esas

arches/arches/config.py

@@ -5,9 +5,10 @@ good=['0862470801','0862470701','0862470601']
 """ The angular size of an XMM DETXY physical coordinate system is 0.05 arcseconds """
 det_pix_as=0.05
 
-arches_ra=266.4604208
-arches_dec=-28.8244444
-arches_Rmax_as=40
+""" Arches core R=15 arcsec """
+arches_ra=266.4595833
+arches_dec=-28.8219444
+arches_Rmax_as=15
 
 pn_threshold = 0.2
 mos_threshold=[0.2,0.3]

arches/arches/utils.py

@@ -33,6 +33,24 @@ import shutil
 
 from arches.config import *
 
+def test_exe(program):
+    """ Tests if executable exists in PATH """
+    import os
+    def is_exe(fpath):
+        return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
+
+    fpath, fname = os.path.split(program)
+    if fpath:
+        if is_exe(program):
+            return program
+    else:
+        for path in os.environ["PATH"].split(os.pathsep):
+            exe_file = os.path.join(path, program)
+            if is_exe(exe_file):
+                return exe_file
+
+    print("\n*** Command {} not found ***\n".format(program))
+    sys.exit()
 
 def create_folder(folder):
     if not (os.path.exists(folder)):
@@ -157,7 +175,7 @@ def get_det_coords(ra,dec,image,key):
                 dety=float(dy)
     return detx,dety
 
-def run_mosspectra(key,ccds,check=False):
+def run_mosspectra(key,ccds,check=True):
 
     eventfile = f'{key}-allevc.fits'
     
@@ -182,10 +200,11 @@ def run_mosspectra(key,ccds,check=False):
                   'ximagemax=19500','yimagemax=19500', 'ximagemin=-19499', 'yimagemin=-19499',]
         w('evselect', inargs).run()
     
-        d = pyds9.DS9()
-        d.set("file "+unfilt_image)
-        d.set('cmap bb')
-        d.set('scale log')
+        #d = pyds9.DS9()
+        #d.set("file "+unfilt_image)
+        #d.set('cmap bb')
+        #d.set('scale log')
+        #return
     
     
     inargs = [f'eventfile={eventfile}',
@@ -204,7 +223,7 @@ def run_mosspectra(key,ccds,check=False):
 
     w('mosspectra', inargs).run()
 
-def run_pnspectra(key,quads,check=False):
+def run_pnspectra(key,quads,check=True):
     eventfile = f'{key}-allevc.fits'
 
     (detx,dety)=get_det_coords(arches_ra,arches_dec,f'{key}-fovimt.fits',key)
@@ -228,10 +247,11 @@ def run_pnspectra(key,quads,check=False):
                   'ximagemax=19500','yimagemax=19500', 'ximagemin=-19499', 'yimagemin=-19499',]
         w('evselect', inargs).run()
     
-        d = pyds9.DS9()
-        d.set("file "+unfilt_image)
-        d.set('cmap bb')
-        d.set('scale log')
+        #d = pyds9.DS9()
+        #d.set("file "+unfilt_image)
+        #d.set('cmap bb')
+        #d.set('scale log')
+        #return
     
     inargs = [f'eventfile={key}-allevc.fits',
               'withsrcrem=yes',
@@ -268,3 +288,37 @@ def run_pnback(key,quads):
               f'quads="{quads}"',]
 
     w('pnback', inargs).run()
+
+def group_spectrum(key=None, group_min=25, oot=False):
+    if not (key):
+        print("Provide key= parameter, e.g. mos1S001")
+        return
+    
+    test_exe('grppha')
+    specfile=f'{key}-fovt.pi' if not (oot) else f'{key}-fovtootsub.pi'
+    backfile=f'{key}-bkg.pi'
+    respfile=f'{key}.rmf'
+    ancrfile=f'{key}.arf'
+    fout=f'{specfile}.grp'
+    
+    cmd=["grppha",
+         "infile={}".format(specfile), 
+         "outfile={}".format(fout),
+         f"comm=\'chkey BACKFILE {backfile} & chkey RESPFILE {respfile} & chkey ANCRFILE {ancrfile} & GROUP MIN {group_min}\'",
+         "tempc=EXIT",
+         "clobber=yes",
+         "chatter=0", # with chatter <= 5 being very  quite and chatter >= 20 very verbose.
+             ]
+    print((" ").join(cmd))
+    os.system((" ").join(cmd))
+    
+    fxcm = open(fout.replace("grp","xcm"), "w")
+    fxcm.write(f'data {fout}\n')
+    fxcm.write('ign **-2.\n')
+    fxcm.write('ign 11.-**\n')
+    fxcm.write('ign bad\n')
+    fxcm.write('cpd /xs\n')
+    fxcm.write('setpl en\n')
+    fxcm.write('@../../data/xspec/wabs_apec_cflux.xcm\n')
+    fxcm.write('pl lda delchi\n')
+    fxcm.close()