Attachment 'NIKA2_Time_Estimator2.py'
Download 1 #!/usr/bin/env python
2 ##############################################################################################
3 ### Created by: P. Garcia ###
4 ### Revised by: A. Ritacco ###
5 ### Title: NIKA2_Time_Estimator.py ###
6 ### Purpose: Calculation of the total integration time for observing proposals ###
7 ### Creation Date: 2016.JULY.28 ###
8 ### Date of last revision: 2017.JAN.29 ###
9 ### Revision history: ###
10 ### - 2016.JULY.29: comments from C. Kramer & A. Sievers implemented ###
11 ### - 2016.AUG.03 : changed formula to N. Billot expression ###
12 ### - 2017.JAN.29 : - fpix set to 0.75 (commisi. results) ###
13 ### - NEFD0 @ 2 mm set to 15 mJy/sqrt(hz) (commisi. results) ###
14 ### - overhead set as used defined parameter between 1.5 - 2.0 ###
15 ### - 2017.JULY.28: - According to the NIKA2 technical paper submitted on July, 3rd 2017 ###
16 ### - fpix @1mm, 2mm set to 0.84 and 0.90, respectively ###
17 ### - NEFD0 @1mm, 2mm set to 20 and 6 mJy/sqrt(hz), respectively ###
18 ### - FWHM set to 11.2 @1mm and 17.7 @2mm ###
19 ### - 2017.SEPT.28 - An error in the data software led sensitivities too optimistics ###
20 ### - NEFD0 @1mm, 2mm set to 40 and 10 mJy/sqrt(hz), respectively ###
21 ##############################################################################################
22
23 import numpy as np, sys
24 import math
25 import sys
26 import os
27 os.system("rm -f *.py~")
28
29 #version = 'v 2017.JAN.29'
30 #version = 'v 2017.JULY.28'
31 version = 'v 2017.SEPT.28'
32
33
34 class bcolors:
35 HEADER = '\033[95m'
36 OKBLUE = '\033[94m'
37 OKGREEN = '\033[92m'
38 WARNING = '\033[93m'
39 FAIL = '\033[91m'
40 ENDC = '\033[0m'
41 BOLD = '\033[1m'
42 UNDERLINE = '\033[4m'
43
44 print ''
45 print bcolors.UNDERLINE + bcolors.HEADER + bcolors.BOLD + 'Time-estimator-NIKA2 '+version+' '+bcolors.ENDC
46 print ''
47 print bcolors.HEADER + bcolors.BOLD + ' See the "Guidelines for observing time estimates with the NIKA2 continuum camera' + bcolors.ENDC
48 print bcolors.HEADER + bcolors.BOLD + ' at the IRAM-30m Telescope" for details on used parameters and calculations.\n' + bcolors.ENDC
49
50 ################################
51 ##### CONVERSION FACTORS #######
52 ################################
53
54 ########## K_cmb ############
55 def b_v_cmb(freq,tcmb):
56 h = 6.626070040*10**(-34) # (J.s) Planck constant
57 k = 1.38064852*10**(-23) # (J/K) Boltzmann constant
58 c = 299792458 # (m/s^2) light speed
59 freq = freq*10**9 # Hz
60 bv = 1.0/(((2*h*freq**3)/((c**2)*(np.e**((h*freq)/(k*tcmb)) - 1)))*(np.e**((h*freq)/(k*tcmb))/(np.e**((h*freq)/(k*tcmb)) - 1))*(h*freq/(k*tcmb**2))) / 10**20
61 return bv
62
63 ########## Ysz ##############
64 def y_sz(freq,tcmb):
65 h = 6.626070040*10**(-34) # (J.s) Planck constant
66 k = 1.38064852*10**(-23) # (J/K) Boltzmann constant
67 c = 299792458 # (m/s^2) light speed
68 freq = freq*10**9 # Hz
69 Ysz = 1.0
