The discovery of eight z ∼ 6 quasars from Pan-STARRS1

E. Bañados; B. P. Venemans; E. Morganson; R. Decarli; F. Walter; K. C. Chambers; H. W. Rix; E. P. Farina; X. Fan; L. Jiang; I. McGreer; G. De Rosa; R. Simcoe; A. Weiß; P. A. Price; J. S. Morgan; W. S. Burgett; J. Greiner; N. Kaiser; R. P. Kudritzki; E. A. Magnier; N. Metcalfe; C. W. Stubbs; W. Sweeney; J. L. Tonry; R. J. Wainscoat; C. Waters

doi:10.1017/S1743921314003172

The discovery of eight z ∼ 6 quasars from Pan-STARRS1

E. Bañados, B. P. Venemans, E. Morganson, R. Decarli, F. Walter, K. C. Chambers, H. W. Rix, E. P. Farina, X. Fan, L. Jiang, I. McGreer, G. De Rosa, R. Simcoe, A. Weiß, P. A. Price, J. S. Morgan, W. S. Burgett, J. Greiner, N. Kaiser, R. P. KudritzkiE. A. Magnier, N. Metcalfe, C. W. Stubbs, W. Sweeney, J. L. Tonry, R. J. Wainscoat, C. Waters

Astronomy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

High-redshift quasars are unique probes of the evolution of supermassive black holes and the intergalactic medium at the end of the epoch of reionization. We present the optical spectra of eight new z ∼ 6 quasars selected from the Panoramic Survey Telescope & Rapid Response System 1 (Pan-STARRS1). Details of the selection strategy can be found in Bañados et al. (2014). With this work we increase the number of known quasars at z < 5.7 by more than 10%. The quasars discovered here span a large range of luminosities (19.6 ≤ z P1 ≤ 21.2) and are remarkably heterogeneous in their spectral features: half of them show bright emission lines whereas the other half show weak or no Lyα emission line. We find a larger fraction of weak-line emission quasars than in lower redshift studies, although still based on low number statistics, this may imply that the quasar population could be more diverse than previously thought.

Original language	English (US)
Title of host publication	Multiwavelength AGN Surveys and Studies
Publisher	Cambridge University Press
Pages	19-22
Number of pages	4
Edition	S304
ISBN (Print)	9781107045248
DOIs	https://doi.org/10.1017/S1743921314003172
State	Published - Jul 2014

Publication series

Name	Proceedings of the International Astronomical Union
Number	S304
Volume	9
ISSN (Print)	1743-9213
ISSN (Electronic)	1743-9221

Keywords

cosmology: observations
quasars: general
surveys: Pan-STARRS1

ASJC Scopus subject areas

Astronomy and Astrophysics
Space and Planetary Science

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10.1017/S1743921314003172

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Bañados, E., Venemans, B. P., Morganson, E., Decarli, R., Walter, F., Chambers, K. C., Rix, H. W., Farina, E. P., Fan, X., Jiang, L., McGreer, I., De Rosa, G., Simcoe, R., Weiß, A., Price, P. A., Morgan, J. S., Burgett, W. S., Greiner, J., Kaiser, N., ... Waters, C. (2014). The discovery of eight z ∼ 6 quasars from Pan-STARRS1. In Multiwavelength AGN Surveys and Studies (S304 ed., pp. 19-22). (Proceedings of the International Astronomical Union; Vol. 9, No. S304). Cambridge University Press. https://doi.org/10.1017/S1743921314003172

Bañados, E, Venemans, BP, Morganson, E, Decarli, R, Walter, F, Chambers, KC, Rix, HW, Farina, EP, Fan, X, Jiang, L, McGreer, I, De Rosa, G, Simcoe, R, Weiß, A, Price, PA, Morgan, JS, Burgett, WS, Greiner, J, Kaiser, N, Kudritzki, RP, Magnier, EA, Metcalfe, N, Stubbs, CW, Sweeney, W, Tonry, JL, Wainscoat, RJ & Waters, C 2014, The discovery of eight z ∼ 6 quasars from Pan-STARRS1. in Multiwavelength AGN Surveys and Studies. S304 edn, Proceedings of the International Astronomical Union, no. S304, vol. 9, Cambridge University Press, pp. 19-22. https://doi.org/10.1017/S1743921314003172

