A dataset provided by the European Space Agency

Name 1025
Title EVOLUTION OF LYMAN-ALPHA AND CIV ABSORPTON SYSTEMS
URL https://hst.esac.esa.int/ehst/#/pages/search;proposal=1025;TAPCLIENT=DOI
DOI https://doi.org/10.5270/esa-ll5r3gn
Author Bahcall, John
Description This is a scientific proposal for HST mission. For specific information please visit https://archive.stsci.edu/proposal_search.php?id=1025&mission=hst
Publication
  • A Comparison of Two Methods for Estimating Black Hole Spin in Active Galactic Nuclei
  • A Complete Atlas of Recalibrated Hubble Space Telescope Faint Object Spectrograph Spectra of Active Galactic Nuclei and Quasars. I. Pre-COSTAR Spectra
  • A Uniform Analysis of the Lya Forest at z = 0-5. III. Hubble Space Telescope Faint Object Spectrograph Spectral Atlas
  • A Uniform Analysis of the Lya Forest at z = 0-5. IV. The Clustering and Evolution of Clouds at z <= 1.7
  • Combined Ultraviolet and Optical Spectra of 48 Low-Redshift QSOs and the Relation of the Continuum and Emission-Line Properties
  • Cosmic Origins Spectrograph Detection of Ne VIII Tracing Warm-Hot Gas Toward PKS 0405-123
  • Emission Line and Ultraviolet to X-Ray Continuum Correlations: Constraints on the Anisotropy of the Ionizing Continuum in Active Galactic Nuclei
  • Energy Distribution of Individual Quasars from Far-Ultraviolet to X-Rays. I. Intrinsic Ultraviolet Hardness and Dust Opacities
  • Evolution of Lyman-Alpha Clouds at Low Redshifts
  • Evolution of Lyman-Limit Absorption Systems over the Redshift Range 0.40 < Z < 4.69
  • Hydrogen and Metal Absorption Lines in PKS 0405-123 From the Halos of Low Redshift Galaxies
  • Inhomogeneous metal enrichment at z ~ 1.9: The Lyman limit systems in the spectrum of the HDF-S quasar
  • Low- and High-Ionization Absorption Properties of Mg II Absorption-selected Galaxies at Intermediate Redshifts. II. Taxonomy, Kinematics, and Galaxies
  • Lya Absorption Systems and the Nearby Galaxy Distribution
  • Metal-Line Absorption at Z/abs - Z/em From Associated Galaxies
  • Mg II Absorber Number Density at z~=0.05: Implications for ODLA Evolution
  • Observations of O I and Ca II Emission Lines in Quasars: Implications for the Site of Fe II Line Emission
  • On the Origin of Intrinsic Narrow Absorption Lines in z<~1 QSOS
  • Probing the Intergalactic Medium-Galaxy Connection toward PKS 0405-123. II. A Cross-Correlation Study of Lya Absorbers and Galaxies at z<0.5
  • Requirements for Investigating the Connection between Lyman-a Absorption Clouds and the Large-Scale Distribution of Galaxies
  • Strong Clustering in the Low-Redshift Ly alpha Forest
  • Strong z ~ 0.5 OVI absorption towards PKS 0405-123: implications for ionization and metallicity of the Cosmic Web
  • The Gaseous Extent of Galaxies and the Origin of Lyman-Alpha Absorption Systems: A Survey of Galaxies in the Fields of Hubble Space Telescope Spectroscopic Target QSOs
  • The Hubble Space Telescope Quasar Absorption Line Key Project. I. First Observational Results, Including Lyman-Alpha and Lyman-Limit Systems
  • The Hubble Space Telescope Quasar Absorption Line Key Project. II. Data Calibration and Absorption-Line Selection
  • The Hubble Space Telescope Quasar Absorption Line Key Project. III. First Observational Results on Milky Way Gas
  • The Hubble Space Telescope Quasar Absorption Line Key Project. V. Redshift Evolution of Lyman Limit Absorption in the Spectra of a Large Sample of Quasars
  • The Hubble Space Telescope Quasar Absorption Line Key Project. XV. Milky Way Absorption Lines
  • The Intervening and Associated O VI Absorption-Line Systems in the Ultraviolet Spectrum of H1821+643
  • The Low-Redshift Lya Forest toward PKS 0405-123
  • The Redshifted Excess in Quasar C IV Broad Emission Lines
  • The Ultraviolet Absorption Spectrum of the Quasar H1821+643 (z = 0.297)
  • The Ultraviolet Absorption Spectrum of the Quasar PKS 0405-12 and the Local Density of Lyman-Alpha Absorption Systems
  • The Ultraviolet Emission Properties of Five Low-Redshift Active Galactic Nuclei at High Signal-to-Noise Ratio and Spectral Resolution
  • Toward Unbiased Determination of the Redshift Evolution of Lyman-Alpha Forest Clouds
Instrument FOS/BL, FOS/RD
Temporal Coverage 1991-07-01T14:31:19Z/1991-07-08T18:39:14Z
Version 1.0
Mission Description Launched in 1990, the NASA/ESA Hubble Space Telescope remains the premier UV and visible light telescope in orbit. With well over 1.6 million observations from 10 different scientific instruments, the ESA Hubble Science Archive is a treasure trove of astronomical data to be exploited.
Creator Contact https://support.cosmos.esa.int/esdc/index.php?/Tickets/Submit
Date Published 1992-07-07T21:28:16Z
Keywords Hubble, HST, HLA, HCV, ACS, COS, STIS, WFC3, FOC, FOS, HRS, NICMOS, WFPC, WFPC2
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Bahcall comma John, 1992, 'EVOLUTION OF LYMAN-ALPHA AND CIV ABSORPTON SYSTEMS', 1.0, European Space Agency, https://doi.org/10.5270/esa-ll5r3gn