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, Xiaohui Fan, J. E. Gunn, M. A. Strauss

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

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)
JournalAstrophysical Journal
Volume561
Issue number1 PART 2
DOIs
StatePublished - Nov 1 2001
Externally publishedYes

Fingerprint

quasars
spectroscopy
metallicity
spectrometer
spectrometers
continuums
x rays

Keywords

  • Galaxies: active
  • Galaxies: nuclei
  • Quasars: absorption lines
  • Quasars: general
  • Quasars: individual (SDSS 1044-0125)

ASJC Scopus subject areas

  • Space and Planetary Science

Cite this

Goodrich, R. W., Campbell, R., Chaffee, F. H., Hill, G. M., Sprayberry, D., Brandt, W. N., ... 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). https://doi.org/10.1086/324466

J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2. / Goodrich, R. W.; Campbell, R.; Chaffee, F. H.; Hill, G. M.; Sprayberry, D.; Brandt, W. N.; Schneider, D. P.; Kaspi, S.; Fan, Xiaohui; Gunn, J. E.; Strauss, M. A.

In: Astrophysical Journal, Vol. 561, No. 1 PART 2, 01.11.2001.

Research output: Contribution to journalArticle

Goodrich, RW, Campbell, R, Chaffee, FH, Hill, GM, Sprayberry, D, Brandt, WN, Schneider, DP, Kaspi, S, Fan, X, Gunn, JE & Strauss, MA 2001, 'J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2', Astrophysical Journal, vol. 561, no. 1 PART 2. https://doi.org/10.1086/324466
Goodrich RW, Campbell R, Chaffee FH, Hill GM, Sprayberry D, Brandt WN et al. J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2. Astrophysical Journal. 2001 Nov 1;561(1 PART 2). https://doi.org/10.1086/324466
Goodrich, R. W. ; Campbell, R. ; Chaffee, F. H. ; Hill, G. M. ; Sprayberry, D. ; Brandt, W. N. ; Schneider, D. P. ; Kaspi, S. ; Fan, Xiaohui ; Gunn, J. E. ; Strauss, M. A. / J-band spectroscopy of the z = 5.74 broad absorption line quasar SDSSP J104433.04-012502.2. In: Astrophysical Journal. 2001 ; Vol. 561, No. 1 PART 2.
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AU - Goodrich, R. W.

AU - Campbell, R.

AU - Chaffee, F. H.

AU - Hill, G. M.

AU - Sprayberry, D.

AU - Brandt, W. N.

AU - Schneider, D. P.

AU - Kaspi, S.

AU - Fan, Xiaohui

AU - Gunn, J. E.

AU - Strauss, M. A.

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N2 - 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.

AB - 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.

KW - Galaxies: active

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KW - Quasars: general

KW - Quasars: individual (SDSS 1044-0125)

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