The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results

G. H. Heald; R. F. Pizzo; E. Orrú; R. P. Breton; D. Carbone; C. Ferrari; M. J. Hardcastle; W. Jurusik; G. Macario; D. Mulcahy; D. Rafferty; A. Asgekar; M. Brentjens; R. A. Fallows; W. Frieswijk; M. C. Toribio; B. Adebahr; M. Arts; M. R. Bell; A. Bonafede; J. Bray; J. Broderick; T. Cantwell; P. Carroll; Y. Cendes; A. O. Clarke; J. Croston; S. Daiboo; F. de Gasperin; J. Gregson; J. Harwood; T. Hassall; V. Heesen; A. Horneffer; A. J. van der Horst; M. Iacobelli; V. Jelić; D. Jones; D. Kant; G. Kokotanekov; P. Martin; J. P. McKean; L. K. Morabito; B. Nikiel-Wroczyński; A. Offringa; V. N. Pandey; M. Pandey-Pommier; M. Pietka; L. Pratley; C. Riseley; A. Rowlinson; J. Sabater; A. M. M. Scaife; L. H. A. Scheers; K. Sendlinger; A. Shulevski; M. Sipior; C. Sobey; A. J. Stewart; A. Stroe; J. Swinbank; C. Tasse; J. Trüstedt; E. Varenius; S. van Velzen; N. Vilchez; R. J. van Weeren; S. Wijnholds; W. L. Williams; A. G. de Bruyn; R. Nijboer; M. Wise; A. Alexov; J. Anderson; I. M. Avruch; R. Beck; M. E. Bell; I. van Bemmel; M. J. Bentum; G. Bernardi; P. Best; F. Breitling; W. N. Brouw; M. Brüggen; H. R. Butcher; B. Ciardi; J. E. Conway; E. de Geus; A. de Jong; M. de Vos; A. Deller; R.-J. Dettmar; S. Duscha; J. Eislöffel; D. Engels; H. Falcke; R. Fender; M. A. Garrett; J. Grießmeier; A. W. Gunst; J. P. Hamaker; J. W. T. Hessels; M. Hoeft; J. Hörandel; H. A. Holties; H. Intema; N. J. Jackson; E. Jütte; A. Karastergiou; W. F. A. Klijn; V. I. Kondratiev; L. V. E. Koopmans; M. Kuniyoshi; G. Kuper; C. Law; J. van Leeuwen; M. Loose; P. Maat; S. Markoff; R. McFadden; D. McKay-Bukowski; M. Mevius; J. C. A. Miller-Jones; R. Morganti; H. Munk; A. Nelles; J. E. Noordam; M. J. Norden; H. Paas; A. G. Polatidis; W. Reich; A. Renting; H. Röttgering; A. Schoenmakers; D. Schwarz; J. Sluman; O. Smirnov; B. W. Stappers; M. Steinmetz; M. Tagger; Y. Tang; S. ter Veen; S. Thoudam; R. Vermeulen; C. Vocks; C. Vogt; R. A. M. J. Wijers; O. Wucknitz; S. Yatawatta; P. Zarka

