Publicación
Near-IR spectroscopy of planetary nebulae precursors
We 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...
-
-
PublicaciónNeutron-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...
-
PublicaciónNeutron-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...
-
PublicaciónNeutron-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...
-
CharlaNew 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...
-
PublicaciónNew 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...
-
PublicaciónNew 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...
-
PublicaciónNew evolved planetary nebulae in the southern hemisphereThe major purpose of this paper is to investigate the nature of planetary nebulae (PNe) candidates in the southern hemisphere, taken from an internal list. We...
-
PublicaciónNew groups of planetary nebulae with peculiar dust chemistry towards the Galactic bulgeAims: We investigate Galactic bulge planetary nebulae without emission-line central stars for which peculiar infrared spectra have been obtained with the...