The Milky Way and the Local Group (MWLG)
  • Publication
    Neutron decay anomaly, neutron stars, and dark matter
    The discrepancies in different measurements of the lifetime of isolated neutrons could be resolved by considering an extra neutron decay channel into dark...
  • Publication
    Neutron-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...
  • Publication
    Neutron-capture Elements in Planetary Nebulae: First Detections of Near-infrared [Te III] and [Br V] Emission Lines
    We have identified two new near-infrared (NIR) emission lines in the spectra of planetary nebulae arising from heavy elements produced by neutron-capture...
  • News
    New data about two distant asteroids give a clue to the possible “Planet Nine”
    The dynamical properties of these asteroids, observed spectroscopiccally for the first time using the Gran Telescopio CANARIAS (GTC), suggest a possible common...
  • Publication
    New groups of planetary nebulae with peculiar dust chemistry towards the Galactic bulge
    Aims: We investigate Galactic bulge planetary nebulae without emission-line central stars for which peculiar infrared spectra have been obtained with the...
  • Publication
    New H-band Stellar Spectral Libraries for the SDSS-III/APOGEE Survey
    The Sloan Digital Sky Survey-III (SDSS-III) Apache Point Observatory Galactic Evolution Experiment (APOGEE) has obtained high-resolution (R ∼ 22,500), high...
  • Publication
    New insights on Stephan's Quintet: exploring the shock in three dimensions
    Aims: We study the ionized gas emission from the large scale shock region of Stephan's Quintet (SQ). Methods: We carried out integral field unit (IFU) optical...
  • Publication
    New massive members of Cygnus OB2
    Context. The Cygnus complex is one of the most powerful star forming regions at a close distance from the Sun ( 1.4 kpc). Its richest OB association Cygnus OB2...
  • Publication
    New near-infrared JHKs light-curve templates for RR Lyrae variables
    We provide homogeneous optical (UBVRI) and near-infrared (NIR, JHK) time series photometry for 254 cluster (ω Cen, M 4) and field RR Lyrae (RRL) variables. We...