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

Star Page     -     Gl 768   LHS 3490      ALF~Aql



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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
19 50 47 + 08 52.1 0.661 54.3 -26.1 A7 IV-V 0.77 0.22 0.14 2.21 194.44 ± 0.94 5.14


ROSAT All-Sky Survey (RASS):

Detection Number Count Rate Background Exposure Time Likeli HR1 HR2 log Lx
1RXS J195047.0+085159 0.1479 ± 0.01992 0.001007 486 79 -1 ± 0.04 0 ± 0 27.45


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 J195046.7+085202 200898 n00.022 0.1785 ± 0.00357 0.001053 3203 0 15050 920415 to 920429 -0.82 ± 0.01 -0.43 ± 0.06 rgb rgbd 27.53


ROSAT Position Sensitive Proportional Counter with filter (PSPCF):

Detection Number Sequence Id Count Rate Background Likeli OAX Exposure Time Observation Date HR1 HR2 Images log Lx
2RXF J195046.7+085202 200639 n00.010 0.02065 ± 0.00158 0.000306 318 0 9444 920430 to 920508 -0.46 ± 0.06 -0.33 ± 0.13 rgb rgbd 27.29




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