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We investigate the statistical distribution of source counts-in-cells in the second data release of the LOFAR Two-Metre Sky Survey (LoTSS-DR2) and we test a computationally cheap method based on the counts-in-cells to estimate the two-point…

The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing sensitive, high-resolution 120-168MHz survey of the entire northern sky for which observations are now 20% complete. We present our first full-quality public data release. For this data…

Astrophysics of Galaxies · Physics 2018-11-21 T. W. Shimwell , C. Tasse , M. J. Hardcastle , A. P. Mechev , W. L. Williams , P. N. Best , H. J. A. Röttgering , J. R. Callingham , T. J. Dijkema , F. de Gasperin , D. N. Hoang , B. Hugo , M. Mirmont , J. B. R. Oonk , I. Prandoni , D. Rafferty , J. Sabater , O. Smirnov , R. J. van Weeren , G. J. White , M. Atemkeng , L. Bester , E. Bonnassieux , M. Brüggen , G. Brunetti , K. T. Chyży , R. Cochrane , J. E. Conway , J. H. Croston , A. Danezi , K. Duncan , M. Haverkorn , G. H. Heald , M. Iacobelli , H. T. Intema , N. Jackson , M. Jamrozy , M. J. Jarvis , R. Lakhoo , M. Mevius , G. K. Miley , L. Morabito , R. Morganti , D. Nisbet , E. Orrú , S. Perkins , R. F. Pizzo , C. Schrijvers , D. J. B. Smith , R. Vermeulen , M. W. Wise , L. Alegre , D. J. Bacon , I. M. van Bemmel , R. J. Beswick , A. Bonafede , A. Botteon , S. Bourke , M. Brienza , G. Calistro Rivera , R. Cassano , A. O. Clarke , C. J. Conselice , R. J. Dettmar , A. Drabent , C. Dumba , K. L. Emig , T. A. Enßlin , C. Ferrari , M. A. Garrett , R. T. Génova-Santos , A. Goyal , G. Gürkan , C. Hale , J. J. Harwood , V. Heesen , M. Hoeft , C. Horellou , C. Jackson , G. Kokotanekov , R. Kondapally , M. Kunert-Bajraszewska , V. Mahatma , E. K. Mahony , S. Mandal , J. P. McKean , A. Merloni , B. Mingo , A. Miskolczi , S. Mooney , B. Nikiel-Wroczyński , S. P. O'Sullivan , J. Quinn , W. Reich , C. Roskowiński , A. Rowlinson , F. Savini , A. Saxena , D. J. Schwarz , A. Shulevski , S. S. Sridhar , H. R. Stacey , S. Urquhart , M. H. D. van der Wiel , E. Varenius , B. Webster , A. Wilber

Covering $\sim$5600 deg$^2$ to rms sensitivities of $\sim$70$-$100 $\mu$Jy beam$^{-1}$, the LOFAR Two-metre Sky Survey Data Release 2 (LoTSS-DR2) provides the largest low-frequency ($\sim$150 MHz) radio catalogue to date, making it an…

The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing survey aiming to observe the entire Northern sky, providing an excellent opportunity to study the distribution and evolution of the large-scale structure of the Universe. The source…

Cosmology and Nongalactic Astrophysics · Physics 2022-03-29 Prabhakar Tiwari , Ruiyang Zhao , Jinglan Zheng , Gong-Bo Zhao , David Bacon , Dominik J. Schwarz

The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing sensitive, high-resolution 120-168 MHz survey of the Northern sky with diverse and ambitious science goals. Many of the scientific objectives of LoTSS rely upon, or are enhanced by, the…

The Low Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey split across multiple tiers over the northern sky. The first LoTSS Deep Fields data release consists of deep radio continuum…

We present the third data release of the LOFAR Two-metre Sky Survey (LoTSS-DR3). The survey images cover 88% of the northern sky and were created from 12,950 hrs of data (18.6 PB) accumulated over 10.5 years. The images were produced…

Astrophysics of Galaxies · Physics 2026-02-19 T. W. Shimwell , M. J. Hardcastle , C. Tasse , A. Drabent , A. Botteon , W. L. Williams , P. N. Best , H. J. A. Röttgering , M. Brüggen , G. Brunetti , J. R. Callingham , K. T. Chyży , J. E. Conway , F. De Gasperin , M. Haverkorn , C. Horellou , N. Jackson , G. K. Miley , L. K. Morabito , R. Morganti , S. P. O'Sullivan , D. J. Schwarz , D. J. B. Smith , R. J. van Weeren , H. K. Vedantham , G. J. White , A. Ahmadi , L. Alegre , M. Arias , B. Asabere , B. Bahr-Kalus , B. Barkus , M. Bilicki , L. Böhme , M. Brentjens , M. Brienza , D. J. Bomans , A. Bonafede , M. Bonato , E. Bonnassieux , J. M. Boxelaar , S. Camera , R. Cassano , J. Chilufya , M. Cianfaglione , J. H. Croston , V. Cuciti , P. Dabhade , E. De Rubeis , J. M. G. H. J. de Jong , D. Dallacasa , R. J. Dettmar , K. J. Duncan , G. Di Gennaro , H. W. Edler , C. Groeneveld , G. Gürkan , M. Hajduk , C. L. Hale , V. Heesen , D. N. Hoang , M. Hoeft , H. Holties , M. A. Horton , M. Iacobelli , M. Jamrozy , M. J. Jarvis , V. Jelic , M. Kadler , R. Kondapally , M. Kunert-Bajraszewska , M. Loose , M. Magliocchetti , K. Małek , C. Manzano , J. P. McKean , M. Mevius , B. Mingo , A. Miskolczi , A. Misra , J. Moldón , D. G. Nair , S. J. Nakoneczny , E. Orru , M. Pashapour-Ahmadabadi , T. Pasini , J. Petley , J. C. S. Pierce , I. Prandoni , D. Rafferty , K. Rajpurohit , C. J. Riseley , I. D. Roberts , S. Sethi , A. Shulevski , M. Stein , C. Stuardi , F. Sweijen , S. ter Veen , R. Timmerman , M. Vaccari , S. Wijnholds

