5XMM J225404.5-173620

5XMM-DR15 stacked source · SRCID 3001294010100056
Position: 22h54m04.53s -17d36m20.4s (343.51887°, -17.60567°)
EP flux
2.47e-13 ± 1.3e-14 erg cm-2 s-1
CLASSX
Extended (0.999)
Detections
8

SRCID 3001294010100056
IAUNAME 5XMM J225404.5-173620
SC_RA 22h54m04.53s (343.51887°)
SC_DEC -17d36m20.4s (-17.60567°)
RADEC_ERR 5.47 arcsec
LII / BII 46.1480° / -61.3306°
N_CONTRIB 8 (detections)
N_OBS 10 (observations covering the position)
MJD_FIRST 51877.756 (2000-11-29 18:08:56.000 UTC)
MJD_LAST 59199.874 (2020-12-16 20:58:40.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 2.47e-13 ± 1.3e-14 erg cm-2 s-1

Hardness ratios
HR1
-0.04 ± 0.03
0.2-0.5 / 0.5-1.0 keV
HR2
0.07 ± 0.03
0.5-1.0 / 1.0-2.0 keV
HR3
-0.32 ± 0.04
1.0-2.0 / 2.0-4.5 keV
HR4
-0.26 ± 0.06
2.0-4.5 / 4.5-12.0 keV
Extent: 27.96 ± 0.60 arcsec (ML 442.6) SUM_FLAG: 4
Long-term lightcurve

Extended

CLASSX outlier: 4.79

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
6505955
Match probability
0.935
FilterMag (AB)Err
UVW2
UVM2
UVW1
U
B 20.866 0.067
V 19.392 0.043
Gaia DR3
Source ID
2403142091690709248
Match probability
0.991
Parallax
2.698 ± 0.175 mas
Proper motion
(49.16, -11.99) mas/yr
Magnitudes
G=18.14, BP=19.87, RP=16.93
Distance
742 pc
AllWISE
Name
J225404.43-173621.7
Match probability
0.995
BandMagErr
W1 14.178 0.029
W2 14.081 0.047
W3 12.294
W4 8.220
CLASSOPT
Class
Star
Star
1.00
AGN
0.00
Galaxy
0.00

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 3.61e-14 (+4.5e-14 / −2.9e-14) erg cm−2 s−1
NH 3.14e+20 (+1.4e+21 / −3.3e+19) cm−2
Photon index (Γ) 1.33 (+1.71 / −1.13)
DoF 248
p-value 0.341
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.