Journal
ASTRONOMY & ASTROPHYSICS
Volume 518, Issue -, Pages -Publisher
EDP SCIENCES S A
DOI: 10.1051/0004-6361/201014680
Keywords
space vehicules: instruments; surveys; submillimeter: diffuse background; submillimiter: galaxies
Categories
Funding
- CSA (Canada)
- NAOC (China)
- CEA, CNES, CNRS (France)
- ASI (Italy)
- MCINN (Spain)
- SNSB (Sweden)
- STFC (UK)
- NASA (USA)
- STFC [PP/E001173/1, ST/G002630/1, ST/F007019/1, ST/F002858/1, ST/H001530/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/F002858/1, PP/E001173/1, ST/F007019/1, ST/G002630/1, PP/E001181/1] Funding Source: researchfish
- UK Space Agency [ST/G003874/1, ST/G003831/1] Funding Source: researchfish
Ask authors/readers for more resources
We report on the sensitivity of SPIRE photometers on the Herschel Space Observatory. Specifically, we measure the confusion noise from observations taken during the science demonstration phase of the Herschel Multi-tiered Extragalactic Survey. Confusion noise is defined to be the spatial variation of the sky intensity in the limit of infinite integration time, and is found to be consistent among the different fields in our survey at the level of 5.8, 6.3 and 6.8 mJy/beam at 250, 350 and 500 mu m, respectively. These results, together with the measured instrument noise, may be used to estimate the integration time required for confusion limited maps, and provide a noise estimate for maps obtained by SPIRE.
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