2008ApJS..175...29M

Query : 2008ApJS..175...29M

2008ApJS..175...29M - Astrophys. J., Suppl. Ser., 175, 29-47 (2008/March-0)

The flux auto- and cross-correlation of the Lyα forest. I. Spectroscopy of QSO pairs with arcminute separations and similar redshifts.

MARBLE A.R., ERIKSEN K.A., IMPEY C.D., BAI L. and MILLER L.

Abstract (from CDS):

The Lyα forest has opened a new redshift regime for cosmological investigation. At z>2 it provides a unique probe of cosmic geometry and an independent constraint on dark energy that is not subject to standard candle or ruler assumptions. In Paper I of this series on using the Lyα forest observed in pairs of QSOs for a new application of the Alcock-Paczy{nacute}ski test, we present and discuss the results of a campaign to obtain moderate-resolution spectroscopy (FWHM ≃ 2.5 Å) of the Lyα forest in pairs of QSOs with small redshift differences (Δz<0.25, z>2.2) and arcminute separations (θ<5'). This data set, composed of seven individual QSOs, 35 pairs, and one triplet, is also well suited for future investigations of the coherence of Lyα absorbers on ∼1 Mpc transverse scales and the transverse proximity effect. We note seven revisions for previously published QSO identifications and/or redshifts.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - Errata, Addenda - Galaxies: Intergalactic Medium - Galaxies: Quasars: Absorption Lines

VizieR on-line data: <Available at CDS (J/ApJS/175/29): table2.dat table4.dat refs.dat>

Nomenclature: Table 2, 4: [MEI2008] NN (Nos 1-89).

