DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey

S. L. Reed; R. G. McMahon; M. Banerji; G. D. Becker; E. Gonzalez-Solares; P. Martini; F. Ostrovski; M. Rauch; T. Abbott; F. B. Abdalla; S. Allam; A. Benoit-Levy; E. Bertin; E. Buckley-Geer; D. Burke; A. Carnero Rosell; L. N. da Costa; C. D'Andrea; D. L. DePoy; S. Desai; H. T. Diehl; P. Doel; C. E Cunha; J. Estrada; A. E. Evrard; A. Fausti Neto; D. A. Finley; P. Fosalba; J. Frieman; D. Gruen; K. Honscheid; D. James; S. Kent; K. Kuehn; N. Kuropatkin; O. Lahav; M. A. G. Maia; M. Makler; J. Marshall; K. Merritt; R. Miquel; J. Mohr; B. Nord; R. Ogando; A. Plazas; K. Romer; A. Roodman; E. Rykoff; M. Sako; E. Sanchez; B. Santiago; M. Schubnell; I. Sevilla; C. Smith; M. Soares-Santos; E. Suchyta; M. E. C. Swanson; G. Tarle; D. Thomas; D. Tucker; A. Walker; R. H. Wechsler

doi:10.1093/mnras/stv2031

DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey

S. L. Reed, R. G. McMahon, M. Banerji, G. D. Becker, E. Gonzalez-Solares, P. Martini, F. Ostrovski, M. Rauch, T. Abbott, F. B. Abdalla, S. Allam, A. Benoit-Levy, E. Bertin, E. Buckley-Geer, D. Burke, A. Carnero Rosell, L. N. da Costa, C. D'Andrea, D. L. DePoy, S. DesaiH. T. Diehl, P. Doel, C. E Cunha, J. Estrada, A. E. Evrard, A. Fausti Neto, D. A. Finley, P. Fosalba, J. Frieman, D. Gruen, K. Honscheid, D. James, S. Kent, K. Kuehn, N. Kuropatkin, O. Lahav, M. A. G. Maia, M. Makler, J. Marshall, K. Merritt, R. Miquel, J. Mohr, B. Nord, R. Ogando, A. Plazas, K. Romer, A. Roodman, E. Rykoff, M. Sako, E. Sanchez, B. Santiago, M. Schubnell, I. Sevilla, C. Smith, M. Soares-Santos, E. Suchyta, M. E. C. Swanson, G. Tarle, D. Thomas, D. Tucker, A. Walker, R. H. Wechsler

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Abstract

We present the first results of a survey for high redshift, z $\ge$ 6, quasars using izY multi-colour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the $\rm z_{AB}, Y_{AB}$ = 20.2, 20.2 (M$_{1450}$ = $-$26.5) quasar DES J0454$-$4448 with an emission line redshift of z = 6.10$\pm$0.03 and a HI near zone size of 4.6 $\pm$ 1.7 Mpc.The quasar was selected as an i-band drop out with i$-$z = 2.46 and z$_{AB} $$ $ 50-100 new quasars with z $>$ 6 including 3-10 with z $>$ 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies including determination of the neutral HI fraction of the intergalactic medium (IGM) during the epoch of Hydrogen reionization.

Original language	English
Pages (from-to)	3952-3961
Journal	Monthly Notices of the Royal Astronomical Society
Volume	454
Issue number	4
Early online date	28 Oct 2015
DOIs	https://doi.org/10.1093/mnras/stv2031
Publication status	Published - 21 Dec 2015

Keywords

astro-ph.GA
astro-ph.CO
galaxies: active
galaxies: formation
galaxies: high-redshift
quasars: individual: DES J0454-4448
dark ages, reionization, first stars
RCUK
STFC

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10.1093/mnras/stv2031

DES_J0454_4448
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Reed, S. L., McMahon, R. G., Banerji, M., Becker, G. D., Gonzalez-Solares, E., Martini, P., Ostrovski, F., Rauch, M., Abbott, T., Abdalla, F. B., Allam, S., Benoit-Levy, A., Bertin, E., Buckley-Geer, E., Burke, D., Rosell, A. C., Costa, L. N. D., D'Andrea, C., DePoy, D. L., ... Wechsler, R. H. (2015). DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey. Monthly Notices of the Royal Astronomical Society, 454(4), 3952-3961. https://doi.org/10.1093/mnras/stv2031

