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A&A manuscript no. (will be inserted by hand later)
 

Summary: A&A manuscript no.
(will be inserted by hand later)
Your thesaurus codes are:
12.03.1; 19.09.1; 19.11.1; 19.24.1; 19.31.3
ASTRONOMY
AND
ASTROPHYSICS
11.8.1997
Research Note
Chromospheric & coronal activity levels in the nearby faint
M dwarf Gl105B
J.G. Doyle 1 , C.I. Short 1 , P.B. Byrne 1 , and P.J. Amado 1
Armagh Observatory, College Hill, Armagh BT61 9DG, N. Ireland
Received date, accepted date
Abstract. Monitoring with the HRI onboard ROSAT
failed to detect the nearby faint M dwarf star Gl 105B
(a star of anomalously low chromospheric and coronal
activity), implying log L x ! 26:1. High resolution op­
tical data for Ca ii HK indicate a surface flux of ¸
6:5 10 3 erg cm \Gamma2 s \Gamma1 , in good agreement with the pre­

  

Source: Armagh Observatory

 

Collections: Physics