Simbad objects: 86

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Number of rows : 86
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 QSO J0008-2900 QSO 00 08 52.7138115360 -29 00 43.768919952   19.12 18.55     ~ 17 0
2 QSO J0008-2901 QSO 00 08 57.7364328528 -29 01 26.625524232   19.85       ~ 15 0
3 QSO B0014-3913 QSO 00 17 10.2375006072 -38 56 26.723951700     18.80     ~ 13 0
4 LBQS 0041-2607 QSO 00 43 58.8119675424 -25 51 15.417967500   17.5 17.40 17.1   ~ 31 0
5 [VV2006] J005852.6-272933 QSO 00 58 52.5146084496 -27 29 32.362527048   20.09       ~ 11 0
6 [VV2006] J005859.1-273037 QSO 00 58 59.1752956656 -27 30 37.432210464   19.90       ~ 8 0
7 MCG-07-03-018 Sy1 01 20 19.6852942584 -44 07 42.896757504   14.59 14.75 13.07   ~ 47 0
8 [VV2006] J012050.5-314346 QSO 01 20 50.5279563648 -31 43 46.179701904   20.24       ~ 7 0
9 [VV2006] J012103.1-314244 QSO 01 21 03.1297764648 -31 42 45.338819472   20.64       ~ 6 0
10 [VV2006] J013036.0-274148 QSO 01 30 35.9877643200 -27 41 47.020590996     20.73     ~ 4 0
11 [VV2006] J013042.4-273931 QSO 01 30 42.3881434368 -27 39 30.102130476     20.83     ~ 4 0
12 [VV2006] J021751.4-302748 QSO 02 17 51.3886057920 -30 27 47.878574652     19.34     ~ 5 0
13 [VV2006] J021755.0-302952 QSO 02 17 54.9825675648 -30 29 52.101672108     20.68     ~ 5 0
14 [VV2006] J024548.2-295006 QSO 02 45 48.2899851384 -29 50 05.683408692   20.72       ~ 6 0
15 [VV2006] J024549.3-294824 QSO 02 45 49.4370717912 -29 48 23.699980944   20.63       ~ 6 0
16 [VV2006] J025327.4-280022 QSO 02 53 27.3866089968 -28 00 21.753516564     18.75     ~ 5 0
17 [VV2006] J025337.4-280110 QSO 02 53 37.4524187760 -28 01 09.000508224     20.31     ~ 4 0
18 [VV2006] J031036.5-305107 QSO 03 10 36.4971386184 -30 51 07.816154292   20.35       ~ 8 0
19 QSO J0310-3050 QSO 03 10 41.0818529472 -30 50 27.021720264   19.55       ~ 8 0
20 [VV96] J031631.7-551228 QSO 03 16 31.6 -55 12 27   21.40 21.14 20.17   ~ 7 0
21 QSO B0315-553 QSO 03 16 50.3105090856 -55 11 09.871989756   18.04 17.49 17.51   ~ 13 0
22 [VV96] J031741.2-531159 QSO 03 17 41.2213201008 -53 11 58.905624336   19.1 19.1     ~ 6 0
23 [VV96] J031743.2-531103 QSO 03 17 43.2172012920 -53 11 03.965422488   19.1 19.1     ~ 6 0
24 QSO J0729+2524 QSO 07 29 28.4824005288 +25 24 51.859037916   18.03 17.66     ~ 24 0
25 GB6 B0726+2530 Rad 07 29 28.7 +25 24 26           ~ 1 0
26 QSO B0842+449 QSO 08 45 57.7065615120 +44 45 46.003680432   18.86 18.57     ~ 35 0
27 QSO J0958-0028 QSO 09 58 00.3246195168 -00 28 57.569923740   20.61       ~ 17 0
28 QSO J0958-0027 QSO 09 58 11.0164542744 -00 27 32.663126520   20.58       ~ 17 0
29 [VV2006] J100510.5-004323 QSO 10 05 10.5761263512 -00 43 23.436497856   20.14 19.82     ~ 17 0
30 QSO J1028-0136 QSO 10 28 27.1459121112 -01 36 40.838399532   20.37       ~ 15 0
31 [VV2006] J102832.6-013448 QSO 10 28 32.6099197248 -01 34 47.540120196   20.61       ~ 17 0
32 [VV2006] J103424.5+011901 QSO 10 34 24.5048938488 +01 19 02.412506604     20.45     ~ 6 0
33 [VV2006] J103432.7+011824 QSO 10 34 32.6825483088 +01 18 25.537590684     20.08     ~ 6 0
34 QSO J1106-0049 QSO 11 06 24.6958792392 -00 49 22.671003648   19.84       ~ 17 0
35 [VV2006] J110635.2-005004 QSO 11 06 35.1380267448 -00 50 03.402755124   20.76       ~ 14 0
36 [VV2006] J121251.1-005342 QSO 12 12 51.1838304816 -00 53 40.795471104   20.36       ~ 17 0
37 [VV2006] J121256.0-005336 QSO 12 12 56.0996019168 -00 53 35.358432324   20.81       ~ 18 0
38 [VV2006] J122707.1-011718 QSO 12 27 07.1374185288 -01 17 16.735066512   19.94       ~ 7 0
39 [VV2006] J122718.7-011942 QSO 12 27 18.7832771976 -01 19 40.977968484   19.63       ~ 18 0
40 [VV2006] J130941.9-022358 QSO 13 09 41.9505040320 -02 23 57.557765904     20.14     ~ 15 0
41 [VV2006] J130942.2-022652 QSO 13 09 42.1550371344 -02 26 52.395566928 19.10 19.30 19.10 19.10   ~ 30 0
42 [VV2006] J132758.9-023024 QSO 13 27 58.8333048720 -02 30 25.472374092   19.62 19.32     ~ 32 0
43 [VV2006] J132759.8-023139 QSO 13 27 59.7817611480 -02 31 40.312211124     19.94     ~ 16 0