doi:10.1051/0004-6361/201425210

The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results

G. H. Heald, R. F. Pizzo, E. Orrú, R. P. Breton, D. Carbone, C. Ferrari, M. J. Hardcastle, W. Jurusik, G. Macario, D. Mulcahy, D. Rafferty, A. Asgekar, M. Brentjens, R. A. Fallows, W. Frieswijk, M. C. Toribio, B. Adebahr, M. Arts, M. R. Bell, A. BonafedeJ. Bray, J. Broderick, T. Cantwell, P. Carroll, Y. Cendes, A. O. Clarke, J. Croston, S. Daiboo, F. de Gasperin, J. Gregson, J. Harwood, T. Hassall, V. Heesen, A. Horneffer, A. J. van der Horst, M. Iacobelli, V. Jelić, D. Jones, D. Kant, G. Kokotanekov, P. Martin, J. P. McKean, L. K. Morabito, B. Nikiel-Wroczyński, A. Offringa, V. N. Pandey, M. Pandey-Pommier, M. Pietka, L. Pratley, C. Riseley, A. Rowlinson, J. Sabater, A. M. M. Scaife, L. H. A. Scheers, K. Sendlinger, A. Shulevski, M. Sipior, C. Sobey, A. J. Stewart, A. Stroe, J. Swinbank, C. Tasse, J. Trüstedt, E. Varenius, S. van Velzen, N. Vilchez, R. J. van Weeren, S. Wijnholds, W. L. Williams, A. G. de Bruyn, R. Nijboer, M. Wise, A. Alexov, J. Anderson, I. M. Avruch, R. Beck, M. E. Bell, I. van Bemmel, M. J. Bentum, G. Bernardi, P. Best, F. Breitling, W. N. Brouw, M. Brüggen, H. R. Butcher, B. Ciardi, J. E. Conway, E. de Geus, A. de Jong, M. de Vos, A. Deller, R.-J. Dettmar, S. Duscha, J. Eislöffel, D. Engels, H. Falcke, R. Fender, M. A. Garrett, J. Grießmeier, A. W. Gunst, J. P. Hamaker, J. W. T. Hessels, M. Hoeft, J. Hörandel, H. A. Holties, H. Intema, N. J. Jackson, E. Jütte, A. Karastergiou, W. F. A. Klijn, V. I. Kondratiev, L. V. E. Koopmans, M. Kuniyoshi, G. Kuper, C. Law, J. van Leeuwen, M. Loose, P. Maat, S. Markoff, R. McFadden, D. McKay-Bukowski, M. Mevius, J. C. A. Miller-Jones, R. Morganti, H. Munk, A. Nelles, J. E. Noordam, M. J. Norden, H. Paas, A. G. Polatidis, W. Reich, A. Renting, H. Röttgering, A. Schoenmakers, D. Schwarz, J. Sluman, O. Smirnov, B. W. Stappers, M. Steinmetz, M. Tagger, Y. Tang, S. ter Veen, S. Thoudam, R. Vermeulen, C. Vocks, C. Vogt, R. A. M. J. Wijers, O. Wucknitz, S. Yatawatta, P. Zarka

Research output: Contribution to journal › Article › peer-review

Abstract / Description of output

We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky Low Frequency Array (LOFAR) imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. Compared to previous radio surveys, MSSS is exceptional due to its intrinsic multifrequency nature providing information about the spectral properties of the detected sources over more than two octaves (from 30 to 160 MHz). The broadband frequency coverage, together with the fast survey speed generated by LOFAR's multibeaming capabilities, make MSSS the first survey of the sort anticipated to be carried out with the forthcoming Square Kilometre Array (SKA). Two of the sixteen frequency bands included in the survey were chosen to exactly overlap the frequency coverage of large-area Very Large Array (VLA) and Giant Metrewave Radio Telescope (GMRT) surveys at 74 MHz and 151 MHz respectively. The survey performance is illustrated within the MSSS Verification Field (MVF), a region of 100 square degrees centered at (α,δ)J2000 = (15h,69°). The MSSS results from the MVF are compared with previous radio survey catalogs. We assess the flux and astrometric uncertainties in the catalog, as well as the completeness and reliability considering our source finding strategy. We determine the 90% completeness levels within the MVF to be 100 mJy at 135 MHz with 108″ resolution, and 550 mJy at 50 MHz with 166″ resolution. Images and catalogs for the full survey, expected to contain 150 000-200 000 sources, will be released to a public web server. We outline the plans for the ongoing production of the final survey products, and the ultimate public release of images and source catalogs.

Original language	English
Journal	Astronomy & Astrophysics
Volume	582
DOIs	https://doi.org/10.1051/0004-6361/201425210
Publication status	Published - 1 Oct 2015
Externally published	Yes

Keywords / Materials (for Non-textual outputs)

surveys
radio continuum: general

Access to Document

10.1051/0004-6361/201425210

http://adsabs.harvard.edu/abs/2015A%26A...582A.123H

Cite this

Heald, G. H., Pizzo, R. F., Orrú, E., Breton, R. P., Carbone, D., Ferrari, C., Hardcastle, M. J., Jurusik, W., Macario, G., Mulcahy, D., Rafferty, D., Asgekar, A., Brentjens, M., Fallows, R. A., Frieswijk, W., Toribio, M. C., Adebahr, B., Arts, M., Bell, M. R., ... Zarka, P. (2015). The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results. Astronomy & Astrophysics, 582. https://doi.org/10.1051/0004-6361/201425210

