Jd. Smith et al., MULTICOLOR DETECTION OF HIGH-REDSHIFT QUASARS .2. 5 OBJECTS WITH Z-GREATER-THAN-OR-SIMILAR-TO-4, The Astronomical journal, 108(4), 1994, pp. 1147-1155
We report the results of a multicolor wide-field CCD survey designed t
o rediscover several BRI quasars previously found in a photographic su
rvey by Irwin et al. [ASPCS, 21, 117 (1991)], but not fully documented
in the literature. Here we provide spectra, redshifts, finding charts
, magnitudes, and coordinates for four such BRI quasars. Follow-up obs
ervations were obtained for BRI 2235-03, a borderline BAL object. A mo
derate resolution absorption line spectrum for the object shows a very
dense Ly alpha forest and two C Iv doublets at z>3. Its visible spect
rum is redder than those of the other quasars presented, although it i
s similar in the infrared. J, H, and K magnitudes are presented for th
is quasar, showing it to be one of the most luminous objects known. Ne
w J, H, and K photometry is presented for PC 1247+3406, the most dista
nt quasar known. In the course of the survey we also discovered a new
quasar with z=4.042. Its spectrum, coordinates, magnitudes, and findin
g chart are presented here as well.