J/ApJS/268/24 SILVERRUSH. XIII. z=2-7 LAEs from Subaru HSC (Kikuta+, 2023)
SILVERRUSH.
XIII. A catalog of 20567 Lyα emitters at z=2-7 identified in the
full-depth data of the Subaru/HSC-SSP and CHORUS surveys.
Kikuta S., Ouchi M., Shibuya T., Liang Y., Umeda H., Matsumoto A.,
Shimasaku K., Harikane Y., Ono Y., Inoue A.K., Yamanaka S., Kusakabe H.,
Momose R., Kashikawa N., Matsuda Y., Lee C.-H.
<Astrophys. J. Suppl. Ser., 268, 24 (2023)>
=2023ApJS..268...24K 2023ApJS..268...24K
ADC_Keywords: Active gal. nuclei; Galaxies; Redshifts; Surveys;
Photometry, ugriz
Keywords: Lyman-alpha galaxies ; High-redshift galaxies ; Galaxy evolution ;
Galaxy formation ; Catalogs
Abstract:
We present 20567 Lyα emitters (LAEs) at z=2.2-7.3 that are
photometrically identified by the SILVERRUSH program in a large survey
area up to 25deg2 with deep images of five broadband filters (grizy)
and seven narrowband filters targeting Lyα lines at z=2.2, 3.3,
4.9, 5.7, 6.6, 7.0, and 7.3 taken by the Hyper Suprime-Cam Subaru
Strategic Program and the Cosmic HydrOgen Reionization Unveiled with
Subaru survey. We select secure >5σ sources showing narrowband
color excesses via Lyα break screening, taking into account the
spatial inhomogeneity of limiting magnitudes. After removing spurious
sources by careful masking and visual inspection of coadded and
multiepoch images obtained over the 7yr of the surveys, we construct
LAE samples consisting of 6995, 4641, 726, 6124, 2058, 18, and 5 LAEs
at z=2.2, 3.3, 4.9, 5.7, 6.6, 7.0, and 7.3, respectively, although the
z=7.3 candidates are tentative. Our LAE catalogs contain
289 spectroscopically confirmed LAEs at the expected redshifts from
previous work. We demonstrate that the number counts of our LAEs are
consistent with previous studies with similar LAE selection criteria.
Description:
We combine the data products from the Hyper Suprime-Cam Subaru
survey (HSC-SSP) S21A internal release with data obtained from the
CHORUS project (Inoue+ 2020PASJ...72..101I 2020PASJ...72..101I).
HSC-SSP is a three-tiered imaging survey consisting of the wide, deep
(D), and ultradeep (UD) layers. In this study, we use data from the D
and UD layers, which include observations with NB filters (NB387,
NB816, and NB921) in addition to five BB filters (grizy). The D layer
covers four separate fields: D-COSMOS, D-DEEP23, D-ELAISN1, and
D-SXDS. The UD layer covers two areas in two fields in the D layer:
UD-COSMOS and UD-SXDS.
The CHORUS project is a deep HSC imaging survey that targets the
UD-COSMOS field with four custom-made NB filters and one
intermediate-band filter (NB387, NB527, NB718, NB973, and IB945),
although the IB945 intermediate filter is not used in this work.
File Summary:
--------------------------------------------------------------------------------
FileName Lrecl Records Explanations
--------------------------------------------------------------------------------
ReadMe 80 . This file
table4.dat 126 289 List of objects with spectroscopic confirmation
in our LAE catalogs
table5.dat 108 54 List of lower redshift objects in our LAE catalogs
--------------------------------------------------------------------------------
See also:
VII/289 : SDSS quasar catalog, sixteenth data release (DR16Q) (Lyke+, 2020)
J/ApJS/176/301 : Subaru/XMM-Newton deep survey IV. (SXDS) (Ouchi+, 2008)
J/ApJS/184/218 : The zCOSMOS 10k-bright spectroscopic sample (Lilly+, 2009)
J/ApJ/760/128 : Lyα em. from 4<z<6 sources in COSMOS (Mallery+, 2012)
J/ApJ/755/169 : 3<z<5 QSO luminosity function in the COSMOS (Masters+, 2012)