@article{1a4cc6516837466288ee048881e8d26f,

title = "The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results",

abstract = "We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky Low Frequency Array (LOFAR) imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. Compared to previous radio surveys, MSSS is exceptional due to its intrinsic multifrequency nature providing information about the spectral properties of the detected sources over more than two octaves (from 30 to 160 MHz). The broadband frequency coverage, together with the fast survey speed generated by LOFAR's multibeaming capabilities, make MSSS the first survey of the sort anticipated to be carried out with the forthcoming Square Kilometre Array (SKA). Two of the sixteen frequency bands included in the survey were chosen to exactly overlap the frequency coverage of large-area Very Large Array (VLA) and Giant Metrewave Radio Telescope (GMRT) surveys at 74 MHz and 151 MHz respectively. The survey performance is illustrated within the MSSS Verification Field (MVF), a region of 100 square degrees centered at (α,δ)J2000 = (15h,69°). The MSSS results from the MVF are compared with previous radio survey catalogs. We assess the flux and astrometric uncertainties in the catalog, as well as the completeness and reliability considering our source finding strategy. We determine the 90% completeness levels within the MVF to be 100 mJy at 135 MHz with 108″ resolution, and 550 mJy at 50 MHz with 166″ resolution. Images and catalogs for the full survey, expected to contain 150 000-200 000 sources, will be released to a public web server. We outline the plans for the ongoing production of the final survey products, and the ultimate public release of images and source catalogs.",

keywords = "surveys, radio continuum: general",

author = "Heald, {G. H.} and Pizzo, {R. F.} and E. Orr{\'u} and Breton, {R. P.} and D. Carbone and C. Ferrari and Hardcastle, {M. J.} and W. Jurusik and G. Macario and D. Mulcahy and D. Rafferty and A. Asgekar and M. Brentjens and Fallows, {R. A.} and W. Frieswijk and Toribio, {M. C.} and B. Adebahr and M. Arts and Bell, {M. R.} and A. Bonafede and J. Bray and J. Broderick and T. Cantwell and P. Carroll and Y. Cendes and Clarke, {A. O.} and J. Croston and S. Daiboo and {de Gasperin}, F. and J. Gregson and J. Harwood and T. Hassall and V. Heesen and A. Horneffer and {van der Horst}, {A. J.} and M. Iacobelli and V. Jeli{\'c} and D. Jones and D. Kant and G. Kokotanekov and P. Martin and McKean, {J. P.} and Morabito, {L. K.} and B. Nikiel-Wroczy{\'n}ski and A. Offringa and Pandey, {V. N.} and M. Pandey-Pommier and M. Pietka and L. Pratley and C. Riseley and A. Rowlinson and J. Sabater and Scaife, {A. M. M.} and Scheers, {L. H. A.} and K. Sendlinger and A. Shulevski and M. Sipior and C. Sobey and Stewart, {A. J.} and A. Stroe and J. Swinbank and C. Tasse and J. Tr{\"u}stedt and E. Varenius and {van Velzen}, S. and N. Vilchez and {van Weeren}, {R. J.} and S. Wijnholds and Williams, {W. L.} and {de Bruyn}, {A. G.} and R. Nijboer and M. Wise and A. Alexov and J. Anderson and Avruch, {I. M.} and R. Beck and Bell, {M. E.} and {van Bemmel}, I. and Bentum, {M. J.} and G. Bernardi and P. Best and F. Breitling and Brouw, {W. N.} and M. Br{\"u}ggen and Butcher, {H. R.} and B. Ciardi and Conway, {J. E.} and {de Geus}, E. and {de Jong}, A. and {de Vos}, M. and A. Deller and R.-J. Dettmar and S. Duscha and J. Eisl{\"o}ffel and D. Engels and H. Falcke and R. Fender and Garrett, {M. A.} and J. Grie{\ss}meier and Gunst, {A. W.} and Hamaker, {J. P.} and Hessels, {J. W. T.} and M. Hoeft and J. H{\"o}randel and Holties, {H. A.} and H. Intema and Jackson, {N. J.} and E. J{\"u}tte and A. Karastergiou and Klijn, {W. F. A.} and Kondratiev, {V. I.} and Koopmans, {L. V. E.} and M. Kuniyoshi and G. Kuper and C. Law and {van Leeuwen}, J. and M. Loose and P. Maat and S. Markoff and R. McFadden and D. McKay-Bukowski and M. Mevius and Miller-Jones, {J. C. A.} and R. Morganti and H. Munk and A. Nelles and Noordam, {J. E.} and Norden, {M. J.} and H. Paas and Polatidis, {A. G.} and W. Reich and A. Renting and H. R{\"o}ttgering and A. Schoenmakers and D. Schwarz and J. Sluman and O. Smirnov and Stappers, {B. W.} and M. Steinmetz and M. Tagger and Y. Tang and {ter Veen}, S. and S. Thoudam and R. Vermeulen and C. Vocks and C. Vogt and Wijers, {R. A. M. J.} and O. Wucknitz and S. Yatawatta and P. Zarka",

