593. Serendipitous EUV Sources Detected during the First Year of the
Extreme Ultraviolet Explorer Right Angle Program
(McDonald, et al. 1994)
K. McDonald, N. Craig, M.M. Sirk, J.J. Drake, A. Fruscione, J.V. Vallerga, and R.F.
Malina, Astron. J., 108, 1843-1853, 1994.
Paper
Tables
- Table 1: 10% Filter Bandpasses (see Paper)
- Table 2: EUVE Right Angle Program Source List (
text or
PostScript )
- Table 3: Breakdown of RAP Source List by Spectral Type (see Paper)
Figures
- Figure 1 (PostScript) : Adopted UV effective areas for
Lexan/B filter/detector systems of EUVE scanning telescopes based on
measurements of the sunlit Earth and Moon (curves) and ground-based UV
throughput measurements at specific wavelengths (open symbols). Note
that the throughput for Scanner B is about 20 times lower than that
for Scanner A at 2537 Å.
- Figure 2: Figure 2a (PostScript) shows the Lexan/B count
rates derived from data collected by Scanner A for 60 detected B stars
from the EUVE all-sky survey vs. their visual magnitude. The filled
squares represent B stars with spectral type B0 through B3, while the
open squares represent spectral type B5 through B9.5. Figure
2b (PostScript) plots the same for the data collected by
Scanner B. Note that the sensitivity to UV photons is much higher for
Scanner A than for Scanner B. The open triangle represents the count
rate for HR 2875 (B5Vp), the only B star detected in both the Al/Ti/C
and Lexan/B bandpasses during the RAP. Note also that beta Per shows
an anomalously high Lexan/B count rate for a later type B star,
indicating that some of these photons result from EUV flux from this
interacting binary system.
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