Astronomy and Astrophysics – Astrophysics
Scientific paper
May 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993a%26a...272..477q&link_type=abstract
Astronomy and Astrophysics, Vol.272, NO. 2/MAYII, P. 477, 1993
Astronomy and Astrophysics
Astrophysics
13
Uv Spectroscopy, Rotational Modulation, Plages, Emission Measure, Radiative Losses
Scientific paper
We present IUE spectroscopy and optical photometry of the active late type star AU Mic. The UV spectroscopy allow us to measure the chromospheric and transition region line fluxes. No detectable variations attributable to rotational modulation were evident in either the chromospheric lines or optical bands. We have produced an emission measure curve for the quiescent state of AU Mic, which spans a temperature range 4.0 ≤ log Te ≤ 7.6 when coupled with previous X-ray flux measurements. The quiescent radiative losses per unit surface area over the above temperature range is ≍8 1O7 erg cm-2 s-1
Butler John C.
Byrne Brendan P.
Doyle Gerry J.
Quin D. A.
Swank Jean H.
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