5XMM J125714.9-172053

5XMM-DR15 stacked source · SRCID 3001042020100235
Position: 12h57m14.95s -17d20m53.0s (194.31230°, -17.34807°)
EP flux
1.36e-13 ± 3.8e-14 erg cm-2 s-1
CLASSX
Extended (0.998)
Detections
1

SRCID 3001042020100235
IAUNAME 5XMM J125714.9-172053
SC_RA 12h57m14.95s (194.31230°)
SC_DEC -17d20m53.0s (-17.34807°)
RADEC_ERR 6.01 arcsec
LII / BII 304.9106° / 45.5014°
N_CONTRIB 1 (detections)
N_OBS 5 (observations covering the position)
MJD_FIRST 51917.672 (2001-01-08 16:07:09.000 UTC)
MJD_LAST 51917.865 (2001-01-08 20:46:00.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 1.36e-13 ± 3.8e-14 erg cm-2 s-1

Hardness ratios
HR1
0.67 ± 0.13
0.2-0.5 / 0.5-1.0 keV
HR2
-0.17 ± 0.14
0.5-1.0 / 1.0-2.0 keV
HR3
-0.38 ± 0.20
1.0-2.0 / 2.0-4.5 keV
HR4
-0.61 ± 0.29
2.0-4.5 / 4.5-12.0 keV
Extent: 28.12 ± 3.61 arcsec (ML 8.7) SUM_FLAG: 1
Long-term lightcurve

Extended

CLASSX outlier: 3.09

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
3338623
Match probability
0.809
FilterMag (AB)Err
UVW2
UVM2
UVW1 19.733 0.111
U 18.557 0.042
B
V

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 1.31e-14 (+1.9e-14 / −8.5e-15) erg cm−2 s−1
NH 5.16e+20 (+1.8e+21 / −3.8e+19) cm−2
Photon index (Γ) 2.25 (+2.76 / −1.78)
DoF 96
p-value 0.681
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.