5XMM J184446.3-025146

5XMM-DR15 stacked source · SRCID 3004654020100118
Position: 18h44m46.35s -02d51m46.5s (281.19311°, -2.86293°)
EP flux
6.08e-15 ± 1.4e-15 erg cm-2 s-1
CLASSX
Star (0.994)
Detections
3

SRCID 3004654020100118
IAUNAME 5XMM J184446.3-025146
SC_RA 18h44m46.35s (281.19311°)
SC_DEC -02d51m46.5s (-2.86293°)
RADEC_ERR 0.76 arcsec
LII / BII 29.6244° / 0.1761°
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): 6.08e-15 ± 1.4e-15 erg cm-2 s-1

Hardness ratios
HR1
0.97 ± 0.11
0.2-0.5 / 0.5-1.0 keV
HR2
0.51 ± 0.10
0.5-1.0 / 1.0-2.0 keV
HR3
-0.53 ± 0.11
1.0-2.0 / 2.0-4.5 keV
HR4
-0.85 ± 0.26
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -2.0) SUM_FLAG: 0
Long-term lightcurve

Star

CLASSX outlier: 4.21

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
5631540
Match probability
0.985
FilterMag (AB)Err
UVW2 — —
UVM2 — —
UVW1 21.497 0.124
U 20.022 0.050
B 17.721 0.013
V — —
Gaia DR3
Source ID
4258685856140783360
Match probability
0.991
Parallax
0.454 ± 0.026 mas
Proper motion
(0.38, -1.45) mas/yr
Magnitudes
G=14.86, BP=16.15, RP=13.75
Distance
2298 pc
AllWISE
Name
J184446.28-025145.4
Match probability
0.995
BandMagErr
W1 9.614 0.032
W2 7.526 0.055
W3 5.799 0.027
W4 2.852 0.025
CLASSOPT
Class
Star
Star
0.99
AGN
0.01
Galaxy
0.00

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 1.44e-14 (+1.8e-14 / −1.1e-14) erg cm−2 s−1
NH 4.71e+21 (+6.2e+21 / −3.5e+21) cm−2
Photon index (Γ) 2.45 (+2.84 / −1.99)
DoF 400
p-value 0.603
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.