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abstract = "High-redshift quasars are unique probes of the evolution of supermassive black holes and the intergalactic medium at the end of the epoch of reionization. We present the optical spectra of eight new z ∼ 6 quasars selected from the Panoramic Survey Telescope & Rapid Response System 1 (Pan-STARRS1). Details of the selection strategy can be found in Ba{\~n}ados et al. (2014). With this work we increase the number of known quasars at z < 5.7 by more than 10%. The quasars discovered here span a large range of luminosities (19.6 ≤ z P1 ≤ 21.2) and are remarkably heterogeneous in their spectral features: half of them show bright emission lines whereas the other half show weak or no Lyα emission line. We find a larger fraction of weak-line emission quasars than in lower redshift studies, although still based on low number statistics, this may imply that the quasar population could be more diverse than previously thought.",

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year = "2014",

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doi = "10.1017/S1743921314003172",

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AU - Bañados, E.

AU - Venemans, B. P.

AU - Morganson, E.

AU - Decarli, R.

AU - Walter, F.

AU - Chambers, K. C.

AU - Rix, H. W.

AU - Farina, E. P.

AU - Fan, X.

AU - Jiang, L.

AU - McGreer, I.

AU - De Rosa, G.

AU - Simcoe, R.

AU - Weiß, A.

AU - Price, P. A.

AU - Morgan, J. S.

AU - Burgett, W. S.

AU - Greiner, J.

AU - Kaiser, N.

AU - Kudritzki, R. P.

AU - Magnier, E. A.

AU - Metcalfe, N.

AU - Stubbs, C. W.

AU - Sweeney, W.

AU - Tonry, J. L.

AU - Wainscoat, R. J.

AU - Waters, C.

PY - 2014/7

Y1 - 2014/7

N2 - High-redshift quasars are unique probes of the evolution of supermassive black holes and the intergalactic medium at the end of the epoch of reionization. We present the optical spectra of eight new z ∼ 6 quasars selected from the Panoramic Survey Telescope & Rapid Response System 1 (Pan-STARRS1). Details of the selection strategy can be found in Bañados et al. (2014). With this work we increase the number of known quasars at z < 5.7 by more than 10%. The quasars discovered here span a large range of luminosities (19.6 ≤ z P1 ≤ 21.2) and are remarkably heterogeneous in their spectral features: half of them show bright emission lines whereas the other half show weak or no Lyα emission line. We find a larger fraction of weak-line emission quasars than in lower redshift studies, although still based on low number statistics, this may imply that the quasar population could be more diverse than previously thought.

AB - High-redshift quasars are unique probes of the evolution of supermassive black holes and the intergalactic medium at the end of the epoch of reionization. We present the optical spectra of eight new z ∼ 6 quasars selected from the Panoramic Survey Telescope & Rapid Response System 1 (Pan-STARRS1). Details of the selection strategy can be found in Bañados et al. (2014). With this work we increase the number of known quasars at z < 5.7 by more than 10%. The quasars discovered here span a large range of luminosities (19.6 ≤ z P1 ≤ 21.2) and are remarkably heterogeneous in their spectral features: half of them show bright emission lines whereas the other half show weak or no Lyα emission line. We find a larger fraction of weak-line emission quasars than in lower redshift studies, although still based on low number statistics, this may imply that the quasar population could be more diverse than previously thought.

KW - cosmology: observations

KW - quasars: general

KW - surveys: Pan-STARRS1

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T3 - Proceedings of the International Astronomical Union

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BT - Multiwavelength AGN Surveys and Studies

PB - Cambridge University Press

ER -

The discovery of eight z ∼ 6 quasars from Pan-STARRS1

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