Herschel-ATLAS: first data release of the Science Demonstration Phase source catalogues
| العنوان: | Herschel-ATLAS: first data release of the Science Demonstration Phase source catalogues |
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| المؤلفون: | Rigby, E. E., Maddox, S. J., Dunne, L., Negrello, M., Smith, D. J. B., Gonz��lez-Nuevo, J., Herranz, D., L��pez-Caniego, M., Auld, R., Baes, M., Buttiglione, S., Cava, A., Cooray, A., Clements, D. L., Dariush, A., De Zotti, G., Dye, S., Eales, S., Frayer, D., Fritz, J., Hopwood, R., Ibar, E., Ivison, R. J., Jarvis, M., Panuzzo, P., Pascale, E., Pohlen, M., Rodighiero, G., Serjeant, S., Temi, P., Thompson, M. A. |
| المساهمون: | Science and Technology Facilities Council (STFC) |
| بيانات النشر: | WILEY-BLACKWELL, 2011. |
| سنة النشر: | 2011 |
| مصطلحات موضوعية: | Cosmology and Nongalactic Astrophysics (astro-ph.CO), POINT SOURCES, Catalogues, Galaxies: general, Methods: data analysis, Submillimetre: galaxies, Surveys, Astronomy and Astrophysics, Space and Planetary Science, REDSHIFT, MU-M, FOS: Physical sciences, Astronomy & Astrophysics, surveys, DEEP-FIELD, FILTERS, Instrumentation and Methods for Astrophysics (astro-ph.IM), PACS, catalogues, QB, Science & Technology, SUBMILLIMETER GALAXIES, methods: data analysis, galaxies: general, MICROWAVE BACKGROUND MAPS, 0201 Astronomical And Space Sciences, SPIRE, Physical Sciences, astro-ph.CO, Astrophysics - Instrumentation and Methods for Astrophysics, submillimetre: galaxies, Astrophysics - Cosmology and Nongalactic Astrophysics, astro-ph.IM |
| الوصف: | The Herschel-ATLAS is a survey of 550 square degrees with the Herschel Space Observatory in five far--infrared and submillimetre bands. The first data for the survey, observations of a field 4x4 sq. degrees in size, were taken during the Science Demonstration Phase, and reach a 5 sigma noise level of 33 mJy/beam at 250 microns. This paper describes the source extraction methods used to create the corresponding Science Demonstration Phase catalogue, which contains 6876 sources, selected at 250 microns, within ~14 sq. degrees. SPIRE sources are extracted using a new method specifically developed for Herschel data; PACS counterparts of these sources are identified using circular apertures placed at the SPIRE positions. Aperture flux densities are measured for sources identified as extended after matching to optical wavelengths. The reliability of this catalogue is also discussed, using full simulated maps at the three SPIRE bands. These show that a significant number of sources at 350 and 500 microns have undergone flux density enhancements of up to a factor of ~2, due mainly to source confusion. Correction factors are determined for these effects. The SDP dataset and corresponding catalogue will be available from http://www.h-atlas.org/. 15 pages, MNRAS accepted, Minor changes to text to address referee's comments |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 0035-8711 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cccbe135d0a9ca5c46758c0bbfcfab00 http://hdl.handle.net/10044/1/54838 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....cccbe135d0a9ca5c46758c0bbfcfab00 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 00358711 |
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