70 bv = 1.0/(((2*h*freq**3)/((c**2)*(np.e**((h*freq)/(k*tcmb)) - 1)))*(np.e**((h*freq)/(k*tcmb))/(np.e**((h*freq)/(k*tcmb)) - 1))*(h*freq/(k*tcmb**2)))
71 bv = 1.0/bv
72 y_sz = (bv*tcmb)*(((h*freq/(k*tcmb))*((np.e**((h*freq)/(k*tcmb)) + 1)/(np.e**((h*freq)/(k*tcmb)) -1))) -4)*Ysz /10**(-20)
73 y_sz = 1.0/y_sz
74 return y_sz
75
76 #%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
77 #%%%%%%%%%%%%%%%%%%%%% FIXED GENERAL PARAMETERS %%%%%%%%%%%%%%%%%%%%%%
78 #%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
79
80 ################################################
81 ##### BEAM SIZES AND CONVERSION TO RADIANS #####
82 ################################################
83 res_band1_spec = 11.2 #From NIKA2 1st paper #MEMO # 12.0 # [arcsec]
84 res_band2_spec = 17.7 #From NIKA2 1st paper #MEMO # 20.0 # [arcsec]
85 teta_band1_spec = res_band1_spec*math.pi/180.0/3600.0 # in sr units
86 teta_band2_spec = res_band2_spec*math.pi/180.0/3600.0 # in sr units
87 area_teta_band1_spec = ((teta_band1_spec/2.0)**2)*math.pi # in sr units
88 area_teta_band2_spec = ((teta_band2_spec/2.0)**2)*math.pi # in sr units
89 ############################
90 ##### OTHER PARAMETERS #####
91 ############################
92 #fpix_spec = 0.75
93 fpix_spec_1mm = 0.84
94 fpix_spec_2mm = 0.90
95 bv_1 = 0.075 # band1, do not change
96 cv_1 = 0.001 # band1, do not change
97 bv_2 = 0.025 # band2, do not change
98 cv_2 = 0.001 # band2, do not change
99 tiempo = 1.0 # [hours]
100 FoV = 6.5 # [arcmin] diameter
101 FoVArea = ((FoV/2.0)**2)*math.pi # [arcmin^2]
102 narrays1 = 2
103 narrays2 = 1
104 verbose_flag = 0
105 #foverhead = 2.0 # value fixed for all proposals in 2016
106 ##########################################
107 ##### NEFDo VALUES FROM OBSERVATIONS #####
108 ##########################################
109 NEFD_band1_spec = 40 #Changed in Sept. 28 #From NIKA2 1st paper arXiv:1707.00908 #MEMO
110 NEFD_band2_spec = 10 #Changed in Sept. 28 #From NIKA2 1st paper arXiv:1707.00908 #comissioning results 2017
111
112 #######################################
113 ##### SAMPLING ANGULAR VELOCITIES #####
114 #######################################
115 sampl_vel_fast = 48.0 # [arcsec/second]
116 sampl_vel_mid = 24.0 # [arcsec/second]
117 sampl_vel_slow = 12.0 # [arcsec/second]
118 sampl_rate = 23.84 # [hz]
119 sampl_rate_pol = 2*23.84 # [hz]
120 slewing_loss = 1.0 # to account for slewing of single OTF line
121 ##########################################
122 ##########################################
123 ##########################################
124
125 rango = len(sys.argv)
126 for i in range(rango):
127
128 if sys.argv[i] == ("--help") or rango == 1:
129
130 print ' USAGE:\n'
131 print ' python NIKA2_Time_Estimator.py --help '
132 print ' python NIKA2_Time_Estimator.py --band 1 --rms 2.00 --pwv 2 --elevation 40 --Xsize 2 --Ysize 2 --filter 1.0 --overhead 1.5'
133 print ' python NIKA2_Time_Estimator.py --band 2 --rms 1.00 --pwv 4 --elevation 50 --Xsize 15 --Ysize 15 --filter 2.0 --overhead 2.0 --verbose '
134 print '\n'
135 print ' OPTIONS:\n'
136 print ' help => This help.'
