5XMM J125600.5+255921

5XMM-DR15 stacked source · SRCID 3001285020100016
Position: 12h56m00.53s +25d59m21.6s (194.00222°, 25.98932°)
EP flux
1.25e-14 ± 2.8e-15 erg cm-2 s-1
CLASSX
AGN (0.927)
Detections
1

SRCID 3001285020100016
IAUNAME 5XMM J125600.5+255921
SC_RA 12h56m00.53s (194.00222°)
SC_DEC +25d59m21.6s (25.98932°)
RADEC_ERR 0.92 arcsec
LII / BII 345.0958° / 88.4697°
N_CONTRIB 1 (detections)
N_OBS 1 (observations covering the position)
MJD_FIRST 52431.273 (2002-06-06 06:32:49.000 UTC)
MJD_LAST 52431.578 (2002-06-06 13:52:26.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 1.25e-14 ± 2.8e-15 erg cm-2 s-1

Hardness ratios
HR1
-0.15 ± 0.12
0.2-0.5 / 0.5-1.0 keV
HR2
0.01 ± 0.13
0.5-1.0 / 1.0-2.0 keV
HR3
-0.57 ± 0.14
1.0-2.0 / 2.0-4.5 keV
HR4
-0.55 ± 0.27
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -1.5) SUM_FLAG: 0
Long-term lightcurve

AGN

CLASSX outlier: -0.461

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
3328761
Match probability
0.991
FilterMag (AB)Err
UVW2
UVM2
UVW1 21.782 0.227
U 21.562 0.204
B
V

Spectroscopic (zsp) 1.66900
Photometric (TPZ) 1.6755 (conf 0.70)
Photometric (Le Phare) 1.5690 (conf 0.78)

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

Stacked power-law fit
Unabsorbed flux 1.04e-14 (+1.3e-14 / −8.5e-15) erg cm−2 s−1
NH 5.46e+20 (+1.3e+21 / −4.1e+19) cm−2
Photon index (Γ) 2.40 (+2.78 / −2.11)
DoF 114
p-value 0.398
Quality flag 0

No variability data available for this source.

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.