In this work we study the flux density dependence of the redshift distribution of low-frequency radio sources observed in the LOFAR Two-metre Sky Survey (LoTSS) deep fields and apply it to estimate the clustering length of the large-scale…

Aims. With the recent preliminary release of the LOFAR LBA Sky Survey (LoLSS), the first wide-area, ultra-low frequency observations from LOFAR were published. Our aim is to combine this data set with other surveys at higher frequencies to…

Instrumentation and Methods for Astrophysics · Physics 2023-06-22 Lukas Böhme , Dominik J. Schwarz , Francesco de Gasperin , Huub J. A. Röttgering , Wendy L. Williams

In this data release from the LOFAR Two-metre Sky Survey (LoTSS) we present 120-168MHz images covering 27% of the northern sky. Our coverage is split into two regions centred at approximately 12h45m +44$^\circ$30' and 1h00m +28$^\circ$00'…

Astrophysics of Galaxies · Physics 2022-02-25 T. W. Shimwell , M. J. Hardcastle , C. Tasse , P. N. Best , H. J. A. Röttgering , W. L. Williams , A. Botteon , A. Drabent , A. Mechev , A. Shulevski , R. J. van Weeren , L. Bester , M. Brüggen , G. Brunetti , J. R. Callingham , K. T. Chyży , J. E. Conway , T. J. Dijkema , K. Duncan , F. de Gasperin , C. L. Hale , M. Haverkorn , B. Hugo , N. Jackson , M. Mevius , G. K. Miley , L. K. Morabito , R. Morganti , A. Offringa , J. B. R. Oonk , D. Rafferty , J. Sabater , D. J. B. Smith , D. J. Schwarz , O. Smirnov , S. P. O'Sullivan , H. Vedantham , G. J. White , J. G. Albert , L. Alegre , B. Asabere , D. J. Bacon , A. Bonafede , E. Bonnassieux , M. Brienza , M. Bilicki , M. Bonato , G. Calistro Rivera , R. Cassano , R. Cochrane , J. H. Croston , V. Cuciti , D. Dallacasa , A. Danezi , R. J. Dettmar , G. Di Gennaro , H. W. Edler , T. A. Enßlin , K. L. Emig , T. M. O. Franzen , C. García-Vergara , Y. G. Grange , G. Gürkan , M. Hajduk , G. Heald , V. Heesen , D. N. Hoang , M. Hoeft , C. Horellou , M. Iacobelli , M. Jamrozy , V. Jelić , R. Kondapally , P. Kukreti , M. Kunert-Bajraszewska , M. Magliocchetti , V. Mahatma , K. Małek , S. Mandal , F. Massaro , Z. Meyer-Zhao , B. Mingo , R. I. J. Mostert , D. G. Nair , S. J. Nakoneczny , B. Nikiel-Wroczyński , E. Orrú , U. Pajdosz-Śmierciak , T. Pasini , I. Prandoni , H. E. van Piggelen , K. Rajpurohit , E. Retana-Montenegro , C. J. Riseley , A. Rowlinson , A. Saxena , C. Schrijvers , F. Sweijen , T. M. Siewert , R. Timmerman , M. Vaccari , J. Vink , J. L. West , A. Wołowska , X. Zhang , J. Zheng

Source classifications, stellar masses and star formation rates are presented for 80,000 radio sources from the first data release of the Low Frequency Array Two-metre Sky Survey (LoTSS) Deep Fields, which represents the widest deep radio…

The LOFAR Two-metre Sky Survey (LoTSS) will cover the full northern sky and, additionally, aims to observe the LoTSS deep fields to a noise level of ~10 microJy/bm over several tens of square degrees in areas that have the most extensive…

We present an analysis of 152,355 radio sources identified in the second data release of the LOFAR Two Metre Sky Survey (LoTSS-DR2) with Sloan Digital Sky Survey (SDSS) spectroscopic redshifts in the range 0.00 < z < 0.57. Using Monte Carlo…

The Low Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS) is a low-frequency radio continuum survey of the Northern sky at an unparalleled resolution and sensitivity. In order to fully exploit this huge dataset and those produced by the…

The LOFAR Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey of the Northern sky. The LoTSS First Data Release (DR1) presents 424 square degrees of radio continuum observations over the HETDEX Spring Field…

The polarization properties of radio sources at very low frequencies (<200 MHz) have not been widely measured, but the new generation of low-frequency radio telescopes, including the Low Frequency Array (LOFAR: a Square Kilometre Array Low…

We present the astrometric identification of 80 known radio pulsars as unresolved continuum sources detected at 144 MHz in the second data release of the LOFAR Two-metre Sky Survey (LoTSS DR2), which covers 27% of the Northern hemisphere.…

High Energy Astrophysical Phenomena · Physics 2026-02-18 G. A. C. Rijkers , C. G. Bassa , J. R. Callingham , T. Shimwell

We present a detailed depolarization analysis of the radio galaxy \texttt{ILTJ012215.21+254334.8} using polarimetric data from the \textit{LOFAR Two-metre Sky Survey} (LoTSS) Data Release 2 (DR2) catalogue. This source, with \textit{RM}…

Cosmology and Nongalactic Astrophysics · Physics 2026-02-12 Samantha Sneha Paul , Abhik Ghosh
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