Vela X-1 History from Jun 21, 1998 to Jun 21, 1999
Vela X-1 Full History
Fits Version of Full History: Vela X-1
Vela X-1
The parameters below are used for this source in the BATSE epoch-folding monitor
| BATSE Source Monitor Parameters
|
|---|
| RA |
135.5286 deg |
| Decl |
-40.5547 deg |
| Orbital Parameters
|
|---|
| Orbital Period |
8.9643680 days |
| Period Deriv. |
0.0000E+00 days/day |
| TPeriastron |
2448895.71860 (JED)
| | axsin(i) |
113.890 light-sec |
| Long. of periastron |
153.59 deg |
| Eccentricity |
0.0898 |
| Egress |
0.12 |
| Ingress |
0.92 |
Notes:Times in BATSE fits files are in TJD (MJD-40000.). Orbits used for BATSE files are from the original analysis.
Modification date:
21 Feb, 2020