NEXXUS 2 - The database for Nearby X-ray and extreme UV emitting Stars

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Star Information:

RA (2000.0)DE (2000.0)μ [ "/yr ]θ [ ° ]Radial VelocitySpectral TypeUBVIcJKsHDistance [ pc ]
21 06 54.78 +38 44 31.385.17252.6-63.5K7V8.627.46.034.413.492.842.73.5


XMM-Newton Pointed Observations:

Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.2+3844390041740301 22002-11-17T23:43 to 2002-11-18T01:52999.999926.65Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick0.17071 ± 0.00577568999.99991.3110.259 ± 0.033-0.772 ± 0.027-0.943 ± 0.056-1 ± 0.86326.67
M1Thick0.03601 ± 0.002429272392.310.280.248 ± 0.07-0.57 ± 0.068-0.979 ± 0.0470.515 ± 0.96726.61
M2Thick0.03858 ± 0.002369272546.220.9830.357 ± 0.06-0.672 ± 0.054-1 ± 0.0831 ± 4.40426.63
Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.6+3844440041740901 22003-05-12T15:22 to 2003-05-12T17:03999.999926.6Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick0.14974 ± 0.006415320999.99990.9170.146 ± 0.043-0.861 ± 0.031-1 ± 0.14426.61
M1Thick0.02936 ± 0.002526448242.470.4520.173 ± 0.086-0.81 ± 0.069-0.746 ± 0.253-1 ± 2.45726.52
M2Thick0.03734 ± 0.002876587321.991.4690.367 ± 0.077-0.707 ± 0.064-1 ± 0.05326.6
Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.6+3844440041741001 22003-11-22T01:13 to 2003-11-22T03:05999.999926.83Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick0.25434 ± 0.007396698999.99991.3940.33 ± 0.029-0.75 ± 0.023-0.913 ± 0.052-0.244 ± 0.52826.85
M1Thick0.06126 ± 0.003168175747.170.3740.381 ± 0.052-0.586 ± 0.049-1 ± 0.0181 ± 1.72226.82
M2Thick0.05845 ± 0.003088179770.790.9410.326 ± 0.053-0.604 ± 0.05-1 ± 0.0371 ± 1.45426.81
Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.6+3844440041741101 22004-05-01T15:39 to 2004-05-01T19:13999.999926.8Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick0.23944 ± 0.0050512788999.99990.8020.295 ± 0.021-0.686 ± 0.019-0.881 ± 0.031-0.602 ± 0.28826.82
M1Thick0.05632 ± 0.0022414245999.99990.5180.309 ± 0.041-0.554 ± 0.04-0.942 ± 0.043-1 ± 0.34926.78
M2Thick0.05288 ± 0.0025414247951.51.4930.367 ± 0.051-0.486 ± 0.049-0.786 ± 0.07-0.778 ± 0.25226.76
Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.6+3844440143630101 12004-11-02T23:31 to 2004-11-03T03:22999.999927.75Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick2.05526 ± 0.0131213906999.99991.5790.417 ± 0.007-0.472 ± 0.007-0.764 ± 0.009-0.877 ± 0.02427.77
M1Thick0.48287 ± 0.0057315973999.99990.5680.503 ± 0.013-0.23 ± 0.013-0.777 ± 0.013-0.9 ± 0.03227.71
M2Thick0.49576 ± 0.0057715976999.99990.9360.511 ± 0.012-0.268 ± 0.013-0.773 ± 0.013-0.89 ± 0.03227.72
Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J210656.6+3844440143630401 22005-04-23T14:09 to 2005-04-23T16:18999.999926.69Postcard Server Observing Log
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
PNThick0.19629 ± 0.00675892999.99990.7940.153 ± 0.035-0.811 ± 0.026-0.863 ± 0.097-1 ± 0.58826.73
M1Thick0.03794 ± 0.002378840647.470.6750.29 ± 0.062-0.733 ± 0.054-0.952 ± 0.082-1 ± 2.07226.62
M2Thick0.04173 ± 0.002638892647.081.6410.218 ± 0.064-0.758 ± 0.054-0.818 ± 0.149-1 ± 0.79726.67


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J210652.2+3844160.4217 ± 0.030030.00117543452-0.72 ± 0.04-0.48 ± 0.1627.57


ROSAT Position Sensitive Proportional Counter with filter (PSPCF):

Detection NumberSequence IdCount RateBackgroundLikeliOAXExposure TimeObservation DateHR1HR2Imageslog Lx
2RXF J210651.9+384421200793 n00.0040.05747 ± 0.003430.000351282149341992-05-02 to 1992-05-03-0.11 ± 0.06-0.13 ± 0.09rgb rgbd27.4


ROSAT High Resolution Imager (HRI):

Detection NumberSequence IdCount RateSNROAXExposure TimeObservation DateImageslog Lx
1RXH J210653.1+384413201152 n00.0020.02779 ± 0.003297.7126951993-06-10 to 1993-06-13rgb rgbd26.99
1RXH J210653.9+384418201948 a01.0020.02626 ± 0.002429.5247421995-06-12 to 1995-06-12rgb rgbd26.97
1RXH J210653.3+384418201948 n00.0020.0257 ± 0.004984.9111181994-11-09 to 1994-11-09rgb rgbd26.96
1RXH J210653.3+384417201950 n00.0020.02439 ± 0.0019611.4166881994-11-08 to 1994-11-09rgb rgbd26.93
1RXH J210653.4+384419202236 n00.0020.01588 ± 0.001649.1164881995-12-14 to 1995-12-14rgb rgbd26.75
1RXH J210654.1+384418202238 n00.0020.01297 ± 0.001587.2259441996-05-21 to 1996-05-21rgb rgbd26.66
1RXH J210653.8+384422202345 n00.0020.01384 ± 0.001856.9145801996-11-14 to 1996-11-15rgb rgbd26.69
1RXH J210654.1+384423202347 a01.0020.01077 ± 0.002524.2118731997-11-04 to 1997-11-04rgb rgbd26.58
1RXH J210654.6+384420202347 n00.0020.01426 ± 0.002444.9227521997-05-03 to 1997-05-04rgb rgbd26.7


ROSAT Wide Field Camera (WFC) All-Sky Survey:

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J2106+38421 06 51.28+38 43 59.70.01 ± 00.02 ± 0606


ROSAT Wide Field Camera (WFC) Pointed Observations:

SourceRA (2000.0)DE (2000.0)Sequence IDCount RateOAXSignificanceFilterObservation Date
221 06 51.44+ 38 44 38.1201152 w00_s1a0.03401 ± 0.01420.84.43S11993-06-10T12:00


Joint EUVE-ROSAT Detections:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate
EUVE J2106+38721 06 52+38 44 180.02

Einstein Imaging Proportional Counter (IPC):

Detection NumberRA (2000.0)DE (2000.0)Sequence IDCount RateExposure TimeSNROAXObservation DateImagesData
2E 2104.9+383221 06 50.3+38 43 393116 44460.084 ± 0.011263.88.62.91979-06-21 to 1979-06-21gif FITSEvents



Last modified on Tuesday, 28 October 2008.   C. Liefke | Impressum