M) Apertif DR1 - Continuum images

This service queries the continuum images of the Apertif DR1 data collection. This data release contains continuum images, HI cubes, polarization cubes and other ancillary data (e.g. raw and calibrated visibilities). The imaging survey is split into two tiers: a wide-shallow tier consisting of a single observation per field and a medium-deep tier consisting of ten observations per field. The imaging survey footprint can be found in the Imaging Survey overview while the area covered by the DR1 can be found in the Apertif DR1 dataproducts description. The multi-frequency continuum images available in this service query are created over the full processed frequency range (currently 150 MHz) and saved as a fits file for each beam. These images are 3.4°×3.4°(3073×3073 pixels, with 4′′/pixel), which extend well beyond the 10% primary beam level. The default search parameters are set to limit the result to 0.75 degrees from the center of the beam. The angular resolution of the imaging survey observations is ∼ 15′′×15′′/sin(δ). Please find more details in the Apertif DR1 Documentation.

ICRS Position, RA,DEC, or Simbad object (e.g., 234.234,-32.45)
Size in decimal degrees (e.g., 0.2 or 1,0.1)
Relation of image and specified Region of Interest.
Name of the field. Matches also partial input (e.g. m1403+5324 or 1403+5324).
Observation id
Beam number
Maximum distance to the center of the images
Sort by
Limit to items.
Data products of this release are hosted on the Apertif Long Term Archive (ALTA) infrastructure.
We appreciate your feedback
For questions please contact the sdc-helpdesk
ALTA logo
The ALTA infrastructure is part of a project that has received
funding from the European Union's Horizon 2020
research and innovation programme under
grant agreement No 730562 [RadioNet].