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

Star Page     -     Gl 867A         U636 FK~Aqr



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Star Information:

RA (2000.0) DE (2000.0) Mu Theta Radial Velocity Spectral Type V B-V R-I MV Pi Distance
22 38 45 - 20 37.2 0.4576 100.1 -8.7 M1.5 9.1 1.5 1.2 9.42 115.71 ± 1.5 8.64


ROSAT All-Sky Survey (RASS):

Detection Number Count Rate Background Exposure Time Likeli HR1 HR2 log Lx
1RXS J223845.5-203706 3.803 ± 0.1869 0.001215 225 1400 -0.23 ± 0.04 0.05 ± 0.08 29.31


ROSAT High Resolution Imager (HRI):

Detection Number Sequence Id Count Rate SNR OAX Exposure Time Observation Date Images log Lx
1RXH J223845.7-203714 200415 a01.019 0.832 ± 0.00594 126 2 23152 930515 to 930516 rgb rgbd 29.25
1RXH J223845.2-203714 200415 n00.008 1.102 ± 0.0108 93.9 1 9220 921126 to 921127 rgb rgbd 29.37


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

Detection Number RA (2000.0) DE (2000.0) S1 Count Rate S2 Count Rate Significance S1 Significance S2 Significance
2RE J2238-203 22 38 45.89 -20 36 55.3 0.083 ± 0.016 0.102 ± 0.016 7 8.8 11.3


ROSAT Wide Field Camera (WFC) Pointed Observations:

Source RA (2000.0) DE (2000.0) Sequence ID Count Rate OAX Significance Filter mjd
1 22 38 48.46 - 20 37 05.0 180217 w00_s1a 0.15279 ± 0.02631 129.2 8.69 S1 50777.25
1 22 38 45.00 - 20 37 05.1 200415 w01_s2b 0.10034 ± 0.0065 0.1 28.72 S2 49122.48
1 22 38 46.60 - 20 37 12.9 200415 w00_s2b 0.09955 ± 0.01106 0.4 16.57 S2 48952.78



Last modified on Thursday, 23 October 2003.   C. Liefke | Impressum