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

Star Page     -     Gl 570A   LHS 387     



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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
14 57 28 - 21 25.0 2.0116 149.1 26.8 K5 V e 5.75 1.11 0.53 6.9 169.6 ± 1 5.9


ROSAT All-Sky Survey (RASS):

Detection Number Count Rate Background Exposure Time Likeli HR1 HR2 log Lx
1RXS J145732.0-212519 0.1731 ± 0.07081 0.001443 44 9 -1 ± 0.49 -1 ± 0 27.64


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 J145727.7-212446 190419 n00.002 0.2209 ± 0 0.001139 191 33 531 970218 to 970218 0 ± 0 0 ± 0 rgb rgbd 27.74
2RXP J145727.9-212448 190421 n00.001 0.1559 ± 0 0.001047 267 21 702 970221 to 970221 -0.71 ± 0.05 -0.2 ± 0.19 rgb rgbd 27.59
2RXP J145727.3-212442 190423 n00.006 0.1999 ± 0 0.001406 378 38 820 970218 to 970218 -0.77 ± 0.06 -0.33 ± 0.25 rgb rgbd 27.7
2RXP J145729.0-212451 800377 a01.010 0.2122 ± 0 0.001506 871 40 3730 930126 to 930128 -0.62 ± 0.03 -0.41 ± 0.08 rgb rgbd 27.72
2RXP J145729.0-212448 800377 n00.015 0.238 ± 0 0.0013 1305 40 5321 920814 to 920815 -0.5 ± 0.02 -0.12 ± 0.05 rgb rgbd 27.77


ROSAT High Resolution Imager (HRI):

Detection Number Sequence Id Count Rate SNR OAX Exposure Time Observation Date Images log Lx
1RXH J145727.6-212445 201159 a01.002 0.04422 ± 0.00499 8.1 2 1789 930217 to 930217 rgb rgbd 27.65
1RXH J145727.4-212441 201159 n00.003 0.04076 ± 0.00413 9.4 2 2443 920731 to 920801 rgb rgbd 27.61




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