2020ApJ...903...24M

Query : 2020ApJ...903...24M

2020ApJ...903...24M - Astrophys. J., 903, 24-24 (2020/November-1)

Cosmological 3D H I gas map with HETDEX Lyα emitters and eBOSS QSOs at z = 2: IGM-Galaxy/QSO connection and a ∼40 Mpc scale giant H II bubble candidate.

MUKAE S., OUCHI M., HILL G.J., GEBHARDT K., MENTUCH COOPER E., JEONG D., SAITO S., FABRICIUS M., GAWISER E., CIARDULLO R., FARROW D., DAVIS D., ZEIMANN G., FINKELSTEIN S.L., GRONWALL C., LIU C., ZHANG Y., BYROHL C., ONO Y., SCHNEIDER D.P., JARVIS M.J., CASEY C.M. and MAWATARI K.

Abstract (from CDS):

We present cosmological (30-400 Mpc) distributions of neutral hydrogen (H I) in the intergalactic medium (IGM) traced by Lyα emitters (LAEs) and QSOs at z = 2.1-2.5, selected with the data of the ongoing Hobby-Eberly Telescope Dark Energy Experiment (HETDEX) and the eBOSS survey. Motivated by a previous study of Mukae et al., we investigate spatial correlations of LAEs and QSOs with H I tomography maps reconstructed from H I Lyα forest absorption in the spectra of background galaxies and QSOs obtained by the CLAMATO survey and this study, respectively. In the cosmological volume far from QSOs, we find that LAEs reside in regions of strong H I absorption, i.e., H I rich, which is consistent with results of previous galaxy-background QSO pair studies. Moreover, there is an anisotropy in the H I distribution plot of transverse and line-of-sight distances; on average the H I absorption peak is blueshifted by ∼200 km s–1 from the LAE Lyα redshift, reproducing the known average velocity offset between the Lyα emission redshift and the galaxy systemic redshift. We have identified a ∼40 Mpc scale volume of H I underdensity that is a candidate for a giant H II bubble, where six QSOs and an LAE overdensity exist at <z >=2.16. The coincidence of the QSO and LAE overdensities with the H I underdensity indicates that the ionizing photon radiation of the QSOs has created a highly ionized volume of multiple proximity zones in a matter overdensity. Our results suggest an evolutionary picture where H I gas in an overdensity of galaxies becomes highly photoionized when QSOs emerge in the galaxies.

Abstract Copyright: © 2020. The American Astronomical Society. All rights reserved.

Journal keyword(s): Galaxy formation - Intergalactic medium - Large-scale structure of the universe

VizieR on-line data: <Available at CDS (J/ApJ/903/24): table2.dat table3.dat table4.dat table5.dat>

Nomenclature: Tables 2-3: HETDEX JHHMMSS.ss+DDMMSS.s N=27+26. Fig. 13: [MOH2020] EGS-QO1 N=1. Figs 13+16, Table 3: [MOH2020] LAEN (Nos LAE1-LAE4).

