Continuum source catalog for the first APERTIF data release

doi:10.1051/0004-6361/202244008

2022-11-04

A. M. Kutkin *

Tom Oosterloo

R. Morganti

Elizabeth A. K. Adams

DOI：10.1051/0004-6361/202244008

原文链接

原文求助

摘要

En 中文

The first data release from Apertif survey contains 3074 radio continuum images, covering a thousand square degrees of the sky. The observations were performed between August 2019 and July 2020. The continuum images were produced at a central frequency 1355 MHz, with a bandwidth of similar to 150 MHz and angular resolution of up to 10. In this work, we introduce and apply a new method to obtain a primary beam model based on a machine-learning approach, namely, Gaussian process regression. The primary beam models obtained with this method have been published, along with the data products for the first Apertif data release. We applied the method to the continuum images, carried out a mosaicking process on their basis, and extracted the source catalog. The catalog contains 249672 radio sources, many of which have been detected for the first time at these frequencies. We cross-matched the coordinates with the NVSS, LOFAR/DR1/value-added, and LOFAR/DR2 catalogs - resulting in 44523, 22825, and 152824 common sources, respectively. The first sample provides a unique opportunity for detecting long-term transient sources, which have significantly changed their flux density over the past 25 yr. A combination of the second and the third samples provides valuable information on the spectral properties of the sources in addition to redshift estimates.

Keyword:

astronomical databases: miscellaneous

catalogs

surveys

radio continuum: general

期刊

Astronomy and Astrophysics

IF:

5.8

论文数:

5.0W

被引数:

18.3W

机构

kapteyn astronomical institute

学者数:

942

论文数: 695

被引数: 5

University of Sydney

学者数:

6.5W

论文数: 6.2W

被引数: 90

University of Groningen

学者数:

4.4W

论文数: 4.3W

被引数: 5.9W

ruhr university bochum

学者数:

2.3W

论文数: 1.9W

被引数: 14

查看更多机构

引用论文

Bioreductive deposition of palladium (0) nanoparticles onShewanella oneidensiswith catalytic activity towards reductive dechlorination of polychlorinated biphenyls 钯 (0) 纳米颗粒在 Shewanella oneidensis 上的生物还原沉积，对多氯联苯的还原脱氯具有催化活性

Environmental Microbiology

IF0

2005-01-10

PREAI

Wim De Windt; Peter Aelterman; Willy Verstraete

Apertif: Phased array feeds for the Westerbork Synthesis Radio Telescope System overview and performance characteristics

ASTRONOMY & ASTROPHYSICS

IF5.8

2022-02-15

OAAI

van Cappellen, W. A.; Oosterloo, T. A.; Verheijen, M. A. W.; Adams, E. A. K.; Adebahr, B.; Braun, R.; Hess, K. M.; Holties, H.; van der Hulst, J. M.; Hut, B.; Kooistra, E.; van Leeuwen, J.; Loose, G. M.; Morganti, R.; Moss, V. A.; Orru, E.; Ruiter, M.; Schoenmakers, A. P.; Vermaas, N. J.; Wijnholds, S. J.; van Amesfoort, A. S.; Arts, M. J.; Attema, J. J.; Bakker, L.; Bassa, C. G.; Bast, J. E.; Benthem, P.; Beukema, R.; Blaauw, R.; de Blok, W. J. G.; Bouwhuis, M.; van den Brink, R. H.; Connor, L.; Coolen, A. H. W. M.; Damstra, S.; van Diepen, G. N. J.; de Goei, R.; Denes, H.; Drost, M.; Ebbendorf, N.; Frank, B. S.; Gardenier, D. W.; Gerbers, M.; Grange, Y. G.; Grit, T.; Gunst, A. W.; Gupta, N.; Ivashina, M., V; Jozsa, G. I. G.; Janssen, G. H.; Koster, A.; Kruithof, G. H.; Kuindersma, S. J.; Kutkin, A.; Lucero, D. M.; Maan, Y.; Maccagni, F. M.; van der Marel, J.; Mika, A.; Morawietz, J.; Mulder, H.; Mulder, E.; Norden, M. J.; Offringa, A. R.; Oostrum, L. C.; Overeem, R. E.; Paragi, Z.; Pepping, H. J.; Petroff, E.; Pisano, D. J.; Polatidis, A. G.; Prasad, P.; de Reijer, J. P. R.; Romein, J. W.; Schaap, J.; Schoonderbeek, G. W.; Schulz, R.; van der Schuur, D.; Sclocco, A.; Sluman, J. J.; Smits, R.; Stappers, B. W.; Straal, S. M.; Stuurwold, K. J. C.; Verstappen, J.; Vohl, D.; Wierenga, K. J.; Woestenburg, E. E. M.; Zanting, A. W.; Ziemke, J.