137 print ' band => Set 1 or 2 for the 1 mm or the 2 mm bands, respectively.'
138 print ' rms => Wanted flux density per beam. Any value above the confusion limit in [mJy/beam].'
139 print ' pwv => Precipitable water vapor in [mm].'
140 print ' elevation => Values from 15 to < 83 [deg].'
141 print ' Xsize Ysize => Map lengths. Xsize and Ysize are in [arcmin]. Minimum map size is 2x2 [arcmin^2] for homogeneous RMS noise distribution.'
142 print ' filter => Factor for post-processing noise filtering. Values from 1.0 (point-like source) to 2.0 (extended bright emission).'
143 print ' overhead => Factor for telescope overheads between 1.5 and 2.0 (slewing, pointing, focusing, calibration), i.e. all telescope time which is not spend integrating on-source.'
144 print ' verbose => Set to get list of parameters used in the calculations, RMS noise unit conversion, and allowed OTF scan speeds.\n'
145 sys.exit()
146
147 if sys.argv[i] == ("--band"):
148 band = int(sys.argv[i+1])
149 if band == 1:
150 narrays = narrays1
151 mili = 1.2
152 if band == 2:
153 narrays = narrays2
154 mili = 2.0
155 if band < 1 or band > 2:
156 print ' %%%%%%%%%%%%%%%%%%%%%%%'
157 print bcolors.BOLD + bcolors.FAIL +' Band %2i is not defined.' % (band) + bcolors.ENDC
158 print ' %%%%%%%%%%%%%%%%%%%%%%%'
159 print ''
160 sys.exit()
161
162 if sys.argv[i] == ("--rms"):
163 rms = float(sys.argv[i+1])
164
165 if sys.argv[i] == ("--pwv"):
166 pwv = float(sys.argv[i+1])
167
168 if sys.argv[i] == ("--elevation"):
169 elevation = float(sys.argv[i+1])
170 if elevation < 15 or elevation > 83:
171 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
172 print bcolors.BOLD + bcolors.FAIL +' Elevation %3i [degrees] is outside the telescope`s limits: 15 - 83 [degrees].' % (elevation) + bcolors.ENDC
173 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
174 print ''
175 sys.exit()
176
177 if sys.argv[i] == ("--Xsize"):
178 dx = float(sys.argv[i+1])
179
180 if sys.argv[i] == ("--Ysize"):
181 dy = float(sys.argv[i+1])
182
183 if sys.argv[i] == ("--filter"):
184 filtering = float(sys.argv[i+1])
185 if filtering < 1 or filtering > 2:
186 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
187 print bcolors.BOLD + bcolors.FAIL +' Filter value %2.1f is outside the standard limits: 1.0 - 2.0' % (filtering) + bcolors.ENDC
188 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
189 print ''
190 sys.exit()
191
192 if sys.argv[i] == ("--overhead"):
193 foverhead = float(sys.argv[i+1])
194 if foverhead < 1.5 or foverhead > 2:
195 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
196 print bcolors.BOLD + bcolors.FAIL +' Overhead value %2.1f is outside the standard limits: 1.5 - 2.0' % (foverhead) + bcolors.ENDC
197 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
198 print ''
199 sys.exit()
200
201 if sys.argv[i] == ("--verbose"):
202 verbose_flag = 1
203
204 area_obs = dx*dy
205
206 if area_obs < 4.0:
207 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
208 print bcolors.BOLD + bcolors.FAIL +' Introduced map size is %3.1f [arcmin^2]. Minimum value is 4.0 [arcmin^2]' % (area_obs) + bcolors.ENDC
209 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
210 print ''
211 sys.exit()
212
213 ###############################################################################################
214 ### SIGMA ESTIMATION CALCULATION, EFFECTIVE NEFD FROM PWV GIVEN VALUES AND UNITS CONVERSION ###
215 ###############################################################################################
216
217 if band == 1:
