5XMM J205727.1+310824

5XMM-DR15 stacked source · SRCID 3001814010100024
Position: 20h57m27.12s +31d08m24.5s (314.36298°, 31.14013°)
EP flux
8.23e-13 ± 5.5e-14 erg cm-2 s-1
CLASSX
Extended (1)
Detections
5

SRCID 3001814010100024
IAUNAME 5XMM J205727.1+310824
SC_RA 20h57m27.12s (314.36298°)
SC_DEC +31d08m24.5s (31.14013°)
RADEC_ERR 9.42 arcsec
LII / BII 75.2388° / -9.3373°
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): 8.23e-13 ± 5.5e-14 erg cm-2 s-1

Hardness ratios
HR1
0.98 ± 0.01
0.2-0.5 / 0.5-1.0 keV
HR2
-0.85 ± 0.01
0.5-1.0 / 1.0-2.0 keV
HR3
-0.99 ± 0.04
1.0-2.0 / 2.0-4.5 keV
HR4
0.74 ± 0.38
2.0-4.5 / 4.5-12.0 keV
Extent: 31.95 ± 0.85 arcsec (ML 1699.5) SUM_FLAG: 4
Long-term lightcurve

Extended

CLASSX outlier: 3.73

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.

No multi-wavelength counterpart data available for this source.

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 7.15e-15 (+2.0e-14 / −2.0e-15) erg cm−2 s−1
NH 5.14e+21 (+4.5e+23 / −6.6e+19) cm−2
Photon index (Γ) 2.05 (+2.69 / −1.30)
DoF 903
p-value 0.898
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.