2022MNRAS.517.1264L

Query : 2022MNRAS.517.1264L

2022MNRAS.517.1264L - Mon. Not. R. Astron. Soc., 517, 1264-1281 (2022/November-3)

Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) - XV. Constraining the cosmic reionization at 5.5 < z < 7.

LU T.-Y., GOTO T., HASHIMOTO T., SANTOS D.J.D., WONG Y.H.V., KIM S.J., HSIAO T.Y.-Y., KILERCI E., HO S.C.-C., NAGAO T., MATSUOKA Y., ONOUE M., TOBA Y. (The SHELLQs Collaboration)

Abstract (from CDS):

Revealing the cosmic hydrogen reionization history is one of the main goals of the modern cosmology. z > 5 quasars (QSOs) have been used as back-lights to investigate the evolution of the intervening intergalactic medium (IGM) during the cosmic reionization since their first discovery. However, due to the small population of luminous QSOs (∼130 QSOs known to date), a tight constraint on the reionization history has not yet been placed. In this work, we aim to tighten the constraint using the 93 QSOs (5.5 < z < 7.1) recently discovered in the Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQS) project. This is the largest QSO sample used to constrain the epoch of reionization. We measure the mean IGM Ly α transmission and the QSO near-zone size using the UV spectra of these QSOs. The mean IGM Ly α transmission rises above zero at z ≲ 6, indicating the end of the reionization. The near-zone sizes of the SHELLQs QSOs are consistent with sizes spanned by QSOs of lifetime tq ∼ 1-100 Myr in simulations. Due to the scatter created by the low signal-to-noise spectra and large Ly α redshift uncertainty, we cannot conclude whether the redshift evolution of the near-zone size is affected by the reionization effect.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): (galaxies:) intergalactic medium - (galaxies:) quasars:absorption lines - (galaxies:) quasars: general - (cosmology:) observations - (cosmology:) dark ages, reionization, first stars

