Multifrequency filter search for high redshift sources and lensing systems in Herschel-ATLAS

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Table 1.

32 sources used to test the matched multifilter (MMF) method which includes a combination of sources from Pearson et al. (2013), Negrello et al. (2017) and Bakx et al. (2018).

H-ATLAS name	α (deg)	δ (deg)	z_spec	S_SPIRE (mJy)			z_MMF		S_MMF (mJy)
				250 μm	350 μm	500 μm			250 μm	350 μm	500 μm
GAMA-9
H-ATLAS J083051.0+013225	127.71268	1.54028	3.634^b	249 ± 7	305 ± 8	269 ± 9	3.15 ± 1.05	3.15 ± 0.34	230 ± 5	288 ± 7	265 ± 6
H-ATLAS J085358.9+015537	133.49574	1.92712	2.091^a	396 ± 8	368 ± 8	228 ± 9	2.05 ± 0.22	2.09 ± 0.28	365 ± 7	361 ± 7	243 ± 5
H-ATLAS J091043.1−000321	137.67949	−0.0562	1.784^a	421 ± 7	371 ± 7	221 ± 8	1.79 ± 0.17	1.83 ± 0.28	388 ± 7	354 ± 6	218 ± 4
H-ATLAS J090302.9−014127	135.76235	−1.69088	2.308^a	354 ± 7	339 ± 8	220 ± 9	2.10 ± 0.24	2.14 ± 0.29	313 ± 6	314 ± 7	215 ± 4
H-ATLAS J090740.0−004200	136.91691	−0.70018	1.577^a	478 ± 7	328 ± 8	171 ± 9	1.20 ± 0.07	1.24 ± 0.26	450 ± 8	325 ± 6	160 ± 3
H-ATLAS J090311.6+003906	135.79868	0.65206	3.037^a	133 ± 7	186 ± 8	165 ± 9	3.17 ± 0.34	3.17 ± 0.34	139 ± 5	174 ± 6	162 ± 6
H-ATLAS J091305.0−005343	138.27077	−0.89563	2.626^a	118 ± 6	137 ± 7	104 ± 8	2.50 ± 0.47	2.53 ± 0.30	123 ± 5	136 ± 6	105 ± 4
H-ATLAS J084933.4+021443	132.38934	2.24526	2.410^a	217 ± 8	249 ± 8	209 ± 9	2.35 ± 0.47	2.39 ± 0.30	201 ± 6	216 ± 7	160 ± 5
H-ATLAS J091840.8+023047	139.67015	2.51348	2.581^a	126 ± 7	151 ± 8	128 ± 9	2.94 ± 2.14	2.95 ± 0.33	109 ± 6	132 ± 7	116 ± 6
GAMA-12
H-ATLAS J114637.9−001132	176.65816	−0.19226	3.259^a	316 ± 7	358 ± 7	292 ± 8	2.53 ± 0.36	2.56 ± 0.31	289 ± 6	322 ± 6	252 ± 5
H-ATLAS J114023.0−001043	175.09587	−0.17810	0.844^a	68 ± 7	40 ± 8	20 ± 9	0.78 ± 0.19	0.82 ± 0.27	64 ± 8	38 ± 5	16 ± 2
H-ATLAS J115820.2−013753	179.58398	−1.6313	2.191^a	120 ± 7	124 ± 8	101 ± 8	2.40 ± 0.93	2.44 ± 0.30	94 ± 7	102 ± 7	77 ± 5
H-ATLAS J113243.0−005108	173.17953	−0.85248	2.578^a	68 ± 7	106 ± 8	100 ± 9	3.69 ± 2.90	3.64 ± 0.36	59 ± 4	81 ± 6	83 ± 6
H-ATLAS J113526.3−014605	173.85958	−1.76854	3.128^a	279 ± 7	283 ± 8	204 ± 9	2.21 ± 0.51	2.25 ± 0.29	260 ± 6	269 ± 6	191 ± 5
GAMA-15
H-ATLAS J142935.3−002836	217.39717	−0.47682	1.026^a	801 ± 7	438 ± 7	200 ± 8	0.59 ± 0.01	0.63 ± 0.28	769 ± 7	413 ± 4	161 ± 2
H-ATLAS J142413.9+022303	216.0582	2.38424	4.243^a	112 ± 7	182 ± 8	193 ± 8	4.04 ± 0.76	3.94 ± 0.38	117 ± 4	169 ± 6	186 ± 7
H-ATLAS J141351.9−000026	213.46663	−0.00745	2.478^a	189 ± 7	217 ± 8	176 ± 9	2.70 ± 0.65	2.73 ± 0.31	166 ± 5	192 ± 6	158 ± 5