Simbad objects: 159

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Number of rows : 159
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 HETDEX J100020.68+021253.3 EmG 10 00 20.69 +02 12 53.4           ~ 7 0
2 HETDEX J100021.01+021622.9 EmG 10 00 20.9949 +02 16 23.238           ~ 3 0
3 HETDEX J100026.37+021134.2 EmG 10 00 26.38 +02 11 33.9 25.18 25.33 25.21 25.04 25.06 ~ 4 0
4 HETDEX J100027.22+021731.5 EmG 10 00 27.24 +02 17 31.3 24.86 24.81 24.61 24.72 24.66 ~ 11 0
5 CANDELS COSMOS F160W J100028.33+021758.3 EmG 10 00 28.336 +02 17 58.33       25.26   ~ 12 0
6 NAME COSMOS Field reg 10 00 28.60 +02 12 21.0           ~ 3639 0
7 [NHM2017] 9740 AGN 10 00 28.697 +02 17 44.86           ~ 2 0
8 HETDEX J100029.24+022027.3 EmG 10 00 29.240 +02 20 27.27           ~ 1 0
9 CANDELS COSMOS F160W J100031.99+021140.5 EmG 10 00 31.99 +02 11 40.6 24.62 24.69 24.50 24.72 24.31 ~ 7 0
10 COSMOS 1616510 EmG 10 00 33.95 +02 13 15.9 24.31 24.39 24.50 24.30 24.26 ~ 12 0
11 HETDEX J100039.54+021539.0 EmG 10 00 39.56 +02 15 38.6 25.34 24.93 24.79 24.88 25.01 ~ 8 0
12 CANDELS COSMOS F160W J100039.62+021338.8 EmG 10 00 39.62 +02 13 38.9 24.45 24.12 23.94 24.09 23.93 ~ 12 0
13 ACS-GC 20090255 Sy1 10 00 43.91 +02 14 52.5   23.768 23.837   23.055 ~ 27 0
14 HETDEX J100047.17+021305.1 EmG 10 00 47.170 +02 13 05.06           ~ 1 0
15 HETDEX J100047.46+021158.1 EmG 10 00 47.4939 +02 11 57.242           ~ 4 0
16 HETDEX J100051.07+021211.9 EmG 10 00 51.070 +02 12 11.94           ~ 1 0
17 ACS-GC 20119905 AGN 10 00 54.06 +02 21 04.4 25.31 24.614 24.40 24.42 24.09 ~ 23 0
18 HETDEX J100055.21+021413.7 EmG 10 00 55.210 +02 14 13.67           ~ 1 0
19 COSMOS2015 605588 EmG 10 00 56.83 +02 13 16.3 25.50 25.05 25.09 25.08 25.10 ~ 3 0
20 HETDEX J100057.43+021449.5 EmG 10 00 57.430 +02 14 49.48           ~ 1 0
21 HETDEX J100057.47+021801.7 EmG 10 00 57.49 +02 18 00.6 23.880 23.87 23.62 23.65 23.53 ~ 5 0
22 COSMOS2015 639051 EmG 10 01 00.45 +02 16 13.6 24.37 24.38 24.25 24.25 24.16 ~ 4 0
23 HETDEX J100100.82+021728.7 EmG 10 01 00.820 +02 17 28.67           ~ 1 0
24 COSMOS2015 713947 EmG 10 01 01.48 +02 22 56.0 24.58 24.29 23.88 23.93 23.79 ~ 6 0
25 COSMOS2015 647311 EmG 10 01 02.34 +02 16 59.3 26.12 25.07 24.83 24.56 24.31 ~ 4 0
26 HETDEX J100104.47+021436.5 EmG 10 01 04.470 +02 14 36.50           ~ 1 0
27 HETDEX J100116.29+021823.0 EmG 10 01 16.290 +02 18 23.04           ~ 1 0
28 COSMOS2015 672683 EmG 10 01 19.93 +02 19 15.6 24.62 24.48 24.16 24.23 24.07 ~ 2 0
29 SDSS J141408.56+524038.7 QSO 14 14 08.5710287088 +52 40 38.796967848           ~ 15 0
30 SDSS J141416.34+533508.4 QSO 14 14 16.343 +53 35 08.40           ~ 17 0
31 SDSS J141418.23+535046.8 QSO 14 14 18.235 +53 50 46.83           ~ 15 0
