The LOFAR Two-metre Sky Survey - II. First data release

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

doi:10.1051/0004-6361/201833559

LOFAR Surveys: a new window on the Universe

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Fig. 12.

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Estimated noise variations on the direction-dependent calibrated LoTSS-DR1 images. The red line shows the cumulative area of the mosaiced region that has an estimated noise less than a given value. The histogram shows the distribution of noise estimates within the mosaiced region.

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