@article{2d497d2b43544d1891bd3f73572ff5ec,

title = "DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey",

abstract = "We present the first results of a survey for high redshift, z $\ge$ 6, quasars using izY multi-colour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the $\rm z_{AB}, Y_{AB}$ = 20.2, 20.2 (M$_{1450}$ = $-$26.5) quasar DES J0454$-$4448 with an emission line redshift of z = 6.10$\pm$0.03 and a HI near zone size of 4.6 $\pm$ 1.7 Mpc.The quasar was selected as an i-band drop out with i$-$z = 2.46 and z$_{AB} $$ $ 50-100 new quasars with z $>$ 6 including 3-10 with z $>$ 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies including determination of the neutral HI fraction of the intergalactic medium (IGM) during the epoch of Hydrogen reionization.",

keywords = "astro-ph.GA, astro-ph.CO, galaxies: active, galaxies: formation, galaxies: high-redshift, quasars: individual: DES J0454-4448, dark ages, reionization, first stars, RCUK, STFC",

author = "Reed, {S. L.} and McMahon, {R. G.} and M. Banerji and Becker, {G. D.} and E. Gonzalez-Solares and P. Martini and F. Ostrovski and M. Rauch and T. Abbott and Abdalla, {F. B.} and S. Allam and A. Benoit-Levy and E. Bertin and E. Buckley-Geer and D. Burke and Rosell, {A. Carnero} and Costa, {L. N. da} and C. D'Andrea and DePoy, {D. L.} and S. Desai and Diehl, {H. T.} and P. Doel and Cunha, {C. E} and J. Estrada and Evrard, {A. E.} and Neto, {A. Fausti} and Finley, {D. A.} and P. Fosalba and J. Frieman and D. Gruen and K. Honscheid and D. James and S. Kent and K. Kuehn and N. Kuropatkin and O. Lahav and Maia, {M. A. G.} and M. Makler and J. Marshall and K. Merritt and R. Miquel and J. Mohr and B. Nord and R. Ogando and A. Plazas and K. Romer and A. Roodman and E. Rykoff and M. Sako and E. Sanchez and B. Santiago and M. Schubnell and I. Sevilla and C. Smith and M. Soares-Santos and E. Suchyta and Swanson, {M. E. C.} and G. Tarle and D. Thomas and D. Tucker and A. Walker and Wechsler, {R. H.}",

note = "RGM, SLR and MB acknowledge the support of UK Science and Technology research Council (STFC).",

year = "2015",

month = dec,

day = "21",

doi = "10.1093/mnras/stv2031",

language = "English",

volume = "454",

pages = "3952--3961",

journal = "Monthly Notices of the Royal Astronomical Society",

issn = "0035-8711",

publisher = "Oxford University Press",

number = "4",

}

Reed, SL, McMahon, RG, Banerji, M, Becker, GD, Gonzalez-Solares, E, Martini, P, Ostrovski, F, Rauch, M, Abbott, T, Abdalla, FB, Allam, S, Benoit-Levy, A, Bertin, E, Buckley-Geer, E, Burke, D, Rosell, AC, Costa, LND, D'Andrea, C, DePoy, DL, Desai, S, Diehl, HT, Doel, P, Cunha, CE, Estrada, J, Evrard, AE, Neto, AF, Finley, DA, Fosalba, P, Frieman, J, Gruen, D, Honscheid, K, James, D, Kent, S, Kuehn, K, Kuropatkin, N, Lahav, O, Maia, MAG, Makler, M, Marshall, J, Merritt, K, Miquel, R, Mohr, J, Nord, B, Ogando, R, Plazas, A, Romer, K, Roodman, A, Rykoff, E, Sako, M, Sanchez, E, Santiago, B, Schubnell, M, Sevilla, I, Smith, C, Soares-Santos, M, Suchyta, E, Swanson, MEC, Tarle, G, Thomas, D, Tucker, D, Walker, A & Wechsler, RH 2015, 'DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey', Monthly Notices of the Royal Astronomical Society, vol. 454, no. 4, pp. 3952-3961. https://doi.org/10.1093/mnras/stv2031

TY - JOUR

T1 - DES J0454$-$4448

T2 - iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey

AU - Reed, S. L.

