SIMBAD references

1999ApJ...525.1009A - Astrophys. J., 525, 1009-1010 (1999/November-2)

Digging deeper in the coronal graveyard: postscript.


Abstract (from CDS):

An X-ray upper limit–from the ROSAT High Resolution Imager–is presented for ε Corvi (HD 105707), a K2 giant that lies in the ``noncoronal'' zone of the Hertzsprung-Russell diagram, but which previously was detected by the Hubble Space Telescope Goddard High Resolution Spectrograph in far-ultraviolet coronal proxies. The new measurement strengthens the anticorrelation between coronal X-rays and λ1380 carbon monoxide emission among the red giants.

Abstract Copyright:

Journal keyword(s): Stars: Coronae - stars: individual (ε Corvi) - Ultraviolet: Stars - X-Rays: Stars

Simbad objects: 6

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