5XMM J025633.1+000124

5XMM-DR15 stacked source · SRCID 3005602030100082
Position: 02h56m33.19s +00d01m24.8s (44.13829°, 0.02355°)
EP flux
3.92e-15 ± 1.5e-15 erg cm-2 s-1
CLASSX
Star (0.92)
Detections
2

SRCID 3005602030100082
IAUNAME 5XMM J025633.1+000124
SC_RA 02h56m33.19s (44.13829°)
SC_DEC +00d01m24.8s (0.02355°)
RADEC_ERR 0.82 arcsec
LII / BII 176.0147° / -49.5031°
N_CONTRIB 2 (detections)
N_OBS 3 (observations covering the position)
MJD_FIRST 51954.839 (2001-02-14 20:08:26.000 UTC)
MJD_LAST 57990.269 (2017-08-25 06:27:45.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 3.92e-15 ± 1.5e-15 erg cm-2 s-1

Hardness ratios
HR1
0.60 ± 0.10
0.2-0.5 / 0.5-1.0 keV
HR2
-0.44 ± 0.11
0.5-1.0 / 1.0-2.0 keV
HR3
-0.69 ± 0.18
1.0-2.0 / 2.0-4.5 keV
HR4
0.11 ± 0.41
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: 3.33

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
899124
Match probability
0.971
FilterMag (AB)Err
UVW2 — —
UVM2 — —
UVW1 22.242 0.246
U 20.696 0.081
B — —
V — —
Gaia DR3
Source ID
2498035584460269696
Match probability
0.991
Parallax
0.778 ± 0.116 mas
Proper motion
(8.98, -4.37) mas/yr
Magnitudes
G=17.30, BP=18.01, RP=16.46
Distance
701 pc
AllWISE
Name
J025633.07+000123.9
Match probability
0.995
BandMagErr
W1 14.481 0.028
W2 14.433 0.049
W3 12.203 —
W4 9.319 —
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 2.87e-15 (+3.5e-15 / −2.4e-15) erg cm−2 s−1
NH 2.79e+20 (+8.0e+20 / −2.8e+19) cm−2
Photon index (Γ) 2.70 (+2.90 / −2.41)
DoF 173
p-value 0.214
Inter-instrument norm. 0.75 (0.57–1.07)
Quality flag 0

APPROX_SOURCE_VAR 5.700 (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.