OAO 1657-415 History from May 14, 2021 to Dec 3, 2021

OAO 1657-415 Short Frequency History

OAO 1657-415 Full History

OAO 1657-415 Full History

The most recent pulse profile quick look: OAO 1657-415_Profile

New Fits Version of Full History (Beta version): OAO 1657-415

Old Fits Version of Full History: OAO 1657-415


OAO 1657-415

The parameters below are used for this source in the GBM epoch-folding monitor

Source Monitor Parameters
RA
255.2038 deg
Decl
-41.6560 deg
Orbital Parameters
Orbital Period
10.447292 days
Period Deriv.
-9.7400E-08 days/day
Tπ/2
2452298.51790 (JED)
axsin(i)
106.157 light-sec
Long. of periastron
92.69 deg
Eccentricity
0.1075
Egress
0.07
Ingress
0.91

Notes:

Orbit from Peter Jenke at al. in prep.

Some detectors where turned off between 58474 and 58480 MJD. This resulted in reduced detection significance and an underestimation of pulsed flux.


Modification date: 3 Dec, 2021

Author Valerie Connaughton
Responsible Manager Stephen Elrod
Site Curator Peter Jenke