Publication
Near-infrared scans of planetary nebulae
In the present results from a program of near-IR scanning of planetary nebulae, the observed flux is in most cases dominated by free-free emission. In three of...
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PublicationNear-infrared survey of IRAS sources with colours like planetary nebulaeNear-IR photometry of 38 objects associated with unidentified IRAS PSC sources, which have colors in the FIR similar to those of planetary nebulae are presented...
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PublicationNear-IR spectroscopy of planetary nebulae precursorsWe present near-IR spectroscopy of a sample of 30 IRAS sources recently identified as late AGB stars, post-AGB stars or early PNe. The spectra obtained are...
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PublicationNeutron-capture Element Abundances in Magellanic Cloud Planetary NebulaeWe present near-infrared spectra of 10 planetary nebulae (PNe) in the Large and Small Magellanic Clouds (LMC and SMC), acquired with the FIRE and GNIRS...
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PublicationNeutron-capture element abundances in the planetary nebula NGC 5315 from deep optical and near-infrared spectrophotometry★†We analyse the chemical composition of the planetary nebula (PN) NGC 5315, through high-resolution (R ∼ 40000) optical spectroscopy with Ultraviolet-Visual...
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PublicationNeutron-capture Elements in Planetary Nebulae: First Detections of Near-infrared [Te III] and [Br V] Emission LinesWe have identified two new near-infrared (NIR) emission lines in the spectra of planetary nebulae arising from heavy elements produced by neutron-capture...
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TalkNew Advances in Nebular Spectroscopy of Heavy ElementsThe origins of neutron(n)-capture elements (atomic number Z > 30) have historically been discerned from the interpretation of stellar spectra. However, in the...
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PublicationNew candidate planetary nebulae in M 81A 34'x34' field centred on the spiral galaxy M 81 has been searched for emission-line objects using the prime focus wide field camera (WFC) of the 2.54 m Isaac...
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PublicationNew Candidate Planetary Nebulae in the IPHAS Survey: the Case of Planetary Nebulae with ISM interactionWe present the results of the search for candidate Planetary Nebulae interacting with the interstellar medium (PN-ISM) in the framework of the INT Photometric...