5XMM J004258.3-203713

5XMM-DR15 stacked source · SRCID 3004234020100002
Position: 00h42m58.36s -20d37m13.4s (10.74318°, -20.62038°)
EP flux
1.68e-13 ± 1.2e-14 erg cm-2 s-1
CLASSX
AGN (0.832)
Detections
2

SRCID 3004234020100002
IAUNAME 5XMM J004258.3-203713
SC_RA 00h42m58.36s (10.74318°)
SC_DEC -20d37m13.4s (-20.62038°)
RADEC_ERR 0.18 arcsec
LII / BII 105.9320° / -83.2110°
N_CONTRIB 2 (detections)
N_OBS 2 (observations covering the position)
MJD_FIRST 52278.767 (2002-01-04 18:23:55.000 UTC)
MJD_LAST 58644.428 (2019-06-10 10:16:11.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 1.68e-13 ± 1.2e-14 erg cm-2 s-1

Hardness ratios
HR1
0.22 ± 0.05
0.2-0.5 / 0.5-1.0 keV
HR2
0.12 ± 0.04
0.5-1.0 / 1.0-2.0 keV
HR3
-0.15 ± 0.04
1.0-2.0 / 2.0-4.5 keV
HR4
-0.28 ± 0.06
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -3.9) SUM_FLAG: 0
Long-term lightcurve

AGN

CLASSX outlier: 1.42

Class probabilities
Class taxonomy
  • AGN — active galactic nucleus.
  • Bkg_AGN — background AGN.
  • Star — Galactic star.
  • Gal_XRB — Galactic X-ray binary.
  • Extragal_XRB — extragalactic X-ray binary.
  • CV — cataclysmic variable.
  • Extended — cluster or galaxy.

Optical Monitor (OM)
OM Source ID
142578
Match probability
0.998
FilterMag (AB)Err
UVW2 17.133 0.024
UVM2 17.238 0.020
UVW1 16.963 0.008
U — —
B — —
V — —
Gaia DR3
Source ID
2350658798220550016
Match probability
0.989
Parallax
-0.096 ± 0.056 mas
Proper motion
(-0.06, 0.06) mas/yr
Magnitudes
G=16.19, BP=16.27, RP=15.92
Distance
9557 pc
AllWISE
Name
J004258.36-203713.2
Match probability
0.994
BandMagErr
W1 12.321 0.023
W2 11.165 0.020
W3 8.798 0.029
W4 6.600 0.070
CLASSOPT
Class
QSO
Star
0.00
AGN
1.00
Galaxy
0.00

Spectroscopic (zsp) 0.65600
Photometric (TPZ) 0.6758 (conf 0.64)
Photometric (Le Phare) 0.7051 (conf 0.90)

Spectroscopic redshifts (when present) are the most reliable. Photometric estimates carry a per-algorithm confidence flag.

Stacked power-law fit
Unabsorbed flux 3.90e-13 (+4.1e-13 / −3.7e-13) erg cm−2 s−1
NH 3.01e+19 (+8.1e+19 / −1.4e+19) cm−2
Photon index (Γ) 1.95 (+2.00 / −1.91)
DoF 826
p-value 0.393
Inter-instrument norm. 0.97 (0.92–1.03)
Quality flag 0

APPROX_SOURCE_VAR 43.500 (approximate flux variability amplitude)

No contributing observations found.

Sky view (optical)

DSS2 colour optical image. The header thumbnail shows the XMM-Newton X-ray image; use the layers menu in the toolbar to switch surveys.

Hardness-ratio diagram

The per-observation light curve is shown in the X-ray properties section above.