[csp] Astropy - IVOA - pyVO follow-up online discussion in May

Thu May 13 18:47:18 CEST 2021

Thanks Tom,

We have just had programmed a session of 60 minutes on Tuesday May the 25th at 15:00 UTC to discuss about these topics. See the full draft agenda of the meeting here <https://wiki.ivoa.net/twiki/bin/view/IVOA/InterOpMay2021>. 

I would like to propose to have a presentation by Tom, possibly followed by a few slides from any of the pyvo maintainers at LSST, CADC or ESA if possible, and then followed possibly by someone from the astropy core team and then to leave some minutes for an open discussion on how to make the contribution of IVOA members to the astropy project more successful in the future. What do you think?

Would any of you volunteer to make such small (rather informal) presentation? Hopefully a short discussion later in the month could help our two communities continue to improve further our currently working collaboration. Please feel free to bring up any issues that you would prefer to discuss beforehand and we can certainly have a short zoom meeting if you guys think that would help making the meeting more efficient.

Many thanks in advance for your time, 

Bruno

> On 12 May 2021, at 16:44, Tom Donaldson <tdonaldson at stsci.edu> wrote:
> 
> Hi Bruno,
>  
> I’m interested in this discussion and am certainly available for the IVOA meeting.  As you say, at a high level it will be interesting to discuss what is going well and what could work better, and what the current thinking is on pyvo becoming an astropy coordinated package.  IVOA contributions to pyvo (and astropy) have been increasing, but more participation would obviously be better.  These lower level specific questions regarding where VO functionality should be built and maintained may also help inform the discussion:
>  
> What is the timeline for deprecating TAPPlus in astroquery in favor of a unified pyvo TAP implementation?  Seehttps://github.com/astropy/astroquery/pull/2034 <https://github.com/astropy/astroquery/pull/2034>
> Where should handling of VOTable metadata live?  A specific instance of this is here:https://github.com/astropy/astroquery/issues/2036 <https://github.com/astropy/astroquery/issues/2036>
>  
> Cheers,
> Tom
>  
>  
> From: Bruno Merin <bruno.merin at sciops.esa.int>
> Date: Thursday, April 22, 2021 at 1:40 PM
> To: Tom Donaldson <tdonaldson at stsci.edu>, Erik Tollerud <etollerud at stsci.edu>, Thomas Robitaille <thomas.p.robitaille at gmail.com>, Brigitta Sipocz <bsipocz at gmail.com>, Adam Ginsburg <adam.g.ginsburg at gmail.com>, TCG IVOA <tcg at ivoa.net>, Baptiste Cecconi <baptiste.cecconi at obspm.fr>, AdaNebot <ada.nebot at astro.unistra.fr>, "Damian, Adrian" <Adrian.Damian at nrc-cnrc.gc.ca>, Kelle Cruz <kellecruz at gmail.com>, Christine Banek <CBanek at lsst.org>, Javier Duran <jduran at sciops.esa.int>
> Cc: AstroPy Coordinators <coordinators at astropy.org>, csp <csp at ivoa.net>
> Subject: Astropy - IVOA - pyVO follow-up online discussion in May
>  
> Dear all, 
>  
> I hope my email finds you all and your families well and with good health.
>  
> It is now roughly two years since some of us got together at a nice hackathon in Paris between astropy, astroquery and IVOA software engineers to identify possible synergies and to try to put a collaboration on motion.
>  
> In preparation for the upcoming IVOA online interop meeting from the 25th to the 28th of May, we would like to ask whether you could be available for a follow-up discussion of approx. 1.5 hours, on what worked well, what is ongoing, and what could still do to better for the benefit of the astronomical community as a whole. Among other things, we would like to understand what is pending for pyvo to become an astropy affiliated package and to get your advice on what could be the best use of people’s times in this collaboration or by contributing to astropy.
>  
> Please share your thoughts about this conversation and this collaboration via email and let me know whether you could participate in a session, whose exact date and time is still TBD.
>  
> Many thanks in advance for your time and I look forward seeing you soon,
>  
> Bruno
>  
>  
> 
> ESA - European Space Agency
> Dr. Bruno Merín
> Head of the ESAC Science Data Centre (SCI-SAA)
> European Space Astronomy Centre (ESAC)
> Camino Bajo del Castillo s/n
> Villanueva de la Cañada, 28692 Madrid, Spain
> Bruno.Merin at esa.int  <mailto:bruno.merin at esa.int>| cosmos.esa.int/esdc <http://cosmos.esa.int/esdc>
> Phone: +34 91 813 1456 | Fax: +34 91 813 1218
> 
> 
> On 20 Mar 2019, at 18:32, Bruno Merin <bmerin at sciops.esa.int <mailto:bmerin at sciops.esa.int>> wrote:
>  
> Dear Tom, Erik, Thomas, Brigitta and Adam,
>  
> We are planning to organize a hackathon on May 15th 2019 in the afternoon at our Paris IVOA interop meeting <https://indico.obspm.fr/event/64/overview> where we would like to invite people to do hacks that explore the links between astropy/astroquery and the VO infrastructure, in particular focussing possibly on time-domain use-cases. 
>  
> Ada Nebot, who is coordinating the IVOA time domain interest group (TDIG), she proposed the following two areas of possible interest / overlap although there might be others:
>  
> 1 - VOTable <—> astropy: Conversions between VOTables with the TIMESYS element and the astropy.time class.
> VOTable: http://www.ivoa.net/documents/VOTable/20190318/ <http://www.ivoa.net/documents/VOTable/20190318/>
> astropy.time http://docs.astropy.org/en/stable/time/index.html <http://docs.astropy.org/en/stable/time/index.html>
>  
> 2 - T-MOC & astropy : The T-MOC format is a time-dependent Multi-Order Coverage structure, e.g. a healpix structure that indexes spatially the existing data in the sky (that is the MOC), but chopped off in time intervals to allow easy visualization and access to data in both space and time (that is the T-MOC).
> https://wiki.ivoa.net/internal/IVOA/InterOpMay2018TDIG/TDIG-TBoch-TMOC-MOCPy.pdf <https://wiki.ivoa.net/internal/IVOA/InterOpMay2018TDIG/TDIG-TBoch-TMOC-MOCPy.pdf>
> https://github.com/cds-astro/mocpy/blob/master/notebooks/tmoc.ipynb <https://github.com/cds-astro/mocpy/blob/master/notebooks/tmoc.ipynb>
>  
> The reason of my message is to inform you about this hackathon, ask for your feedback on whether this would be of interest or not for some of the astropy developers and to ask for advice on how do you think this event could be more useful to both the astropy users and IVOA users. It would also be great if you would know some astropy contributor who might be based in Paris and might want to come in person to the session.
>  
> Finally, should you be interested, you are all of course invited to join any of the two telecons described below where we will discuss what to prepare and how to organize the hackathon.
>  
> Thanks in advance for your time,
>  
> Bruno
>  
>  
>  
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