Emission line properties of active galactic nuclei from a post-COSTAR Hubble Space Telescope faint object spectrograph spectral atlas

Research output: Contribution to journalJournal articleResearchpeer-review

  • Joanna K. Kuraszkiewicz
  • Paul J. Green
  • D. Michael Crenshaw
  • Jay Dunn
  • Karl Forster
  • Vestergaard, Marianne
  • Tom L. Aldcroft

We present consistent emission-line measurements for active galactic nuclei (AGNs), useful for reliable statistical studies of emission line properties. This paper joins a series including similar measurements of 993 spectra from the Large Bright Quasar Survey and 174 spectra of AGNs obtained from the Faint Object Spectrograph (FOS) on the Hubble Space Telescope (HST) prior to the installation of COSTAR. This time we concentrate on 220 spectra obtained with the FOS after the installation of COSTAR, completing the emission line analysis of all FOS archival spectra. We use the same automated technique as in previous papers, which accounts for Galactic extinction, models blended optical and UV iron emission, includes Galactic and intrinsic absorption lines, and models emission lines using multiple Gaussians. We present UV and optical emission line parameters (equivalent widths, fluxes, FWHM, and line positions) for a large number (28) of emission lines including upper limits for undetected lines. Further scientific analyses will be presented in subsequent papers.

Original languageEnglish
JournalAstrophysical Journal, Supplement Series
Volume150
Issue number1
Pages (from-to)165-180
Number of pages16
ISSN0067-0049
DOIs
Publication statusPublished - 1 Jan 2004
Externally publishedYes

    Research areas

  • Atlases, Galaxies: active, Quasars: emission lines, Quasars: general, Ultraviolet: galaxies

ID: 229914434