Observations of the Lyman series forest towards the redshift 7.1 quasar ULAS J1120+0641 - INSPIRE

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Observations of the Lyman series forest towards the redshift 7.1 quasar ULAS J1120+0641

Feb 13, 2017

11 pages

Published in:

Astron.Astrophys. 601 (2017) A16

Published: May 1, 2017

e-Print:

1702.03687 [astro-ph.CO]

DOI:

10.1051/0004-6361/201630258

View in:

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Abstract: (EDP Sciences)

We present a 30 h integration Very Large Telescope X-shooter spectrum of the Lyman series forest towards the z = 7.084 quasar ULAS J1120+0641. The only detected transmission at S/N > 5 is confined to seven narrow spikes in the Lyα forest, over the redshift range 5.858 5.5. The data nevertheless provide only a weak limit on the volume-weighted intergalactic medium (IGM) hydrogen neutral fraction at z ~ 6.5, xH i > 10-4, similar to limits at redshift z ~ 6 from less distant quasars. The new observations cannot extend measurements of the neutral fraction of the IGM to higher values because absorption in the Lyα forest is already saturated near z ~ 6. For higher neutral fractions, other methods such as measuring the red damping wing of the IGM will be required. Key words: cosmology: observations / quasars: individual: ULAS J1120+0641 / quasars: absorption lines / dark ages, reionization, first stars

Note:

Accepted for publication in A&A. 11 pages, 10 figures

cosmology: observations
quasars: individual: ULAS J1120+0641
quasars: absorption lines
dark ages, reionization, first stars

References(44)

Figures(11)

An Empirical Pixel-Based Correction for Imperfect CTE. I. HST's Advanced Camera for Surveys

- Publ.Astron.Soc.Pac. 122 (2010) 1035
•
e-Print:
- 1007.3987
•
DOI:
- 10.1086/656399

R. Barnett
,
S.J. Warren
,
M. Banerji

- Astron.Astrophys. 575 (2015) A31

MNRAS, 19

G.D. Becker
,
J.S. Bolton
,
P. Madau

Evidence for Reionization at Z ~ 6: Detection of a Gunn-Peterson trough in a Z = 6.28 Quasar

SDSS

Collaboration

•

Robert H. Becker

et al.

- Astron.J. 122 (2001) 2850
•
e-Print:
- astro-ph/0108097
•
DOI:
- 10.1086/324231

SExtractor: Software for source extraction

- Astron.Astrophys.Suppl.Ser. 117 (1996) 393-404
•
DOI:
- 10.1051/aas:1996164

Sloan Digital Sky Survey spectroscopic lens search: 1. Discovery of intermediate - redshift star - forming galaxies behind foreground luminous red galaxies

Adam S. Bolton
(
- MIT and
- MIT, MKI
)
,
Scott Burles
(
- MIT and
- MIT, MKI
)
,
David J. Schlegel
(
- Princeton U. Observ.
)
,
Daniel J. Eisenstein
(
- Arizona U., Astron. Dept. - Steward Observ.
)
,
J. Brinkmann
(
- Apache Point Observ.
)

- Astron.J. 127 (2004) 1860
•
e-Print:
- astro-ph/0311055
•
DOI:
- 10.1086/382714

The Sherwood simulation suite: overview and data comparisons with the Lyman α forest at redshifts 2 ≤ z ≤ 5

et al.

- Mon.Not.Roy.Astron.Soc. 464 (2017) 1, 897-914
•
e-Print:
- 1605.03462
•
DOI:
- 10.1093/mnras/stw2397

MNRAS, in press

S.E.I. Bosman
,
G.D. Becker
,
M.G. Haehnelt

Instrument Science Report ACS-05

M. Chiaberge

Large Fluctuations in the High-Redshift Metagalactic Ionizing Background

- Mon.Not.Roy.Astron.Soc. 473 (2018) 1, 560-575
•
e-Print:
- 1611.02711
•
DOI:
- 10.1093/mnras/stx2341

Large Opacity Variations in the High-redshift Ly $\alpha$ Forest: the Signature of Relic Temperature Fluctuations From Patchy Reionization

- Astrophys.J.Lett. 813 (2015) 2, L38
•
e-Print:
- 1509.02523
•
DOI:
- 10.1088/2041-8205/813/2/L38

Large fluctuations in the hydrogen-ionizing background and mean free path following the epoch of reionization

- Mon.Not.Roy.Astron.Soc. 460 (2016) 2, 1328-1339
•
e-Print:
- 1509.07131
•
DOI:
- 10.1093/mnras/stw931

On the threshold of the reionization epoch

- Astrophys.J.Lett. 560 (2001) L5
•
e-Print:
- astro-ph/0108069
•
DOI:
- 10.1086/324175

Observational constraints on cosmic reionization

- Ann.Rev.Astron.Astrophys. 44 (2006) 415-462
•
e-Print:
- astro-ph/0602375
•
DOI:
- 10.1146/annurev.astro.44.051905.092514

A Survey of z > 5.8 quasars in the Sloan Digital Sky Survey I: Discovery of three new quasars and the spatial density of luminous quasars at z ~ 6

SDSS

Collaboration

•

Xiaohui Fan

et al.

- Astron.J. 122 (2001) 2833
•
e-Print:
- astro-ph/0108063
•
DOI:
- 10.1086/324111

Constraining the evolution of the ionizing background and the epoch of reionization with z~6 quasars. 2. a sample of 19 quasars

et al.

- Astron.J. 132 (2006) 117-136
•
e-Print:
- astro-ph/0512082
•
DOI:
- 10.1086/504836

The Discovery of a luminous z = 5.80 quasar from the Sloan Digital Sky Survey

SDSS

Collaboration

•

Xiaohui Fan
(
- Princeton U. Observ.
)

et al.

- Astron.J. 120 (2000) 1167-1174
•
e-Print:
- astro-ph/0005414
•
DOI:
- 10.1086/301534

The global history of reionization

- Mon.Not.Roy.Astron.Soc. 465 (2017) 4, 4838-4852
•
e-Print:
- 1605.05374
•
DOI:
- 10.1093/mnras/stw3026

MNRAS, stw3351

B. Greig
,
A. Mesinger
,
Z. Haiman
,
R.A. Simcoe

On the Density of Neutral Hydrogen in Intergalactic Space

- Astrophys.J. 142 (1965) 1633
•
DOI:
- 10.1086/148444

Radiative transfer in a clumpy universe: IV. New synthesis models of the cosmic UV/X-ray background

- Astrophys.J. 746 (2012) 125
•
e-Print:
- 1105.2039
•
DOI:
- 10.1088/0004-637X/746/2/125

P. Hewett
,
M. Irwin
,
P. Bunclark

- Mon.Not.Roy.Astron.Soc. 213 (1985) 971

An Optimal extraction algorithm for CCD spectroscopy

K. Horne
(
- Baltimore, Space Telescope Sci.
)

- Publ.Astron.Soc.Pac. 98 (1986) 609
•
DOI:
- 10.1086/131801

Optimal techniques in two - dimensional spectroscopy: Background subtraction for the 21st century

Daniel D. Kelson
(
- Carnegie Inst. Observ.
)

- Publ.Astron.Soc.Pac. 115 (2003) 688-699
•
e-Print:
- astro-ph/0303507
•
DOI:
- 10.1086/375502

Synphot Data User’s Guide, (Baltimore, STScI)

V. Laidler
,
F. Boffi
,
T. Barlow

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