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 TypeBVDistance [ pc ]
11 18 11.00 +31 31 46.450.733216.1-18.2G0V4.373.788.37


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J111811.1+3131544.539 ± 0.15750.001351923380-0.21 ± 0.03-0.12 ± 0.0529.36


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

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J1118+31311 18 10.06+31 31 43.20.08 ± 0.010.09 ± 0.011510.618.3


ROSAT Wide Field Camera (WFC) Pointed Observations:

SourceRA (2000.0)DE (2000.0)Sequence IDCount RateOAXSignificanceFilterObservation Date
211 18 10.16+ 31 30 52.1201387 w00_s2b0.18001 ± 0.02921111.69.97S21993-05-17T12:00


EUVE All-Sky Survey:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate156-234 Å Count Rate368-590 Å Count Rate519-742 Å Count Rate
EUVE J1118+31511 18 13+31 31.50.154 ± 0.0190.044 ± 0.0210.036 ± 0.015

Joint EUVE-ROSAT Detections:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate
EUVE J1118+31511 18 11+31 31 590.15

Einstein Imaging Proportional Counter (IPC):

Detection NumberRA (2000.0)DE (2000.0)Sequence IDCount RateExposure TimeSNROAXObservation DateImagesData
2E 1115.5+314811 18 11.3+31 31 535189 24400.873 ± 0.0331893.226.10.71979-12-05 to 1979-12-05gif FITSEvents



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