Simbad objects: 94

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Number of rows : 94
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 [MOK2016b] HSC J000133.30+000605.4 QSO 00 01 33.30 +00 06 05.4           ~ 3 0
2 HSCS J000142+000057 QSO 00 01 42.54 +00 00 57.5           ~ 6 0
3 HSCS J000445-004944 QSO 00 04 45.81 -00 49 44.3           ~ 4 0
4 [MOK2016b] HSC J010603.68-003015.2 QSO 01 06 03.68 -00 30 15.2           ~ 3 0
5 [MOK2016b] HSC J011257.84+011042.4 QSO 01 12 57.84 +01 10 42.4           ~ 5 0
6 HSCS J020258-025153 QSO 02 02 58.21 -02 51 53.6           ~ 9 0
7 DELS J020611.20-025537.8 QSO 02 06 11.20 -02 55 37.8           ~ 12 0
8 [MOK2016b] HSC J021144.53-020303.9 QSO 02 11 44.53 -02 03 03.9           ~ 6 0
9 [MOK2016b] HSC J021316.94-062615.2 QSO 02 13 16.94 -06 26 15.2           ~ 10 0
10 [MOK2016b] HSC J021721.59-020852.6 QSO 02 17 21.59 -02 08 52.6           ~ 37 0
11 [MOK2016b] HSC J022029.72-043204.0 QSO 02 20 29.72 -04 32 04.0           ~ 6 0
12 [MOK2016b] HSC J023542.42-053241.6 QSO 02 35 42.42 -05 32 41.6           ~ 25 0
13 [MOK2016b] HSC J023858.09-031845.4 QSO 02 38 58.09 -03 18 45.4           ~ 5 0
14 [MOK2016b] HSC J083400.88+021146.9 QSO 08 34 00.88 +02 11 46.9           ~ 8 0
15 [MOK2016b] HSC J084408.61-013216.5 QSO 08 44 08.61 -01 32 16.5           ~ 10 0
16 HSCS J084431-005254 QSO 08 44 31.60 -00 52 54.6           ~ 9 0
17 [MOK2016b] HSC J084456.62+022640.5 QSO 08 44 56.62 +02 26 40.5           ~ 4 0
18 [MOK2016b] HSC J085348.84+013911.0 QSO 08 53 48.84 +01 39 11.0           ~ 7 0
19 HSCS J085738+005612 QSO 08 57 38.53 +00 56 12.7           ~ 7 0
20 HSCS J085813+000057 QSO 08 58 13.52 +00 00 57.1           ~ 9 0
21 HSCS J085907+002255 QSO 08 59 07.19 +00 22 55.9           ~ 23 0
22 HSCS J090254+015510 QSO 09 02 54.87 +01 55 10.9           ~ 8 0
23 HSCS J090314+021128 QSO 09 03 14.68 +02 11 28.3           ~ 8 0
24 HSCS J090544+030058 QSO 09 05 44.65 +03 00 58.8           ~ 7 0
25 [MOK2016b] HSC J090921.50+044042.9 QSO 09 09 21.50 +04 40 42.9           ~ 6 0
26 [MOK2016b] HSC J091114.27+015219.4 QSO 09 11 14.27 +01 52 19.4           ~ 8 0
27 HSCS J091833+013923 QSO 09 18 33.17 +01 39 23.4           ~ 9 0
28 QSO J0921+0007 QSO 09 21 20.56 +00 07 22.9           ~ 21 0
29 QSO J0923+0402 QSO 09 23 47.12 +04 02 54.4           ~ 26 0
30 [MOK2016b] HSC J093000.85+005738.4 QSO 09 30 00.85 +00 57 38.4           ~ 3 0
31 [MOK2016b] HSC J093543.32-011033.3 QSO 09 35 43.32 -01 10 33.3           ~ 4 0
32 [MOK2016b] HSC J095740.40+005333.7 QSO 09 57 40.40 +00 53 33.7           ~ 8 0
33 HSCS J100401+023930 QSO 10 04 01.37 +02 39 30.9           ~ 9 0
34 [MOK2016b] HSC J113218.15+003800.1 QSO 11 32 18.15 +00 38 00.1           ~ 3 0
35 [MOK2016b] HSC J113753.64+004509.7 QSO 11 37 53.64 +00 45 09.7           ~ 4 0
36 [MOK2016b] HSC J114632.66-015438.2 QSO 11 46 32.66 -01 54 38.2           ~ 7 0
37 [MOK2016b] HSC J114648.42+012420.1 QSO 11 46 48.42 +01 24 20.1           ~ 7 0
38 [MOK2016b] HSC J114658.89-000537.7 QSO 11 46 58.89 -00 05 37.7           ~ 10 0
39 QSO J1152+0055 QSO 11 52 21.27 +00 55 36.6           ~ 32 0
40 [MOK2016b] HSC J120103.02+013356.4 QSO 12 01 03.02 +01 33 56.4           ~ 9 0
41 HSCS J120246-005701 QSO 12 02 46.37 -00 57 01.7           ~ 15 0
42 QSO J1205-0000 QSO 12 05 05.09 -00 00 27.9           ~ 35 0
43 HSCS J120754-000553 QSO 12 07 54.14 -00 05 53.3           ~ 8 0
44 [MOK2016b] HSC J120859.23-020034.8 QSO 12 08 59.23 -02 00 34.8           ~ 19 0
45 HSCS J120923-000646 QSO 12 09 23.99 -00 06 46.5           ~ 7 0
46 [MOK2016b] HSC J121049.13+013426.7 QSO 12 10 49.13 +01 34 26.7           ~ 3 0
47 [MOK2016b] HSC J121905.34+005037.5 QSO 12 19 05.34 +00 50 37.5           ~ 7 0
