def test_collect(ra, dec, unix, Nspec):
alt, az = get_altaz(ra, dec)
leuTel = ugradio.leusch.LeuschTelescope()
spec = leuschner.Spectrometer('10.0.1.2')
leuTel.point(alt, az)
currentAlt, currentAz = leuTel.get_pointing()
print('alt: {} , az: {}'.format(currentAlt, currentAz))
spec.read_spec('{}_{}_{}.fits'.format(unix, ra, dec), Nspec, (ra, dec),
'eq')
def calibrate():
#connect to equipment
LeuschTelescope = ugradio.leusch.LeuschTelescope()
spec = leuschner.Spectrometer('10.0.1.2')
agilent = ugradio.agilent.SynthDirect()
#LO = ugradio.agilent.SynthClient(host='127.0.0.1')
#get coordinates
alt, az = get_coords(120, 0)
LeuschTelescope.point(alt, az)
agilent.set_frequency(636.25, 'MHz')
spec.check_connected()
spec.read_spec('Calibrateupper.fits', 20, (120, 0), 'ga')
def collect_data(ra, dec, unix, Nspectra, dt, fileName, fitName, noise=False):
"""
This code assumes that you have already found the conversion between galactic coordinates
ra: array of RA's (ra corresponds to a different galactic coordinate)
dec: array of DEC's (dec corresponds to a different galactic coordinate)
unix: start time for what we are observing
Nsepctra: number of spectra to collect for each point
dt: time to stay at each point
noise: bool, default False, if True we collect noise data
"""
with open('{}'.format(fileName), 'w') as pointFile:
pointFile.write('{}'.format('agilent'))
alt, az = get_altaz(ra[0],
dec[0],
jd=uni_to_jul(unix),
lat=37.9183,
lon=-122.1067,
alt=304)
LeuschTelescope.point(alt, az)
print(LeuschTelescope.get_pointing())
if noise:
ugradio.leusch.LeuschNoise()
LeuschNoise.on()
ugradio.agilent.SynthClient(host='127.0.0.1')
pointFile.write('{}'.format(SynthClient.get_frequency()))
#initialize spectrometer thing
leuschner.Spectrometer('10.0.1.2')
for r, d in zip(ra, dec):
obsv_time = uni_to_jul(time.time())
alt, az = get_altaz(ra[0],
dec[0],
jd=obsv_time,
lat=37.9183,
lon=-122.1067,
alt=304)
LeuschTelescope.point(alt, az)
currentAlt, currentAz = leusch.get_pointing()
print('alt: {} , az: {}'.format(currentAlt, currentAz))
Spectrometer.read_spec('{}_{}_r_d.fits'.format(unix, fitName),
Nspec, (r, d), 'eq')
from astropy.coordinates import SkyCoord
import astropy.units as u
from astropy.coordinates import Galactic
l = 120
b = 0
gal = Galactic(l*u.degree,b*u.degree)
eq = gal.transform_to(ICRS)
_jd = ugradio.timing.julian_date()
alt,az = ugradio.coord.get_altaz(6.45083114, 62.72572675 ,_jd,leo.lat,leo.lon,leo.alt,equinox='J2019')
''' Read spectrometer '''
spec = leuschner.Spectrometer('10.0.1.2') #instantiates an interface to the spectrometer at the specified IP address.
