Vela X-1

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RXTE/ASM lightcurves of Vela X-1. Red curve is the superposed orbital period. Blue line weight 3 arrows designate Chandra observation times, blue line weight 2 arrows designate Suzaku observation times, blue line weight 1 arrows designate ASCA observation times.
Compiled by Michael Lannum, July 28, 2009. Updated by Harry Hausner July 6, 2010.
List of Observation Times:


Instrument		Exposure time			Date			Julian Date

XTE There are 34 observations from this instrument, ranging from 1998-01-21 19:20:41 (2450835.306 UTC) to 2008-12-01 02:36:03.2 (2454801.608 UTC) and all above 10,000 seconds exposure time (from 10310 sec to 40833 sec).

ASCA			47424 (gis)		1993-06-25 02:49:44		2449163.617 UTC
			44576 (sis)
		
			44672 (gis)		1995-11-30 03:35:45		2450051.649 UTC	
			42208 (sis)

			38592 (gis)		1993-07-05 18:35:47		2449174.274 UTC
			34016 (sis)

Chandra (ACIS-S)	85160			2001-02-11 21:19:13		2451952.388 UTC
(HETG on)		30280			2001-02-05 05:28:51		2451945.728 UTC
			30140			2001-02-07 09:56:13		2451947.914 UTC
			28370			2000-04-13 09:56:49		2451647.914 UTC

Suzaku			104709.6		2008-06-17 04:45:17		2454634.698 UTC

CGRO/COMPTEL There are 12 observations from this instrument, ranging from 1991-05-10 22:06:14.4 (2448387.421 UTC) to 1993-08-17 22:55:12 (2449217.455 UTC) and all above 10,000 seconds exposure time (from 258779 sec to 1213407 sec).

RXTE/ASM lightcurves of Vela X-1. Red curve is the superposed orbital period.