48 HSCS J123137+005230 QSO 12 31 37.77 +00 52 30.3           ~ 5 0
49 HSCS J124353+010038 QSO 12 43 53.93 +01 00 38.5           ~ 23 0
50 [MOK2016b] HSC J125437.08-001410.7 QSO 12 54 37.08 -00 14 10.7           ~ 4 0
51 [MOK2016b] HSC J134400.87+012827.8 QSO 13 44 00.87 +01 28 27.8           ~ 4 0
52 [MOK2016b] HSC J134733.69-015750.6 QSO 13 47 33.69 -01 57 50.6           ~ 4 0
53 [MOK2016b] HSC J135012.04-002705.2 QSO 13 50 12.04 -00 27 05.2           ~ 4 0
54 [MOK2016b] HSC J140015.38+010623.7 BD* 14 00 15.38 +01 06 23.7           T4 2 0
55 [MOK2016b] HSC J140028.80-001151.4 QSO 14 00 28.80 -00 11 51.4           ~ 7 0
56 [MOK2016b] HSC J140029.99-012521.0 QSO 14 00 29.99 -01 25 21.0           ~ 7 0
57 [MOK2016b] HSC J140629.13-011611.1 QSO 14 06 29.13 -01 16 11.1           ~ 9 0
58 [MOK2016b] HSC J140646.90-014402.5 QSO 14 06 46.90 -01 44 02.5           ~ 6 0
59 [MOK2016b] HSC J141439.54+013036.5 QSO 14 14 39.54 +01 30 36.5           ~ 7 0
60 [MOK2016b] HSC J141612.71+001546.2 QSO 14 16 12.71 +00 15 46.2           ~ 6 0
61 [MOK2016b] HSC J141653.01+014702.2 QSO 14 16 53.01 +01 47 02.2           ~ 6 0
62 [MOK2016b] HSC J141728.67+011712.4 QSO 14 17 28.67 +01 17 12.4           ~ 7 0
63 [MOK2016b] HSC J142200.24+001103.1 QSO 14 22 00.24 +00 11 03.1           ~ 6 0
64 [MOK2016b] HSC J142307.21-022519.0 QSO 14 23 07.21 -02 25 19.0           ~ 3 0
65 [MOK2016b] HSC J142331.71-001809.1 QSO 14 23 31.71 -00 18 09.1           ~ 12 0
66 HSCS J142517-001540 QSO 14 25 17.72 -00 15 40.8           ~ 10 0
67 [MOK2016b] HSC J142611.33-012822.8 QSO 14 26 11.33 -01 28 22.8           ~ 2 0
68 HSCS J142903-010443 QSO 14 29 03.08 -01 04 43.4           ~ 9 0
69 HSCS J142920-000207 QSO 14 29 20.23 -00 02 07.5           ~ 9 0
70 HSCS J144001-010702 QSO 14 40 01.30 -01 07 02.2           ~ 6 0
71 [MOK2016b] HSC J144823.33+433305.9 QSO 14 48 23.33 +43 33 05.9           ~ 4 0
72 [MOK2016b] HSC J151248.71+442217.5 QSO 15 12 48.71 +44 22 17.5           ~ 9 0
73 HSCS J151657+422852 QSO 15 16 57.87 +42 28 52.9           ~ 4 0
74 HSCS J152555+430324 QSO 15 25 55.79 +43 03 24.0           ~ 5 0
75 [MOK2016b] HSC J154505.62+423211.6 QSO 15 45 05.62 +42 32 11.6           ~ 8 0
76 [MOK2016b] HSC J155000.93+431802.8 QSO 15 50 00.93 +43 18 02.8           ~ 6 0
77 HSCS J160952+551548 G 16 09 52.79 +55 15 48.5           ~ 4 0
78 HSCS J161207+555919 QSO 16 12 07.12 +55 59 19.2           ~ 4 0
79 [MOK2016b] HSC J161819.77+552654.0 QSO 16 18 19.77 +55 26 54.0           ~ 3 0
80 [MOK2016b] HSC J220132.07+015529.0 QSO 22 01 32.07 +01 55 29.0           ~ 7 0
81 HSCS J221027+030428 QSO 22 10 27.24 +03 04 28.5           ~ 9 0
82 QSO J2216-0016 QSO 22 16 44.47 -00 16 50.1           ~ 29 0
83 [MOK2016b] HSC J222309.51+032620.3 QSO 22 23 09.51 +03 26 20.3           ~ 7 0
84 [MOK2016b] HSC J222827.83+012809.5 QSO 22 28 27.83 +01 28 09.5           ~ 11 0
85 HSCS J222847+015240 QSO 22 28 47.71 +01 52 40.5           ~ 12 0
86 [MOK2016b] HSC J223148.89-003547.5 QSO 22 31 48.89 -00 35 47.5           ~ 6 0
87 HSCS J223212+001238 QSO 22 32 12.03 +00 12 38.4           ~ 9 0
88 [MOK2016b] HSC J223644.58+003256.9 QSO 22 36 44.58 +00 32 56.9           ~ 19 0
89 HSCS J223947+020747 QSO 22 39 47.47 +02 07 47.5           ~ 28 0
90 HSCS J225205+022531 QSO 22 52 05.44 +02 25 31.9           ~ 8 0
91 [MOK2016b] HSC J225520.78+050343.3 QSO 22 55 20.78 +05 03 43.3           ~ 4 0
92 [MOK2016b] HSC J225538.04+025126.6 QSO 22 55 38.04 +02 51 26.6           ~ 14 0
93 HSCS J230422+004505 QSO 23 04 22.97 +00 45 05.4           ~ 9 0
94 HSCS J235646+001747 QSO 23 56 46.33 +00 17 47.3           ~ 13 0

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