J/A+A/559/A14 : VIMOS VLT Deep Survey final data release (Le Fevre+, 2013)
J/ApJ/768/105 : z∼5 QSO LF from SDSS Stripe 82 (McGreer+, 2013)
J/MNRAS/452/2087 : Galaxy And Mass Assembly (GAMA): DR2 (Liske+, 2015)
J/ApJS/227/11 : PS1 z>5.6 quasars follow-up (Banados+, 2016)
J/ApJS/225/27 : 3D-HST Survey: grism sp. master catalog (Momcheva+, 2016)
J/ApJ/826/114 : z∼3-6 protocl. in the CFHTLS deep fields (Toshikawa+, 2016)
J/ApJ/819/24 : z>4.5 QSOs with SDSS and WISE. I. Opt. spectra (Wang+, 2016)
J/A+A/608/A8 : MUSE Hubble Ultra Deep Field Survey. VIII (Leclercq+, 2017)
J/ApJ/841/111 : C3R2 survey: high-confidence z from DR1 (Masters+, 2017)
J/A+A/600/A110 : VIMOS Ultra Deep Survey (VUDS) DR1 (Tasca+, 2017)
J/ApJ/858/77 : DEIMOS 10K sp. survey in COSMOS field (Hasinger+, 2018)
J/ApJS/237/31 : CLAMATO DR1: 3D Lyα forest tomography (Lee+, 2018)
J/PASJ/70/S10 : GOLDRUSH I. UV magnitudes (Ono+, 2018)
J/A+A/609/A84 : VIPERS spectroscopic redshifts (PDR-2) (Scodeggio+, 2018)
J/MNRAS/477/2817 : Luminous Lyα emitters at z∼2-3 (Sobral+, 2018)
J/MNRAS/483/3060 : Cand. massive galaxies at z∼4 in the DES (Guarnieri+, 2019)
J/ApJ/877/81 : The C3R2 survey: DR2 new sp. redshifts (Masters+, 2019)
J/ApJ/903/4 : Lyα Emitters at Redshift z∼5.7 with M2FS (Ning+, 2020)
J/ApJ/911/78 : SILVERRUSH. X. LAE gal. & AGN from HSC (Ono+, 2021)
J/A+A/670/A4 : MUSE Hubble Ultra Deep Field surveys. DR2 (Bacon+, 2023)
http://hsc.mtk.nao.ac.jp/ssp/ : HSC SSP home page
Byte-by-byte Description of file: table4.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 A3 --- --- [HSC]
5- 18 A14 --- HSC Hyper Suprime-Cam position-based Object
identifier (JHHMMSS+DDMMSS)
20- 21 I2 h RAh Hour of Right Ascension (J2000)
23- 24 I2 min RAm Minute of Right Ascension (J2000)
26- 30 F5.2 s RAs Second of Right Ascension (J2000)
32 A1 --- DE- Sign of the Declination (J2000)
33- 34 I2 deg DEd Degree of Declination (J2000)
36- 37 I2 arcmin DEm Arcminute of Declination (J2000)
39- 42 F4.1 arcsec DEs Arcsecond of Declination (J2000)
44- 48 F5.3 --- zsp [2.1/7] Spectroscopic redshift
50- 53 F4.1 mag gmag [19.7/30]?=99 Subaru/HSC g-band apparent
magnitude in 2" aperture
55- 58 F4.1 mag rmag [19.7/30]?=99 Subaru/HSC r-band apparent
magnitude in 2" aperture
60- 63 F4.1 mag imag [19.6/29.8]?=99 Subaru/HSC i-band apparent
magnitude in 2" aperture
65- 68 F4.1 mag zmag [19.4/29.7]?=99 Subaru/HSC z-band apparent
magnitude in 2" aperture
70- 73 F4.1 mag ymag [19.5/29.7]?=99 Subaru/HSC y-band apparent
magnitude in 2" aperture
75- 78 F4.1 mag NBmag [18.8/26.1] Subaru/HSC narrowband apparent
magnitude in 2" aperture
80- 84 A5 --- NBSet Narrowband detection sample
86- 97 A12 --- Feature Notable features, if any (LAB=Lyα blob)
99- 126 A28 --- r_zsp Reference for spectroscopic redshifts (G1)
--------------------------------------------------------------------------------
Byte-by-byte Description of file: table5.dat
--------------------------------------------------------------------------------
Bytes Format Units Label Explanations
--------------------------------------------------------------------------------
1- 3 A3 --- --- [HSC]
5- 18 A14 --- HSC Hyper Suprime-Cam position-based Object ID
20 A1 --- f_HSC Flag on HSC, a=duplicated, but with different
redshift estimates
22- 23 I2 h RAh Hour of Right Ascension (J2000)
25- 26 I2 min RAm Minute of Right Ascension (J2000)
28- 32 F5.2 s RAs Second of Right Ascension (J2000)
34 A1 --- DE- Sign of the Declination (J2000)
35- 36 I2 deg DEd Degree of Declination (J2000)
38- 39 I2 arcmin DEm Arcminute of Declination (J2000)
