Complement to IX/55

Details of the 4 detections of 3XMM-DR8 #200839601010001

(See Detailed column explanations)

Parameter #1#2#3#4Unit
DETID 103024805010001 103024804010001 103024806010001 100839601010001  
SRCID 200839601010001  
DR3SRCID 128272  
DR3DETID 167335 167336 167338 167337  
DR3DETDIST 4.96289e-01 4.63221e-01 5.62822e-01 2.14943e-01 arcsec
DR3SRCDIST 4.41202e-01 arcsec
DR3MULT 4  
DR4SRCID 10268  
DR4DETID 341822 341823 341824 341825  
DR4DETDIST 0.00000e+00 arcsec
DR4SRCDIST 1.86757e-05 arcsec
DR4MULT 4  
IAUNAME 3XMM J135303.4+691829  
SRC_NUM 1  
OBS_ID 0302480501 0302480401 0302480601 0083960101  
REVOLUT 1088 1087 1089 0441 orbit
MJD_START 5.3691739583333299e+04 5.3689746261574102e+04 5.3693985231481500e+04 5.2401467835648102e+04 d
MJD_STOP 5.3692426782407398e+04 5.3690433229166701e+04 5.3694396550925900e+04 5.2401815891203703e+04 d
OBS_CLASS 3  
PN_FILTER UNDEF UNDEF UNDEF Medium  
M1_FILTER Thin1 Thin1 Thin1 Medium  
M2_FILTER Medium  
PN_SUBMODE UNDEFINED UNDEFINED UNDEFINED PrimeFullWindow  
M1_SUBMODE FastUncompressed FastUncompressed FastUncompressed PrimeFullWindow  
M2_SUBMODE PrimeFullWindow  
RA 2.0826428176681000e+02 2.0826431849904000e+02 2.0826440649053001e+02 2.0826463126166999e+02 deg
DEC 6.9308211908719002e+01 6.9308285043552999e+01 6.9308195244933003e+01 6.9308156232646994e+01 deg
POSERR 3.35807e-01 6.14848e-01 4.18160e-01 5.27196e-01 arcsec
LII 1.1504103570133999e+02 1.1504153613990999e+02 1.1504125086930000e+02 1.1504092007568001e+02 deg
BII 4.6864788429922001e+01 4.6864385340689999e+01 4.6864914027443000e+01 4.6864717847008002e+01 deg
RADEC_ERR 1.76091e-02 1.82556e-02 2.45923e-02 1.59239e-02 arcsec
SYSERRCC 3.35345e-01 6.14577e-01 4.17436e-01 5.26955e-01 arcsec
REFCAT 3  
POSCOROK T  
RA_UNC 2.0826513484413999e+02 2.0826462068466000e+02 2.0826462126549001e+02 2.0826541385393000e+02 deg
DEC_UNC 6.9308045134072003e+01 6.9308541673069001e+01 6.9307978154891003e+01 6.9308084025504002e+01 deg
CCDPN 4  
PN_RAWX 37  
PN_RAWY 191  
CCDM1 1  
M1_RAWX 309 306 308 318  
M1_RAWY 295 294 293 291  
CCDM2 1  
M2_RAWX 298 299 300 302  
M2_RAWY 299 296 298 307  
EP_1_FLUX 5.11137e-12 6.10315e-12 5.47014e-12 5.02475e-12 erg/cm2/s
EP_1_FLUX_ERR 2.84092e-14 3.21351e-14 3.96700e-14 1.88446e-14 erg/cm2/s
EP_2_FLUX 7.06679e-12 8.11577e-12 7.46965e-12 5.83099e-12 erg/cm2/s
