Publication
Iron abundance in H II regions
Optical CCD spectra are used to determine the element{Fe} abundances at several positions inside seven bright Galactic H Ii regions. The observed [Fe Iii] line...
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PublicationIrradiation origin and stability of CO on trans-Neptunian objects: Laboratory constraints and observational evidence from JWST/DiSCo-TNOsContext. The James Webb Space Telescope large program DiSCo-TNOs has recently shown that CO 2 ice is ubiquitous on 54 mediumsize trans-Neptunian objects (TNOs)...
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PublicationIs HCG 31 undergoing a merger or a fly-by interaction?We present Fabry-Perot and multi-object spectroscopy of the galaxies in Hickson compact group 31 (HCG 31). Based upon our Hα data cubes, galaxies A and C are a...
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PublicationIs the activity level of HD 80606 influenced by its eccentric planet?Aims: Several studies suggest that the activity level of a planet-host star can be influenced by the presence of a close-by orbiting planet. Moreover, the...
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PublicationIs there Na I in the atmosphere of HD 209458b?. Effect of the centre-to-limb variation and Rossiter-McLaughlin effect in transmission spectroscopy studiesHD 209458b was the first transiting planet discovered, and the first for which an atmosphere, in particular Na I, was detected. With time, it has become one of...
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PublicationISOCAM observations in the Lockman Hole. I. The 14.3 μm shallow survey: Data reduction, catalogue, and optical identificationsWe present the image and catalogue of the 14.3 μ shallow survey of 0.55 square degrees in the region of the Lockman Hole (10^h52^m03^s +57°21'46'', J2000) with...
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PublicationISOPHOT - capabilities and performance.ISOPHOT covers the largest wavelength range on ISO from 2.5 to 240μm. Its scientific capabilities include multi-filter and multi-aperture photometry...
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PublicationISOPHOT - Photometric calibration of point sourcesAll observations by the aperture photometer (PHT-P) and the far-infrared (FIR) camera section (PHT-C) of ISOPHOT included reference measurements against stable...
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PublicationIsotropic inelastic and superelastic collisional rates in a multiterm atomThe spectral line polarization of the radiation emerging from a magnetized astrophysical plasma depends on the state of the atoms within the medium, whose...