Data releases

Preliminary

The preliminary LoTSS data release (PDR) is described by Shimwell et al. (2017). It consists of 350 square degrees in the region of the HETDEX Spring field imaged at a resolution of 25 arcsec and a typical noise level less than 0.5 mJy/beam. Over 35,000 sources are detected.

Data release 1

LoTSS data release 1 (DR1) is described by Shimwell et al. (2019). It consists of images at the full resolution (6 arcsec) and sensitivity (better than 0.1 mJy/beam) of Dutch LOFAR over 400 square degrees in the region of the HETDEX Spring field. Over 325,000 sources are detected. The data release includes optical counterparts for 71% of the radio sources (Williams et al. 2019) and photometric redshifts for these sources (Duncan et al. 2019).

Images available from this site

For small regions of sky please use the cutout servers. For large sky areas, the individual mosaics are available for direct download from the sortable, searchable table below.


Pointing nameRA (deg)Dec (deg)High-res imageHigh-res RMS mapHigh-res residual mapLow-res imageLow-res residual image
P10Hetdex170.43749.748DownloadDownloadDownloadDownloadDownload
P11Hetdex12172.55847.493DownloadDownloadDownloadDownloadDownload
P12Hetdex11172.55852.122DownloadDownloadDownloadDownloadDownload
P14Hetdex04174.68049.748DownloadDownloadDownloadDownloadDownload
P15Hetdex13176.80147.493DownloadDownloadDownloadDownloadDownload
P164+55164.63354.685DownloadDownloadDownloadDownloadDownload
P169+55169.11454.709DownloadDownloadDownloadDownloadDownload
P16Hetdex13176.80152.122DownloadDownloadDownloadDownloadDownload
P173+55173.59754.732DownloadDownloadDownloadDownloadDownload
P178+55178.08554.756DownloadDownloadDownloadDownloadDownload
P182+55182.57254.779DownloadDownloadDownloadDownloadDownload
P187+55187.06454.803DownloadDownloadDownloadDownloadDownload
P18Hetdex03178.92249.748DownloadDownloadDownloadDownloadDownload
P191+55191.55854.826DownloadDownloadDownloadDownloadDownload
P196+55196.05454.850DownloadDownloadDownloadDownloadDownload
P19Hetdex17181.04347.493DownloadDownloadDownloadDownloadDownload
P1Hetdex15206.49847.493DownloadDownloadDownloadDownloadDownload
P200+55200.55354.874DownloadDownloadDownloadDownloadDownload
P205+55205.05554.898DownloadDownloadDownloadDownloadDownload
P206+50206.99249.890DownloadDownloadDownloadDownloadDownload
P206+52206.43952.396DownloadDownloadDownloadDownloadDownload
P209+55209.56054.923DownloadDownloadDownloadDownloadDownload
P21181.04352.122DownloadDownloadDownloadDownloadDownload
P210+47210.02847.397DownloadDownloadDownloadDownloadDownload
P211+50211.01249.912DownloadDownloadDownloadDownloadDownload
P213+47213.85447.418DownloadDownloadDownloadDownloadDownload
P214+55214.06754.947DownloadDownloadDownloadDownloadDownload
P217+47217.68147.439DownloadDownloadDownloadDownloadDownload
P218+55218.57754.972DownloadDownloadDownloadDownloadDownload
P219+50219.05749.956DownloadDownloadDownloadDownloadDownload
P219+52219.18252.467DownloadDownloadDownloadDownloadDownload
P221+47221.51047.461DownloadDownloadDownloadDownloadDownload
P223+50223.08349.979DownloadDownloadDownloadDownloadDownload
P223+52223.43152.491DownloadDownloadDownloadDownloadDownload
P223+55223.09154.998DownloadDownloadDownloadDownloadDownload
P225+47225.34047.483DownloadDownloadDownloadDownloadDownload
P227+50227.11050.002DownloadDownloadDownloadDownloadDownload
P227+53227.68552.515DownloadDownloadDownloadDownloadDownload
P22Hetdex04183.16449.748DownloadDownloadDownloadDownloadDownload
P23Hetdex20185.28647.493DownloadDownloadDownloadDownloadDownload
P25Hetdex09185.28652.122DownloadDownloadDownloadDownloadDownload
P26Hetdex03187.40749.748DownloadDownloadDownloadDownloadDownload
P27Hetdex09189.52847.493DownloadDownloadDownloadDownloadDownload
P29Hetdex19189.52852.122DownloadDownloadDownloadDownloadDownload
P30Hetdex06191.64949.748DownloadDownloadDownloadDownloadDownload
P33Hetdex08193.77152.122DownloadDownloadDownloadDownloadDownload
P34Hetdex06195.89249.748DownloadDownloadDownloadDownloadDownload
P35Hetdex10198.01347.493DownloadDownloadDownloadDownloadDownload
P37Hetdex15198.01352.122DownloadDownloadDownloadDownloadDownload
P38Hetdex07200.13449.748DownloadDownloadDownloadDownloadDownload
P39Hetdex19202.25647.493DownloadDownloadDownloadDownloadDownload
P3Hetdex16164.07347.493DownloadDownloadDownloadDownloadDownload
P41Hetdex202.25652.122DownloadDownloadDownloadDownloadDownload
P42Hetdex07204.37749.748DownloadDownloadDownloadDownloadDownload
P4Hetdex16164.07352.122DownloadDownloadDownloadDownloadDownload
P6166.19549.748DownloadDownloadDownloadDownloadDownload
P7Hetdex11168.31647.493DownloadDownloadDownloadDownloadDownload
P8Hetdex168.31652.122DownloadDownloadDownloadDownloadDownload

Data release 2

Preparations for a second data release are under way. We aim to release images and catalogues for 2,500 square degrees of the northern sky by 2020.