2018ApJS..237....5M

Query : 2018ApJS..237....5M

2018ApJS..237....5M - Astrophys. J., Suppl. Ser., 237, 5-5 (2018/July-0)

Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs). IV. Discovery of 41 quasars and luminous galaxies at 5.7 <= z <= 6.9.

MATSUOKA Y., IWASAWA K., ONOUE M., KASHIKAWA N., STRAUSS M.A., LEE C.-H., IMANISHI M., NAGAO T., AKIYAMA M., ASAMI N., BOSCH J., FURUSAWA H., GOTO T., GUNN J.E., HARIKANE Y., IKEDA H., IZUMI T., KAWAGUCHI T., KATO N., KIKUTA S., KOHNO K., KOMIYAMA Y., LUPTON R.H., MINEZAKI T., MIYAZAKI S., MOROKUMA T., MURAYAMA H., NIIDA M., NISHIZAWA A.J., OGURI M., ONO Y., OUCHI M., PRICE P.A., SAMESHIMA H., SCHULZE A., SHIRAKATA H., SILVERMAN J.D., SUGIYAMA N., TAIT P.J., TAKADA M., TAKATA T., TANAKA M., TANG J.-J., TOBA Y., UTSUMI Y., WANG S.-Y. and YAMASHITA T.

Abstract (from CDS):

We report the discovery of 41 new high-z quasars and luminous galaxies that were spectroscopically identified at 5.7 <= z <= 6.9. This is the fourth in a series of papers from the Subaru High-z Exploration of Low-Luminosity Quasars (SHELLQs) project, based on the deep multi-band imaging data collected by the Hyper Suprime-Cam (HSC) Subaru Strategic Program survey. We selected the photometric candidates using a Bayesian probabilistic algorithm and then carried out follow-up spectroscopy with the Gran Telescopio Canarias and the Subaru Telescope. Combined with the sample presented in the previous papers, we have now spectroscopically identified 137 extremely red HSC sources over about 650 deg2, which includes 64 high-z quasars, 24 high-z luminous galaxies, 6 [O III] emitters at z ∼ 0.8, and 43 Galactic cool dwarfs (low-mass stars and brown dwarfs). The new quasars span in luminosity range from M1450 ∼ -26 to -22 mag, and continue to populate luminosities a few magnitudes lower than have been probed by previous wide-field surveys. In a companion paper, we derive the quasar luminosity function at z ∼ 6 over an unprecedentedly wide range of M1450 ∼ -28 to -21 mag, exploiting the SHELLQs and other survey outcomes.

Abstract Copyright: © 2018. The American Astronomical Society. All rights reserved.

Journal keyword(s): dark ages, reionization, first stars - galaxies: active - galaxies: high-redshift - intergalactic medium - quasars: general - quasars: supermassive black holes

Nomenclature: Tables 2-6: [MOK2016b] HSC JHHMM+DDMM N=73.

