5XMM J025716.9+000318

5XMM-DR15 stacked source · SRCID 3005602030100016
Position: 02h57m16.99s +00d03m18.9s (44.32080°, 0.05526°)
EP flux
4.99e-14 ± 9.8e-15 erg cm-2 s-1
CLASSX
Extended (1)
Detections
2

SRCID 3005602030100016
IAUNAME 5XMM J025716.9+000318
SC_RA 02h57m16.99s (44.32080°)
SC_DEC +00d03m18.9s (0.05526°)
RADEC_ERR 0.76 arcsec
LII / BII 176.1769° / -49.3509°
N_CONTRIB 2 (detections)
N_OBS 3 (observations covering the position)
MJD_FIRST 51954.839 (2001-02-14 20:08:26.000 UTC)
MJD_LAST 57990.269 (2017-08-25 06:27:45.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 4.99e-14 ± 9.8e-15 erg cm-2 s-1

Hardness ratios
HR1
0.42 ± 0.04
0.2-0.5 / 0.5-1.0 keV
HR2
-0.35 ± 0.04
0.5-1.0 / 1.0-2.0 keV
HR3
-0.74 ± 0.07
1.0-2.0 / 2.0-4.5 keV
HR4
-0.06 ± 0.37
2.0-4.5 / 4.5-12.0 keV
Extent: 7.28 ± 0.45 arcsec (ML 121.8) SUM_FLAG: 1
Long-term lightcurve

Extended

CLASSX outlier: 2.4

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 2.80e-14 (+3.1e-14 / −2.5e-14) erg cm−2 s−1
NH 3.36e+20 (+8.2e+20 / −4.9e+19) cm−2
Photon index (Γ) 2.68 (+2.90 / −2.46)
DoF 170
p-value 0.33
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.