32 SDSS J141420.55+532216.6 QSO 14 14 20.5524708360 +53 22 16.682692692           ~ 19 0
33 SDSS J141422.81+525120.8 QSO 14 14 22.819 +52 51 20.80           ~ 7 0
34 SDSS J141435.47+532537.0 QSO 14 14 35.4724197216 +53 25 37.057016676           ~ 15 0
35 SDSS J141439.06+520616.1 QSO 14 14 39.0636154728 +52 06 16.120872612   20.79   20.67 20.62 ~ 15 0
36 SDSS J141444.20+533555.6 QSO 14 14 44.200 +53 35 55.60           ~ 15 0
37 SDSS J141508.57+530019.7 QSO 14 15 08.5776400048 +53 00 19.711284290           ~ 14 0
38 SDSS J141524.43+532832.7 QSO 14 15 24.437 +53 28 32.76           ~ 15 0
39 SDSS J141534.20+525743.2 QSO 14 15 34.2052099512 +52 57 43.187958468           ~ 16 0
40 SDSS J141541.15+535104.2 QSO 14 15 41.1459601776 +53 51 04.269220956           ~ 16 0
41 SDSS J141548.08+520910.1 QSO 14 15 48.073 +52 09 09.94   21.34   20.88 20.67 ~ 16 0
42 [VV2006] J141551.3+522740 QSO 14 15 51.2753410800 +52 27 40.552999740   20.112 19.774 19.70 19.458 ~ 31 0
43 SDSS J141554.32+535357.0 QSO 14 15 54.322 +53 53 57.02           ~ 16 0
44 SDSS J141554.46+531706.9 QSO 14 15 54.461 +53 17 06.92           ~ 15 0
45 SDSS J141602.71+531745.0 QSO 14 16 02.7178473864 +53 17 45.106436004           ~ 14 0
46 SDSS J141627.01+531940.1 QSO 14 16 27.010 +53 19 40.10           ~ 9 0
47 SDSS J141628.69+533100.4 QSO 14 16 28.7022442608 +53 31 00.362261172           ~ 17 0
48 SDSS J141628.93+520329.1 QSO 14 16 28.939 +52 03 29.19           ~ 8 0
49 SDSS J141641.41+532147.1 QSO 14 16 41.4183850680 +53 21 47.104819128           ~ 17 0
50 SDSS J141645.06+530510.3 QSO 14 16 45.068 +53 05 10.36           ~ 10 0
51 SBSS 1415+524 QSO 14 16 47.2138884192 +52 11 15.252295668   18.753 18.473 18.59 18.010 ~ 48 0
52 SDSS J141704.00+533807.4 QSO 14 17 04.005 +53 38 07.47           ~ 16 0
53 SDSS J141715.19+530303.7 QSO 14 17 15.1940903616 +53 03 03.798304164           ~ 16 0
54 SDSS J141722.29+534853.0 QSO 14 17 22.3073565504 +53 48 53.172916488           ~ 14 0
55 SDSS J141722.73+525851.8 QSO 14 17 22.738 +52 58 51.84           ~ 8 0
56 HETDEX J141725.63+523557.5 EmG 14 17 25.630 +52 35 57.51           ~ 1 0
57 SDSS J141726.51+521856.5 QSO 14 17 26.519 +52 18 56.51   22.424 22.038 21.55 21.487 ~ 17 0
58 SDSS J141730.00+533825.9 QSO 14 17 30.001 +53 38 25.96           ~ 11 0
59 HETDEX J141733.68+522437.8 EmG 14 17 33.7060 +52 24 38.278           ~ 2 0
60 SDSS J141738.83+522333.0 QSO 14 17 38.8396110048 +52 23 33.087782652   21.427 21.015 21.23 20.516 ~ 26 0
61 SDSS J141743.33+531145.6 QSO 14 17 43.331 +53 11 45.68           ~ 19 0
62 SDSS J141750.37+534517.7 QSO 14 17 50.3754410496 +53 45 17.799136884           ~ 17 0
63 SDSS J141752.39+534849.4 QSO 14 17 52.3953821784 +53 48 49.499199108           ~ 16 0
