5XMM J205704.2+305844

5XMM-DR15 stacked source · SRCID 3001814010100013
Position: 20h57m04.25s +30d58m44.4s (314.26772°, 30.97900°)
EP flux
6.53e-12 ± 6.7e-14 erg cm-2 s-1
CLASSX
Extended (1)
Detections
5

SRCID 3001814010100013
IAUNAME 5XMM J205704.2+305844
SC_RA 20h57m04.25s (314.26772°)
SC_DEC +30d58m44.4s (30.97900°)
RADEC_ERR 0.04 arcsec
LII / BII 75.0603° / -9.3774°
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): 6.53e-12 ± 6.7e-14 erg cm-2 s-1

Hardness ratios
HR1
-0.99 ± 0.00
0.2-0.5 / 0.5-1.0 keV
HR2
-1.00 ± 0.02
0.5-1.0 / 1.0-2.0 keV
HR3
-0.03 ± 0.96
1.0-2.0 / 2.0-4.5 keV
HR4
0.13 ± 0.52
2.0-4.5 / 4.5-12.0 keV
Extent: 58.17 ± 0.27 arcsec (ML 21279.7) SUM_FLAG: 4
Long-term lightcurve

Extended

CLASSX outlier: 2.58

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 1.31e-13 (+1.6e-13 / −1.1e-13) erg cm−2 s−1
NH 2.99e+19 (+7.9e+19 / −1.4e+19) cm−2
Photon index (Γ) 2.96 (+2.99 / −2.90)
DoF 542
p-value 0.002
Quality flag 7

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.