2003AJ....126.2091A

Query : 2003AJ....126.2091A

2003AJ....126.2091A - Astron. J., 126, 2091-2107 (2003/November-0)

A SUBARU search for Lyα emitters at redshift 5.7.

AJIKI M., TANIGUCHI Y., FUJITA S.S., SHIOYA Y., NAGAO T., MURAYAMA T., YAMADA S., UMEDA K. and KOMIYAMA Y.

Abstract (from CDS):

We present the results of a survey for Lyα emitters at z~5.7 based on optical narrowband (λc=8150 Å and Δλ=120 Å) and broadband (B, RC, IC, and z') observations of the field surrounding the high-redshift quasar SDSSp J104433.04-012522.2 with the 8.2 m Subaru Telescope using the Subaru prime-focus camera, Suprime-Cam. This survey covers a sky area of ~720 arcmin2 and a comoving volume of ≃2x105 h–30.7Mpc3. We have found 20 candidate Lyα emitters at z~5.7 with Δz~0.1. Two of them have been confirmed as star-forming galaxies at z=5.655 and z=5.687 from our follow-up optical spectroscopy. We discuss the star formation properties of the 20 objects from a statistical point of view. Our survey leads to a new estimate of the star formation rate density at z~5.7, ∼1.2x10–3 h0.7M☉yr–1 Mpc–3.

Abstract Copyright: ∼

Journal keyword(s): Cosmology: Observations - Cosmology: Early Universe - Galaxies: Evolution - Galaxies: Formation

Nomenclature: Table 2: [ATF2003] NN (Nos 1-20).

CDS comments: In the abstract SDSS J104433.04-012522.2 is a misprint for SDSS J104433.04-012502.2.

Simbad objects: 26

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Number of rows : 26
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 GD 50 WD* 03 48 50.1859724280 -00 58 32.290187664 12.596 13.787 14.063 14.210 14.388 DA1.2 272 1
2 SA 101- reg 09 57 28.2 -00 19 39           ~ 74 0
3 GD 108 HS* 10 00 47.2462375824 -07 33 30.773994012 12.406 13.349 13.563 13.662 13.781 sdB 150 1
4 PG 1034+001 HS* 10 37 03.8002625256 -00 08 19.118365188 11.589 12.863 13.228 13.383 13.587 sdB/sdO 131 0
5 [ATF2003] LAE 1 EmG 10 43 31.9 -01 14 46           ~ 1 0
6 [ATF2003] LAE 2 EmG 10 43 38.6 -01 14 06           ~ 1 0
7 [ATF2003] LAE 3 EmG 10 43 43.0 -01 27 43           ~ 1 0
8 [ATF2003] LAE 4 EmG 10 43 44.4 -01 15 59           ~ 1 0
9 [ATF2003] LAE 5 EmG 10 43 44.5 -01 24 31           ~ 1 0
10 [ATF2003] LAE 6 EmG 10 43 45.6 -01 43 20           ~ 1 0
11 [ATF2003] LAE 7 EmG 10 43 48.3 -01 23 20           ~ 2 0
12 [ATF2003] LAE 8 EmG 10 43 53.0 -01 36 12           ~ 1 0
13 [ATF2003] LAE 9 EmG 10 43 55.0 -01 21 48           ~ 1 0
14 [ATF2003] LAE 10 EmG 10 43 55.3 -01 28 47           ~ 1 0
15 [ATF2003] LAE 11 EmG 10 43 55.4 -01 13 29           ~ 1 0
16 [ATF2003] LAE 12 EmG 10 43 55.5 -01 14 18           ~ 2 0
17 [ATF2003] LAE 13 EmG 10 43 59.0 -01 16 27           ~ 2 0
18 [ATF2003] LAE 14 EmG 10 44 08.5 -01 24 35           ~ 1 0
19 [ATF2003] LAE 15 EmG 10 44 10.2 -01 16 18           ~ 1 0
20 [ATF2003] LAE 16 EmG 10 44 11.3 -01 25 12           ~ 1 0
21 [ATF2003] LAE 17 EmG 10 44 27 -01 23.7           ~ 2 0
22 SDSS J104433.04-012502.0 QSO 10 44 33.040 -01 25 02.08     21.81     ~ 182 1
23 [ATF2003] LAE 18 EmG 10 44 37 -01 30.6           ~ 6 0
24 [ATF2003] LAE 19 EmG 10 44 41.4 -01 38 30           ~ 1 0
25 [ATF2003] LAE 20 EmG 10 44 52.9 -01 39 14           ~ 1 0
26 SDSS J114816.64+525150.3 QSO 11 48 16.647 +52 51 50.31   25.73 25.04     ~ 487 0

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