year = "2015",

month = oct,

day = "1",

doi = "10.1051/0004-6361/201425210",

language = "English",

volume = "582",

journal = "Astronomy & Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

}

Heald, GH, Pizzo, RF, Orrú, E, Breton, RP, Carbone, D, Ferrari, C, Hardcastle, MJ, Jurusik, W, Macario, G, Mulcahy, D, Rafferty, D, Asgekar, A, Brentjens, M, Fallows, RA, Frieswijk, W, Toribio, MC, Adebahr, B, Arts, M, Bell, MR, Bonafede, A, Bray, J, Broderick, J, Cantwell, T, Carroll, P, Cendes, Y, Clarke, AO, Croston, J, Daiboo, S, de Gasperin, F, Gregson, J, Harwood, J, Hassall, T, Heesen, V, Horneffer, A, van der Horst, AJ, Iacobelli, M, Jelić, V, Jones, D, Kant, D, Kokotanekov, G, Martin, P, McKean, JP, Morabito, LK, Nikiel-Wroczyński, B, Offringa, A, Pandey, VN, Pandey-Pommier, M, Pietka, M, Pratley, L, Riseley, C, Rowlinson, A, Sabater, J, Scaife, AMM, Scheers, LHA, Sendlinger, K, Shulevski, A, Sipior, M, Sobey, C, Stewart, AJ, Stroe, A, Swinbank, J, Tasse, C, Trüstedt, J, Varenius, E, van Velzen, S, Vilchez, N, van Weeren, RJ, Wijnholds, S, Williams, WL, de Bruyn, AG, Nijboer, R, Wise, M, Alexov, A, Anderson, J, Avruch, IM, Beck, R, Bell, ME, van Bemmel, I, Bentum, MJ, Bernardi, G, Best, P, Breitling, F, Brouw, WN, Brüggen, M, Butcher, HR, Ciardi, B, Conway, JE, de Geus, E, de Jong, A, de Vos, M, Deller, A, Dettmar, R-J, Duscha, S, Eislöffel, J, Engels, D, Falcke, H, Fender, R, Garrett, MA, Grießmeier, J, Gunst, AW, Hamaker, JP, Hessels, JWT, Hoeft, M, Hörandel, J, Holties, HA, Intema, H, Jackson, NJ, Jütte, E, Karastergiou, A, Klijn, WFA, Kondratiev, VI, Koopmans, LVE, Kuniyoshi, M, Kuper, G, Law, C, van Leeuwen, J, Loose, M, Maat, P, Markoff, S, McFadden, R, McKay-Bukowski, D, Mevius, M, Miller-Jones, JCA, Morganti, R, Munk, H, Nelles, A, Noordam, JE, Norden, MJ, Paas, H, Polatidis, AG, Reich, W, Renting, A, Röttgering, H, Schoenmakers, A, Schwarz, D, Sluman, J, Smirnov, O, Stappers, BW, Steinmetz, M, Tagger, M, Tang, Y, ter Veen, S, Thoudam, S, Vermeulen, R, Vocks, C, Vogt, C, Wijers, RAMJ, Wucknitz, O, Yatawatta, S & Zarka, P 2015, 'The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results', Astronomy & Astrophysics, vol. 582. https://doi.org/10.1051/0004-6361/201425210

TY - JOUR

T1 - The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results

AU - Heald, G. H.