218 tau = bv_1*pwv + cv_1
219 NEFD_spec_eff = NEFD_band1_spec*(np.e**(tau/np.sin(elevation*math.pi/180.)))
220 rms_point_MJy_spec = rms/area_teta_band1_spec/10**9
221 rms_point_cmb_spec = rms_point_MJy_spec*b_v_cmb(260,2.726)*10**6
222 rms_point_ys_spec = rms_point_MJy_spec*y_sz(260,2.726)*10**6
223 rms_point_ys_spec = np.abs(rms_point_ys_spec)
224 #########################################
225 ### ratio of areas with fraction of valid pixel in the 2mm band ###
226 #########################################
227 factor_area_spec = (1+(area_obs/(FoVArea*fpix_spec_1mm))) # from N. Billot Doc.
228 ##########################################################
229 ### Integration Time calculations for given conditions ###
230 ##########################################################
231 t_spec = ((NEFD_spec_eff*filtering/rms)**2)*factor_area_spec*(foverhead)/3600.0 #hours
232 s_map_spec = ((dx*dy)/(((NEFD_spec_eff*filtering)**2)*foverhead))*3600.0 # arcmin^2 / hour^-1/ mJy^-2
233 if band == 2:
234 tau = bv_2*pwv + cv_2
235 NEFD_spec_eff = NEFD_band2_spec*(np.e**(tau/np.sin(elevation*math.pi/180.)))
236 rms_point_MJy_spec = rms/area_teta_band2_spec/10**9
237 rms_point_cmb_spec = rms_point_MJy_spec*b_v_cmb(150,2.726)*10**6
238 rms_point_ys_spec = rms_point_MJy_spec*y_sz(150,2.726)*10**6
239 rms_point_ys_spec = np.abs(rms_point_ys_spec)
240 #########################################
241 ### ratio of areas with fraction of valid pixel in the 2mm band ###
242 #########################################
243 factor_area_spec = (1+(area_obs/(FoVArea*fpix_spec_2mm))) # from N. Billot Doc.
244 ##########################################################
245 ### Integration Time calculations for given conditions ###
246 ##########################################################
247 t_spec = ((NEFD_spec_eff*filtering/rms)**2)*factor_area_spec*(foverhead)/3600.0 #hours
248 s_map_spec = ((dx*dy)/(((NEFD_spec_eff*filtering)**2)*foverhead))*3600.0 # arcmin^2 / hour^-1/ mJy^-2
249
250 #########################################
251 #### TIME PER OTF LINE TO REACH TOTAL ###
252 #########################################
253
254 T_SLOW = slewing_loss*((dx*60.0)/sampl_vel_slow)/60.0 # [minutes]
255 T_MID = slewing_loss*((dx*60.0)/sampl_vel_mid)/60.0 # [minutes]
256 T_FAST = slewing_loss*((dx*60.0)/sampl_vel_fast)/60.0 # [minutes]
257
258 if verbose_flag == 1:
259
260 print ''
261 print '%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
262 print '%%%%%%%%%% General Parameters Used for the Calculations %%%%%%%%%%%'
263 print '%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
264 print ''
265 print '------------------------------------------------------------------------'
266 print '| Parameters | Band 1 (1.2 mm) | Band 2 (2.0 mm) |'
267 print '------------------------------------------------------------------------'
268 print '| opacity | %6.3fxpwv + %6.3f | %6.3fxpwv + %6.3f |' % (bv_1,cv_1,bv_2,cv_2)
269 print '------------------------------------------------------------------------'
270 print '| HPBW [arcsec] | %6.1f | %6.1f |' % (res_band1_spec,res_band2_spec)
271 print '------------------------------------------------------------------------'
272 print '| NEFDo [mJy.s^0.5] | %6.1f | %6.1f |' % (NEFD_band1_spec,NEFD_band2_spec)
273 print '------------------------------------------------------------------------'
274 print '| fpix | %6.2f | %6.2f |' % (fpix_spec_1mm, fpix_spec_2mm)
275 print '------------------------------------------------------------------------'
276 if band == 1:
277 print '| rms [mJy/beam] | %6.2f | |' % (rms)
