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

Star Page     -     Gl 687AB   LHS 450   G240-063   CHARA~62Aa



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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
17 36 25 + 68 20.3 1.3095 194.2 -26.3 M3 V 9.16 1.49 1.41 10.88 220.85 ± 0.92 4.53


ROSAT All-Sky Survey (RASS):

Detection Number Count Rate Background Exposure Time Likeli HR1 HR2 log Lx
1RXS J173627.2+682031 0.06205 ± 0.004069 0.001045 5788 374 -0.62 ± 0.04 -0.36 ± 0.12 26.96


ROSAT Position Sensitive Proportional Counter (PSPC):

Detection Number Sequence Id Count Rate Background Likeli OAX Exposure Time Observation Time HR1 HR2 Images log Lx
2RXP J173626.9+682016 999989 n00.008 0.1175 ± 0.00638 0.000875 1904 0 2964 980219 to 980219 -0.35 ± 0.05 -0.1 ± 0.09 rgb rgbd 27.24
2RXP J173627.4+682034 999995 a01.009 0.04649 ± 0.00371 0.001036 733 0 4032 940531 to 940706 -0.7 ± 0.05 0 ± 0.18 rgb rgbd 26.84
2RXP J173626.6+682028 999995 a02.004 0.04341 ± 0.00684 0.001083 51 0 1090 970203 to 970302 -0.8 ± 0.08 0 ± 0 rgb rgbd 26.81
2RXP J173627.2+682025 999995 n00.012 0.0623 ± 0.00334 0.000919 1259 0 6274 940227 to 940505 -0.65 ± 0.04 -0.45 ± 0.1 rgb rgbd 26.96


ROSAT High Resolution Imager (HRI):

Detection Number Sequence Id Count Rate SNR OAX Exposure Time Observation Date Images log Lx
1RXH J173626.0+682029 999993 a01.002 0.01099 ± 0.00124 8.5 1 8435 950730 to 951009 rgb rgbd 26.81
1RXH J173625.9+682026 999993 a03.001 0.008913 ± 0.00208 3.4 1 2512 960828 to 960907 rgb rgbd 26.72
1RXH J173625.8+682021 999993 a04.003 0.01353 ± 0.00112 11.8 1 12326 970201 to 970302 rgb rgbd 26.9
1RXH J173625.5+682023 999993 a05.002 0.02035 ± 0.0012 15.3 1 15193 970515 to 971014 rgb rgbd 27.08
1RXH J173626.5+682027 999993 n00.001 0.01583 ± 0.00214 6.6 1 3670 931222 to 940606 rgb rgbd 26.97




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