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

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ROSAT Survey Field Image Browser     SIMBAD entry


Star Information:

RA (2000.0)DE (2000.0)μ [ "/yr ]θ [ ° ]Radial VelocitySpectral TypeBVRcIcJKsHDistance [ pc ]
21 00 05.30 +40 04 13.230.662111.9-57M1.511.610.19.157.966.726.125.9215.03


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J210005.1+4004171.013 ± 0.040560.001066401940-0.23 ± 0.03-0.12 ± 0.0629.22


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

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J2100+40021 00 05.27+40 05 18.80.02 ± 00.02 ± 0.017.54.78.9


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 J2100+40021 00 05+40 04.20.039 ± 0.0090.11 ± 0.045

Joint EUVE-ROSAT Detections:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate
EUVE J2100+40021 00 05+40 04 130.04



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