64 HETDEX J141801.61+523101.0 EmG 14 18 01.610 +52 31 00.99           ~ 1 0
65 HETDEX J141802.49+523100.0 EmG 14 18 02.490 +52 31 00.01           ~ 1 0
66 SDSS J141807.73+531754.0 QSO 14 18 07.7341255608 +53 17 53.974100004           ~ 17 0
67 HETDEX J141810.58+522031.2 EmG 14 18 10.580 +52 20 31.17           ~ 1 0
68 SDSS J141817.46+531116.8 QSO 14 18 17.4636323448 +53 11 16.841842296           ~ 17 0
69 SDSS J141818.45+524356.0 QSO 14 18 18.4706486352 +52 43 56.083221120   21.86   22.10 21.60 ~ 22 0
70 SDSS J141823.07+524118.9 QSO 14 18 23.076 +52 41 18.82   22.28   22.48 21.94 ~ 11 0
71 HETDEX J141825.85+524355.4 EmG 14 18 25.850 +52 43 55.41           ~ 1 0
72 HETDEX J141826.73+522329.7 EmG 14 18 26.730 +52 23 29.71           ~ 1 0
73 HETDEX J141830.26+524329.8 EmG 14 18 30.260 +52 43 29.82           ~ 1 0
74 HETDEX J141831.12+523239.7 EmG 14 18 31.120 +52 32 39.69           ~ 1 0
75 HETDEX J141831.80+522154.0 EmG 14 18 31.800 +52 21 53.96           ~ 1 0
76 CANDELS EGS F160W J141834.5+524346.2 EmG 14 18 34.464 +52 43 46.16           ~ 2 0
77 SDSS J141842.27+523643.9 QSO 14 18 42.274 +52 36 43.97   21.32   21.07 20.87 ~ 16 0
78 SDSS J141843.30+531920.8 QSO 14 18 43.3051353000 +53 19 20.884474812           ~ 19 0
79 HETDEX J141847.24+523329.5 EmG 14 18 47.240 +52 33 29.49           ~ 1 0
80 HETDEX J141851.86+524745.9 EmG 14 18 51.860 +52 47 45.85           ~ 1 0
81 HETDEX J141852.67+530350.6 EmG 14 18 52.670 +53 03 50.64           ~ 1 0
82 SDSS J141857.24+521823.5 QSO 14 18 57.2425498104 +52 18 23.405622048           ~ 10 0
83 NAME Extended Groth Strip reg 14 19 +52.8           ~ 1023 0
84 SDSS J141905.24+535354.1 QSO 14 19 05.2453001520 +53 53 54.141630468           ~ 24 0
85 SDSS J141905.73+521238.0 QSO 14 19 05.736 +52 12 38.08           ~ 13 0
86 HETDEX J141906.49+525328.0 EmG 14 19 06.490 +52 53 27.98           ~ 1 0
87 SDSS J141907.21+520151.9 QSO 14 19 07.212 +52 01 51.97           ~ 8 0
88 HETDEX J141909.77+525223.4 EmG 14 19 09.770 +52 52 23.38           ~ 1 0
89 SDSS J141910.22+534707.1 QSO 14 19 10.2159432480 +53 47 07.134794268           ~ 17 0
90 SDSS J141912.47+520818.0 QSO 14 19 12.4761668064 +52 08 18.013104600           ~ 18 0
91 HETDEX J141913.02+524911.2 EmG 14 19 13.020 +52 49 11.23           ~ 1 0
92 SDSS J141915.99+534924.3 QSO 14 19 15.9874883592 +53 49 24.185810100           ~ 11 0
93 ACS-GC 13019008 AGN 14 19 26.226 +52 54 41.74   25.33   25.08 25.00 ~ 8 0
94 SDSS J141927.35+533727.7 QSO 14 19 27.3593303856 +53 37 27.637138524           ~ 18 0
95 SDSS J141929.90+533501.4 QSO 14 19 29.910 +53 35 01.41           ~ 16 0
96 SDSS J141932.07+522639.4 QSO 14 19 32.0810462496 +52 26 39.409801728           ~ 15 0