278 if band == 2:
279 print '| rms [mJy/beam] | | %6.2f |' % (rms)
280 print '------------------------------------------------------------------------'
281 print '| FoV [arcmin] | %6.1f |' % (FoV)
282 print '------------------------------------------------------------------------'
283 print '| h-filtering | %6.2f |' % (filtering)
284 print '------------------------------------------------------------------------'
285 print '| h-overhead | %6.2f |' % (foverhead)
286 print '------------------------------------------------------------------------'
287 print '| OTF slow [arcsec/s] | %4i |' % (sampl_vel_slow)
288 print '------------------------------------------------------------------------'
289 print '| OTF mid [arcsec/s] | %4i |' % (sampl_vel_mid)
290 print '------------------------------------------------------------------------'
291 print '| OTF fast [arcsec/s] | %4i |' % (sampl_vel_fast)
292 print '------------------------------------------------------------------------'
293 print '| Dump [hz] | %6.2f |' % (sampl_rate)
294 print '------------------------------------------------------------------------'
295 print '| Dump POL [hz] | %6.2f |' % (sampl_rate_pol)
296 print '------------------------------------------------------------------------'
297 print ''
298
299 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
300 print ' %%%%%%%%%%%%%%%%% Units Conversion %%%%%%%%%%%%%%%%%'
301 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
302 print ''
303 print ' --------------------------------------------------------'
304 print ' | (User Defined) | Band %1i |' % (band)
305 print ' --------------------------------------------------------'
306 print ' |rms [mJy/beam] | %8.2f |' % (rms)
307 print ' --------------------------------------------------------'
308 print ' |rms point-like source [MJy/sr] | %6.2f |' % (rms_point_MJy_spec)
309 print ' |rms point-like source [K_CMB]x10^-6 | %5i |' % (rms_point_cmb_spec)
310 print ' |*rms point.like source [Ysz]x10^-6 | %5i |' % (rms_point_ys_spec)
311 print ' --------------------------------------------------------'
312 print ' |* for Ysz = 1.0 |'
313 print ' --------------------------------------------------------'
314 print ''
315
316
317 #############################
318 #### TABLE FINAL RESULTS ####
319 #############################
320
321 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
322 print ' %%%%%%%%%%%%%%%%%%%%%% Results %%%%%%%%%%%%%%%%%%%%%%'
323 print ' %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%'
324 print ''
325 print ' for: El = %2i (deg), PWV = %1i (mm), tau = %4.2f, rms = %6.2f' % (elevation,pwv,tau,rms)
326 print ' Area = %4.1f (arcmin^2), Filter = %4.1f, Overhead = %4.1f' % (area_obs,filtering,foverhead)
327 print ' ---------------------------------------------------------------'
328 print ' | (User Defined) | | |'
329 print ' ---------------------------------------------------------------'
330 print ' | Band | | %1i |' % (band)
331 print ' ---------------------------------------------------------------'
332 if band == 1:
333 print ' | Total Integration Time at 1mm | [hours] | %6.1f |' % (t_spec)
334 print ' ---------------------------------------------------------------'
335 print ' | Mapping speed | [arcmin^-2/hour/mJy^-2 ] | %6.1f |' % (s_map_spec)
336 if band == 2:
337 print ' | Total Integration Time at 2mm | [hours] | %6.1f |' % (t_spec)
338 print ' ---------------------------------------------------------------'
339 print ' | Mapping speed | [arcmin^-2/hour/mJy^-2 ] | %6.1f |' % (s_map_spec)
