A dataset provided by the European Space Agency

Name 13301
Title Deep COS Spectra of the Two Brightest Quasars that Probe the He II Post-Reionization Era
URL https://hst.esac.esa.int/ehst/#/pages/search;proposal=13301;TAPCLIENT=DOI
DOI https://doi.org/10.5270/esa-gl0jnhu
Author Shull, J. Michael
Description This is a scientific proposal for HST mission. For specific information please visit https:\\archive.stsci.edu\proposal_search.php?id=13301&mission=hst
Publication He II Lyα Transmission Spikes and Absorption Troughs in Eight High-resolution Spectra Probing the End of He II Reionization, Makan, Kirill,Worseck, Gábor,Davies, Frederick B., The Astrophysical Journal, 927, 2022-03-01 00:00:00, 2022ApJ...927..175M||Probing inhomogeneity in the helium ionizing UV background, Morrison, Sean,Pieri, Matthew M.,Syphers, David, Monthly Notices of the Royal Astronomical Society, 489, 2019-10-01 00:00:00, 2019MNRAS.489..868M||Softening of the Metagalactic Ionizing Background from Internal He II Absorption in Quasars, Shull, J. Michael,Danforth, Charles W., The Astrophysical Journal, 899, 2020-08-01 00:00:00, 2020ApJ...899..163S||The Extreme Ultraviolet Variability of Quasars, Punsly, Brian,Marziani, Paola,Zhang, Shaohua, The Astrophysical Journal, 830, 2016-10-01 00:00:00, 2016ApJ...830..104P
Instrument COS/FUV, COS/NUV
Temporal Coverage 2014-04-30T01:49:41Z/2014-12-01T21:44:47Z
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 2015-12-02T15:45:54Z
Publisher And Registrant European Space Agency
Credit Guidelines European Space Agency, Shull, J. Michael, 2015, 13301, 1.0, European Space Agency, https://doi.org/10.5270/esa-gl0jnhu