ebarycen ephemeris choice
Posted: Mon Jul 07, 2025 6:24 pm
Hi,
In the documentation for the "ebarycen" task (https://erosita.mpe.mpg.de/dr1/eSASS4DR ... n_doc.html), it looks like there isn't a parameter option to specify which JPL ephemeris to use (e.g. DE200, DE405, DE440, etc.). When I run the task, I notice that by default, a "PLEPHEM" header column is added with the value "JPL-DE200". However, for consistency with other instrument data and to maintain up-to-date standards, I am aiming to use the JPL-DE440 ephemeris. Is there a way to specify this for ebarycen?
Thanks very much in advance,
Joheen Chakraborty
In the documentation for the "ebarycen" task (https://erosita.mpe.mpg.de/dr1/eSASS4DR ... n_doc.html), it looks like there isn't a parameter option to specify which JPL ephemeris to use (e.g. DE200, DE405, DE440, etc.). When I run the task, I notice that by default, a "PLEPHEM" header column is added with the value "JPL-DE200". However, for consistency with other instrument data and to maintain up-to-date standards, I am aiming to use the JPL-DE440 ephemeris. Is there a way to specify this for ebarycen?
Thanks very much in advance,
Joheen Chakraborty