Simbad objects: 93

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Number of rows : 93
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 J015431.69-011619.5 G 01 54 31.69 -01 16 19.5           ~ 1 0
2 [MOK2016b] HSC J015807.10-003332.1 LM* 01 58 07.10 -00 33 32.1           M5 1 0
3 [MOK2016b] HSC J020701.05-005225.0 BD* 02 07 01.05 -00 52 25.0           T2 1 0
4 CFHQS J021013-045620 QSO 02 10 13.190 -04 56 20.79           ~ 61 0
5 [MOK2016b] HSC J021144.53-020303.9 QSO 02 11 44.53 -02 03 03.9           ~ 6 0
6 [MOK2016b] HSC J021236.67-031517.6 G 02 12 36.67 -03 15 17.6           ~ 2 0
7 [MOK2016b] HSC J021249.46-053238.0 G 02 12 49.46 -05 32 38.0           ~ 2 0
8 [MOK2016b] HSC J021316.94-062615.2 QSO 02 13 16.94 -06 26 15.2           ~ 10 0
9 [MOK2016b] HSC J021350.82-033445.2 BD* 02 13 50.82 -03 34 45.2           T0 1 0
10 [MOK2016b] HSC J021617.18-020719.3 BD* 02 16 17.18 -02 07 19.3           L2 1 0
11 CFHQS J021627-045534 QSO 02 16 27.81000 -04 55 34.0997           ~ 27 0
12 [MOK2016b] HSC J021930.94-013207.2 G 02 19 30.94 -01 32 07.2           ~ 2 0
13 [MOK2016b] HSC J022029.72-043204.0 QSO 02 20 29.72 -04 32 04.0           ~ 6 0
14 [MOK2016b] HSC J022047.41-013450.6 BD* 02 20 47.41 -01 34 50.6           L2 1 0
15 [MOK2016b] HSC J022500.18-035146.8 LM* 02 25 00.18 -03 51 46.8           M7 1 0
16 CFHQS J022743-060530 QSO 02 27 43.29000 -06 05 30.1999           ~ 32 0
17 BD+52 913 WD* 05 05 30.6180977592 +52 49 51.919301604 10.25 11.44 11.69 11.93 12.108 DA.8 1153 0
18 HD 289002 * 06 45 13.3725491952 +02 08 14.685250596 10.06 10.62 10.44     B1 277 0
19 [MOK2016b] HSC J083400.88+021146.9 QSO 08 34 00.88 +02 11 46.9           ~ 8 0
20 SDSS J083643.85+005453.3 QSO 08 36 43.8598536120 +00 54 53.233681320   26.19 24.17     ~ 170 0
21 [MOK2016b] HSC J083717.18-000021.0 BD* 08 37 17.18 -00 00 21.0           L9 1 0
22 VIKING J083955.36+001554.2 QSO 08 39 55.356 +00 15 54.21           ~ 9 0
23 [MOK2016b] HSC J084408.61-013216.5 QSO 08 44 08.61 -01 32 16.5           ~ 10 0
24 [MOK2016b] HSC J084516.54-012321.6 G 08 45 16.54 -01 23 21.6           ~ 2 0
25 [MOK2016b] HSC J085609.10+024851.1 LM* 08 56 09.10 +02 48 51.1           M9 1 0
26 HSCS J085813+000057 QSO 08 58 13.52 +00 00 57.1           ~ 9 0
27 [MOK2016b] HSC J090018.40+042415.5 BD* 09 00 18.40 +04 24 15.5           L8 1 0
28 [MOK2016b] HSC J090222.31-003040.4 LM* 09 02 22.31 -00 30 40.4           M7 1 0
29 [MOK2016b] HSC J090650.82-020610.2 BD* 09 06 50.82 -02 06 10.2           L9 1 0
30 [MOK2016b] HSC J090655.10+043131.9 LM* 09 06 55.10 +04 31 31.9           M9 1 0
31 [MOK2016b] HSC J090921.50+044042.9 QSO 09 09 21.50 +04 40 42.9           ~ 6 0
32 [MOK2016b] HSC J091210.99-012102.9 LM* 09 12 10.99 -01 21 02.9           M7 1 0
33 [MOK2016b] HSC J091436.47+044231.7 G 09 14 36.47 +04 42 31.7           ~ 3 0
34 [MOK2016b] HSC J091545.02-005136.0 G 09 15 45.02 -00 51 36.0           ~ 2 0
35 HSCS J091700-005658 G 09 17 00.28 -00 56 58.1           ~ 3 0
36 HSCS J091833+013923 QSO 09 18 33.17 +01 39 23.4           ~ 9 0
37 QSO J0921+0007 QSO 09 21 20.56 +00 07 22.9           ~ 21 0
38 QSO J0923+0402 QSO 09 23 47.12 +04 02 54.4           ~ 26 0
39 [MOK2016b] HSC J095740.40+005333.7 QSO 09 57 40.40 +00 53 33.7           ~ 8 0
40 COSMOS2015 585845 G 10 00 12.46 +02 11 27.3 25.40 25.36 24.77 24.69 24.57 ~ 3 0
41 HSCS J100401+023930 QSO 10 04 01.37 +02 39 30.9           ~ 9 0
42 HSCS J100633+030005 G 10 06 33.53 +03 00 05.2           ~ 4 0
43 [MOK2016b] HSC J114632.66-015438.2 QSO 11 46 32.66 -01 54 38.2           ~ 7 0
44 [MOK2016b] HSC J114648.42+012420.1 QSO 11 46 48.42 +01 24 20.1           ~ 7 0
45 [MOK2016b] HSC J114658.89-000537.7 QSO 11 46 58.89 -00 05 37.7           ~ 10 0
46 VIKING J114833.18+005642.3 QSO 11 48 33.180 +00 56 42.26           ~ 7 0
