Tipo de publicación: Con árbitro

  • Publicación
    IRAS 06562-0337 - Final mass-loss episodes before the formation of a planetary nebula?
    The onset of forbidden line emission in the spectrum of a proto-planetary nebula has been detected for the first time in the lapse of only two years. IRAS 06562...
  • Publicación
    IRAS 09149-6206, a new Seyfert I galaxy
    The serendipitous discovery of a new type I Seyfert galaxy, IRAS 09149-6206, found during a search for planetary nebulae using the IRAS Point Source Catalog is...
  • Publicación
    IRAS 16455-3455 and IRAS 15154-5258 - Two new southern planetary nebulae
    The identification of two new southern planetary nebulae, IRAS 16455-3455 and IRAS 15154-5258, via low resolution spectroscopy, is reported. IRAS 16455-3455 is...
  • Publicación
    IRAS 17423-1755 (Hen 3-1475) Revisited: An O-rich High-mass Post-asymptotic Giant Branch Star
    The high-resolution (R ~ 600) Spitzer/IRS spectrum of the bipolar protoplanetary nebula (PN) IRAS 17423-1755 is presented in order to clarify the dominant...
  • Publicación
    IRAS 17423-1755: A BQ() star with a variable velocity outflow
    Infrared Astronomy Satellite (IRAS) 17423-1755 has been identified as a BQ() star. Its more remarkable observed features are large radial velocities, huge line...
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    IRAS 17423-1755: a massive post-AGB star evolving into the planetary nebula stage?
    IRAS 17423-1755 has been recognized as a new bipolar nebula during a multi-wavelength observational program of unidentified IRAS sources with far infrared...
  • Publicación
    IRAS 22568 + 6141 - A new bipolar planetary nebula
    The identification of a bipolar planetary nebula is reported with a description of its characteristics. The nebula IRAS 22568 + 6141 has an extension of 8...
  • Publicación
    IRIS++ database: Merging of IRIS + Mark-1 + LOWL
    The IRIS network has been operated continuously since July 1st 1989. To date, it has acquired more than a complete solar cycle of full-disk helioseismic data...
  • Publicación
    Iron abundance and dust in galactic H II regions.
    The [Fe II] and [Fe III] emission of seven galactic H II regions is studied with the aim of comparing their gaseous Fe abundance. The [Fe II] line intensity...