Fourth SWAS Public Data Release (April 2002)

The fourth SWAS public data release consists of a complete set of SWAS data from mission day 0049 (the first day of useful science data) to mission day 779. Mission day 0001 was defined to be November 01, 1998.

New Objects in the 4^th Public Release

afgl961
gl4176
gl4176-30
gl490
l1448
n2264sc-s
ngc1333_s13-30
ngc7538irs9
oh231.8+4.2
rcw34
sgra-105
sgra-120
sgra-150a
sgra-90
sgrb2+150
sgrb2-156
w3irs5
w_hya-60

Known Issues With Data Files

• There are duplicate entries in the FITS-format archive where individual positions of several sources appear to have duplicate, identical grand co-adds for each spectra line (in other words, the line spectra are 725x2 in dimension instead of 725x1). This appears to be an IRAF problem. The SWAS-Science Operations Center (SWAS-SOC) will try to correct this problem in a future public release.
• As with public data release #3, the SWAS Science Operations Center has chosen not to provide FITS-format grand co-add files for moving targets/time-variable targets at this time. Such a grand co-add would be misleading and confusing to archive users. The SWAS SOC recommends that archive users work with the Class-format files for these targets.

Moving Targets/Time-Variable Targets

	Comet Lee	(c_lee)
	Jupiter	(jupiter)
	Mars	(mars)
	Saturn	(saturn)

These notes have been prepared by IRSA from release notes provided by the SWAS Science Operations Center at SAO.

May 6, 2002