AU - Pizzo, R. F.

AU - Orrú, E.

AU - Breton, R. P.

AU - Carbone, D.

AU - Ferrari, C.

AU - Hardcastle, M. J.

AU - Jurusik, W.

AU - Macario, G.

AU - Mulcahy, D.

AU - Rafferty, D.

AU - Asgekar, A.

AU - Brentjens, M.

AU - Fallows, R. A.

AU - Frieswijk, W.

AU - Toribio, M. C.

AU - Adebahr, B.

AU - Arts, M.

AU - Bell, M. R.

AU - Bonafede, A.

AU - Bray, J.

AU - Broderick, J.

AU - Cantwell, T.

AU - Carroll, P.

AU - Cendes, Y.

AU - Clarke, A. O.

AU - Croston, J.

AU - Daiboo, S.

AU - de Gasperin, F.

AU - Gregson, J.

AU - Harwood, J.

AU - Hassall, T.

AU - Heesen, V.

AU - Horneffer, A.

AU - van der Horst, A. J.

AU - Iacobelli, M.

AU - Jelić, V.

AU - Jones, D.

AU - Kant, D.

AU - Kokotanekov, G.

AU - Martin, P.

AU - McKean, J. P.

AU - Morabito, L. K.

AU - Nikiel-Wroczyński, B.

AU - Offringa, A.

AU - Pandey, V. N.

AU - Pandey-Pommier, M.

AU - Pietka, M.

AU - Pratley, L.

AU - Riseley, C.

AU - Rowlinson, A.

AU - Sabater, J.

AU - Scaife, A. M. M.

AU - Scheers, L. H. A.

AU - Sendlinger, K.

AU - Shulevski, A.

AU - Sipior, M.

AU - Sobey, C.

AU - Stewart, A. J.

AU - Stroe, A.

AU - Swinbank, J.

AU - Tasse, C.

AU - Trüstedt, J.

AU - Varenius, E.

AU - van Velzen, S.

AU - Vilchez, N.

AU - van Weeren, R. J.

AU - Wijnholds, S.

AU - Williams, W. L.

AU - de Bruyn, A. G.

AU - Nijboer, R.

AU - Wise, M.

AU - Alexov, A.

AU - Anderson, J.

AU - Avruch, I. M.

AU - Beck, R.

AU - Bell, M. E.

AU - van Bemmel, I.

AU - Bentum, M. J.

AU - Bernardi, G.

AU - Best, P.

AU - Breitling, F.

AU - Brouw, W. N.

AU - Brüggen, M.

AU - Butcher, H. R.

AU - Ciardi, B.

AU - Conway, J. E.

AU - de Geus, E.

AU - de Jong, A.

AU - de Vos, M.

AU - Deller, A.

AU - Dettmar, R.-J.

AU - Duscha, S.

AU - Eislöffel, J.

AU - Engels, D.

AU - Falcke, H.

AU - Fender, R.

AU - Garrett, M. A.

AU - Grießmeier, J.

AU - Gunst, A. W.

AU - Hamaker, J. P.

AU - Hessels, J. W. T.

AU - Hoeft, M.

AU - Hörandel, J.

AU - Holties, H. A.

AU - Intema, H.

AU - Jackson, N. J.

AU - Jütte, E.

AU - Karastergiou, A.

AU - Klijn, W. F. A.

AU - Kondratiev, V. I.

AU - Koopmans, L. V. E.

AU - Kuniyoshi, M.

AU - Kuper, G.

AU - Law, C.

AU - van Leeuwen, J.

AU - Loose, M.

AU - Maat, P.

AU - Markoff, S.

AU - McFadden, R.

AU - McKay-Bukowski, D.

AU - Mevius, M.

AU - Miller-Jones, J. C. A.