EP_2_FLUX_ERR 3.07052e-14 3.40692e-14 4.52869e-14 2.04680e-14 erg/cm2/s
EP_3_FLUX 7.50853e-12 8.29787e-12 7.62243e-12 5.87358e-12 erg/cm2/s
EP_3_FLUX_ERR 3.04368e-14 3.35342e-14 3.97226e-14 2.09605e-14 erg/cm2/s
EP_4_FLUX 1.01035e-11 1.08044e-11 9.99471e-12 7.39577e-12 erg/cm2/s
EP_4_FLUX_ERR 5.57265e-14 6.19150e-14 7.84526e-14 3.98645e-14 erg/cm2/s
EP_5_FLUX 1.52901e-11 1.59493e-11 1.45995e-11 1.01474e-11 erg/cm2/s
EP_5_FLUX_ERR 1.56602e-13 1.68002e-13 2.12037e-13 9.63533e-14 erg/cm2/s
EP_8_FLUX 4.50803e-11 4.92705e-11 4.51565e-11 3.42827e-11 erg/cm2/s
EP_8_FLUX_ERR 1.74086e-13 1.88085e-13 2.37312e-13 1.10348e-13 erg/cm2/s
EP_9_FLUX 2.51411e-11 2.79497e-11 2.57284e-11 2.03785e-11 erg/cm2/s
EP_9_FLUX_ERR 5.79240e-14 6.73513e-14 9.11605e-14 4.59617e-14 erg/cm2/s
PN_1_FLUX 5.04188e-12 erg/cm2/s
PN_1_FLUX_ERR 2.38925e-14 erg/cm2/s
PN_2_FLUX 5.74255e-12 erg/cm2/s
PN_2_FLUX_ERR 2.68063e-14 erg/cm2/s
PN_3_FLUX 5.83670e-12 erg/cm2/s
PN_3_FLUX_ERR 3.08270e-14 erg/cm2/s
PN_4_FLUX 7.38072e-12 erg/cm2/s
PN_4_FLUX_ERR 6.07570e-14 erg/cm2/s
PN_5_FLUX 9.95163e-12 erg/cm2/s
PN_5_FLUX_ERR 1.31592e-13 erg/cm2/s
PN_8_FLUX 3.39535e-11 erg/cm2/s
PN_8_FLUX_ERR 1.52471e-13 erg/cm2/s
PN_9_FLUX 2.07699e-11 erg/cm2/s
PN_9_FLUX_ERR 6.64816e-14 erg/cm2/s
M1_1_FLUX 4.86270e-12 erg/cm2/s
M1_1_FLUX_ERR 4.31907e-14 erg/cm2/s
M1_2_FLUX 5.94898e-12 erg/cm2/s
M1_2_FLUX_ERR 4.54612e-14 erg/cm2/s
M1_3_FLUX 5.87327e-12 erg/cm2/s
M1_3_FLUX_ERR 4.10996e-14 erg/cm2/s
M1_4_FLUX 7.45757e-12 erg/cm2/s
M1_4_FLUX_ERR 7.62475e-14 erg/cm2/s
M1_5_FLUX 1.03985e-11 erg/cm2/s
M1_5_FLUX_ERR 2.05279e-13 erg/cm2/s
M1_8_FLUX 3.45411e-11 erg/cm2/s
M1_8_FLUX_ERR 2.31461e-13 erg/cm2/s
M1_9_FLUX 2.00398e-11 erg/cm2/s
M1_9_FLUX_ERR 9.05379e-14 erg/cm2/s
M2_1_FLUX 5.11137e-12 6.10315e-12 5.47014e-12 5.13242e-12 erg/cm2/s
M2_1_FLUX_ERR 2.84092e-14 3.21351e-14 3.96700e-14 4.35143e-14 erg/cm2/s
M2_2_FLUX 7.06679e-12 8.11577e-12 7.46965e-12 5.96001e-12 erg/cm2/s
M2_2_FLUX_ERR 3.07052e-14 3.40692e-14 4.52869e-14 4.42164e-14 erg/cm2/s
M2_3_FLUX 7.50853e-12 8.29787e-12 7.62243e-12 5.93528e-12 erg/cm2/s
M2_3_FLUX_ERR 3.04368e-14 3.35342e-14 3.97226e-14 3.97832e-14 erg/cm2/s
M2_4_FLUX 1.01035e-11 1.08044e-11 9.99471e-12 7.36062e-12 erg/cm2/s
M2_4_FLUX_ERR 5.57265e-14 6.19150e-14 7.84526e-14 7.32547e-14 erg/cm2/s
M2_5_FLUX 1.52901e-11 1.59493e-11 1.45995e-11 1.03511e-11 erg/cm2/s
