Multicolor photometry of the Vela pulsar (Articolo in rivista)

Type
Label
  • Multicolor photometry of the Vela pulsar (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Alternative label
  • Mignani, R. P.; Caraveo, P. A. (2001)
    Multicolor photometry of the Vela pulsar
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Mignani, R. P.; Caraveo, P. A. (literal)
Pagina inizio
  • 213 (literal)
Pagina fine
  • 216 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 376 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • ESO, Karl Schwarzchild Str. 2, 85740 Garching bei München, Germany, Istituto di Fisica Cosmica del CNR ``G. Occhialini\", Via Bassini 15, 20133 Milan, Italy (literal)
Titolo
  • Multicolor photometry of the Vela pulsar (literal)
Abstract
  • Multicolor photometry of the Vela pulsar (PSR B0833-45), updated by recent HST/WFPC2 observations obtained in the 555W, 675W and 814W filters, is presented. The available data provide the best characterization so far of the pulsar spectral shape, which is dominated by a flat power law continuum with spectral index alpha = -0.2 +/- 0.2, consistent with the extrapolation in the optical domain of the power law component of the X-ray spectrum detected by CHANDRA. In addition, a marginally significant dip (~3sigma ) seems to be present at about 6500 Å. Spectroscopic observations with the VLT, now in progress, will undoubtly provide a much better assessment of the reality and characteristics of this feature. Based on observations with the NASA/ESA Hubble Space Telescope, obtained at the Space Telescope Science Institute, which is operated by AURA, Inc. under contract No. NAS 5-26555.}\fnmsep\thanks{Based on observations collected at the European Southern Observatory, La Silla, Chile. (literal)
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