change default LALInference flow from 40 to 20 Hz

Original: 03d0047c832cf4c7858c4685ea4802c82e03ff39

lalapps/src/inspiral/posterior/lalinference_pipe_example.ini

@@ -192,8 +192,8 @@ channels={'H1':'H1:LDAS-STRAIN','L1':'L1:LDAS-STRAIN','V1':'V1:h_16384Hz'}
 #fake-cache={'H1':'LALSimAdLIGO','L1':'LALSimAdLIGO','V1':'LALSimAdVirgo'}
 
 # fLow can be used to specify the low frequency cutoff for each detector
-# Default is 40 Hz
-# flow = {'H1':40,'L1':40,'V1':40}
+# Default is 20 Hz
+# flow = {'H1':20,'L1':20,'V1':20}
 
 #####################################################################################
 [engine]

lalinference/python/lalinference/lalinference_pipe_utils.py

@@ -75,7 +75,7 @@ class Event():
 
 dummyCacheNames=['LALLIGO','LALVirgo','LALAdLIGO','LALAdVirgo']
 
-def readLValert(threshold_snr=None,gid=None,flow=40.0,gracedb="gracedb",basepath="./",downloadpsd=True,roq=False):
+def readLValert(threshold_snr=None,gid=None,flow=20.0,gracedb="gracedb",basepath="./",downloadpsd=True,roq=False):
   """
   Parse LV alert file, containing coinc, sngl, coinc_event_map.
   and create a list of Events as input for pipeline
@@ -963,7 +963,7 @@ class LALInferencePipelineDAG(pipeline.CondorDAG):
     # LVAlert CoincInspiral Table
     if self.config.has_option('input','gid'):
       gid=self.config.get('input','gid')
-      flow=40.0
+      flow=20.0
       if self.config.has_option('lalinference','flow'):
         flow=min(ast.literal_eval(self.config.get('lalinference','flow')).values())
       downloadgracedbpsd=True
@@ -1372,7 +1372,7 @@ class LALInferencePipelineDAG(pipeline.CondorDAG):
         node.psds=get_xml_psds(psdpath,ifos,os.path.join(self.basepath,'PSDs'),end_time=None)
         prenode.psds=get_xml_psds(psdpath,ifos,os.path.join(self.basepath,'PSDs'),end_time=None)
     for ifo in ifos:
-      prenode.flows[ifo]=str(40.0)
+      prenode.flows[ifo]=str(20.0)
     if self.config.has_option('lalinference','flow'):
       node.flows=ast.literal_eval(self.config.get('lalinference','flow'))
       prenode.flows=ast.literal_eval(self.config.get('lalinference','flow'))