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Herschel Highly Processed Data Product Page

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HPDP release notes

The following document is a template for release notes to be associated with HSC-curated HPDP deliveries.

 

HPDP plans per instruments

HPDPs have been identified by each instrument team, although it is likely that not all of them will be possible to prepared in certain cases. We indicate hereafter the HPDPs currently contemplated by each instruments, with some common delivery categories that will be considered or not.

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 For unchopped and chop-nod. QC: comment on obsids likely to be affected by contamination in the off ; HPDP remove the continamination before doing the off-subtraction and produce a Level 2/2.5 context, or provide the on-source and off-source cubes separately so the user can assess the damage
High as a QC, Low as an HPDP Results in SPG will be definitely not science-ready if the off position is contaminated Need to identifty contaminated sources by comparing spectra in different off positions, spectra again a super-off, looking for line peaks in the off-source spectrum Much effort in finding the sources, as while we have ideas how to do it they have not been tested; removing line contamination is probably fairly straightforward but will require intervention in the tasks of the SPG script, for continuum contamination we we will probably have to just remove a standard background Potentially some months, depends on whether our current idea work out-of-the-box or not All obsids need to be searched, but hoping some dozen of sources are only affected
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Hav eto consider dases where there is emision in the off that is also in the on, whether at the same or a different level, or wavelength shifted or not, and also that is not in the on. For both, the SPG results will be wrong, but with the first you may not know (with the second you will probably see absorption lines where the contamination has been subtracted)
Line list catalogue Spectral Feature catalogue Nice to have but ICC have no interest here and consider it Low SPIRE and HIFI have one, so why not PACS. Catalogues always produce unexpected science and are a very good Legacy product Need scripts to find lines, fit lines and maybe identify lines Need to create the scripts: KE has a student at Leuven testing out fitting lines, and may have a student in 2016-17 to test out finding lines If the student projects go well, some time in 2017 the resulting scripts could be run on the PACS spectroscopy archive (or subsets of that)
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Hav eto consider dases where there is emision in the off that is also in the on, whether at the same or a different level, or wavelength shifted or not, and also that is not in the on. For both, the SPG results will be wrong, but with the first you may not know (with the second you will probably see absorption lines where the contamination has been subtracted)
Line list catalogue Spectral Feature catalogue Nice to have but ICC have no interest here and consider it Low SPIRE and HIFI have one, so why not PACS. Catalogues always produce unexpected science and are a very good Legacy product Need scripts to find lines, fit lines and maybe identify lines Need to create the scripts: KE has a student at Leuven testing out fitting lines, and may have a student in 2016-17 to test out finding lines If the student projects go well, some time in 2017 the resulting scripts could be run on the PACS spectroscopy archive (or subsets of that)
 

SPIRE-P

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