2S 1553-542 History from Sep 3, 2024 to Nov 10, 2024
2S 1553-542 Full History
The most recent pulse profile quick look:
2S 1553-542_Profile
New Fits Version of Full History (Beta version):
2S 1553-542
Old Fits Version of Full History: 2S 1553-542
2S 1553-542
The parameters below are used for this source in the GBM epoch-folding monitor
| Source Monitor Parameters
|
| RA |
239.4542 deg |
| Decl |
-54.4150 deg |
| Orbital Parameters
|
| Orbital Period |
31.363796 days |
| Period Deriv. |
0.0000E+00 days/day |
| Tπ/2 |
2457089.44413 (JED) |
| axsin(i) |
203.307 light-sec |
| Long. of periastron |
161.86 deg |
| Eccentricity |
0.0368 |
Notes:
Preliminary orbit from GBM data by P. Jenke updated Jan 2021
Modification date:
21 Nov, 2025