A dataset provided by the European Space Agency

Name 12033
Title COS-GTO: Studies of the HeII Reionization Epoch Part 2
URL https://hst.esac.esa.int/ehst/#/pages/search;proposal=12033;TAPCLIENT=DOI
DOI https://doi.org/10.5270/esa-ec4ahpj
Author Green
Description This is a scientific proposal for HST mission. For specific information please visit https://archive.stsci.edu/proposal_search.php?id=12033&mission=hst
Publication
  • Development of Hydrogen and Helium Proximity Zones around Quasars
  • He II Lya Transmission Spikes and Absorption Troughs in Eight High-resolution Spectra Probing the End of He II Reionization
  • Hubble Space Telescope/Cosmic Origins Spectrograph Observations of the Quasar Q0302-003: Probing the He II Reionization Epoch and QSO Proximity Effects
  • Reporting a deficit of intrinsic N V absorbers in core-dominated radio-loud quasars
  • Statistical Detection of the He II Transverse Proximity Effect: Evidence for Sustained Quasar Activity for >25 Million Years
  • The He II Proximity Effect and The Lifetime of Quasars
  • The impact of satellite trails on Hubble Space Telescope observations
Instrument COS, COS/FUV, COS/NUV, WFC3, WFC3/IR, WFC3/UVIS
Temporal Coverage 2012-03-08T00:10:14Z/2012-03-09T05:29:31Z
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 2013-03-09T11:08:34Z
Last Update 2026-03-09
Keywords Hubble Space Telescope data, HST observations dataset, NASA ESA Hubble mission data, space-based optical imaging data, ultraviolet astronomy observations, near-infrared imaging dataset, Hubble spectroscopy data, Wide Field Camera 3 WFC3 data, Advanced Camera for Surveys ACS data, Space Telescope Imaging Spectrograph STIS data, Cosmic Origins Spectrograph COS data, Hubble deep field imaging dataset, extragalactic survey observations, galaxy evolution imaging data, star formation observations HST, stellar photometry dataset, globular cluster imaging data, supernova Hubble observations, exoplanet transit HST data, interstellar medium spectroscopy data, calibrated level 2 HST data products, drizzled image mosaics, FITS files astronomy, flux-calibrated spectra, photometric time-series Hubble data, redshift measurements dataset, Hubble Legacy Archive data, Mikulski Archive for Space Telescopes MAST dataset
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Green, 2013, 'COS-GTO: Studies of the HeII Reionization Epoch Part 2', 1.0, European Space Agency, https://doi.org/10.5270/esa-ec4ahpj