| Issue |
A&A
Volume 430, Number 1, January IV 2005
|
|
|---|---|---|
| Page(s) | 343 - 353 | |
| Section | Astronomical instrumentation | |
| DOI | https://doi.org/10.1051/0004-6361:20041422 | |
| Published online | 12 January 2005 | |
Determination of confusion noise for far-infrared measurements *,**
1
Max-Planck-Institut für Astronomie, Königstuhl 17, 69117 Heidelberg, Germany e-mail: pkisscs@mpia.de
2
Konkoly Observatory of the Hungarian Academy of Sciences, PO Box 67, 1525 Budapest, Hungary
Received:
5
June
2004
Accepted:
8
September
2004
We present a detailed assessment of the far-infrared confusion noise imposed on measurements with the ISOPHOT far-infrared detectors and cameras aboard the ISO satellite. We provide confusion noise values for all measurement configurations and observing modes of ISOPHOT in the 90 μm ≤ λ ≤ 200 μm wavelength range. Based on these results we also give estimates for cirrus confusion noise levels at the resolution limits of current and future instruments of infrared space telescopes: Spitzer/MIPS, ASTRO-F/FIS and Herschel/PACS.
Key words: methods: observational / ISM: structure / infrared: ISM
© ESO, 2005
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