5XMM J184512.0-025509

5XMM-DR15 stacked source · SRCID 3004654020100027
Position: 18h45m12.02s -02d55m09.8s (281.30007°, -2.91938°)
EP flux
1.71e-14 ± 1.6e-15 erg cm-2 s-1
CLASSX
Star (0.987)
Detections
3

SRCID 3004654020100027
IAUNAME 5XMM J184512.0-025509
SC_RA 18h45m12.02s (281.30007°)
SC_DEC -02d55m09.8s (-2.91938°)
RADEC_ERR 0.38 arcsec
LII / BII 29.6229° / 0.0553°
N_CONTRIB 3 (detections)
N_OBS 11 (observations covering the position)
MJD_FIRST 52717.705 (2003-03-19 16:55:35.000 UTC)
MJD_LAST 55302.956 (2010-04-16 22:56:45.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 1.71e-14 ± 1.6e-15 erg cm-2 s-1

Hardness ratios
HR1
0.98 ± 0.03
0.2-0.5 / 0.5-1.0 keV
HR2
0.24 ± 0.04
0.5-1.0 / 1.0-2.0 keV
HR3
-0.73 ± 0.04
1.0-2.0 / 2.0-4.5 keV
HR4
-0.93 ± 0.12
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -3.0) SUM_FLAG: 1
Long-term lightcurve

Star

CLASSX outlier: 4.23

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
5639275
Match probability
0.951
FilterMag (AB)Err
UVW2 — —
UVM2 — —
UVW1 22.523 0.360
U 21.325 0.095
B 18.867 0.034
V 16.890 0.036
Gaia DR3
Source ID
4258681870411037312
Match probability
0.991
Parallax
1.558 ± 0.043 mas
Proper motion
(1.38, -6.52) mas/yr
Magnitudes
G=15.78, BP=17.14, RP=14.64
Distance
575 pc
AllWISE
Name
J184511.99-025510.4
Match probability
0.995
BandMagErr
W1 11.858 0.074
W2 12.461 0.173
W3 10.345 —
W4 7.125 —
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 2.32e-14 (+2.6e-14 / −2.1e-14) erg cm−2 s−1
NH 4.52e+21 (+5.0e+21 / −4.0e+21) cm−2
Photon index (Γ) 2.87 (+2.96 / −2.68)
DoF 699
p-value 0.511
Inter-instrument norm. 1.09 (0.94–1.24)
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.