1. NHSC Workshop August 2013 NASA Herschel Science Center - page 1 PACS David R. Ardila User Support coordinator / NHSC Archive Scientist Recap of Data Access Methods See Chapter 1 of Data Analysis Guide and youtube videos!

2. NASA Herschel Science Center - page 2 PACS NHSC Workshop August 2013 Data Management Data management in Herschel is complicated by the size of datasets Everything is about making data management efficient Do you really need big data sets in your disk?

3. NASA Herschel Science Center - page 3 PACS NHSC Workshop August 2013 HIPE HSA “Send to External Application” getObservation(…,useHsa=True) Product Browser For most people, this is all you need. Gets references to the data in HIPE and downloads data as needed Useful for Quick inspection Data reduction Does not save, unless you do it explicitly* *of course, there is a way to override this!

4. NASA Herschel Science Center - page 4 PACS NHSC Workshop August 2013 HIPE HSA “Send to External Application” HSA to local disk May be slow But then you have the data It allows you to bypass HIPE Tar file in local disk “Retrieve Products” getObservation() Use Navigator getObservation(…,useHsa=True) Product Browser Directory in local disk untar

5. NASA Herschel Science Center - page 5 PACS NHSC Workshop August 2013 HIPE HSA “Send to External Application” Tar file in local disk “Retrieve Products” getObservation() Use Navigator getObservation(…,useHsa=True) Product Browser Directory in local disk untar HIPE getObservation() Product Browser Local Pools (working directories in the local disk) saveObservation() saveProduct() Save Products GUI Pools are good if: You have a lot of data That needs reprocessing

6. NASA Herschel Science Center - page 6 PACS NHSC Workshop August 2013 HIPE HSA “Send to External Application” Tar file in local disk “Retrieve Products” getObservation() Use Navigator getObservation(…,useHsa=True) Product Browser Directory in local disk untar HIPE getObservation() Product Browser Local Pools (working directories in the local disk) saveObservation() saveProduct() Save Products GUI myHSA A type of pool. Unmodified data (or links) from HSA getObservation(…, useHsa=True, save=True) getObservation() Product Browser

7. NASA Herschel Science Center - page 7 PACS NHSC Workshop August 2013 HIPE HSA “Send to External Application” Tar file in local disk “Retrieve Products” getObservation() Use Navigator getObservation(…,useHsa=True) Product Browser Directory in local disk untar HIPE getObservation() Product Browser Local Pools (working directories in the local disk) saveObservation() saveProduct() Save Products GUI myHSA A type of pool. Unmodified data (or links) from HSA getObservation(…, useHsa=True, save=True) getObservation() Product Browser