#spec.int_time #tells you how long each spectrum is integrated for
'''Take data '''
'''Will read N spectra and store the output in a FITS file, writing the ra/dec coordinates into the header of the file. Note that this does not point the telescope; it just documents where it is pointed in the file. '''
#spec.read_spec('_test_.fits', N, (ra, dec), 'eq')
#e.g. spec.read_spec('compas.fits',10,(50,60),'eq')
#spec.check_connected() #allows you to check that you are ready to take data
''' Open your Data'''
#f = pyfits.open('test.fits')
#f[0].header
# f[1].data['auto0_real'] #returns the first spectrum for the first polarization
def collect_data(ra, dec, unix, Nspec, fileName):
"""
This code assumes that you have already found the conversion between galactic coordinates
ra: array of RA's (ra corresponds to a different galactic coordinate)
dec: array of DEC's (dec corresponds to a different galactic coordinate)
unix: start time for what we are observing
Nsepctra: number of spectra to collect for each point
dt: time to stay at each point
noise: bool, default False, if True we collect noise data
"""
with open('{}'.format(fileName), 'w') as pointFile:
pointFile.write('{}\t{}\t{}\t{}\t{}\n'.format('recording', 'noise',
'agilent', 'alt', 'az'))
# initialize telescope
leuTel = ugradio.leusch.LeuschTelescope()
#alt, az = get_altaz(ra[0],dec[0],jd =uni_to_jul(unix), lat=37.9183, lon=-122.1067, alt =304)
#leuTel.point(alt,az)
#print("we are pointing at alt: {}, az: {}".format(leuTel.get_pointing()[0],leuTel.get_pointing()[1]))
ag = ugradio.agilent.SynthDirect()
#pointFile.write('{}\t'.format(ag.get_frequency()))
#initialize spectrometer thing
spec = leuschner.Spectrometer('10.0.1.2')
# initialize noise thing
leuNoise = ugradio.leusch.LeuschNoise()
leuNoise.off()
noise = 1 # this will be printed and means noise is off
ct = 1
for r, d in zip(ra, dec):
obsv_time = uni_to_jul(time.time())
alt, az = get_altaz(r,
d,
jd=obsv_time,
lat=37.9183,
lon=-122.1067,
alt=304)
record = 0
if alt < 15 or alt > 85 or az < 5 or az > 355:
record = 1 # we are not recording this point
pointFile.write('{}\t{}\t{}\t{}\t{}\n'.format(
record, 00, 00, r, d))
continue
if ct % 10 == 0:
leuNoise.on()
ag.set_frequency(635,
'MHz') # need to choose what number we want
noise = 0 # 0 if noise is on
if ct % 20 == 0:
leuNoise.off()
noise = 1 # 1 if noise is off
ag.set_frequency(636, 'MHz') # need to choose number here
leuTel.point(alt, az)
currentAlt, currentAz = leuTel.get_pointing()
pointFile.write('{}\t{}\t{}\t{}\t{}\n'.format(
record, noise, ag.get_frequency(), currentAlt, currentAz))
spec.read_spec('{}_{}_{}.fits'.format(obsv_time, r, d), Nspec,
(r, d), 'eq')
ct += 1
from __future__ import print_function
import sys
if sys.version_info > (3, 0):
# this script must run as python2
import os, subprocess
absref = os.path.realpath(__file__)
cmd = ['python2', absref] + sys.argv[1:]
subprocess.run(cmd)
sys.exit(0)
import leuschner
function = sys.argv[1]
ip = sys.argv[2]
sp = leuschner.Spectrometer(ip)
if function == "cc":
sp.check_connected()
if function == "rs":
filename = sys.argv[3]
nspec = int(sys.argv[4])
coords = eval(sys.argv[5])
system = sys.argv[6]
sp.read_spec(filename, nspec, coords, system)
if function == "it":
print(sp.int_time)
sys.exit(0)
system = header['COORDSYS']
# Extract coordinates
if system == 'ga':
lon = header['L']
lat = header['B']
coords = (lat, lon)
elif system == 'eq':
ra = header['RA']
dec = header['DEC']
coords = (ra, dec)
else:
print 'ERROR: Invalid coordinate system:', system
sys.exit(1)
obs_hdu.close()
return (nspec, coords, system)
if __name__ == '__main__':
usage = 'Usage: python2 leuschner_rx.py obs_attr.fits outfile.fits'
assert len(sys.argv) == 3, usage
obsfile = sys.argv[1]
outfile = sys.argv[2]
nspec, coords, system = unpack_attr(obsfile)
spec = leuschner.Spectrometer('10.0.1.2')
spec.check_connected()
spec.init_spec()
spec.read_spec(outfile, nspec, coords, system)
sys.exit(0)
'--num-integ',
type=int,
default=500,
help='Number of integrations to plot at a time.')
parser.add_argument('-s',
'--spec',
default='wide',
help='Which spectrometer to use (wide, spec, dbg)')
args = parser.parse_args()
# Let's get this party started. :)
if args.spec == 'wide':
spec = lspec.Wideband(args.ip)
elif args.spec == 'spec':
spec = lspec.Spectrometer(args.ip)
elif args.spec == 'dbg':
spec = SpecDBG(args.ip)
else:
raise ValueError('Invalid spectrometer mode.')
spec.check_connected()
if not spec.check_running():
spec.init_spec()
#spec.spec_props(args.bandwidth)
# Get the bram name to read from
if 'auto' in args.antenna:
bram_name = 'spec_' + args.antenna + '_real'
else:
print 'Too lazy to do cross-correlation phase...'
sys.exit()
