5XMM J230455.0+121823

5XMM-DR15 stacked source · SRCID 3002554100100032
Position: 23h04m55.07s +12d18m23.8s (346.22945°, 12.30661°)
EP flux
9.33e-15 ± 2.3e-15 erg cm-2 s-1
CLASSX
Extended (0.984)
Detections
3

SRCID 3002554100100032
IAUNAME 5XMM J230455.0+121823
SC_RA 23h04m55.07s (346.22945°)
SC_DEC +12d18m23.8s (12.30661°)
RADEC_ERR 1.57 arcsec
LII / BII 86.2513° / -42.8519°
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): 9.33e-15 ± 2.3e-15 erg cm-2 s-1

Hardness ratios
HR1
0.37 ± 0.08
0.2-0.5 / 0.5-1.0 keV
HR2
-0.53 ± 0.10
0.5-1.0 / 1.0-2.0 keV
HR3
-0.46 ± 0.23
1.0-2.0 / 2.0-4.5 keV
HR4
-0.77 ± 0.53
2.0-4.5 / 4.5-12.0 keV
Extent: 7.11 ± 0.91 arcsec (ML 106.2) SUM_FLAG: 1
Long-term lightcurve

Extended

CLASSX outlier: 5.73

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
6526405
Match probability
0.951
FilterMag (AB)Err
UVW2
UVM2
UVW1
U
B 16.798 0.005
V
Gaia DR3
Source ID
2814761384993320192
Match probability
0.956
Parallax
5.821 ± 2.158 mas
Proper motion
(-0.65, 2.00) mas/yr
Magnitudes
G=20.50, BP=18.73, RP=17.86
AllWISE
Name
J230455.11+121825.0
Match probability
0.995
BandMagErr
W1 12.258 0.023
W2 12.092 0.023
W3 7.625 0.020
W4 5.222 0.035
CLASSOPT
Class
Galaxy
Star
0.00
AGN
0.03
Galaxy
0.96

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 5.95e-15 (+7.2e-15 / −5.0e-15) erg cm−2 s−1
NH 3.26e+20 (+9.1e+20 / −4.1e+19) cm−2
Photon index (Γ) 2.47 (+2.83 / −2.19)
DoF 227
p-value 0.532
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.