5XMM J180755.8-191931

5XMM-DR15 stacked source · SRCID 3002494020100231
Position: 18h07m55.83s -19d19m31.1s (271.98261°, -19.32531°)
EP flux
5.86e-15 ± 1.7e-15 erg cm-2 s-1
CLASSX
Star (1)
Detections
3

SRCID 3002494020100231
IAUNAME 5XMM J180755.8-191931
SC_RA 18h07m55.83s (271.98261°)
SC_DEC -19d19m31.1s (-19.32531°)
RADEC_ERR 0.70 arcsec
LII / BII 10.8624° / 0.4342°
N_CONTRIB 3 (detections)
N_OBS 65 (observations covering the position)
MJD_FIRST 51990.074 (2001-03-22 01:46:55.000 UTC)
MJD_LAST 53452.311 (2005-03-23 07:28:03.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 5.86e-15 ± 1.7e-15 erg cm-2 s-1

Hardness ratios
HR1
0.41 ± 0.11
0.2-0.5 / 0.5-1.0 keV
HR2
-0.63 ± 0.12
0.5-1.0 / 1.0-2.0 keV
HR3
-0.76 ± 0.32
1.0-2.0 / 2.0-4.5 keV
HR4
-0.49 ± 0.75
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -2.2) SUM_FLAG: 0
Long-term lightcurve

Star

CLASSX outlier: 4.33

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
5191467
Match probability
0.991
FilterMag (AB)Err
UVW2 17.284 0.033
UVM2
UVW1
U
B
V

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 6.14e-15 (+7.6e-15 / −4.8e-15) erg cm−2 s−1
NH 1.04e+20 (+5.2e+20 / −2.4e+19) cm−2
Photon index (Γ) 2.67 (+2.88 / −2.39)
DoF 64
p-value 0.31
Quality flag 0

APPROX_SOURCE_VAR 7.400 (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.