5XMM J205706.5+305601

5XMM-DR15 stacked source · SRCID 3001814010100033
Position: 20h57m06.58s +30d56m01.3s (314.27741°, 30.93369°)
EP flux
6.63e-13 ± 2.9e-14 erg cm-2 s-1
CLASSX
Extended (1)
Detections
5

SRCID 3001814010100033
IAUNAME 5XMM J205706.5+305601
SC_RA 20h57m06.58s (314.27741°)
SC_DEC +30d56m01.3s (30.93369°)
RADEC_ERR 1.96 arcsec
LII / BII 75.0303° / -9.4127°
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): 6.63e-13 ± 2.9e-14 erg cm-2 s-1

Hardness ratios
HR1
0.86 ± 0.01
0.2-0.5 / 0.5-1.0 keV
HR2
-0.99 ± 0.01
0.5-1.0 / 1.0-2.0 keV
HR3
-0.34 ± 0.58
1.0-2.0 / 2.0-4.5 keV
HR4
0.08 ± 0.62
2.0-4.5 / 4.5-12.0 keV
Extent: 26.61 ± 0.48 arcsec (ML 1068.0) SUM_FLAG: 3
Long-term lightcurve

Extended

CLASSX outlier: 2.15

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 4.81e-14 (+5.4e-14 / −4.3e-14) erg cm−2 s−1
NH 1.91e+19 (+3.7e+19 / −1.2e+19) cm−2
Photon index (Γ) 2.99 (+3.00 / −2.97)
DoF 1663
p-value 0.023
Inter-instrument norm. 1.81 (1.60–1.95)
Quality flag 6

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.