------------------------
28:[-18.1453146192, 166.083642242, -21.2052534495],
29:[89.6597220746, -22.1294190136, 162.698139384],
30:[-139.053365,312.917932,-223.870462],
31:[229.945829,48.161862,406.414507],
#--------------------------------------------------------
32:[-112.893563,109.228967,-182.880941],
33:[121.355347,-319.429590,209.575748],
34:[-1.186004,298.790781,-1.572735],
35:[-150.754218,-224.460782,-258.594058],
#--------------------------------------------------------
36:[-148.166345,285.390149,-254.152706],
37:[73.704070,-378.161280,127.753480],
38:[183.238623,145.046381,314.997386],
39:[201.110057,270.608943,345.388038],
#--------------------------------------------------------
40:[-187.753175,101.634584,-322.330703],
41:[32.859445,-311.361270,57.492402],
42:[111.791791,-360.752264,193.124569],
43:[185.296482,12.473870,318.948404],
#--------------------------------------------------------
44:[66.840886,269.989165,115.139909],
45:[208.327549,-181.024029,358.713760],
46:[222.401981,114.559981,382.329808],
47:[82.998742,-157.005822,143.375763],
#-------------------------------------------------------
48:[-123.364050,7.568406,-211.391982],
49:[42.324815,-394.596554,73.800150],
50:[155.428104,103.981800,267.545140],
51:[4.002712,454.858259,7.086482],
#-------------------------------------------------------
52:[40.840441,382.998141,70.689703],
53:[228.948582,78.038958,393.662509],
54:[208.232148,171.396294,357.761446],
55:[22.162702,221.120016,38.449461],
#--------------------------------------------------------
56:[-85.962903,360.456826,-147.018238],
57:[-22.182170,447.517664,-37.585541],
58:[-40.132905,-349.207661,-68.174661],
59:[-38.864384,362.866457,-66.270033],
#--------------------------------------------------------
60:[134.062901,401.074665,230.468279],
61:[-81.496611,-277.174777,-139.301327],
62:[-161.608043,226.512058,-277.243397],
63:[155.0510,-323.9710,288.9414],
},
'delays': {
0 : {'x': -0.556, 'y': 3.554},
1 : {'x': -0.474, 'y': 0.001},
2 : {'x': -6.993, 'y': -6.830},
3 : {'x': -0.741, 'y': -0.207},
4 : {'x': -9.821, 'y':-12.876},
5 : {'x': 5.374, 'y': 4.804},
6 : {'x':-10.835, 'y':-14.388},
7 : {'x': 3.101, 'y': 3.790},
8 : {'x': -8.603, 'y': -8.814},
9 : {'x': -0.061, 'y': 3.357},
10 : {'x':-13.863, 'y':-14.429},
11 : {'x':-15.116, 'y':-15.593},
12 : {'x': -5.685, 'y': -6.590},
13 : {'x':-13.523, 'y':-13.095},
14 : {'x': -9.122, 'y':-13.898},
15 : {'x': 2.761, 'y': 3.919},
16 : {'x': 14.587, 'y': 15.185},
17 : {'x': -0.398, 'y': 3.943},
20 : {'x': 0.056, 'y': 0.423},
21 : {'x': -0.363, 'y': -0.041},
22 : {'x': 3.257, 'y': 1.353},
23 : {'x':-12.735, 'y':-11.782},
25 : {'x': -9.442, 'y':-11.594},
26 : {'x':-10.692, 'y':-13.392},
27 : {'x': 2.981, 'y': -1.705},
28 : {'x': 3.034, 'y': 2.202},
29 : {'x': 6.107, 'y': 2.315},
30 : {'x': -7.793, 'y': -8.253},
31 : {'x':-14.050, 'y':-12.730},
#63 : {'x':-14.943, 'y': 9.606},
},
'amps': {
0 : {'x': 16.518, 'y': 17.016},
1 : {'x': 19.835, 'y': 18.889},
2 : {'x': 15.451, 'y': 16.707},
3 : {'x': 20.527, 'y': 19.395},
4 : {'x': 20.891, 'y': 20.632},
5 : {'x': 20.419, 'y': 17.828},
6 : {'x': 16.816, 'y': 15.486},
7 : {'x': 14.993, 'y': 11.885},
8 : {'x': 16.660, 'y': 17.258},
9 : {'x': 18.331, 'y': 17.405},
10 : {'x': 18.703, 'y': 17.201},
11 : {'x': 16.567, 'y': 16.503},
12 : {'x': 20.657, 'y': 20.397},
13 : {'x': 20.062, 'y': 17.895},
14 : {'x': 17.471, 'y': 15.888},
15 : {'x': 20.457, 'y': 20.898},
16 : {'x': 18.612, 'y': 18.591},
17 : {'x': 20.454, 'y': 20.060},
20 : {'x': 19.135, 'y': 19.153},
21 : {'x': 19.470, 'y': 17.392},
22 : {'x': 17.140, 'y': 17.017},
23 : {'x': 18.893, 'y': 13.733},
25 : {'x': 16.133, 'y': 16.408},
26 : {'x': 15.482, 'y': 16.745},
27 : {'x': 13.521, 'y': 15.264},
28 : {'x': 21.927, 'y': 20.900},
29 : {'x': 22.011, 'y': 22.434},
30 : {'x': 14.884, 'y': 16.354},
31 : {'x': 20.767, 'y': 19.646},
#63 : {'x': 14.850, 'y': 16.580},
},
'off':{
},
'bp_r': n.array([-167333390752.98276, 198581623581.65594, -102487141227.4993, 30027423590.548084, -5459067124.669095, 630132740.98792362, -45056600.848056234, 1822654.0034047314, -31892.9279846797]) * 1.0178**0.5,
}
def get_aa(freqs):
'''Return the AntennaArray to be used for simulation.'''
