The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 20 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. The survey is open until Dec 18, 2023. We thank you in advance for your valuable feedback.

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filter column

This filter enables events to be extracted based on other attributes present as columns in the event file. At present a series of ranges can be given with the lower and upper limits separated by a column. For instance, suppose an event file has a column PIXEL then a column filter "PIXEL=1:2 6:7" will give events with PIXEL values of 1,2,6 or 7. More than one column can be given eg "PIXEL=1:2 FLAGS=0:0". If the filter is given on the command line then it should be enclosed in double quotes.


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Last modified: Tuesday, 10-Jan-2023 11:03:01 EST

The HEASARC welcomes your participation in a brief survey to capture how users access and utilize HEASARC data, software, and services. The outcome(s) of this survey will be used to guide, prioritize, and plan our activities and development in the coming years. It contains 20 questions, generally takes just a few minutes to complete, and your answers will remain totally anonymous. The survey is open until Dec 18, 2023. We thank you in advance for your valuable feedback.