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limit number of galaxies to 1000, configured in gal_catalog_config.ini #10

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limit number of galaxies to 1000, configured in gal_catalog_config.ini #10

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a2a6e47
limit number of galaxies to 1000, configured in gal_catalog_config.ini
moira-andrews Nov 12, 2025
626e1fe
updated variable names
moira-andrews Nov 17, 2025
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2 changes: 1 addition & 1 deletion gal_catalog_config.ini
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ CREDZONE = 0.5
NSIGMAS_IN_D = 3
COMPLETENESSP = 0.5
MINGALAXIES = 100
NGALAXIES = 10000
NGALAXIES = 1000
MINL = 1e40 ; expected min luminosity of event in r-band
MAXL = 1e42 ; expected max luminosity of event in r-band
SENSITIVITY = 22 ; LCO limiting magnitude in r-band
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22 changes: 11 additions & 11 deletions src/gwtm_cron/gwtm_listener/find_galaxies.py
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Expand Up @@ -45,7 +45,7 @@ def generate_galaxy_list(eventlocalization: EventLocalization, galaxy_config_pat
minL = float(galaxy_config.get('GALAXIES', 'MINL')) # Estimated brightest KN luminosity
maxL = float(galaxy_config.get('GALAXIES', 'MAXL')) # Estimated faintest KN luminosity
sensitivity = float(galaxy_config.get('GALAXIES', 'SENSITIVITY')) # Estimatest faintest app mag we can see
#ngalaxtoshow = int(galaxy_config.get('GALAXIES', 'NGALAXIES')) # Number of galaxies to show
ngalaxtoshow = int(galaxy_config.get('GALAXIES', 'NGALAXIES')) # Number of galaxies to show

mindistFactor = float(galaxy_config.get('GALAXIES', 'MINDISTFACTOR')) #reflecting a small chance that the theory is comletely wrong and we can still see something

Expand Down Expand Up @@ -163,25 +163,25 @@ def generate_galaxy_list(eventlocalization: EventLocalization, galaxy_config_pat
distanceFactor[absolute_sensitivity>maxL] = mindistFactor

# Sorting glaxies by probability
ii = np.argsort(p*massNorm*distanceFactor,kind="mergesort")[::-1]
sorted_gal_ind = np.argsort(p*massNorm*distanceFactor,kind="mergesort")[::-1]

####counting galaxies that constitute 50% of the probability(~0.5*0.98)
summ = 0
galaxies50per = 0
sum_seen = 0
while summ<0.5:
if galaxies50per>= len(ii):
if galaxies50per>= len(sorted_gal_ind):
break
summ = summ + (p[ii[galaxies50per]]*massNorm[ii[galaxies50per]])/float(normalization)
sum_seen = sum_seen + (p[ii[galaxies50per]]*massNorm[ii[galaxies50per]]*distanceFactor[ii[galaxies50per]])/float(normalization)
summ = summ + (p[sorted_gal_ind[galaxies50per]]*massNorm[sorted_gal_ind[galaxies50per]])/float(normalization)
sum_seen = sum_seen + (p[sorted_gal_ind[galaxies50per]]*massNorm[sorted_gal_ind[galaxies50per]]*distanceFactor[sorted_gal_ind[galaxies50per]])/float(normalization)
galaxies50per = galaxies50per+1

#if want to limit by number of galaxies in .ini file

# if len(ii) > ngalaxtoshow:
# n = ngalaxtoshow
# else:
# n = len(ii)
if len(sorted_gal_ind) > ngalaxtoshow:
list_length = ngalaxtoshow
else:
list_length = len(sorted_gal_ind)

score=(p * massNorm / normalization)
ra=galaxies['ra']
Expand All @@ -192,9 +192,9 @@ def generate_galaxy_list(eventlocalization: EventLocalization, galaxy_config_pat

print('INFO: Finished creating ranked galaxy list for EventLocalization {}'.format(eventlocalization))

iter = ii.tolist()
iter = sorted_gal_ind.tolist()
galaxy_list = []
for i in range(len(iter)):
for i in range(list_length):
ind = iter[i]
galaxy_list.append({
"ra":ra[ind],
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