M2_5_FLUX_ERR 1.56602e-13 1.68002e-13 2.12037e-13 1.95244e-13 erg/cm2/s
M2_8_FLUX 4.50803e-11 4.92705e-11 4.51565e-11 3.47395e-11 erg/cm2/s
M2_8_FLUX_ERR 1.74086e-13 1.88085e-13 2.37312e-13 2.21173e-13 erg/cm2/s
M2_9_FLUX 2.51411e-11 2.79497e-11 2.57284e-11 2.00011e-11 erg/cm2/s
M2_9_FLUX_ERR 5.79240e-14 6.73513e-14 9.11605e-14 8.93963e-14 erg/cm2/s
EP_8_RATE 4.46680e+00 5.01690e+00 4.59460e+00 2.14148e+01 count/s
EP_8_RATE_ERR 1.02936e-02 1.14152e-02 1.42642e-02 4.20580e-02 count/s
EP_9_RATE 3.42773e+00 3.81067e+00 3.50781e+00 1.47130e+01 count/s
EP_9_RATE_ERR 7.89735e-03 9.18267e-03 1.24288e-02 3.43374e-02 count/s
PN_1_RATE 4.21985e+00 count/s
PN_1_RATE_ERR 1.99971e-02 count/s
PN_2_RATE 4.51830e+00 count/s
PN_2_RATE_ERR 2.10915e-02 count/s
PN_3_RATE 3.36620e+00 count/s
PN_3_RATE_ERR 1.77789e-02 count/s
PN_4_RATE 1.42374e+00 count/s
PN_4_RATE_ERR 1.17200e-02 count/s
PN_5_RATE 5.73612e-01 count/s
PN_5_RATE_ERR 7.58494e-03 count/s
PN_8_RATE 1.41017e+01 count/s
PN_8_RATE_ERR 3.68200e-02 count/s
PN_9_RATE 9.26381e+00 count/s
PN_9_RATE_ERR 2.96521e-02 count/s
M1_1_RATE 7.41951e-01 count/s
M1_1_RATE_ERR 6.59003e-03 count/s
M1_2_RATE 1.00978e+00 count/s
M1_2_RATE_ERR 7.71658e-03 count/s
M1_3_RATE 1.17806e+00 count/s
M1_3_RATE_ERR 8.24376e-03 count/s
M1_4_RATE 5.43806e-01 count/s
M1_4_RATE_ERR 5.55997e-03 count/s
M1_5_RATE 1.50883e-01 count/s
M1_5_RATE_ERR 2.97859e-03 count/s
M1_8_RATE 3.62448e+00 count/s
M1_8_RATE_ERR 1.45162e-02 count/s
M1_9_RATE 2.72221e+00 count/s
M1_9_RATE_ERR 1.22987e-02 count/s
M2_1_RATE 7.78104e-01 9.29083e-01 8.32720e-01 7.81308e-01 count/s
M2_1_RATE_ERR 4.32474e-03 4.89193e-03 6.03896e-03 6.62418e-03 count/s
M2_2_RATE 1.20715e+00 1.38634e+00 1.27597e+00 1.01809e+00 count/s
M2_2_RATE_ERR 5.24506e-03 5.81970e-03 7.73590e-03 7.55304e-03 count/s
M2_3_RATE 1.50764e+00 1.66613e+00 1.53051e+00 1.19175e+00 count/s
M2_3_RATE_ERR 6.11141e-03 6.73333e-03 7.97591e-03 7.98807e-03 count/s
M2_4_RATE 7.40889e-01 7.92289e-01 7.32912e-01 5.39755e-01 count/s
M2_4_RATE_ERR 4.08642e-03 4.54023e-03 5.75293e-03 5.37176e-03 count/s
M2_5_RATE 2.33021e-01 2.43067e-01 2.22497e-01 1.57751e-01 count/s
M2_5_RATE_ERR 2.38661e-03 2.56034e-03 3.23144e-03 2.97552e-03 count/s
M2_8_RATE 4.46680e+00 5.01690e+00 4.59460e+00 3.68865e+00 count/s
M2_8_RATE_ERR 1.02936e-02 1.14152e-02 1.42642e-02 1.42284e-02 count/s
M2_9_RATE 3.42773e+00 3.81067e+00 3.50781e+00 2.72694e+00 count/s
