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

doi:10.1086/324466

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

Research output: Contribution to journal › Article

35 Scopus citations

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 language	English (US)
Pages (from-to)	L23-L25
Journal	Astrophysical Journal
Volume	561
Issue number	1 PART 2
DOIs	https://doi.org/10.1086/324466
State	Published - Nov 1 2001
Externally published	Yes

Keywords

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

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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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

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, X.; Gunn, J. E.; Strauss, M. A.

In: Astrophysical Journal, Vol. 561, No. 1 PART 2, 01.11.2001, p. L23-L25.

Research output: Contribution to journal › Article

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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 {\AA} 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.",

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AU - Hill, G. M.

AU - Sprayberry, D.

AU - Brandt, W. N.

AU - Schneider, D. P.

AU - Kaspi, S.

AU - Fan, X.

AU - Gunn, J. E.

AU - Strauss, M. A.

PY - 2001/11/1

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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.

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