Apertif Elais: Resource Record Summary

Resource Record Summary

Catalog Service:
Apertif Elais - Catalogue

Short name: Apertif Elais IVOA Identifier: ivo://astron.nl/apertif_elais/q/conePublisher: ASTRON More Info: https://vo.astron.nl/apertif_elais/q/cone/info VO Compliance: Level 2: This is a VO-compliant resource.	Status: active Registered: 2025 Feb 04 12:00:00Z
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Description

Apertif is a phased-array feed system for the Westerbork SynthesisRadio Telescope (WSRT), operating at 1.4 GHz and providing forty instantaneous beams over 300 MHz of bandwidth. This data release includes the image of the ELAIS-N field observed with Apertif. The image covers 25 square degree region, has an angular resolution of 18x11 arcseconds and a median background noise of 37 μJy/beam. The corresponding source catalog, complete down to the 0.3 mJy level, includes 8526 sources. https://science.astron.nl/telescopes/wsrt-apertif/apertif-data-access/data-releases/apertif-single-fields/

More About this Resource

About the Resource Providers

This section describes who is responsible for this resource

Publisher: ASTRON

Creator: Apertif Team

Contact Information:

X Michael Sipior
Email: vo at astron.nl
Address: Oude Hoogeveensedijk 4
7991PD Dwingeloo
the Netherlands

Status of This Resource

This section provides some status information: the resource version, availability, and relevant dates.

Version: n/a
Availability: This is an active resource.

This service apparently provides only public data

Relevant dates for this Resource:

Updated: 2025 Feb 24 08:45:55

This resource was registered on: 2025 Feb 04 12:00:00Z
This resource description was last updated on: 2025 Feb 24 08:45:55Z

What This Resource is About

This section describes what the resource is, what it contains, and how it might be relevant.

Resource Class: CatalogService: This resource is a service that provides access to catalog data. You can extract data from the catalog by issuing a query, and the matching data is returned as a table.

Resource type keywords: Survey Images and Catalogs	Subject keywords: astronomical databases — surveys — catalogs — radio This service provides data from: facility: WSRT instrument: Apertif
Intended audience or use: Research: This resource provides information appropriate for supporting scientific research.
More Info: https://vo.astron.nl/apertif_elais/q/cone/info
Related Resources: Services that provide access to data in this resource: The VO @ ASTRON TAP service ivo://astron.nl/tap [Res. ID]

	Data Coverage Information
	This section describes the data's coverage over the sky, frequency, and time. Wavebands covered: Radio

Available Service Interfaces

Simple Cone SearchXXSearch Me

This is a standard IVOA service that takes as input a position in the sky and a radius and returns catalog records with positions within that radius.

VO Compliance: Level 2: This is a VO-compliant resource.
Available endpoints for the standard interface:

https://vo.astron.nl/apertif_elais/q/cone/scs.xml?

Maximum search radius accepted: 180 degrees
Maximum number of matching records returned: 100000

This service supports the VERB input parameter:: Use VERB=1 to minimize the returned columns or VERB=3 to maximize.

	VOSI AvailabilityXX
	This is a standard IVOA service endpoint that returns information about the availability and uptime of the main IVOA standard service. VO Compliance: Level 2: This is a VO-compliant resource. Available endpoints for the standard interface: https://vo.astron.nl/apertif_elais/q/cone/availability

	VOSI CapabilitiesXX
	This is a standard IVOA service endpoint that returns the detailed capabilities of the main IVOA standard service. VO Compliance: Level 2: This is a VO-compliant resource. Available endpoints for the standard interface: https://vo.astron.nl/apertif_elais/q/cone/capabilities

	VOSI TablesXX
	This is a standard IVOA service endpoint that returns information about the table schema managed by the main IVOA standard service. VO Compliance: Level 2: This is a VO-compliant resource. Available endpoints for the standard interface: https://vo.astron.nl/apertif_elais/q/cone/tableMetadata

	Table Access Protocol - Auxiliary ServiceXX
	This is a standard IVOA service that takes as input an ADQL or PQL query and returns tabular data. VO Compliance: Level 2: This is a VO-compliant resource. Available endpoints for the standard interface: https://vo.astron.nl/tapX(version 1.1 compatible)