Søk
Viser treff 31-40 av 377
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
This paper describes the mapmaking procedure applied to Planck Low Frequency Instrument (LFI) data. The mapmaking step takes as input the calibrated timelines and pointing information. The main products are sky maps of I, ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Continuum spectra covering centimetre to submillimetre wavelengths are presented for a northern sample of 104 extragalactic radio sources, mainly active galactic nuclei, based on four-epoch Planck data. The nine Planck ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Although infrared (IR) overall dust emission from clusters of galaxies has been statistically detected using data from the Infrared Astronomical Satellite (IRAS), it has not been possible to sample the spectral energy ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The Planck mission, thanks to its large frequency range and all-sky coverage, has a unique potential for systematically detecting the brightest, and rarest, submillimetre sources on the sky, including distant objects in ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
NASA's Interface Region Imaging Spectrograph (IRIS) small explorer mission will study how the solar atmosphere is energized. IRIS contains an imaging spectrograph that covers the Mg II h&k lines as well as a slit-jaw imager ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
NASA's Interface Region Imaging Spectrograph (IRIS) space mission will study how the solar atmosphere is energized. IRIS contains an imaging spectrograph that covers the Mg II h&k lines as well as a slit-jaw imager centered ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2013)
Observations in the Hα line of hydrogen and the H and K lines of singly ionized calcium on the solar limb reveal the existence of structures with jet-like behavior, usually designated as spicules. The driving mechanism for ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
Using the Planck 2015 data release (PR2) temperature maps, we separate Galactic thermal dust emission from cosmic infrared background (CIB) anisotropies. For this purpose, we implement a specifically tailored component-separation ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2016)
The European Space Agency’s Planck satellite, which is dedicated to studying the early Universe and its subsequent evolution, was launched on 14 May 2009. It scanned the microwave and submillimetre sky continuously between ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2017)
The broadening of the hydrogen lines during flares is thought to result from increased charge (electron, proton) density in the flare chromosphere. However, disagreements between theory and modeling prescriptions have ...