The EXOSAT Raw data
EXOSAT raw data FTP area on the legacy.gsfc.nasa.gov machine. The data were made available from the HEASARC on-line system in May 1994. An additional shipment of data arrived in September 1994, and was put on-line in December 1994. Not all the data could be recover because some of the earliest 1600 BPI tapes were badly damaged. There are 53 observations for which data from one (or more) experiment are not available neither in the archive (see list of missing data).
The FOT data are in their binary native format. HEASARC is reformatting the EXOSAT raw data to FITS format.
Software for the Raw Data native format:
HEASARC FTP area
LE data For each LE (LE1 and LE2) obervation in the EXOLOG database, the corresponding FOT was translated in FITS file. There are 2221 entries in the EXOLOG marked as LE1 or LE2 observations, but more than one observation can be included in the same FOT. These duplicate observations are 218. In addition for 19 out 2221 the FOT is missing. The total number of FOTs processed is 1984 (see list ) for an total amount of 12.4 Gyg of data (compress size). Each FOT in FITS format consists in a variable number of FITS files. The basic files are a catalog, housekeeping, orbit and event files. The catalog file gives an overview of the observation in particular records time periods where valid data were collected. To each time period of valid data is associated an housekeeping and event file. On the total number of FOTs processed 85 show errors due to corrupted records in the FOT (see list ).
100000 PV Performance Verification 200000 CAL+TOO+OPS Calibration+Target of Opportunity+Operational Activities 300000 LLX CV+Star 400000 HLX X-ray Binaries 500000 SNR SNR 600000 EXG Normal Galaxy 700000 AGN AGN 800000 CLU Cluster of Galaxies 900000 MIS+DEE miscellaneous and deep fieldsThe sequence number is added to proposal code number to make the directory name.
HEASARC Home | Observatories | Archive | Calibration | Software | Tools | Students/Teachers/Public
Last modified: Wednesday, 08-Oct-2003 18:36:29 EDT