location = prms['loc']
antennas = []
nants = len(prms['antpos'])
for i in prms['antpos'].keys():
beam = bm.prms['beam'](freqs,nside=32,lmax=20,mmax=20,deg=7)
try: beam.set_params(bm.prms['bm_prms'])
except(AttributeError): pass
pos = prms['antpos'][i]
try: dly = prms['delays'][i]
except(KeyError): dly = {'x':0.,'y':0.}
try: off = prms['off'][i]
except(KeyError): off = {'x':0.,'y':0.}
bp_r = {'x':prms['bp_r'],'y':prms['bp_r']}
bp_i = {'x':[0.],'y':[0.]}
try: amp=prms['amps'][i]
except(KeyError): amp = {'x':20.,'y':20.}
phsoff = {'x':[dly['x'],off['x']],'y':[dly['y'],off['y']]}
antennas.append(
a.pol.Antenna(pos[0],pos[1],pos[2], beam, phsoff=phsoff, amp=amp, bp_r = bp_r,bp_i=bp_i, lat=prms['loc'][0])
)
aa = a.pol.AntennaArray(prms['loc'], antennas)
return aa
src_prms = {
'pic' :{'jys': 357.,'ra':'5:19:49.70','dec':'-45:46.45.0','mfreq':0.150,'index':-2.19},
#NVSS positions
'forA':{'jys': 301.,'ra':0.8807,'dec':-0.6480,'mfreq':0.150,'index':-1.273},
'forB':{'jys': 182.,'ra':0.8904,'dec':-0.6504,'mfreq':0.150,'index':-1.066},
'J0445-23':{'jys':50.,'ra':'4:45:43','dec':'-28:05:56','mfreq':0.150,'index':-1.},
#'J0522-36':{'jys':96.,'ra':'5:23:43','dec':'-36:22:48','mfreq':0.150,'index':-1.},
#'J0625-53':{'jys':60.,'ra':'6:25:11','dec':'-53:39:31','mfreq':0.150,'index':-1.},
}
def get_catalog(srcs=None, cutoff=None, catalogs=['helm','misc']):
'''Return a catalog containing the listed sources.'''
specials = ['pic','forA','forB','J0445-23','J0522-36','J0625-53']
srclist =[]
for c in catalogs:
this_srcs = generic_catalog.get_srcs(srcs=srcs,
cutoff=cutoff,catalogs=[c])
if len(this_srcs)==0:
tcat = a.src.get_catalog(srcs=srcs,
cutoff=cutoff, catalogs=[c])
srclist += [tcat[src] for src in tcat]
else: srclist += this_srcs
cat = a.fit.SrcCatalog(srclist)
#Add specials. All fixed radio sources must be in catalog, for completeness
if not srcs is None:
for src in srcs:
if src in src_prms.keys():
if src in specials:
cat[src] = a.fit.RadioFixedBody(**src_prms[src])
return cat
if __name__=='__main__':
import sys, numpy as n
if len(sys.argv)>1:
print "loading catalog: ",sys.argv[1]
cat = get_catalog(catalogs=[sys.argv[1]])
names = [cat[src].src_name for src in cat]
print "loaded",len(names)," sources"
flx = [cat[src]._jys for src in cat]
print names
print "brightest source in catalog"
print names[flx.index(n.max(flx))],n.max(flx)
try: assert([cat[src].e_S_nu for src in cat])
except(AttributeError): print "this catalog does not have flux errors"