Extreme-Ultraviolet Spectroscopy and Photometry of EQ Pegasi

Details Extreme-Ultraviolet Spectroscopy and Photometry of EQ Pegasi Extreme-Ultraviolet Spectroscopy and Photometry of EQ Pegasi

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995apj...449..376m&link_type=abstract

Astrophysical Journal v.449, p.376

Astronomy and Astrophysics

Astronomy

14

Line Identifications, Stars: Flare, Ultraviolet: Stars

Scientific paper

We present the first spectroscopic extreme-ultraviolet observations of the star EQ Peg (dM4e+dM6e) obtained during a guest observer pointing with the Extreme Ultraviolet Explorer (EUVE) satellite. EQ Peg was detected in all three spectrometer channels (70-760 Å) and was successfully monitored at the same time by the EUVE Deep Survey photometer (67-178 Å). We have identified the main features observed in the spectra and conclude that a number of lines are produced by the highest ionization stages of iron. The detections in the 280-760 Å range are mainly caused by second-order throughput, except for the He II λ304 line. Evidence of activity modulation during the observation is present in both the photometric and spectroscopic data.

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