5XMM J205710.2+305105

5XMM-DR15 stacked source · SRCID 3001814010100127
Position: 20h57m10.23s +30d51m05.8s (314.29263°, 30.85162°)
EP flux
1.34e-13 ± 2.6e-14 erg cm-2 s-1
CLASSX
Extended (1)
Detections
5

SRCID 3001814010100127
IAUNAME 5XMM J205710.2+305105
SC_RA 20h57m10.23s (314.29263°)
SC_DEC +30d51m05.8s (30.85162°)
RADEC_ERR 3.46 arcsec
LII / BII 74.9747° / -9.4752°
N_CONTRIB 5 (detections)
N_OBS 5 (observations covering the position)
MJD_FIRST 52390.556 (2002-04-26 13:21:01.000 UTC)
MJD_LAST 52590.248 (2002-11-12 05:56:49.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 1.34e-13 ± 2.6e-14 erg cm-2 s-1

Hardness ratios
HR1
-0.92 ± 0.07
0.2-0.5 / 0.5-1.0 keV
HR2
-0.87 ± 0.28
0.5-1.0 / 1.0-2.0 keV
HR3
-0.37 ± 0.50
1.0-2.0 / 2.0-4.5 keV
HR4
0.66 ± 0.31
2.0-4.5 / 4.5-12.0 keV
Extent: 14.08 ± 1.66 arcsec (ML 31.4) SUM_FLAG: 4
Long-term lightcurve

Extended

CLASSX outlier: 4.67

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
6260234
Match probability
0.91
FilterMag (AB)Err
UVW2 17.203 0.022
UVM2 16.851 0.017
UVW1 15.332 0.005
U
B
V

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 4.09e-14 (+5.1e-14 / −3.0e-14) erg cm−2 s−1
NH 3.84e+19 (+1.2e+20 / −1.5e+19) cm−2
Photon index (Γ) 2.94 (+2.98 / −2.84)
DoF 1656
p-value 0
Quality flag 5

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.