5XMM J230454.4+122009

5XMM-DR15 stacked source · SRCID 3002554100100019
Position: 23h04m54.40s +12d20m09.9s (346.22667°, 12.33609°)
EP flux
6.39e-15 ± 1.1e-15 erg cm-2 s-1
CLASSX
Star (0.537)
Detections
3

SRCID 3002554100100019
IAUNAME 5XMM J230454.4+122009
SC_RA 23h04m54.40s (346.22667°)
SC_DEC +12d20m09.9s (12.33609°)
RADEC_ERR 0.53 arcsec
LII / BII 86.2701° / -42.8257°
N_CONTRIB 3 (detections)
N_OBS 3 (observations covering the position)
MJD_FIRST 52079.650 (2001-06-19 15:36:24.000 UTC)
MJD_LAST 58269.479 (2018-05-31 11:29:14.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 6.39e-15 ± 1.1e-15 erg cm-2 s-1

Hardness ratios
HR1
0.80 ± 0.06
0.2-0.5 / 0.5-1.0 keV
HR2
-0.30 ± 0.07
0.5-1.0 / 1.0-2.0 keV
HR3
-0.77 ± 0.10
1.0-2.0 / 2.0-4.5 keV
HR4
-0.85 ± 0.56
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -2.3) SUM_FLAG: 0
Long-term lightcurve

Star

CLASSX outlier: 4.3

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
6526373
Match probability
0.998
FilterMag (AB)Err
UVW2
UVM2
UVW1
U 18.624 0.020
B 16.838 0.005
V
Gaia DR3
Source ID
2814761694231458944
Match probability
0.994
Parallax
-2.482 ± 0.505 mas
Proper motion
(-9.93, -6.06) mas/yr
Magnitudes
G=15.68, BP=16.11, RP=14.77
AllWISE
Name
J230454.40+122010.1
Match probability
0.996
BandMagErr
W1 12.867 0.024
W2 13.023 0.027
W3 12.022
W4 8.218 0.317
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 1.06e-14 (+1.2e-14 / −9.1e-15) erg cm−2 s−1
NH 1.94e+21 (+2.6e+21 / −1.1e+21) cm−2
Photon index (Γ) 2.75 (+2.93 / −2.41)
DoF 100
p-value 0.219
Quality flag 0

APPROX_SOURCE_VAR 7.000 (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.