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http://hdl.handle.net/20.500.12386/29079
Titolo: | Study of the galactic radio sources in the SCORPIO survey resolved by ATCA at 2.1 GHz | Autori: | INGALLINERA, Adriano UMANA, Grazia Maria Gloria TRIGILIO, CORRADO Norris, R. Franzen, T. M. O. Cavallaro, Francesco LETO, PAOLO BUEMI, CARLA SIMONA SCHILLIRO', FRANCESCO BUFANO, FILOMENA RIGGI, Simone LORU, SARA Agliozzo, C. |
Data pubblicazione: | 2019 | Rivista: | MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY | Numero: | 490 | Fascicolo: | 4 | Da pagina:: | 5063 | Abstract: | We present a catalogue of a large sample of extended radio sources in the Stellar Continuum Originating from Radio Physics In Ourgalaxy (SCORPIO) field, observed and resolved by the Australia Telescope Compact Array. SCORPIO, a pathfinder project for addressing the early operations of the Australia SKA Pathfinder, is a survey of ∼5 square degrees between 1.4 and 3.1 GHz, centred at l = 343.5°, b = 0.75°, and with an angular resolution of about 10 arcsec. It is aimed at understanding the scientific and technical challenges to be faced by future Galactic surveys. With a mean sensitivity around 100 μ Jy beam^{-1} and the possibility to recover angular scales at least up to 4 arcmin, we extracted 99 extended sources, 35 of them detected for the first time. Among the 64 known sources 55 had at least a tentative classification in literature. Studying the radio morphology and comparing the radio emission with infrared we propose as candidates six new H II regions, two new planetary nebulae, two new luminous blue variable or Wolf-Rayet stars, and three new supernova remnants. This study provides an overview of the potentiality of future radio surveys in terms of Galactic source extraction and characterization and a discussion on the difficulty to reduce and analyse interferometric data on the Galactic plane. | URI: | http://hdl.handle.net/20.500.12386/29079 | URL: | https://academic.oup.com/mnras/article-abstract/490/4/5063/5606801 | ISSN: | 0035-8711 | DOI: | 10.1093/mnras/stz2982 | Bibcode ADS: | 2019MNRAS.490.5063I | Fulltext: | open |
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