• Publications
  • Influence
A reappraisal of the chemical composition of the Orion nebula based on Very Large Telescope echelle spectrophotometry
We present Very Large Telescope (VLT) UVES echelle spectrophotometry of the Orion nebula in the 3100-10 400 A range. We have measured the intensity of 555 emission lines, many of them correspondingExpand
  • 206
  • 47
  • PDF
We present very deep spectrophotometry of 14 bright extragalactic H?II regions belonging to spiral, irregular, and blue compact galaxies. The data for 13 objects were taken with the High ResolutionExpand
  • 123
  • 33
  • PDF
Carbon and Oxygen Galactic Gradients: Observational Values from H II Region Recombination Lines*
We present results of deep echelle spectrophotometry of eight Galactic H ii regions located at Galactocentric distances between 6.3 and 10.4 kpc. The data have been taken with the Very LargeExpand
  • 114
  • 26
  • PDF
Optical Recombination Lines of Heavy Elements in Giant Extragalactic H II Regions
We present high-resolution observations of the giant extragalactic H II regions NGC 604, NGC 2363, NGC 5461, and NGC 5471, based on observations taken with the ISIS spectrograph on the WilliamExpand
  • 90
  • 22
  • PDF
Revista Mexicana de Astronomía y Astrofísica
Resumen en: The e ect of temperature uctuations in the spectra of ionized nebulae was rstly explored by Peimbert (1967). Since then, the problem of their existen...
  • 135
  • 21
The Localized Chemical Pollution in NGC 5253 Revisited: Results from Deep Echelle Spectrophotometry*
WepresentechellespectrophotometryofthebluecompactdwarfgalaxyNGC 5253obtainedwiththeVLTUVES. We have measured the intensities of a large number of permitted and forbidden emission lines in four zonesExpand
  • 101
  • 16
  • PDF
Properties of the ionized gas in HH 202 – II. Results from echelle spectrophotometry with Ultraviolet Visual Echelle Spectrograph
We present results of deep echelle spectrophotometry of the brightest knot of the Herbig– Haro object HH 202 in the Orion Nebula – HH 202-S – using the Ultraviolet Visual Echelle Spectrograph in theExpand
  • 63
  • 16
  • PDF
Carbon and oxygen abundances from recombination lines in low-metallicity star-forming galaxies. Implications for chemical evolution
We present deep echelle spectrophotometry of the brightest emission-line knots of the star-forming galaxies He 2 10, Mkn 1271, NGC 3125, NGC 5408, POX 4, SDSS J1253 0312, Tol 1457 262, Tol 1924 416Expand
  • 48
  • 13
  • PDF
Massive star formation in Wolf-Rayet galaxies - II. Optical spectroscopy results
Aims. We have performed a comprehensive multiwavelength analysis of a sample of 20 starburst galaxies that show the presence of a substantial population of very young massive stars, most of themExpand
  • 48
  • 10
  • PDF
S 266: a ring nebula around a Galactic B[e] supergiant?
A narrow-band Hα image and high-resolution spectroscopy have been obtained in order to investigate the nature of S 266 and its central star MWC 137. The analysis of the stellar and nebular spectraExpand
  • 21
  • 6
  • PDF