Facility and instrument terms in the different protocols

[Matthew Graham]

The organization overseeing/controlling the observation: ZTF Project
The hardware/telescope: Palomar 48-inch telescope
The instrument/detector: Zwicky Transient Facility

> On Apr 27, 2022, at 3:26 PM, Tim Jenness <tjenness at lsst.org> wrote:
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>> On Apr 27, 2022, at 15:17, CresitelloDittmar, Mark <mdittmar at cfa.harvard.edu> wrote:
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>> The Dataset model uses a Party/Role relation to define the Facility itself.  This was a lean toward tie-in with Provenance, and while that may be overkill, it shows that this is definitely thinking of Facility as an Organization and not a piece of hardware.
>> For space-based data, I can see 3 layers on this:
>>   o The organization overseeing/controlling the observation (CXC Operations Center)
>>   o The hardware/telescope (Chandra X-Ray Observatory)
>>   o The instrument/detector (ACIS or HRC)
>> 
> 
> Doesn’t ground-based data have the same three layers?  Rubin Observatory operates the Simonyi Telescope using the LSSTCam instrument. Similarly NOIRLab operating Gemini etc.
> 
> — 
> Tim Jenness