[fitsbits] start of Public Comment Period on the Green Bank convention

William Pence William.Pence at nasa.gov
Mon Jun 22 15:09:46 EDT 2015


The HEASARC has also used the Green Bank convention for some UV/X-ray 
data sets over the past couple decades.

On 6/22/2015 2:43 PM, THIERRY FORVEILLE wrote:
>>> The proposed draft text is available at
>>> http://sax.iasf-milano.inaf.it/~lucio/FITS/Conventions/greenbank-upd2.pdf
>>
>> I have to say I find way of storing images pretty confusing. What's the
>> advantage of storing them this way instead of creating separate FITS
>> extensions?
>>
> The context of the use cases that I know of is one where the images are 1D
> (single-dish radioastronomical spectra), small (O(1Kpixels)), and numerous
> (O(10^4)). Creating separate FITS extension would waste significant space
> (of order a factor of two), and also would not outline as well the structural
> unity of the dataset.
>
>>   Is it just of historical interest?
>>
> The convention is in use in single dish radio-astronomy. I don't know of
> any use case outside that field.
>



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