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

Star Page     -     NS 1656+6508 B   GJ 648 B  



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Star Information:

RA (2000.0)DE (2000.0)μ [ "/yr ]θ [ ° ]Distance [ pc ]
16 56 01.71 +65 08 05.410.24377.915.11


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J165601.2+6508070.4058 ± 0.013340.0013226222210-0.42 ± 0.02-0.24 ± 0.0528.82


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

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J1656+65016 56 03.85+65 07 52.70.01 ± 00.01 ± 04.75.97.5


ROSAT Wide Field Camera (WFC) Pointed Observations:

SourceRA (2000.0)DE (2000.0)Sequence IDCount RateOAXSignificanceFilterObservation Date
216 56 03.49+ 65 07 32.6800897 w00_s1a0.01241 ± 0.003163.25.3S11997-04-01T00:00


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 J1656+65116 56 05+65 08.00.014 ± 0.0030.014 ± 0.004

Joint EUVE-ROSAT Detections:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate
EUVE J1656+65116 56 02+65 08 110.01



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