Commit aecc16e0 authored by LUSTIG Peter's avatar LUSTIG Peter
Browse files

added file for detectons in real map

parent 02d0f213
import numpy as np
from nikamap import NikaMap, Jackknife, NikaBeam
import matplotlib.pyplot as plt
from pathlib import Path
import astropy.units as u
from import HDUList, PrimaryHDU, BinTableHDU
from picklesave import LoadObject
detection_threshold = 3.5
band = '2mm'
fwhm_beam = 11.2 * u.arcsec
if band == '2mm':
fwhm_beam = 17.7 * u.arcsec
fname = '../map_newrealisation_{}.pkl'.format(band)
realmap = LoadObject(fname)
# create new beam
newbeam = NikaBeam(fwhm=fwhm_beam, pixel_scale=realmap._pixel_scale)
realmap.beam = newbeam
std = realmap.check_SNR()
realmap.uncertainty.array *= std
nm_mf = realmap.match_filter(realmap.beam)
std = nm_mf.check_SNR()
nm_mf.uncertainty.array *= std
realmap.phot_sources(sources=nm_mf.sources, peak=False, psf=True)
hdul = HDUList([PrimaryHDU()])
hdu = BinTableHDU(data=realmap.sources, name='detected_sources')
hdu.header['band'] = band
hdu.header['fwhm_beam'] = '{}'.format(fwhm_beam)
hdu.header['detection_threshold'] = detection_threshold
# hdu.header['parity_threshold'] = parity_threshold
hdul.writeto('NewrealisationSources_{}_threshold{}.fits'.format(band, detection_threshold), overwrite=True)
# realmap.sources.write()
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