97 SDSS J141945.41+522333.8 QSO 14 19 45.416 +52 23 33.83           ~ 8 0
98 HETDEX J141948.50+525246.9 EmG 14 19 48.500 +52 52 46.85           ~ 1 0
99 SDSS J141952.89+520116.8 QSO 14 19 52.8930343632 +52 01 16.962258396           ~ 16 0
100 SDSS J141955.27+522741.1 QSO 14 19 55.2758045472 +52 27 41.156098452           ~ 16 0
101 SDSS J142010.48+531223.8 QSO 14 20 10.4906562432 +53 12 23.839992720   20.20   20.02 19.89 ~ 18 0
102 HETDEX J142017.52+522050.5 EmG 14 20 17.520 +52 20 50.55           ~ 1 0
103 CANDELS EGS F160W J142026.2+525919.1 EmG 14 20 26.165 +52 59 19.12           ~ 2 0
104 SDSS J142033.17+530735.2 QSO 14 20 33.1622308104 +53 07 35.069639592       20.89   ~ 8 0
105 SDSS J142036.56+521455.0 QSO 14 20 36.5531738808 +52 14 55.042376928           ~ 14 0
106 SDSS J142037.24+525851.1 QSO 14 20 37.242 +52 58 51.01   21.60   21.30 21.41 ~ 15 0
107 HETDEX J142037.65+530335.6 EmG 14 20 37.650 +53 03 35.62           ~ 1 0
108 SDSS J142041.26+533355.3 QSO 14 20 41.2700789256 +53 33 55.345644144           ~ 18 0
109 SDSS J142046.11+522421.8 QSO 14 20 46.117 +52 24 21.88           ~ 8 0
110 SDSS J142049.31+535211.5 QSO 14 20 49.3115570616 +53 52 11.606208924           ~ 17 0
111 SDSS J142058.62+524044.6 QSO 14 20 58.628 +52 40 44.62           ~ 7 0
112 SDSS J142102.17+533944.1 QSO 14 21 02.1711735096 +53 39 44.084264004           ~ 18 0
113 SDSS J142103.96+523712.5 QSO 14 21 03.962 +52 37 12.53           ~ 6 0
114 SDSS J142113.29+524929.9 QSO 14 21 13.2979477608 +52 49 29.851595508           ~ 18 0
115 SDSS J142117.99+525346.0 QSO 14 21 17.9945364312 +52 53 45.961189692           ~ 16 0
116 SDSS J142133.92+530245.6 QSO 14 21 33.921 +53 02 45.52   22.46   21.93 21.73 ~ 10 0
117 SDSS J142138.60+523324.6 QSO 14 21 38.6067948216 +52 33 24.560420292           ~ 15 0
118 SDSS J142141.25+524551.6 QSO 14 21 41.2538071752 +52 45 51.505191108           ~ 15 0
119 HETDEX J142144.85+525330.0 EmG 14 21 44.850 +52 53 30.01           ~ 1 0
120 HETDEX J142145.41+522401.2 EmG 14 21 45.410 +52 24 01.16           ~ 1 0
121 SDSS J142155.20+522749.4 QSO 14 21 55.205 +52 27 49.49           ~ 16 0
122 HETDEX J142200.64+525448.7 EmG 14 22 00.640 +52 54 48.73           ~ 1 0
123 SDSS J142201.46+523250.2 QSO 14 22 01.4728447488 +52 32 50.180623260           ~ 16 0
124 SDSS J142208.12+522908.6 QSO 14 22 08.120 +52 29 08.65           ~ 13 0
125 SDSS J142226.23+525710.0 QSO 14 22 26.235 +52 57 10.05           ~ 6 0
126 SDSS J142234.46+525838.0 QSO 14 22 34.4602364376 +52 58 37.950456684           ~ 12 0
127 SDSS J142235.01+520010.2 QSO 14 22 35.0002701192 +52 00 10.088948664           ~ 9 0
128 SDSS J142237.49+525335.8 QSO 14 22 37.496 +52 53 35.87           ~ 14 0
