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

Star Page     -     NS 0839+6501   GJ 311   HIP 42438   HD 72905   HR 3391   BD+65 643   3 UMa   pi01 UMa   NSV 17937



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ROSAT Survey Field Image Browser     SIMBAD entry


Star Information:

RA (2000.0)DE (2000.0)μ [ "/yr ]θ [ ° ]Radial VelocitySpectral TypeBVDistance [ pc ]
08 39 11.62 +65 01 15.140.092342.5-12G1.5Vb6.225.6414.3


XMM-Newton Pointed Observations:

Detection NumberSequence IdObservation TimeLikelihoodlog Lx ESAC Links
2XMM J083911.7+6501150111400101 12000-11-03T21:50 to 2000-11-04T11:48999.999928.96Postcard Server Observing Log
PN data not included in the catalogue. See introduction for details.
DetectorFilterCount RateExposure TimeLikelihoodOAXHR1HR2HR3HR4log Lx
M1Thick0.52031 ± 0.0043229385999.99990.060.671 ± 0.007-0.522 ± 0.008-0.903 ± 0.008-0.955 ± 0.04828.95
M2Thick0.57285 ± 0.0052623101999.99991.0950.681 ± 0.008-0.526 ± 0.008-0.911 ± 0.009-0.866 ± 0.06828.99


ROSAT All-Sky Survey (RASS):

Detection NumberCount RateBackgroundExposure TimeLikelihoodHR1HR2log Lx
1RXS J083912.0+6501180.7966 ± 0.046860.00103392820-0.32 ± 0.05-0.1 ± 0.129.07


ROSAT Position Sensitive Proportional Counter (PSPC):

Detection NumberSequence IdCount Rate BackgroundLikeliOAXExposure TimeObservation TimeHR1HR2Imageslog Lx
2RXP J083915.2+650123200654 n00.0010.3776 ± 00.00144409441219231992-04-25 to 1992-04-27-0.28 ± 0.01-0.31 ± 0.01rgb rgbd28.74
2RXP J083912.2+650112201472 n00.0130.8502 ± 0.01350.000899999047171993-10-05 to 1993-10-10-0.21 ± 0.02-0.28 ± 0.02rgb rgbd29.1


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

Detection NumberRA (2000.0)DE (2000.0) S1 Count Rate S2 Count RateSignificance S1Significance S2Significance
2RE J0839+65008 39 15.53+65 01 49.10.02 ± 0.010.02 ± 0.014.75.27


EUVE sources detected in other ways:

Detection NumberRA (2000.0)DE (2000.0)58-174 Å Count Rate156-234 Å Count Rate67-178 Å Count Rate157-364 Å Count Rate
EUVE J0839+65008 39 12+65 01.20.0310.05

Einstein Imaging Proportional Counter (IPC):

Detection NumberRA (2000.0)DE (2000.0)Sequence IDCount RateExposure TimeSNROAXObservation DateImagesData
2E 0834.8+651208 39 11.0+65 01 30501 20180.182 ± 0.0131771.313.7151979-04-29 to 1979-04-29gif FITSEvents
2E 0834.8+651208 39 12.5+65 01 124456 20180.2 ± 0.021617.39.50.41979-10-05 to 1979-10-05gif FITSEvents
2E 0834.8+651208 39 12.1+65 01 126964 20180.178 ± 0.00412796.140.80.21980-09-24 to 1980-09-24gif FITSEvents



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