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Author: BATSE Pulsar Team	Date: January 11, 2000
Contact: Dr. Robert B. Wilson

BATSE Bright Source Report (Pulsed Sources)

Vela X-1

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

Source Monitor Parameters
RA	135.528 deg
Decl	-40.554 deg
OTTB Temp	20.0 keV
Orbital Parameters
Orbital Period	8.964416 days
Period Deriv.	0.0 days/day
Epoch	2448564.0364 (JED)
axsin(i)	113.61 light-sec
Long. of periastron	153.2 deg
Apsidal Rate	0.0 deg/year
Eccentricity	0.0883