5XMM J205709.4+305716

5XMM-DR15 stacked source · SRCID 3001814010100027
Position: 20h57m09.49s +30d57m16.4s (314.28954°, 30.95456°)
EP flux
3.89e-14 ± 1.1e-14 erg cm-2 s-1
CLASSX
Extended (1)
Detections
5

SRCID 3001814010100027
IAUNAME 5XMM J205709.4+305716
SC_RA 20h57m09.49s (314.28954°)
SC_DEC +30d57m16.4s (30.95456°)
RADEC_ERR 2.07 arcsec
LII / BII 75.0533° / -9.4074°
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): 3.89e-14 ± 1.1e-14 erg cm-2 s-1

Hardness ratios
HR1
-0.40 ± 0.20
0.2-0.5 / 0.5-1.0 keV
HR2
0.63 ± 0.16
0.5-1.0 / 1.0-2.0 keV
HR3
-0.76 ± 0.12
1.0-2.0 / 2.0-4.5 keV
HR4
-0.29 ± 0.37
2.0-4.5 / 4.5-12.0 keV
Extent: 15.53 ± 0.81 arcsec (ML 173.0) SUM_FLAG: 4
Long-term lightcurve

Extended

CLASSX outlier: 3.36

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
6260169
Match probability
0.544
FilterMag (AB)Err
UVW2
UVM2
UVW1 21.222 0.142
U
B
V

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 7.97e-15 (+3.0e-14 / −2.0e-15) erg cm−2 s−1
NH 9.06e+20 (+1.0e+23 / −3.9e+19) cm−2
Photon index (Γ) 2.15 (+2.74 / −1.46)
DoF 953
p-value 0.855
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.