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

Star Page     -     NS 2147-1607 B   GJ 837 B  



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Star Information:

RA (2000.0)DE (2000.0)μ [ "/yr ]θ [ ° ]Distance [ pc ]
21 47 02.44 -16 07 38.370.396138.411.84


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J214702.5-1607361.655 ± 0.12550.00096345479-0.29 ± 0.070.1 ± 0.1229.22


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

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J2147-16021 47 03.25-16 06 39.50.05 ± 0.010.06 ± 0.018.19.312.3


ROSAT Wide Field Camera (WFC) Pointed Observations:

SourceRA (2000.0)DE (2000.0)Sequence IDCount RateOAXSignificanceFilterObservation Date
121 47 08.70- 16 06 48.2800148 w00_s2b0.3813 ± 0.11373138.94.88S21991-11-18T00:00
121 46 59.33- 16 07 51.0800227 w00_s1a0.03261 ± 0.007477.66.39S11992-11-19T06:00
121 47 01.59- 16 07 32.3800227 w01_s1a0.03585 ± 0.0050876.910.68S11993-05-06T06:00


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 J2147-16121 47 00-16 07.40.069 ± 0.0140.039 ± 0.019

Joint EUVE-ROSAT Detections:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate
EUVE J2147-16121 47 02-16 07 390.07



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