M2_9_RATE_ERR 7.89735e-03 9.18267e-03 1.24288e-02 1.21883e-02 count/s
EP_8_CTS 1.95031e+05 1.99927e+05 1.06413e+05 2.89648e+05 count
EP_8_CTS_ERR 4.49441e+02 4.54903e+02 3.30355e+02 5.51116e+02 count
PN_8_CTS 1.52872e+05 count
PN_8_CTS_ERR 3.99147e+02 count
M1_8_CTS 6.63572e+04 count
M1_8_CTS_ERR 2.65762e+02 count
M2_8_CTS 1.95031e+05 1.99927e+05 1.06413e+05 7.04188e+04 count
M2_8_CTS_ERR 4.49441e+02 4.54903e+02 3.30355e+02 2.71627e+02 count
EP_8_DET_ML 1.19430e+06 1.21624e+06 6.25356e+05 1.47355e+06  
EP_9_DET_ML 9.32509e+05 9.47013e+05 4.86752e+05 1.05440e+06  
PN_1_DET_ML 1.98043e+05  
PN_2_DET_ML 2.12461e+05  
PN_3_DET_ML 1.59809e+05  
PN_4_DET_ML 6.63291e+04  
PN_5_DET_ML 2.41509e+04  
PN_8_DET_ML 0.00000e+00 0.00000e+00 0.00000e+00 6.60790e+05  
PN_9_DET_ML 0.00000e+00 0.00000e+00 0.00000e+00 4.37842e+05  
M1_1_DET_ML 7.77032e+04  
M1_2_DET_ML 1.16141e+05  
M1_3_DET_ML 1.32604e+05  
M1_4_DET_ML 5.75308e+04  
M1_5_DET_ML 1.24935e+04  
M1_8_DET_ML 3.96469e+05  
M1_9_DET_ML 3.03309e+05  
M2_1_DET_ML 2.06526e+05 2.15738e+05 1.11029e+05 8.72195e+04  
M2_2_DET_ML 3.38737e+05 3.54363e+05 1.79574e+05 1.18227e+05  
M2_3_DET_ML 4.03870e+05 4.08274e+05 2.15831e+05 1.38032e+05  
M2_4_DET_ML 1.97077e+05 1.92457e+05 9.63521e+04 5.93658e+04  
M2_5_DET_ML 4.80971e+04 4.54101e+04 2.25723e+04 1.34521e+04  
M2_8_DET_ML 1.19430e+06 1.21624e+06 6.25356e+05 4.16293e+05  
M2_9_DET_ML 9.32509e+05 9.47013e+05 4.86752e+05 3.13242e+05  
EP_EXTENT 0.00000e+00 arcsec
EP_EXTENT_ERR arcsec
EP_EXTENT_ML 0.00000e+00  
EP_HR1 2.16116e-01 1.97482e-01 2.10201e-01 7.84143e-02  
EP_HR1_ERR 3.36267e-03 3.23567e-03 4.51743e-03 2.54992e-03  
EP_HR2 1.10686e-01 9.16612e-02 9.06980e-02 -3.82034e-02  
EP_HR2_ERR 2.93475e-03 2.88904e-03 3.96445e-03 2.48245e-03  
EP_HR3 -3.41000e-01 -3.55448e-01 -3.52385e-01 -3.87491e-01  
EP_HR3_ERR 3.02451e-03 3.06313e-03 4.12593e-03 2.74723e-03  
EP_HR4 -5.21474e-01 -5.30467e-01 -5.34237e-01 -5.02911e-01  
EP_HR4_ERR 4.23470e-03 4.30853e-03 5.89858e-03 4.08138e-03  
PN_HR1 3.41542e-02  
PN_HR1_ERR 3.32203e-03  
PN_HR2 -1.46122e-01  
PN_HR2_ERR 3.44915e-03  
PN_HR3 -4.05529e-01  
PN_HR3_ERR 4.08604e-03  
PN_HR4 -4.25628e-01  
PN_HR4_ERR 6.37717e-03  
M1_HR1 1.52894e-01  
M1_HR1_ERR 5.72155e-03  
M1_HR2 7.69168e-02  
M1_HR2_ERR 5.15023e-03  
M1_HR3 -3.68353e-01  
M1_HR3_ERR 5.35426e-03  