340 print ' ---------------------------------------------------------------'
341 print ' '
342
343 if verbose_flag == 1:
344
345 print bcolors.WARNING + ' WARNING1: For proposed maps taking longer than 40 minutes, the total'
346 print bcolors.WARNING + ' integration time should be split into several maps.\n' + bcolors.ENDC
347 print ' '
348 print bcolors.WARNING + ' WARNING2: Note that the confusion noise is not included in this Time'
349 print bcolors.WARNING + ' Estimator and it should be discussed in the proposal whether appro-'
350 print bcolors.WARNING + ' priate. The RMS noise does not decrease indefinitely with integra- '
351 print bcolors.WARNING + ' tion time but stops at the confusion limit caused by unresolved sour-'
352 print bcolors.WARNING + ' ces within the beam. The exact threshold at which the RMS noise '
353 print bcolors.WARNING + ' reaches the confusion limit will vary with wavelength, beam size, '
354 print bcolors.WARNING + ' and the type of astronomical source (Galactic or Extra-Galactic). For'
355 print bcolors.WARNING + ' instance, for the GOODS-N field (part of the Deep Field GT Proposal),'
356 print bcolors.WARNING + ' a preliminary 1 sigma confusion limit around ~ 0.090 mJy and ~ 0.056'
357 print bcolors.WARNING + ' mJy at 1.2 mm and 2.0 mm, respectively, has been estimated (A. Beelen,'
358 print bcolors.WARNING + ' private communication).\n' + bcolors.ENDC
359
360 print ' '
361 print ' Time per OTF line for allowed scanning speeds '
362 print ' -----------------------------------------------------'
363 print ' | | OTF Scan Velocity | TIME PER OTF LINE |'
364 print ' -----------------------------------------------------'
365 print ' | | [arcsec/s] | [minutes] |'
366 print ' -----------------------------------------------------'
367 print ' | OTF-SLOW | %6.1f | %6.2f |' % (sampl_vel_slow,T_SLOW)
368 print ' | OTF-MID | %6.1f | %6.2f |' % (sampl_vel_mid,T_MID)
369 print ' | OTF-FAST | %6.1f | %6.2f |' % (sampl_vel_fast,T_FAST)
370 print ' -----------------------------------------------------'
371 print ' '
372
373 ###############################
374 #### CONVERSION TO MINUTES ####
375 ###############################
376
377 if t_spec >= 1.:
378 time_str_spec=str(round(t_spec,1))+' hours'
379
380 if t_spec < 1. and t_spec >= 1./60.:
381 time_str_spec=str(round(t_spec*60,1))+' minutes'
382
383 if t_spec < 1./60. and t_spec >= 0.1/3600.:
384 time_str_spec=str(int(t_spec*3600))+' seconds'
385
386 if t_spec < 0.1/3600.:
387 time_str_spec='0.1 (seconds)'
388
389 slew_overhe = str(int((slewing_loss-1.0)*100.0))
390
391 ##############################
392 #### OUTPUT FINAL RESULTS ####
393 ##############################
394
395 print bcolors.HEADER + '**********************************************'
396 print '*** Total Integration Time => ' + time_str_spec + ' ***'
397 print '**********************************************\n'
398 print ''
399
400 print bcolors.HEADER + bcolors.UNDERLINE + 'Please include the following text into your proposal:\n' + bcolors.ENDC
401
402 print 'According to the specifications of the NIKA2 instrument, the total observing time using the NIKA2 '+str(band)+' mm band to map a region of '+str(round(area_obs,1))+' [arcmin^2] to reach an rms of '+str(rms)+' [mJy/beam], assuming '+str(pwv)+' [mm] pwv, '+str(elevation)+' [deg] elevation, Filter = '+str(filtering)+', Overhead = '+str(foverhead)+', was estimated to be *'+time_str_spec+'*, using the time estimator '+version+'.\n'
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