H-ATLAS J141148.9−011439	212.95392	−1.24429	0.857^a	61 ± 7	44 ± 8	17 ± 9	1.11 ± 0.57	1.15 ± 0.26	53 ± 12	37 ± 9	17 ± 4
NGP
H-ATLAS J134429.4+303034	206.12285	30.50948	2.301^b	462 ± 8	466 ± 9	343 ± 9	2.25 ± 0.18	2.29 ± 0.29	443 ± 6	463 ± 7	332 ± 5
H-ATLAS J132630.1+334407	201.6255	33.73548	2.951^b	191 ± 7	281 ± 8	279 ± 9	4.04 ± 0.52	3.94 ± 0.38	171 ± 4	247 ± 6	270 ± 7
H-ATLAS J125632.4+233627	194.13524	23.60758	3.565^b	209 ± 7	288 ± 8	264 ± 9	3.41 ± 8	3.39 ± 0.35	201 ± 5	261 ± 7	256 ± 6
H-ATLAS J132427.0+284449	201.11257	28.74716	1.676^b	342 ± 7	371 ± 8	251 ± 9	2.23 ± 0.22	2.27 ± 0.29	329 ± 7	342 ± 7	244 ± 5
H-ATLAS J125135.3+261457	192.89721	26.24942	3.675^b	158 ± 8	202 ± 8	207 ± 9	4.47 ± 0.44	4.30 ± 0.39	112 ± 4	177 ± 6	206 ± 6
H-ATLAS J133008.5+245900	202.53579	24.98334	3.111^b	271 ± 7	278 ± 8	203 ± 8	2.29 ± 0.31	2.33 ± 0.29	255 ± 6	269 ± 7	196 ± 5
H-ATLAS J133649.9+291800	204.20819	29.3	2.202^b	294 ± 7	286 ± 8	194 ± 8	1.79 ± 0.17	1.83 ± 0.27	291 ± 7	265 ± 6	162 ± 4
H-ATLAS J133542.9+300401	203.92905	30.06709	2.685^b	137 ± 7	146 ± 8	125 ± 8	2.21 ± 0.60	2.25 ± 0.29	130 ± 6	134 ± 7	95 ± 5
H-ATLAS J132859.2+292327	202.2468	29.39074	2.778^b	268 ± 7	296 ± 7	249 ± 8	2.83 ± 0.44	2.85 ± 0.32	233 ± 5	275 ± 6	234 ± 5
H-ATLAS J125652.5+275900	194.21857	27.98339	2.79^c	134 ± 8	164 ± 8	132 ± 9	2.76 ± 0.66	2.78 ± 0.32	129 ± 5	151 ± 6	126 ± 5
H-ATLAS J130118.0+253708	195.32517	25.61902	4.04^c	60 ± 7	101 ± 8	102 ± 8	3.87 ± 2.23	3.79 ± 0.37	57 ± 4	80 ± 5	85 ± 6
H-ATLAS J132301.7+341649	200.75701	34.28036	2.19^c	124 ± 7	145 ± 8	137 ± 9	3.35 ± 9	3.33 ± 0.35	102 ± 5	131 ± 6	127 ± 6
H-ATLAS J132504.4+311534	201.26821	31.25951	1.84^c	241 ± 7	227 ± 8	165 ± 9	1.79 ± 0.21	1.83 ± 0.27	233 ± 8	212 ± 7	130 ± 4
H-ATLAS J133846.5+255055	204.69389	25.84855	2.34^c	159 ± 8	183 ± 8	138 ± 9	2.42 ± 0.61	2.46 ± 0.30	151 ± 7	165 ± 7	125 ± 5

μ_1/2							−0.017	−0.003
μ							0.004	0.009
σ							0.143	0.138

Notes. For each source the following information is provided: measured spectroscopic redshift, Herschel/SPIRE fluxes as tabulated in the H-ATLAS catalog (S_SPIRE), our redshift estimate before (z_MMF) and after () bias correction, and the MMF flux densities. The statistical parameters μ, μ_1/2 and σ at the bottom of the table are the mean, median and rms scatter of the quantity Δz/(1 + z_spec) for the corresponding photometric redshift.

References. ^(a)Pearson et al. (2013), ^(b)Negrello et al. (2017), ^(c)Bakx et al. (2018).

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