A dataset provided by the European Space Agency

Name 14809
Title An Accurate Measurement of the IGM HeII Lyman Alpha Forest toward a Newly Discovered UV-bright Quasar at z>3.5
URL https://hst.esac.esa.int/ehst/#/pages/search;proposal=14809;TAPCLIENT=DOI
DOI https://doi.org/10.5270/esa-wtoipm2
Author Worseck, Gabor
Description This is a scientific proposal for HST mission. For specific information please visit https://archive.stsci.edu/proposal_search.php?id=14809&mission=hst
Publication
  • Evidence for short ~ 1 Myr lifetimes from the He II proximity zones of z ~ 4 quasars
  • The first measurement of the quasar lifetime distribution
Instrument COS, COS/FUV, COS/NUV
Temporal Coverage 2016-10-30T11:45:25Z/2016-10-30T17:19:22Z
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 2017-10-30T19:45:24Z
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, Worseck comma Gabor, 2017, 'An Accurate Measurement of the IGM HeII Lyman Alpha Forest toward a Newly Discovered UV-bright Quasar at z>3.5', 1.0, European Space Agency, https://doi.org/10.5270/esa-wtoipm2