47 HSCS J120923-000646 QSO 12 09 23.99 -00 06 46.5           ~ 7 0
48 HSCS J121516+002324 QSO 12 15 16.879 +00 23 24.74           ~ 9 0
49 DELS J121721.35+013142.5 QSO 12 17 21.350 +01 31 42.52           ~ 13 0
50 [MOK2016b] HSC J121905.34+005037.5 QSO 12 19 05.34 +00 50 37.5           ~ 7 0
51 GD 153 WD* 12 57 02.3224909560 +22 01 52.634778240 11.883 13.060 13.349 13.488 13.669 DA1.2 380 0
52 [MOK2016b] HSC J135945.00+013412.3 LM* 13 59 45.00 +01 34 12.3           M7 1 0
53 [MOK2016b] HSC J140015.38+010623.7 BD* 14 00 15.38 +01 06 23.7           T4 2 0
54 [MOK2016b] HSC J140028.80-001151.4 QSO 14 00 28.80 -00 11 51.4           ~ 7 0
55 [MOK2016b] HSC J140029.99-012521.0 QSO 14 00 29.99 -01 25 21.0           ~ 7 0
56 [MOK2016b] HSC J140629.13-011611.1 QSO 14 06 29.13 -01 16 11.1           ~ 9 0
57 [MOK2016b] HSC J140646.90-014402.5 QSO 14 06 46.90 -01 44 02.5           ~ 6 0
58 [MOK2016b] HSC J141532.20-011314.3 BD* 14 15 32.20 -01 13 14.3           L8 1 0
59 [MOK2016b] HSC J141653.01+014702.2 QSO 14 16 53.01 +01 47 02.2           ~ 6 0
60 [MOK2016b] HSC J142200.24+001103.1 QSO 14 22 00.24 +00 11 03.1           ~ 6 0
61 [MOK2016b] HSC J142824.71+015934.4 G 14 28 24.71 +01 59 34.4           ~ 3 0
62 [MOK2016b] HSC J143205.78+004531.7 LM* 14 32 05.78 +00 45 31.7           M8 1 0
63 [MOK2016b] HSC J143437.36-020416.7 BD* 14 34 37.36 -02 04 16.7           T1 1 0
64 [MOK2016b] HSC J143529.69+004035.3 BD* 14 35 29.69 +00 40 35.3           T1 1 0
65 [MOK2016b] HSC J154505.62+423211.6 QSO 15 45 05.62 +42 32 11.6           ~ 8 0
66 [MOK2016b] HSC J155000.93+431802.8 QSO 15 50 00.93 +43 18 02.8           ~ 6 0
67 SDSS J160253.98+422824.8 QSO 16 02 53.982 +42 28 24.86   24.32 24.32     ~ 75 0
68 [MOK2016b] HSC J160732.84+541724.5 LM* 16 07 32.84 +54 17 24.5           M4 1 0
69 HSCS J160952+551548 G 16 09 52.79 +55 15 48.5           ~ 4 0
70 [MOK2016b] HSC J162046.91+443839.7 LM* 16 20 46.91 +44 38 39.7           M5 1 0
71 Ross 640 WD* 16 28 25.0030896166 +36 46 15.846877416   14.01   13.9   DZ6 220 0
72 [MOK2016b] HSC J162948.12+423338.5 LM* 16 29 48.12 +42 33 38.5           M5 1 0
73 IMS J220417.92+011144.8 QSO 22 04 17.92 +01 11 44.8           ~ 12 0
74 HSCS J221027+030428 QSO 22 10 27.24 +03 04 28.5           ~ 9 0
75 QSO J2219+0102 QSO 22 19 17.22 +01 02 48.9           ~ 21 0
76 [MOK2016b] HSC J222309.51+032620.3 QSO 22 23 09.51 +03 26 20.3           ~ 7 0
77 [MOK2016b] HSC J222649.68+023754.0 G 22 26 49.68 +02 37 54.0           ~ 1 0
78 QSO J2228+0110 QSO 22 28 43.53840 +01 10 32.2000           ~ 36 0
79 [MOK2016b] HSC J223148.89-003547.5 QSO 22 31 48.89 -00 35 47.5           ~ 6 0
80 [MOK2016b] HSC J223612.42+000632.6 BD* 22 36 12.42 +00 06 32.6           T0 1 0
81 [MOK2016b] HSC J223953.43-004802.6 LM* 22 39 53.43 -00 48 02.6           M6 1 0
82 CFHQS J224237+033421 QSO 22 42 37.54800 +03 34 21.5998           ~ 17 0
83 [MOK2016b] HSC J224834.69+010312.2 BD* 22 48 34.69 +01 03 12.2           L2 1 0
84 HSCS J225205+022531 QSO 22 52 05.44 +02 25 31.9           ~ 8 0
85 [MOK2016b] HSC J225357.80-011705.3 BD* 22 53 57.80 -01 17 05.3           T7 1 0
86 [MOK2016b] HSC J225538.04+025126.6 QSO 22 55 38.04 +02 51 26.6           ~ 14 0
87 HSCS J230422+004505 QSO 23 04 22.97 +00 45 05.4           ~ 9 0
88 [MOK2016b] HSC J230505.75-005132.6 BD* 23 05 05.75 -00 51 32.6           T0 1 0
89 SDSS J230735.35+003149.4 QSO 23 07 35.35 +00 31 49.4           ~ 20 0
90 [MOK2016b] HSC J231142.86-005020.7 G 23 11 42.86 -00 50 20.7           ~ 2 0
91 [MOK2016b] HSC J231514.06-004101.1 BD* 23 15 14.06 -00 41 01.1           T1 1 0
92 SDSS J231546.58-002357.8 QSO 23 15 46.585 -00 23 57.87           ~ 43 0
93 Feige 110 HS* 23 19 58.3996844256 -05 09 56.171142864 10.360 11.45 11.50 11.970 12.145 sdO8VIIIHe5 673 1

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