129 SDSS J142239.59+522852.7 QSO 14 22 39.593 +52 28 52.79           ~ 13 0
130 SDSS J142240.48+520412.1 QSO 14 22 40.4759280408 +52 04 11.814835332           ~ 7 0
131 SDSS J142242.59+524415.7 QSO 14 22 42.5920538856 +52 44 15.628707528           ~ 15 0
132 SDSS J142252.42+533648.8 QSO 14 22 52.420 +53 36 48.87   21.570   21.485 21.10 ~ 18 0
133 SDSS J142306.05+531529.0 QSO 14 23 06.0535709904 +53 15 28.997982324   18.34   18.27 18.07 ~ 20 0
134 SDSS J142307.37+533440.1 QSO 14 23 07.385 +53 34 39.84   21.73   22.03 21.57 ~ 12 0
135 HETDEX J142308.86+525232.6 EmG 14 23 08.860 +52 52 32.56           ~ 1 0
136 SDSS J142317.30+521312.9 QSO 14 23 17.309 +52 13 12.96           ~ 7 0
137 SDSS J142333.95+520701.2 QSO 14 23 33.9516313416 +52 07 00.870462156           ~ 7 0
138 SDSS J142337.20+521608.0 QSO 14 23 37.2107078712 +52 16 07.721138748           ~ 7 0
139 SDSS J142337.51+531828.8 QSO 14 23 37.5249755904 +53 18 28.746259488           ~ 12 0
140 SDSS J142350.24+532929.3 QSO 14 23 50.2432718616 +53 29 29.249460456   21.243   21.157 20.731 ~ 17 0
141 SDSS J142411.08+532041.3 QSO 14 24 11.0834394480 +53 20 41.297948736           ~ 15 0
142 SDSS J142411.58+535026.9 QSO 14 24 11.5816693848 +53 50 26.988435132           ~ 12 1
143 SDSS J142418.21+530406.5 QSO 14 24 18.2107581696 +53 04 06.588959484           ~ 17 0
144 SDSS J142419.18+531750.6 QSO 14 24 19.1943720576 +53 17 50.549064360           ~ 16 0
145 SDSS J142422.50+525903.2 QSO 14 24 22.5073446792 +52 59 03.169056372           ~ 15 0
146 SDSS J142427.84+522044.6 QSO 14 24 27.8550368664 +52 20 44.361504348           ~ 10 0
147 SDSS J142432.07+522220.7 QSO 14 24 32.0740654248 +52 22 20.445147444           ~ 9 0
148 SDSS J142433.01+534352.7 QSO 14 24 33.0322316544 +53 43 52.463656920           ~ 9 0
149 SDSS J142438.97+522139.4 QSO 14 24 38.971 +52 21 39.41           ~ 11 0
150 SDSS J142448.10+532121.6 QSO 14 24 48.1052791992 +53 21 21.385804500           ~ 10 0
151 SDSS J142450.92+525001.7 QSO 14 24 50.9290806120 +52 50 01.584208680           ~ 9 0
152 SDSS J142455.68+520609.8 QSO 14 24 55.6880969424 +52 06 09.494182836           ~ 10 0
153 SDSS J142458.51+524150.0 QSO 14 24 58.512 +52 41 50.03           ~ 9 0
154 SDSS J142506.34+520129.0 QSO 14 25 06.343 +52 01 29.03           ~ 10 0
155 SDSS J142506.96+525444.4 QSO 14 25 06.968 +52 54 44.49           ~ 8 0
156 SDSS J142509.13+535149.2 QSO 14 25 09.134 +53 51 49.28           ~ 9 0
157 SDSS J142510.78+532309.8 QSO 14 25 10.7852109048 +53 23 09.578863176           ~ 9 0
158 SDSS J142523.42+532946.1 QSO 14 25 23.430 +53 29 46.14           ~ 10 0
159 SDSS J142551.02+520509.3 QSO 14 25 51.0369609984 +52 05 08.961002088           ~ 8 0

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