AU - Morganti, R.

AU - Munk, H.

AU - Nelles, A.

AU - Noordam, J. E.

AU - Norden, M. J.

AU - Paas, H.

AU - Polatidis, A. G.

AU - Reich, W.

AU - Renting, A.

AU - Röttgering, H.

AU - Schoenmakers, A.

AU - Schwarz, D.

AU - Sluman, J.

AU - Smirnov, O.

AU - Stappers, B. W.

AU - Steinmetz, M.

AU - Tagger, M.

AU - Tang, Y.

AU - ter Veen, S.

AU - Thoudam, S.

AU - Vermeulen, R.

AU - Vocks, C.

AU - Vogt, C.

AU - Wijers, R. A. M. J.

AU - Wucknitz, O.

AU - Yatawatta, S.

AU - Zarka, P.

PY - 2015/10/1

Y1 - 2015/10/1

N2 - We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky Low Frequency Array (LOFAR) imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. Compared to previous radio surveys, MSSS is exceptional due to its intrinsic multifrequency nature providing information about the spectral properties of the detected sources over more than two octaves (from 30 to 160 MHz). The broadband frequency coverage, together with the fast survey speed generated by LOFAR's multibeaming capabilities, make MSSS the first survey of the sort anticipated to be carried out with the forthcoming Square Kilometre Array (SKA). Two of the sixteen frequency bands included in the survey were chosen to exactly overlap the frequency coverage of large-area Very Large Array (VLA) and Giant Metrewave Radio Telescope (GMRT) surveys at 74 MHz and 151 MHz respectively. The survey performance is illustrated within the MSSS Verification Field (MVF), a region of 100 square degrees centered at (α,δ)J2000 = (15h,69°). The MSSS results from the MVF are compared with previous radio survey catalogs. We assess the flux and astrometric uncertainties in the catalog, as well as the completeness and reliability considering our source finding strategy. We determine the 90% completeness levels within the MVF to be 100 mJy at 135 MHz with 108″ resolution, and 550 mJy at 50 MHz with 166″ resolution. Images and catalogs for the full survey, expected to contain 150 000-200 000 sources, will be released to a public web server. We outline the plans for the ongoing production of the final survey products, and the ultimate public release of images and source catalogs.

AB - We present the Multifrequency Snapshot Sky Survey (MSSS), the first northern-sky Low Frequency Array (LOFAR) imaging survey. In this introductory paper, we first describe in detail the motivation and design of the survey. Compared to previous radio surveys, MSSS is exceptional due to its intrinsic multifrequency nature providing information about the spectral properties of the detected sources over more than two octaves (from 30 to 160 MHz). The broadband frequency coverage, together with the fast survey speed generated by LOFAR's multibeaming capabilities, make MSSS the first survey of the sort anticipated to be carried out with the forthcoming Square Kilometre Array (SKA). Two of the sixteen frequency bands included in the survey were chosen to exactly overlap the frequency coverage of large-area Very Large Array (VLA) and Giant Metrewave Radio Telescope (GMRT) surveys at 74 MHz and 151 MHz respectively. The survey performance is illustrated within the MSSS Verification Field (MVF), a region of 100 square degrees centered at (α,δ)J2000 = (15h,69°). The MSSS results from the MVF are compared with previous radio survey catalogs. We assess the flux and astrometric uncertainties in the catalog, as well as the completeness and reliability considering our source finding strategy. We determine the 90% completeness levels within the MVF to be 100 mJy at 135 MHz with 108″ resolution, and 550 mJy at 50 MHz with 166″ resolution. Images and catalogs for the full survey, expected to contain 150 000-200 000 sources, will be released to a public web server. We outline the plans for the ongoing production of the final survey products, and the ultimate public release of images and source catalogs.

KW - surveys

KW - radio continuum: general

U2 - 10.1051/0004-6361/201425210

DO - 10.1051/0004-6361/201425210

M3 - Article

SN - 0004-6361

VL - 582

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

ER -

The LOFAR Multifrequency Snapshot Sky Survey (MSSS). I. Survey description and first results

Abstract / Description of output

Keywords / Materials (for Non-textual outputs)

Access to Document

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Cite this