|
| | | | |
| | | |
| Stat |
Members: 3645
Articles: 2'501'711
Articles rated: 2609
20 April 2024 |
|
| | | | |
|
Article overview
| |
|
|
Isophot Observations of Comet Hale-Bopp: Initial Data Reduction | | E. Grün
; S. B. Peschke
; M. Stickel
; T. Müller
; H. Krüger
; H. Böhnhardt
; T. Y. Brooke
; H. Campins
; J. Crovisier
; M. S. Hanner
; I. Heinrichsen
; H. U. Keller
; R. Knacke
; P. Lamy
; Ch. Leinert
; D. Lemke
; C. M.Lisse
; M. Müller
; D. J. Osip
; M. Solc
; | | Date: |
9 Dec 1998 | | Subject: | astro-ph | | Abstract: | Comet Hale-Bopp was observed five times with ISOPHOT, the photometer on board the Infrared Space Observatory (ISO). Each time broadband photometry was performed using 4 different detectors, 5 apertures and, 10 filters covering the range between 3.6 to 175 $mu$m. Calibration measurements using the internal Fine Calibration Source were done together with each individual measurement. Background observations were performed with identical instrument settings at the same positions on the sky several days after the comet observations. The observation strategy and the initial data reduction steps are described in some detail and the resulting in-band power values of the Hale-Bopp observations and their uncertainties are derived. Initial reduction of these measurements was performed in 3 steps: (1) processing of raw data by removing instrumental and energetic particle effects, (2) averaging of the individual signals, and (3) determination of the detector responsivities and their uncertainties. The detector signal is determined by two different methods and the best value is chosen. At the present level of processing uncertainties range from 10% to a factor of 3 for the low power levels at short wavelengths. The in-band power levels at different wavelengths varied over 3 orders of magnitude. | | Source: | arXiv, astro-ph/9812171 | | Services: | Forum | Review | PDF | Favorites | |
|
|
No review found.
Did you like this article?
Note: answers to reviews or questions about the article must be posted in the forum section.
Authors are not allowed to review their own article. They can use the forum section.
browser Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
|
| |
|
|
|
|
News, job offers and information for researchers and scientists:
| |
REGISTER