5XMM J125733.6-170725

5XMM-DR15 stacked source · SRCID 3001042020100034
Position: 12h57m33.62s -17d07m25.2s (194.39009°, -17.12368°)
EP flux
2.54e-14 ± 6.0e-15 erg cm-2 s-1
CLASSX
AGN (0.92)
Detections
2

SRCID 3001042020100034
IAUNAME 5XMM J125733.6-170725
SC_RA 12h57m33.62s (194.39009°)
SC_DEC -17d07m25.2s (-17.12368°)
RADEC_ERR 0.71 arcsec
LII / BII 305.0274° / 45.7232°
N_CONTRIB 2 (detections)
N_OBS 5 (observations covering the position)
MJD_FIRST 51917.672 (2001-01-08 16:07:09.000 UTC)
MJD_LAST 57021.062 (2014-12-30 01:29:39.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 2.54e-14 ± 6.0e-15 erg cm-2 s-1

Hardness ratios
HR1
-0.23 ± 0.09
0.2-0.5 / 0.5-1.0 keV
HR2
-0.01 ± 0.11
0.5-1.0 / 1.0-2.0 keV
HR3
-0.26 ± 0.13
1.0-2.0 / 2.0-4.5 keV
HR4
-1.00 ± 0.33
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -2.4) SUM_FLAG: 0
Long-term lightcurve

AGN

CLASSX outlier: 0.198

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
3342179
Match probability
0.993
FilterMag (AB)Err
UVW2
UVM2
UVW1 21.491 0.109
U
B
V
Gaia DR3
Source ID
3512038738404790272
Match probability
0.992
Parallax
0.242 ± 0.574 mas
Proper motion
(-0.19, -0.36) mas/yr
Magnitudes
G=19.86, BP=20.30, RP=19.34
AllWISE
Name
J125733.56-170725.1
Match probability
0.995
BandMagErr
W1 15.158 0.036
W2 13.939 0.037
W3 11.228 0.152
W4 8.432 0.273
CLASSOPT
Class
QSO
Star
0.01
AGN
0.99
Galaxy
0.00

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 1.50e-14 (+1.8e-14 / −1.3e-14) erg cm−2 s−1
NH 3.71e+19 (+1.2e+20 / −1.6e+19) cm−2
Photon index (Γ) 2.73 (+2.89 / −2.53)
DoF 473
p-value 0.543
Inter-instrument norm. 0.75 (0.60–0.96)
Quality flag 0

APPROX_SOURCE_VAR 5.500 (approximate flux variability amplitude)

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.