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Observation Locator Table Access Protocol
Version 1.0

IVOA Recommendation 24 July 2021

Interest/Working Group:
http://www.ivoa.net/twiki/bin/view/IVOA/IvoaDataModel
Author(s):
Aitor Ibarra, Jesús Salgado, Matthias Ehle, Carlos Gabriel, Peter Kretschmar, Erik Kuulkers, Bruno Merín, Jan-Uwe Ness, Emilio Salazar, Richard Saxton, Baptiste Cecconi, Karl Foster, Markus Demleitner, James Dempsey, Marco Molinaro, Celia Sánchez, Mark Taylor, María Díaz Trigo, Mónica Fernández, Jaime Kennea, Mark Kettenis, Giorgio Matt, Julian Osborne, Emma de Oña Wilhelmi, Edward J. Salbol, Gregory Sivakoff, Lian Tao, Aaron Tohuvavohu, Michael Tibbetts, Bill Workman
Editor(s):
Jesús Salgado, Aitor Ibarra

Abstract

The Observation Locator Table Access Protocol (ObsLocTAP) defines a data model for scheduled observations and a method to run queries over compliant data, using several Virtual Observatory technologies. The data model builds on the ObsCore data model, removing elements associated with dataset access that are not available during the planning phase. In this way, this standard is focused on access to metadata related to the planning of a certain observatory, more than on access to the scientific data products. Also, the data model will be focused on discovery of planned observations, which is very useful information for multi-wavelength coordination observations, re-planning information propagation, follow-up of Targets of Opportunity alerts, preparation of proposals, etc. As with ObsCore, a serialisation into a relational table is defined, which allows users to run complex queries using the IVOA Table Access Protocol. The document also prescribes how to register and discover ObsLocTAP services.

Status of this document

This document has been produced by the Data Model Working Group.
It has been reviewed by IVOA Members and other interested parties, and has been endorsed by the IVOA Executive Committee as an IVOA Recommendation. It is a stable document and may be used as reference material or cited as a normative reference from another document. IVOA's role in making the Recommendation is to draw attention to the specification and to promote its widespread deployment. This enhances the functionality and interoperability inside the Astronomical Community.



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