5XMM J205730.7+305623

5XMM-DR15 stacked source · SRCID 3001814010100103
Position: 20h57m30.79s +30d56m23.2s (314.37827°, 30.93979°)
EP flux
7.08e-15 ± 3.0e-15 erg cm-2 s-1
CLASSX
Star (0.845)
Detections
5

SRCID 3001814010100103
IAUNAME 5XMM J205730.7+305623
SC_RA 20h57m30.79s (314.37827°)
SC_DEC +30d56m23.2s (30.93979°)
RADEC_ERR 0.77 arcsec
LII / BII 75.0911° / -9.4754°
N_CONTRIB 5 (detections)
N_OBS 5 (observations covering the position)
MJD_FIRST 52390.556 (2002-04-26 13:21:01.000 UTC)
MJD_LAST 52590.248 (2002-11-12 05:56:49.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 7.08e-15 ± 3.0e-15 erg cm-2 s-1

Hardness ratios
HR1
1.00 ± 0.68
0.2-0.5 / 0.5-1.0 keV
HR2
0.77 ± 0.19
0.5-1.0 / 1.0-2.0 keV
HR3
-0.81 ± 0.11
1.0-2.0 / 2.0-4.5 keV
HR4
-0.47 ± 0.49
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -1.9) SUM_FLAG: 0
Long-term lightcurve

Star

CLASSX outlier: 4

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
6261688
Match probability
0.985
FilterMag (AB)Err
UVW2 20.773 0.257
UVM2
UVW1
U
B
V

No redshift estimate available for this source.

Stacked power-law fit
Unabsorbed flux 4.14e-14 (+5.8e-14 / −2.8e-14) erg cm−2 s−1
NH 2.91e+20 (+1.5e+21 / −2.9e+19) cm−2
Photon index (Γ) 2.18 (+2.64 / −1.66)
DoF 57
p-value 0.202
Quality flag 0

APPROX_SOURCE_VAR 5.600 (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.