Unique source parameters (31 columns)
The column naming has changed as compared to
2XMMp.
- SC_RA (D)
[deg]
The mean Right Ascension in degrees (J2000) of all the detections of
the source SRCID (see RA) weighted by the positional errors
POSERR.
The errors used in the weighting have changed as compared to
2XMMp.
SC_DEC (D)
[deg]
The mean Declination in degrees (J2000) of all the detections of the
source SRCID (see DEC) weighted by the positional errors
POSERR.
The errors used in the weighting have changed as compared to
2XMMp.
SC_POSERR (E) [arcsec]
The error of the weighted mean position given in SC_RA and SC_DEC in arseconds (see Sec. 3.2.4 for
details).
SC_EP_1_FLUX (E)
[erg/cm**2/s]
The mean band 1 flux (0.2 - 0.5 keV) of all the
detections of the source SRCID (see
EP_1_FLUX) weighted by the
errors (EP_1_FLUX_ERR), in
erg/cm2/s.]
This column was not given in 2XMMp.
SC_EP_1_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 1 flux in SC_EP_1_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_EP_2_FLUX (E)
[erg/cm**2/s]
The mean band 2 flux (0.5 - 1.0 keV) of all the
detections of the source SRCID (see
EP_2_FLUX) weighted by the
errors (EP_2_FLUX_ERR), in
erg/cm2/s.
This column was not given in 2XMMp.
SC_EP_2_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 2 flux in SC_EP_2_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_EP_3_FLUX (E)
[erg/cm**2/s]
The mean band 3 flux (1.0 - 2.0 keV) of all the
detections of the source SRCID (see
EP_3_FLUX) weighted by the
errors (EP_3_FLUX_ERR), in
erg/cm2/s.
This column was not given in 2XMMp.
SC_EP_3_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 3 flux in SC_EP_3_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_EP_4_FLUX (E)
[erg/cm**2/s]
The mean band 4 flux (2.0 - 4.5 keV) of all the
detections of the source SRCID (see
EP_4_FLUX) weighted by the
errors (EP_4_FLUX_ERR), in
erg/cm2/s.
This column was not given in 2XMMp.
This column was wrong in versions &le 1.1 of the
2XMM catalogue. See the
description; also Sec. 6.
SC_EP_4_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 4 flux in SC_EP_4_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_EP_5_FLUX (E)
[erg/cm**2/s]
The mean band 5 flux (4.5 - 12 keV) of all the
detections of the source SRCID (see
EP_5_FLUX) weighted by the
errors (EP_5_FLUX_ERR), in
erg/cm2/s.
This column was not given in 2XMMp.
SC_EP_5_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 5 flux in SC_EP_5_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_EP_8_FLUX (E)
[erg/cm**2/s]
The mean total band flux (0.2 - 12 keV) of all the
detections of the source SRCID (see
EP_8_FLUX) weighted by the
errors (EP_8_FLUX_ERR), in
erg/cm2/s.
SC_EP_8_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean total band flux in SC_EP_8_FLUX (see Sec. 3.2.4 for
details).
SC_EP_9_FLUX (E)
[erg/cm**2/s]
The mean band 9 flux (0.5 - 4.5 keV) of all the
detections of the source SRCID (see
EP_9_FLUX) weighted by the
errors (EP_9_FLUX_ERR), in
erg/cm2/s.
This column was not given in 2XMMp.
SC_EP_9_FLUX_ERR (E) [erg/cm**2/s]
Error on the weighted mean band 9 flux in SC_EP_9_FLUX (see Sec. 3.2.4 for
details).
This column was not given in 2XMMp.
SC_HR1
(E)
The mean hardness ratio of the bands 1 and 2 of all the detections
of the source SRCID (EP_HR1) weighted by the errors(EP_HR1_ERR).
SC_HR1_ERR (E)
Error on the weighted mean hardness ratio in SC_HR1 (see Sec. 3.2.4 for
details).
SC_HR2
(E)
The mean hardness ratio of the bands 2 and 3 of all the detections
of the source SRCID (EP_HR2) weighted by the errors(EP_HR2_ERR).
SC_HR2_ERR (E)
Error on the weighted mean hardness ratio in SC_HR2 (see Sec. 3.2.4 for
details).
SC_HR3
(E)
The mean hardness ratio of the bands 3 and 4 of all the detections
of the source SRCID (EP_HR3) weighted by the errors(EP_HR3_ERR).
SC_HR3_ERR (E)
Error on the weighted mean hardness ratio in SC_HR3 (see Sec. 3.2.4 for
details).
SC_HR4
(E)
The mean hardness ratio of the bands 4 and 5 of all the detections
of the source SRCID (EP_HR4) weighted by the errors(EP_HR4_ERR).
SC_HR4_ERR (E)
Error on the weighted mean hardness ratio in SC_HR4 (see Sec. 3.2.4 for
details).
SC_DET_ML
(E)
The total band detection likelihood of the source
SRCID is the maximum of the
likelihoods of all detections of this source (EP_8_DET_ML).
SC_EXT_ML
(E)
The total band detection likelihood of the extended
source SRCID is the average of
the extent likelihoods of all detections of this source (EP_EXTENT_ML).
SC_CHI2PROB (E)
The χ2 probability (based on the null hypothesis) that
the unique source SRCID as detected
by any of the observations is constant, that is, the minimum value of
the EPIC probabilities in each detection, EP_CHI2PROB, is given.
This column was not given in 2XMMp.
SC_VAR_FLAG (L)
The variability flag for the unique source SRCID is set to VAR_FLAG of the most variable detection of
this source.
This column was not given in 2XMMp.
SC_SUM_FLAG (J)
The summary flag for the unique source SRCID is taken to be the worst flag of all
detections of this source (SUM_FLAG).
There are additional values as compared to 2XMMp.
N_DETECTIONS (J)
The number of detections of the unique source SRCID used to derive the combined
values.