OSIRIS Operations

OSIRIS is a complex instrument to operate. A baseline operations spreadsheet has been constructed to help plan the observations OSIRIS will take. This spreadsheet (originally in EXCEL) has been split up and placed on the WWW to allow Co-Is to view and assess the ability of the sequences to perform the scientific objectives.

To view this operations spreadsheet, your should enter the resources page which shows the individual phases of the mission and the resources each phase of the mission consumes (e.g. number of images acquired, data volume acquired, etc). Once you reach the resources page, there are links to the sequences used in each phase. Note all phases have been translated into HTML at this time. The sequences for commissioning, the asteroid fly-bys and the Mars Gravity Assists are there, however. The sequences are already in a timeline which can be assessed by the Co-Is. Inside these timeline, there are links to the individual images requested for each sequence. The links are through the individual sequence number. All sequences required for the given phases should be present. Hence, you can assess the data acquired and whether this will meet your scientific objectives.

To assist you, there is also a page showing the geometries for the asteroid and planet fly-bys. Note particularly the low phase angle approach for the asteroid fly-bys. Also note that the present fly-by imaging sequences do not differentiate between the asteroids (Otawara and Siwa) i.e. the sequences are identical. This requires some re-assessment in the immediate future. You can got to the resources sheet through here.



Page prepared by Nick Thomas (thomas@linmpi.mpg.de)