idx=idx)
dmexp = deterministic_signals.Deterministic(wf, name=name)
return dmexp
Tspan = 407576851.48121357
rn = red_noise_block(psd='powerlaw',
prior='log-uniform',
Tspan=Tspan,
components=30,
gamma_val=None)
gw = common_red_noise_block(psd='powerlaw',
prior='log-uniform',
Tspan=Tspan,
components=5,
gamma_val=4.3333)
sig = rn + gw
index = parameter.Uniform(0, 2)
ppta_dip = dm_exponential_dip(57450,
57560,
idx=index,
sign='negative',
name='exp2')
kwargs = copy.deepcopy(model_kwargs['0'])
kwargs.update({
'red_var': False,
'B1937+21',
'J0613-0200',
'J0645+5158',
'J1600-3053',
'J1614-2230',
'J1640+2224',
'J1713+0747',
'J1741+1351',
'J1744-1134',
'J2043+1711',]
# Set Tspan for RN
Tspan_PTA = model_utils.get_tspan(pkl_psrs)
# common red noise block
cs = blocks.common_red_noise_block(psd='powerlaw', prior='log-uniform', Tspan=Tspan_PTA,
components=5, gamma_val=4.33, name='gw')
gw = blocks.common_red_noise_block(psd='powerlaw', prior='log-uniform', Tspan=Tspan_PTA,
components=5, gamma_val=4.33, name='gw', orf='hd')
# intrinsic red noise
s = blocks.red_noise_block(prior='log-uniform', Tspan=Tspan_PTA, components=30)
# timing model
s += gp_signals.TimingModel()
# adding white-noise, separating out Adv Noise Psrs, and acting on psr objects
final_psrs = []
psr_models = []
### Add a stand alone SW deter model
n_earth = chrom.solar_wind.ACE_SWEPAM_Parameter()('n_earth')
deter_sw = chrom.solar_wind.solar_wind(n_earth=n_earth)
mean_sw = deterministic_signals.Deterministic(deter_sw, name='sw')
for psr in pkl_psrs:
# Filter out other Adv Noise Pulsars
sign_param = -1.0
wf = chrom.chrom_exp_decay(log10_Amp=log10_Amp_dmexp,
t0=t0_dmexp,
log10_tau=log10_tau_dmexp,
sign_param=sign_param,
idx=idx)
dmexp = deterministic_signals.Deterministic(wf, name=name)
return dmexp
# Set Tspan for RN
Tspan_PTA = model_utils.get_tspan(pkl_psrs)
# common red noise block
cs = blocks.common_red_noise_block(psd='powerlaw',
prior='log-uniform',
Tspan=Tspan_PTA,
components=args.n_gwbfreqs,
gamma_val=args.gamma_gw,
name='gw')
# gw = blocks.common_red_noise_block(psd='powerlaw', prior='log-uniform', Tspan=Tspan_PTA,
# components=5, gamma_val=4.33, name='gw', orf='hd')
# timing model
s = gp_signals.MarginalizingTimingModel()
# intrinsic red noise
s += blocks.red_noise_block(prior='log-uniform',
Tspan=Tspan_PTA,
components=30)
# adding white-noise, separating out Adv Noise Psrs, and acting on psr objects
final_psrs = []
psr_models = []
### Add a stand alone SW deter model
rn_plaw = blocks.red_noise_block(psd='powerlaw',
prior='log-uniform',
Tspan=Tspan,
components=30,
gamma_val=None)
rn_fs = blocks.red_noise_block(psd='spectrum',
prior='log-uniform',
Tspan=Tspan,
components=30,
gamma_val=None)
### GWB ###
gw = blocks.common_red_noise_block(psd='powerlaw',
prior='log-uniform',
Tspan=Tspan,
gamma_val=None,
name='gw')
base_model = tm + wn + gw
if args.bayes_ephem:
base_model += deterministic_signals.PhysicalEphemerisSignal(
use_epoch_toas=True)
model_plaw = base_model + rn_plaw
model_fs = base_model + rn_fs
model_list = []
noise = {}
for psr in psrs: