[REMINDER] DAL Running Meeting #20 - Spectral lines

[Gregory MANTELET]

Hello,

For all interested individuals, this is a reminder for the DAL Running 
Meeting #20 about Spectral Lines.
It is *today *at*2:00 PM UTC* /(see below for the Zoom link)/.

Best regards,
Grégory and Joshua


On 06/05/2025 11:23, Gregory MANTELET wrote:
> Dear DAL members and DM chairs,
>
> Thanks you for your votes.
>
> Here are the info for the next DAL running meeting:
>
>     *Date     :* *Monday 12 May 2025*
>     *Time     :* *2:00 PM UTC*
>     *Duration :* 1 hour
>     *Zoom link:*
>     https://cnrs.zoom.us/j/93123478759?pwd=CijFJxycChKygbAT97JG3eYrvzbMlG.1
>     <https://cnrs.zoom.us/j/93123478759?pwd=CijFJxycChKygbAT97JG3eYrvzbMlG.1>
>     /(//*Meeting ID:* 931 2347 8759 ; //*Passcode:* 85aNGH)/
>
>
> Best regards,
> Grégory and Joshua
>
>
> On 25/04/2025 16:16, Gregory MANTELET wrote:
>> Dear DAL members and DM chairs,
>>
>> In the IVOA and more specifically in DAL, we do not have yet a stable 
>> solution
>> to give access to spectral lines.
>>
>> For the record, REC-SLAP-1.0 
>> <https://urldefense.com/v3/__https:/www.ivoa.net/documents/SLAP/20101209/index.html__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vof7nqpG$> 
>> (Simple Line Access Protocol) was published in
>> 2010. Very few SLAP-1.0 services are available in the IVOA Registry. 
>> It seems
>> that the data model proposed by this protocol is not complete enough: 
>> SSLDM-1.0 
>> <https://urldefense.com/v3/__https:/www.ivoa.net/documents/SSLDM/20101209/index.html__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vtjRWL8f$>.
>> With the help of VAMDC, a second version has been proposed: SLAP-2.0 
>> <https://urldefense.com/v3/__https:/www.ivoa.net/documents/SLAP/20190409/__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vnbPwp32$>. 
>> It is a
>> Working Draft since 2019. In parallel SSLDM-2.0 
>> <https://urldefense.com/v3/__https:/www.ivoa.net/documents/SSLDM/20190909/__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vi9pVVfw$> 
>> (also in 2019) is a Proposed
>> Recommendation and reaches the RFC stage. Both have been frozen in 
>> order to
>> explore an alternative solution: LineTAP 
>> <https://urldefense.com/v3/__https:/www.ivoa.net/documents/LineTAP/20241121/index.html__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vm3C8Fl8$>. 
>> It is based on TAP and defines a
>> different and independent data model.
>>
>> It is now time to decide which protocol is the most helpful from the 
>> point of
>> view of data providers and users. This is the goal of the DAL Running 
>> Meeting
>> that Joshua and I are now proposing. Note that, as the main actors 
>> for spectral
>> lines, I had recently a meeting with VAMDC and CASSIS developer in 
>> order to have
>> their point of view and see what would be their preferred solution 
>> and why. I
>> will start the running meeting by giving conclusions of this side 
>> meeting.
>>
>> @Mark, Mathieu: I invited both of you because providing spectral 
>> lines implies
>> data models and more specifically SSLDM. It would nice to have one of you
>> during this meeting.
>>
>> Anyway, in order to find the best possible date, please, answer to 
>> the following poll
>> before the 2nd of May:
>>
>> https://strawpoll.com/xVg716X0Qyr 
>> <https://urldefense.com/v3/__https:/strawpoll.com/xVg716X0Qyr__;!!CrWY41Z8OgsX0i-WU-0LuAcUu2o!xXw1mHo0wm3raE559ej1IyKbxHBjoMMlryx6v15g6O7w1x8ZR81QKXwP1I5nlR7-UcBQXZvoXmRCCYatsYOGwMbd83I_vhVvE-8W$>
>>
>> As usual, this meeting will be one hour long and will be remote 
>> (using Zoom).
>>
>> Best regards,
>> Grégory and Joshua 
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.ivoa.net/pipermail/dal/attachments/20250512/3854a0a1/attachment.htm>