5XMM J184451.9-025304

5XMM-DR15 stacked source · SRCID 3004654020100062
Position: 18h44m51.97s -02d53m04.8s (281.21655°, -2.88468°)
EP flux
5.95e-15 ± 7.8e-16 erg cm-2 s-1
CLASSX
Star (1)
Detections
3

SRCID 3004654020100062
IAUNAME 5XMM J184451.9-025304
SC_RA 18h44m51.97s (281.21655°)
SC_DEC -02d53m04.8s (-2.88468°)
RADEC_ERR 0.60 arcsec
LII / BII 29.6157° / 0.1453°
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): 5.95e-15 ± 7.8e-16 erg cm-2 s-1

Hardness ratios
HR1
0.49 ± 0.07
0.2-0.5 / 0.5-1.0 keV
HR2
-0.65 ± 0.07
0.5-1.0 / 1.0-2.0 keV
HR3
-0.96 ± 0.09
1.0-2.0 / 2.0-4.5 keV
HR4
-0.47 ± 0.77
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -2.5) SUM_FLAG: 0
Long-term lightcurve

Star

CLASSX outlier: 2.49

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
5633287
Match probability
0.993
FilterMag (AB)Err
UVW2 — —
UVM2 20.001 0.104
UVW1 16.352 0.005
U 14.990 0.003
B 13.144 0.001
V 12.248 0.003
Gaia DR3
Source ID
4258682763764301824
Match probability
0.992
Parallax
7.295 ± 0.012 mas
Proper motion
(9.13, -31.33) mas/yr
Magnitudes
G=12.00, BP=12.54, RP=11.31
Distance
137 pc
AllWISE
Name
J184452.06-025305.4
Match probability
0.995
BandMagErr
W1 9.471 0.025
W2 9.522 0.027
W3 8.910 0.242
W4 6.920 —
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 7.67e-15 (+9.5e-15 / −6.3e-15) erg cm−2 s−1
NH 2.01e+20 (+6.9e+20 / −2.9e+19) cm−2
Photon index (Γ) 2.54 (+2.83 / −2.24)
DoF 322
p-value 0.734
Inter-instrument norm. 0.73 (0.58–0.92)
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.