What is Xephem?
- Xephem is an interactive astronomy program for X Windows
systems with Motif written by E.C. Downey. The program allows you
to view the positions of celestial objects on the sky graphically
as a function of time (ephem is short for ephemeris). Xephem
version 3.7.5 is currently installed on Astronomy Department machines.
How Do I Run Xephem?
To run xephem, login to an astronomy maching and open up a
windowing system. Then type which xephem at the
prompt in one of the windows to see if the command is available. If it
is, type xephem to run.
Or download xephem onto your home machine from the Xephem Home
Where Can I Learn More?
- Type man xephem at the Unix prompt for system
- Use the Help Buttons accessible
from each xephem window.
Xephem Home Page.