M1_HR4 -5.65611e-01  
M1_HR4_ERR 7.55969e-03  
M2_HR1 2.16116e-01 1.97482e-01 2.10201e-01 1.31589e-01  
M2_HR1_ERR 3.36267e-03 3.23567e-03 4.51743e-03 5.53543e-03  
M2_HR2 1.10686e-01 9.16612e-02 9.06980e-02 7.85836e-02  
M2_HR2_ERR 2.93475e-03 2.88904e-03 3.96445e-03 4.96831e-03  
M2_HR3 -3.41000e-01 -3.55448e-01 -3.52385e-01 -3.76547e-01  
M2_HR3_ERR 3.02451e-03 3.06313e-03 4.12593e-03 5.14883e-03  
M2_HR4 -5.21474e-01 -5.30467e-01 -5.34237e-01 -5.47670e-01  
M2_HR4_ERR 4.23470e-03 4.30853e-03 5.89858e-03 7.46493e-03  
PN_1_EXP 1.08408e+04 s
PN_2_EXP 1.08425e+04 s
PN_3_EXP 1.08477e+04 s
PN_4_EXP 1.08480e+04 s
PN_5_EXP 1.07652e+04 s
M1_1_EXP 1.83071e+04 s
M1_2_EXP 1.83082e+04 s
M1_3_EXP 1.83100e+04 s
M1_4_EXP 1.83083e+04 s
M1_5_EXP 1.82957e+04 s
M2_1_EXP 4.36652e+04 3.98479e+04 2.31607e+04 1.90952e+04 s
M2_2_EXP 4.36757e+04 3.98577e+04 2.31658e+04 1.90983e+04 s
M2_3_EXP 4.36990e+04 3.98790e+04 2.31772e+04 1.91058e+04 s
M2_4_EXP 4.36767e+04 3.98638e+04 2.31670e+04 1.90924e+04 s
M2_5_EXP 4.33023e+04 3.95861e+04 2.29929e+04 1.88992e+04 s
PN_1_BG 2.51553e+00 count/pixel
PN_2_BG 2.75877e+00 count/pixel
PN_3_BG 2.07272e+00 count/pixel
PN_4_BG 9.53846e-01 count/pixel
PN_5_BG 5.19201e-01 count/pixel
M1_1_BG 5.76040e-02 count/pixel
M1_2_BG 5.08307e-02 count/pixel
M1_3_BG 8.46873e-02 count/pixel
M1_4_BG 6.37620e-02 count/pixel
M1_5_BG 8.94654e-02 count/pixel
M2_1_BG 9.69103e-02 1.28426e-01 7.56201e-02 6.72137e-02 count/pixel
M2_2_BG 1.22544e-01 1.20776e-01 9.81586e-02 7.80195e-02 count/pixel
M2_3_BG 2.43886e-01 2.22722e-01 1.32800e-01 1.05916e-01 count/pixel
M2_4_BG 1.47405e-01 1.38976e-01 1.19971e-01 8.05673e-02 count/pixel
M2_5_BG 2.20740e-01 2.08470e-01 1.61806e-01 9.21340e-02 count/pixel
PN_1_VIG 9.82634e-01  
PN_2_VIG 9.82607e-01  
PN_3_VIG 9.82626e-01  
PN_4_VIG 9.81937e-01  
PN_5_VIG 9.71483e-01  
M1_1_VIG 9.98493e-01  
M1_2_VIG 9.98494e-01  
M1_3_VIG 9.98493e-01  
M1_4_VIG 9.98495e-01  
M1_5_VIG 9.98203e-01  
M2_1_VIG 9.89496e-01 9.90732e-01 9.89701e-01 9.85342e-01  
M2_2_VIG 9.89457e-01 9.90696e-01 9.89664e-01 9.85300e-01  
M2_3_VIG 9.89483e-01 9.90720e-01 9.89689e-01 9.85328e-01  
M2_4_VIG 9.88850e-01 9.90153e-01 9.89087e-01 9.84562e-01  
M2_5_VIG 9.78681e-01 9.80976e-01 9.79425e-01 9.72359e-01  
PN_ONTIME 1.23524e+04 s
M1_ONTIME 1.85822e+04 s
M2_ONTIME 4.48734e+04 4.08642e+04 2.37458e+04 1.95936e+04 s