The LOFAR Two-metre Sky Survey IV. First Data Release: Photometric redshifts and rest-frame magnitudes

ASTRONOMY & ASTROPHYSICS

IF5.8

2019-02-19

OAAI

Duncan, K. J.; Sabater, J.; Rottgering, H. J. A.; Jarvis, M. J.; Smith, D. J. B.; Best, P. N.; Callingham, J. R.; Cochrane, R.; Croston, J. H.; Hardcastle, M. J.; Mingo, B.; Morabito, L.; Nisbet, D.; Prandoni, I.; Shimwell, T. W.; Tasse, C.; White, G. J.; Williams, W. L.; Alegre, L.; Chyzy, K. T.; Gurkan, G.; Hoeft, M.; Kondapally, R.; Mechev, A. P.; Miley, G. K.; Schwarz, D. J.; van Weeren, R. J.

Astropy: A community Python package for astronomy Astropy: 一个用于天文学的社区Python包

ASTRONOMY & ASTROPHYSICS

IF5.8

2013-09-30

9.5K

OAAI

Robitaille, Thomas P.; Tollerud, Erik J.; Greenfield, Perry; Droettboom, Michael; Bray, Erik; Aldcroft, Tom; Davis, Matt; Ginsburg, Adam; Price-Whelan, Adrian M.; Kerzendorf, Wolfgang E.; Conley, Alexander; Crighton, Neil; Barbary, Kyle; Muna, Demitri; Ferguson, Henry; Grollier, Frederic; Parikh, Madhura M.; Nair, Prasanth H.; Guenther, Hans M.; Deil, Christoph; Woillez, Julien; Conseil, Simon; Kramer, Roban; Turner, James E. H.; Singer, Leo; Fox, Ryan; Weaver, Benjamin A.; Zabalza, Victor; Edwards, Zachary I.; Bostroem, K. Azalee; Burke, D. J.; Casey, Andrew R.; Crawford, Steven M.; Dencheva, Nadia; Ely, Justin; Jenness, Tim; Labrie, Kathleen; Lim, Pey Lian; Pierfederici, Francesco; Pontzen, Andrew; Ptak, Andy; Refsdal, Brian; Servillat, Mathieu; Streicher, Ole

Human Security

IF0

2016-02-03

PREAI

W. E. Blatz

Mechanisms for nitrogen supply to the Australian North West Shelf

Marine and Freshwater Research

IF0

1985-01-01

PREAI

PE Holloway; SE Humphries; M Atkinson; J Imberger

Microplastics clog reproduction in a monkeyflower species

IF0

2023-05-23

OAAI

Gastón O. Carvallo; Valeska Muñoz-Michea

The LOFAR Two-metre Sky Survey I. Survey description and preliminary data release

ASTRONOMY & ASTROPHYSICS

IF5.8

2017-02-09

518

OAAI

Shimwell, T. W.; Rottgering, H. J. A.; Best, P. N.; Williams, W. L.; Dijkema, T. J.; de Gasperin, F.; Hardcastle, M. J.; Heald, G. H.; Hoang, D. N.; Horneffer, A.; Intema, H.; Mahony, E. K.; Mandal, S.; Mechev, A. P.; Morabito, L.; Oonk, J. B. R.; Rafferty, D.; Retana-Montenegro, E.; Sabater, J.; Tasse, C.; van Weeren, R. J.; Brueggen, M.; Brunetti, G.; Chyzy, K. T.; Conway, J. E.; Haverkorn, M.; Jackson, N.; Jarvis, M. J.; McKean, J. P.; Miley, G. K.; Morganti, R.; White, G. J.; Wise, M. W.; van Bemmel, I. M.; Beck, R.; Brienza, M.; Bonafede, A.; Rivera, G. Calistro; Cassano, R.; Clarke, A. O.; Cseh, D.; Deller, A.; Drabent, A.; van Driel, W.; Engels, D.; Falcke, H.; Ferrari, C.; Froehlich, S.; Garrett, M. A.; Harwood, J. J.; Heesen, V.; Hoeft, M.; Horellou, C.; Israel, F. P.; Kapinska, A. D.; Kunert-Bajraszewska, M.; McKay, D. J.; Mohan, N. R.; Orru, E.; Pizzo, R. F.; Prandoni, I.; Schwarz, D. J.; Shulevski, A.; Sipior, M.; Smith, D. J. B.; Sridhar, S. S.; Steinmetz, M.; Stroe, A.; Varenius, E.; van der Werf, P. P.; Zensus, J. A.; Zwart, J. T. L.

The NRAO VLA Sky Survey NRAO VLA天空调查

ASTRONOMICAL JOURNAL

IF5.1

1998-05-01

5.1K

PREAI

Condon, JJ; Cotton, WD; Greisen, EW; Yin, QF; Perley, RA; Taylor, GB; Broderick, JJ

The extreme blazar AO 0235+164 as seen by extensive ground and space radio observations

MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY

IF4.8

2018-01-17

OAAI

Kutkin, A. M.; Pashchenko, I. N.; Lisakov, M. M.; Voytsik, P. A.; Sokolovsky, K. V.; Kovalev, Y. Y.; Lobanov, A. P.; Ipatov, A. V.; Aller, M. F.; Aller, H. D.; Lahteenmaki, A.; Tornikoski, M.; Gurvits, L. I.

查看更多内容