AU - McMahon, R. G.

AU - Banerji, M.

AU - Becker, G. D.

AU - Gonzalez-Solares, E.

AU - Martini, P.

AU - Ostrovski, F.

AU - Rauch, M.

AU - Abbott, T.

AU - Abdalla, F. B.

AU - Allam, S.

AU - Benoit-Levy, A.

AU - Bertin, E.

AU - Buckley-Geer, E.

AU - Burke, D.

AU - Rosell, A. Carnero

AU - Costa, L. N. da

AU - D'Andrea, C.

AU - DePoy, D. L.

AU - Desai, S.

AU - Diehl, H. T.

AU - Doel, P.

AU - Cunha, C. E

AU - Estrada, J.

AU - Evrard, A. E.

AU - Neto, A. Fausti

AU - Finley, D. A.

AU - Fosalba, P.

AU - Frieman, J.

AU - Gruen, D.

AU - Honscheid, K.

AU - James, D.

AU - Kent, S.

AU - Kuehn, K.

AU - Kuropatkin, N.

AU - Lahav, O.

AU - Maia, M. A. G.

AU - Makler, M.

AU - Marshall, J.

AU - Merritt, K.

AU - Miquel, R.

AU - Mohr, J.

AU - Nord, B.

AU - Ogando, R.

AU - Plazas, A.

AU - Romer, K.

AU - Roodman, A.

AU - Rykoff, E.

AU - Sako, M.

AU - Sanchez, E.

AU - Santiago, B.

AU - Schubnell, M.

AU - Sevilla, I.

AU - Smith, C.

AU - Soares-Santos, M.

AU - Suchyta, E.

AU - Swanson, M. E. C.

AU - Tarle, G.

AU - Thomas, D.

AU - Tucker, D.

AU - Walker, A.

AU - Wechsler, R. H.

N1 - RGM, SLR and MB acknowledge the support of UK Science and Technology research Council (STFC).

PY - 2015/12/21

Y1 - 2015/12/21

N2 - We present the first results of a survey for high redshift, z $\ge$ 6, quasars using izY multi-colour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the $\rm z_{AB}, Y_{AB}$ = 20.2, 20.2 (M$_{1450}$ = $-$26.5) quasar DES J0454$-$4448 with an emission line redshift of z = 6.10$\pm$0.03 and a HI near zone size of 4.6 $\pm$ 1.7 Mpc.The quasar was selected as an i-band drop out with i$-$z = 2.46 and z$_{AB} $$ $ 50-100 new quasars with z $>$ 6 including 3-10 with z $>$ 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies including determination of the neutral HI fraction of the intergalactic medium (IGM) during the epoch of Hydrogen reionization.

AB - We present the first results of a survey for high redshift, z $\ge$ 6, quasars using izY multi-colour photometric observations from the Dark Energy Survey (DES). Here we report the discovery and spectroscopic confirmation of the $\rm z_{AB}, Y_{AB}$ = 20.2, 20.2 (M$_{1450}$ = $-$26.5) quasar DES J0454$-$4448 with an emission line redshift of z = 6.10$\pm$0.03 and a HI near zone size of 4.6 $\pm$ 1.7 Mpc.The quasar was selected as an i-band drop out with i$-$z = 2.46 and z$_{AB} $$ $ 50-100 new quasars with z $>$ 6 including 3-10 with z $>$ 7 dramatically increasing the numbers of quasars currently known that are suitable for detailed studies including determination of the neutral HI fraction of the intergalactic medium (IGM) during the epoch of Hydrogen reionization.

KW - astro-ph.GA

KW - astro-ph.CO

KW - galaxies: active

KW - galaxies: formation

KW - galaxies: high-redshift

KW - quasars: individual: DES J0454-4448

KW - dark ages, reionization, first stars

KW - RCUK

KW - STFC

U2 - 10.1093/mnras/stv2031

DO - 10.1093/mnras/stv2031

M3 - Article

SN - 0035-8711

VL - 454

SP - 3952

EP - 3961

JO - Monthly Notices of the Royal Astronomical Society

JF - Monthly Notices of the Royal Astronomical Society

IS - 4

ER -

DES J0454$-$4448: iscovery of the first luminous z $\ge$ 6 quasar from the Dark Energy Survey

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Keywords

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