J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2

R. W. Goodrich, R. Campbell, F. H. Chaffee, G. M. Hill, D. Sprayberry, W. N. Brandt, D. P. Schneider, S. Kaspi, X. Fan, J. E. Gunn, M. A. Strauss

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We use NIRSPEC, a near-IR spectrometer on Keck II, to obtain moderate-resolution (R = 1540) spectroscopy that shows conclusively that the C IV emission line in the z = 5.74 quasar SDSSp J104433.04-012502.2 is accompanied by broad, blueshifted C IV absorption. The line has a "balnicity index" of 900 km s-1 and a rest-frame equivalent width of 13.1 ± 1.3 Å relative to the continuum. This confirms its membership in the class of objects called "broad absorption line" (BAL) quasi-stellar objects (QSOs). SDSSp J1044-0125 was previously suggested to be a BAL QSO based on its UV-to-X-ray flux ratio, which is larger than most non-BAL QSOs. The C IV emission is of normal strength, implying a metallicity similar to that found in other, lower redshift, QSOs.

Original languageEnglish (US)
Pages (from-to)L23-L25
JournalAstrophysical Journal
Issue number1 PART 2
StatePublished - Nov 1 2001


All Science Journal Classification (ASJC) codes

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Goodrich, R. W., Campbell, R., Chaffee, F. H., Hill, G. M., Sprayberry, D., Brandt, W. N., Schneider, D. P., Kaspi, S., Fan, X., Gunn, J. E., & Strauss, M. A. (2001). J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2. Astrophysical Journal, 561(1 PART 2), L23-L25. https://doi.org/10.1086/324466