41- 44 F4.1 arcsec DEs Arcsecond of Declination (J2000)
46- 50 F5.3 --- zsp [0/2.5] Spectroscopic redshift
52- 55 F4.1 mag gmag [19/26] Subaru/HSC g-band apparent magnitude in
2" aperture
57- 60 F4.1 mag rmag [19/26] Subaru/HSC r-band apparent magnitude in
2" aperture
62- 65 F4.1 mag imag [19/26] Subaru/HSC i-band apparent magnitude in
2" aperture
67- 70 F4.1 mag zmag [19.2/26.1] Subaru/HSC z-band apparent
magnitude in 2" aperture
72- 75 F4.1 mag ymag [19.3/26] Subaru/HSC y-band apparent magnitude
in 2" aperture
77- 80 F4.1 mag NBmag [18.5/24.8] Subaru/HSC narrowband apparent
magnitude in 2" aperture
82- 86 A5 --- NBSet Narrowband detection sample
88- 91 A4 --- OT Notable features, if any ("AGN" or "STAR")
93- 108 A16 --- r_zsp Reference for spectroscopic redshifts (G1)
--------------------------------------------------------------------------------
Global notes:
Note (G1): Reference for spectroscopic redshifts as follows:
Co11 = Coil et al. (2011ApJ...741....8C 2011ApJ...741....8C)
Ha18 = Harikane et al. (2018ApJ...859...84H 2018ApJ...859...84H)
Ha19 = Harikane et al. (2019ApJ...883..142H 2019ApJ...883..142H),
see also Higuchi+ (2019ApJ...879...28H 2019ApJ...879...28H)
Has18 = Hasinger et al. (2018, J/ApJ/858/77)
Hu17 = Hu et al. (2017ApJ...845L..16H 2017ApJ...845L..16H)
Ji17 = Jiang et al. (2017ApJ...846..134J 2017ApJ...846..134J)
Ji18 = Jiang et al. (2018NatAs...2..962J 2018NatAs...2..962J)
Ka19 = Kashino et al. (2019ApJS..241...10K 2019ApJS..241...10K)
Kr15 = Kriek et al. (2015ApJS..218...15K 2015ApJS..218...15K)
Le13 = Le Fevre et al. (2013, J/A+A/559/A14)
Li09 = Lilly et al. (2009, J/ApJS/184/218)
Li15 = Liske et al. (2015, J/MNRAS/452/2087)
Ly20 = Lyke et al. (2020ApJS..250....8L 2020ApJS..250....8L ; Cat. VII/289 - SDSS DR16Q)
Ma12 = Mallery et al. (2012, J/ApJ/760/128)
Mas12 = Masters et al. (2012, J/ApJ/755/169)
Mo16 = Momcheva et al. (2016, J/ApJS/225/27)
Ni20 = Ning et al. (2020, J/ApJ/903/4)
Ni22 = Ning et al. (2022ApJ...926..230N 2022ApJ...926..230N)
On21 = Ono et al. (2021, J/ApJ/911/78)
Ou08 = Ouchi et al. (2008ApJS..176..301O 2008ApJS..176..301O)
Ou10 = Ouchi et al. (2010ApJ...723..869O 2010ApJ...723..869O)
Sc18 = Scodeggio et al. (2018, J/A+A/609/A84)
Sh14 = Shibuya et al. (2014ApJ...785...64S 2014ApJ...785...64S)
Sh18a = Shibuya et al. (2018PASJ...70S..14S 2018PASJ...70S..14S)
Sh18b = Shibuya et al. (2018PASJ...70S..15S 2018PASJ...70S..15S)
So15 = Sobral et al. (2015ApJ...808..139S 2015ApJ...808..139S)
Ta17 = Tasca et al. (2017, J/A+A/600/A110)
--------------------------------------------------------------------------------
History:
From electronic version of the journal
References:
Ouchi et al. Paper I. 2018PASJ...70S..13O 2018PASJ...70S..13O
Shibuya et al. Paper II. 2018PASJ...70S..14S 2018PASJ...70S..14S
Shibuya et al. Paper III. 2018PASJ...70S..15S 2018PASJ...70S..15S
Kono et al. Paper IV. 2018PASJ...70S..16K 2018PASJ...70S..16K
Harikane et al. Paper V. 2018ApJ...859...84H 2018ApJ...859...84H
Inoue et al. Paper VI. 2018PASJ...70...55I 2018PASJ...70...55I
Higuchi et al. Paper VII. 2019ApJ...879...28H 2019ApJ...879...28H
Harikane et al. Paper VIII. 2019ApJ...883..142H 2019ApJ...883..142H
Kakuma et al. Paper IX. 2021ApJ...916...22K 2021ApJ...916...22K
Ono et al. Paper X. 2021ApJ...911...78O 2021ApJ...911...78O Cat. J/ApJ/911/78
Goto et al. Paper XI. 2021ApJ...923..229G 2021ApJ...923..229G
Kikuchihara et al. Paper XII. 2022ApJ...931...97K 2022ApJ...931...97K
Kikuta et al. Paper XIII. 2023ApJS..268...24K 2023ApJS..268...24K This catalog
(End) Prepared by [AAS], Emmanuelle Perret [CDS] 27-Nov-2023