EP_ONTIME 4.48734e+04 4.08642e+04 2.37458e+04 1.95936e+04 s
PN_OFFAX 1.14013e+00 arcmin
M1_OFFAX 1.04683e-01 6.06313e-02 6.96872e-02 2.30319e-01 arcmin
M2_OFFAX 1.14234e+00 1.08734e+00 1.11289e+00 1.25520e+00 arcmin
EP_OFFAX 1.04683e-01 6.06313e-02 6.96872e-02 2.30319e-01 arcmin
PN_MASKFRAC 9.81350e-01  
M1_MASKFRAC 9.88545e-01  
M2_MASKFRAC 9.84625e-01 9.84364e-01 9.85048e-01 9.87382e-01  
DIST_NN 6.65602e+01 8.66377e+01 6.37499e+01 2.36540e+01 arcsec
SUM_FLAG 1  
EP_FLAG FFTFFFFFFTFF FFFFFFFFFTFF FFTFFFFFFTFF FFTFFFFFFTFF  
PN_FLAG       FFTFFFFFFTFF  
M1_FLAG FFFFFFFFFFFF FFFFFFFFFFFF FFFFFFFFFFFF FFTFFFFFFTFF  
M2_FLAG FFTFFFFFFTFF FFFFFFFFFTFF FFTFFFFFFTFF FFTFFFFFFTFF  
TSERIES T  
SPECTRA T  
EP_CHI2PROB 9.7510290145874001e-01 9.9775129556655895e-01 5.3247356414794900e-01 8.6589574813842796e-01  
PN_CHI2PROB 9.9975258111953702e-01  
M1_CHI2PROB 8.6589574813842796e-01  
M2_CHI2PROB 9.7510290145874001e-01 9.9775129556655895e-01 5.3247356414794900e-01 9.7561931610107400e-01  
PN_FVAR  
PN_FVARERR  
M1_FVAR  
M1_FVARERR  
M2_FVAR  
M2_FVARERR  
VAR_FLAG F  
VAR_EXP_ID S002 S002 S002 S001  
VAR_INST_ID M2 M2 M2 M1  
SC_RA 2.0826438104268701e+02 deg
SC_DEC 6.9308207004238596e+01 deg
SC_POSERR 2.19106e-01 arcsec
SC_DET_ML 1.47355e+06  
SC_EP_1_FLUX 5.27827e-12 erg/cm2/s
SC_EP_1_FLUX_ERR 1.32935e-14 erg/cm2/s
SC_EP_2_FLUX 6.68119e-12 erg/cm2/s
SC_EP_2_FLUX_ERR 1.44386e-14 erg/cm2/s
SC_EP_3_FLUX 6.90441e-12 erg/cm2/s
SC_EP_3_FLUX_ERR 1.43170e-14 erg/cm2/s
SC_EP_4_FLUX 8.98414e-12 erg/cm2/s
SC_EP_4_FLUX_ERR 2.69718e-14 erg/cm2/s
SC_EP_5_FLUX 1.26420e-11 erg/cm2/s
SC_EP_5_FLUX_ERR 6.96461e-14 erg/cm2/s
SC_EP_8_FLUX 4.03210e-11 erg/cm2/s
SC_EP_8_FLUX_ERR 7.87756e-14 erg/cm2/s
SC_EP_9_FLUX 2.37343e-11 erg/cm2/s
SC_EP_9_FLUX_ERR 2.99852e-14 erg/cm2/s
SC_HR1 1.56005e-01  
SC_HR1_ERR 1.60799e-03  
SC_HR2 5.06803e-02  
SC_HR2_ERR 1.47152e-03  
SC_HR3 -3.61555e-01  
SC_HR3_ERR 1.56722e-03  
SC_HR4 -5.20148e-01  
SC_HR4_ERR 2.24503e-03  
SC_EXTENT 0.00000e+00 arcsec
SC_EXT_ML 0.00000e+00  
SC_CHI2PROB 5.3247356414794900e-01  
SC_FVAR  
SC_FVARERR  
SC_VAR_FLAG F  
SC_SUM_FLAG 1  
SC_EP_8_FMIN 3.42827e-11 erg/cm2/s
SC_EP_8_FMIN_ERR 1.10348e-13 erg/cm2/s
SC_EP_8_FMAX 4.92705e-11 erg/cm2/s
SC_EP_8_FMAX_ERR 1.88085e-13 erg/cm2/s
MJD_FIRST 5.2401467835648102e+04 d
MJD_LAST 5.3694396550925900e+04 d
N_DETECTIONS 4  
CONFUSED F  
HIGH_BACKGROUND F