The Near Ultraviolet Spectrum of 0215+015

Details The Near Ultraviolet Spectrum of 0215+015 The Near Ultraviolet Spectrum of 0215+015

Jul 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991hst..prop.2638b&link_type=abstract

HST Proposal ID #2638

Computer Science

Hst Proposal Id #2638

Scientific paper

The radio source 0215+015 is a remarkable QSO. Originally classified as a featureless BL Lac object, weak emission lines at Z(em) = 1.72 have been detected recently. The object has a complex absorption spectrum with seven redshifts identified from our optical spectra. The source shows large (around 5 mag) optical variations, and when bright (14-16mag) can be studied at high resolution, making it a unique and important object for absorption line studies. Our proposal seeks Target-of-Opportunity (ToO) time to study the region 2200-3200A, during the next bright period. Our aim is to study absorption lines belonging to the three most complex redshift systems. We shall use the GHRS at R=27,500 for a detailed study of the Ly-alpha region z = 1.345 and the Ly-beta - O VI regions at z = 1.549 and 1.649.

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