5XMM J230522.0+122121

5XMM-DR15 stacked source · SRCID 3002554100100022
Position: 23h05m22.04s +12d21m21.1s (346.34183°, 12.35585°)
EP flux
3.29e-14 ± 4.0e-15 erg cm-2 s-1
CLASSX
AGN (0.908)
Detections
3

SRCID 3002554100100022
IAUNAME 5XMM J230522.0+122121
SC_RA 23h05m22.04s (346.34183°)
SC_DEC +12d21m21.1s (12.35585°)
RADEC_ERR 0.36 arcsec
LII / BII 86.4136° / -42.8702°
N_CONTRIB 3 (detections)
N_OBS 3 (observations covering the position)
MJD_FIRST 52079.650 (2001-06-19 15:36:24.000 UTC)
MJD_LAST 58269.479 (2018-05-31 11:29:14.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 3.29e-14 ± 4.0e-15 erg cm-2 s-1

Hardness ratios
HR1
0.54 ± 0.09
0.2-0.5 / 0.5-1.0 keV
HR2
0.35 ± 0.05
0.5-1.0 / 1.0-2.0 keV
HR3
-0.25 ± 0.05
1.0-2.0 / 2.0-4.5 keV
HR4
-0.39 ± 0.11
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -3.0) SUM_FLAG: 1
Long-term lightcurve

AGN

CLASSX outlier: -0.37

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
6527055
Match probability
0.998
FilterMag (AB)Err
UVW2 — —
UVM2 — —
UVW1 — —
U 22.240 0.184
B 21.250 0.086
V — —
AllWISE
Name
J230522.04+122120.8
Match probability
0.995
BandMagErr
W1 15.065 0.036
W2 14.485 0.053
W3 11.510 0.190
W4 8.131 —
CLASSOPT
Class
Galaxy
Star
0.11
AGN
0.26
Galaxy
0.63

Spectroscopic (zsp) 0.32600
Photometric (TPZ) 0.3259 (conf 0.73)
Photometric (Le Phare) 0.2745 (conf 0.91)

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

Stacked power-law fit
Unabsorbed flux 2.96e-14 (+3.3e-14 / −2.6e-14) erg cm−2 s−1
NH 2.04e+21 (+2.6e+21 / −1.4e+21) cm−2
Photon index (Γ) 1.83 (+2.06 / −1.64)
DoF 471
p-value 0
Inter-instrument norm. 1.97 (1.92–1.99)
Quality flag 5

APPROX_SOURCE_VAR 6.800 (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.

© 2013-2026, DEVELOPED BY THE TEAM
CNES IRAP ESA CNRS