Uv Spectra of QSOS with Z > 3.1: Cycle 4 Observations

Details Uv Spectra of QSOS with Z > 3.1: Cycle 4 Observations Uv Spectra of QSOS with Z > 3.1: Cycle 4 Observations

Jul 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994hst..prop.5097b&link_type=abstract

HST Proposal ID #5097

Computer Science

Hst Proposal Id #5097 Quasars &Amp, Agn Gto/Fos

Scientific paper

This proposal contains observations which will help to complete one FOS IDT scientific program. In a collaborative programs with the GHRS IDT, we are stydying absorption from He I and He II in the Lyman alpha forest clouds and in the intergalactic medium at high z to determine conditions in the early universe. We will observe the extreme UV rest spectrum of QSOs with z > 2.9, to examine HeI and HeII in absorption and/or emission, as well as He I in some lower z QSOs and perform the Gunn-Peterson test for smooth intergalactic helium. These observations are primarily exploratory to find quasars with light at these short wavelengths. We will also Study the continuum shape of QSOs from 300 A (rest) to lambda > 2500A (rest).

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