44 [VV2006] J132830.2-015731 QSO 13 28 30.1329005592 -01 57 32.862129588     20.35     ~ 8 0
45 [VV2006] J132833.7-015727 QSO 13 28 33.6262826904 -01 57 27.964513080     20.38     ~ 16 0
46 [VV2006] J134114.9+010906 QSO 13 41 14.9565421656 +01 09 06.762664116 18.41 18.89 18.72 18.46   ~ 35 0
47 [VV2006] J134115.6+010812 QSO 13 41 15.5615586096 +01 08 12.729887340     19.24     ~ 22 0
48 [VV2006] J134726.2-005733 QSO 13 47 26.2458448632 -00 57 33.063124176   19.79 19.62     ~ 16 0
49 QSO J1347-0058 QSO 13 47 42.0635099736 -00 58 30.528443316   19.45 19.18     ~ 20 0
50 [VV2006] J135412.5-020143 QSO 13 54 12.6160335960 -02 01 42.277872324   19.44 19.29     ~ 29 0
51 [VV2006] J135420.1-020319 QSO 13 54 20.1842564520 -02 03 18.650686824     20.42     ~ 6 0
52 [VV2006] J141113.3+004451 QSO 14 11 13.3868869752 +00 44 51.751429368     19.39     ~ 18 0
53 QSO B1408+009 QSO 14 11 23.5101194784 +00 42 53.009872056   18.41 18.26     ~ 51 1
54 QSO J1442-0242 QSO 14 42 45.6696243552 -02 42 50.073386724   19.86 19.55     ~ 33 0
55 [VV2006] J144245.8-023906 QSO 14 42 45.7482176904 -02 39 05.755923612   19.85       ~ 15 0
56 QSO B1623+268A QSO 16 25 48.0865431168 +26 44 32.575702092   18.59 18.41     ~ 89 0
57 QSO B1623+269 QSO 16 25 48.7980918960 +26 46 58.784527056   17.77 17.64     ~ 109 0
58 QSO B1623+268C QSO 16 25 57.3858420048 +26 44 48.204752172   19.51 19.28     ~ 52 0
59 QSO B2139-4433 QSO 21 42 22.1687592288 -44 19 29.817953292   21.21 20.18     ~ 27 0
60 LBQS 2139-4434 QSO 21 42 25.7845895976 -44 20 18.352777308   18.83 16.64     ~ 53 0
61 QSO J2143-4450A QSO 21 43 04.0197694800 -44 50 35.861648352   21.14 20.15     ~ 8 0
62 QSO J2143-4450B QSO 21 43 06.9504131712 -44 50 47.294454588   21.27 20.26     ~ 8 0
63 [VV2006] J215225.9-283058 QSO 21 52 25.8469693464 -28 30 57.926843820   19.16       ~ 8 0
64 [VV2006] J215240.1-283251 QSO 21 52 40.0484499408 -28 32 50.376593292   19.62       ~ 7 0
65 [VV2006] J223850.2-295612 QSO 22 38 50.1461866824 -29 56 11.432786100   19.41       ~ 9 0
66 [VV2006] J223851.0-295301 QSO 22 38 50.9778730008 -29 53 00.485721204   19.53       ~ 13 0
67 [VV2006] J224018.2-294029 QSO 22 40 18.2374503432 -29 40 29.369501544   20.59       ~ 6 0
68 [VV2006] J224022.3-293856 QSO 22 40 22.3458473352 -29 38 55.212464796     20.46     ~ 5 0
69 QSO B2237+003 QSO 22 40 26.2140972384 +00 39 40.133590884   18.98 18.61     ~ 33 0
70 QSO B2238+004 QSO 22 40 40.0633001880 +00 40 25.131378972   20.5 20.5     ~ 8 0
71 [VV2006] J224152.2-284105 QSO 22 41 52.0744598184 -28 41 03.698231028     19.22     ~ 4 0
72 [VV2006] J224158.5-284249 QSO 22 41 58.3114506696 -28 42 48.234753972     19.58     ~ 4 0
73 [VV2006] J230301.7-290026 QSO 23 03 01.6509125592 -29 00 26.656386804   19.25       ~ 7 0
74 [VV2006] J230318.5-290120 QSO 23 03 18.4913753040 -29 01 19.674608664   19.57       ~ 7 0
75 [VV2006] J231931.7-302436 QSO 23 19 31.6923035784 -30 24 36.495780264   20.06       ~ 7 0
76 [VV2006] J231942.8-302629 QSO 23 19 42.7618278840 -30 26 29.555274336   19.38       ~ 7 0
77 [VV2006] J232603.5-293740 QSO 23 26 03.5360 -29 37 40.181   20.58       ~ 7 0
78 [VV2006] J232614.3-293721 QSO 23 26 14.2702372752 -29 37 21.909253512   19.13       ~ 7 0
79 QSO J2328-2716 QSO 23 28 00.6871797360 -27 16 55.315520652   20.58       ~ 7 0
80 QSO J2328-2717 QSO 23 28 04.3955670912 -27 17 12.694578072   20.44       ~ 7 0
81 [VV2006] J233100.5-283947 QSO 23 31 00.4859741568 -28 39 45.966485520     20.44     ~ 5 0
82 [VV2006] J233105.2-283813 QSO 23 31 05.1874952952 -28 38 14.155933704   20.61       ~ 6 0
83 QSO B2340+011 QSO 23 43 21.5172320544 +01 22 43.762588104   19.3 19.3     ~ 11 0
84 [VV96] J234324.1+011920 QSO 23 43 24.1352749488 +01 19 21.820617120   18.7 18.7     ~ 9 0
85 [VV2006] J235643.7-292329 QSO 23 56 43.6927 -29 23 29.286     20.78     ~ 5 0
86 [VV2006] J235644.5-292557 QSO 23 56 44.4922726056 -29 25 57.436700808     20.83     ~ 5 0

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