5XMM J210621.8+384940

5XMM-DR15 stacked source · SRCID 3004174030100227
Position: 21h06m21.87s +38d49m40.0s (316.59114°, 38.82777°)
EP flux
3.81e-15 ± 1.6e-15 erg cm-2 s-1
CLASSX
Star (1)
Detections
37

SRCID 3004174030100227
IAUNAME 5XMM J210621.8+384940
SC_RA 21h06m21.87s (316.59114°)
SC_DEC +38d49m40.0s (38.82777°)
RADEC_ERR 1.18 arcsec
LII / BII 82.3082° / -5.6883°
N_CONTRIB 37 (detections)
N_OBS 42 (observations covering the position)
MJD_FIRST 52595.976 (2002-11-17 23:26:00.000 UTC)
MJD_LAST 59166.038 (2020-11-13 00:54:49.000 UTC)

Stacked EPIC flux

EP flux (0.2-12 keV): 3.81e-15 ± 1.6e-15 erg cm-2 s-1

Hardness ratios
HR1
0.73 ± 0.20
0.2-0.5 / 0.5-1.0 keV
HR2
-0.42 ± 0.22
0.5-1.0 / 1.0-2.0 keV
HR3
-0.37 ± 0.42
1.0-2.0 / 2.0-4.5 keV
HR4
0.60 ± 0.33
2.0-4.5 / 4.5-12.0 keV
Extent: 0.00 arcsec (ML -1.4) SUM_FLAG: 1
Long-term lightcurve

Star

CLASSX outlier: 1.38

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
6278492
Match probability
0.997
FilterMag (AB)Err
UVW2 18.271 0.018
UVM2 17.935 0.008
UVW1 15.571 0.005
U 14.485 0.007
B — —
V — —
Gaia DR3
Source ID
1872045750349968128
Match probability
0.984
Parallax
1.070 ± 0.042 mas
Proper motion
(-1.40, -6.38) mas/yr
Magnitudes
G=12.57, BP=12.94, RP=12.03
Distance
938 pc
AllWISE
Name
J210621.97+384940.0
Match probability
0.991
BandMagErr
W1 10.840 0.023
W2 10.872 0.020
W3 10.828 0.162
W4 9.070 —
CLASSOPT
Class
Star
Star
1.00
AGN
0.00
Galaxy
0.00

No redshift estimate available for this source.

Automated spectral fits are not yet available for this source. Interactive fitting on individual observations will be available from the contributing detections table soon.

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.