Table A.1: Candidate H$\alpha $ emitters with EW0 > 25 Å and $\Sigma > 2$.
ID Coordinates K EW0 $\Sigma $ $F_{\rm H\alpha}$
(1) (2) (3) (4) (5) (6)
5 11 40 48.4 -26 30 30.6 20.3 89.6 4.4 6.5
a29 11 40 46.5 -26 30 14.1 17.7 25.4 15.9 21.3
79 11 40 52.6 -26 30 01.0 20.9 120.2 5.2 4.8
117 11 40 51.6 -26 29 45.9 21.3 73.5 3.0 2.1
131 11 40 51.3 -26 29 38.7 19.3 56.5 9.5 10.9
132 11 40 42.4 -26 29 42.6 19.9 45.8 4.2 5.1
144 11 40 43.5 -26 29 37.4 21.5 246.5 6.2 5.1
145 11 40 57.4 -26 29 37.5 20.3 60.9 3.4 4.4
152 11 40 46.9 -26 29 37.1 23.0 577.2 4.1 2.3
154 11 40 50.7 -26 29 33.7 20.3 47.0 3.4 3.5
155 11 40 57.8 -26 29 35.7 20.1 30.1 2.1 2.7
158 11 40 57.6 -26 29 35.4 21.1 56.9 2.3 2.0
167 11 40 49.8 -26 29 30.5 23.0 278.4 2.2 1.4
176 11 40 46.4 -26 29 26.9 20.1 43.4 3.0 4.0
183 11 40 46.2 -26 29 24.9 20.4 165.0 12.9 10.0
192 11 40 46.3 -26 29 24.4 19.7 26.9 3.2 3.6
b199 11 40 48.4 -26 29 08.9 16.1 63.9 110.2 221.9
207 11 40 50.2 -26 29 21.0 21.0 95.1 3.0 3.5
210 11 40 50.6 -26 29 21.4 22.6 139.5 2.4 1.2
211 11 40 53.7 -26 29 20.0 22.0 64.1 2.0 1.0
212 11 40 45.8 -26 29 18.9 21.7 155.2 3.6 2.9
c215 11 40 46.0 -26 29 16.9 18.7 99.9 36.3 31.5
229 11 40 46.1 -26 29 11.5 19.1 61.0 11.2 13.5
b269 11 40 48.1 -26 29 11.6 20.5 167.3 6.5 9.5
b272 11 40 48.0 -26 29 06.5 19.9 38.1 4.3 4.3
279 11 40 44.1 -26 29 05.8 22.6 263.7 2.8 2.0
284 11 40 45.6 -26 29 02.4 22.4 126.4 2.4 1.3
293 11 40 58.6 -26 28 59.6 21.2 115.8 2.9 3.7
310 11 40 53.6 -26 28 55.2 21.8 84.5 2.0 1.5
318 11 40 49.7 -26 28 49.4 23.0 257.8 2.1 1.3
329 11 40 46.9 -26 28 41.4 23.0 2222.2 4.8 4.1
356 11 40 44.9 -26 28 41.1 22.2 81.0 2.0 1.0
375 11 40 52.1 -26 28 32.8 22.3 233.7 2.7 2.3
380 11 40 55.2 -26 28 28.3 22.9 547.1 3.0 2.5
388 11 40 56.4 -26 28 24.1 21.3 100.0 3.8 2.7
394 11 40 54.6 -26 28 24.1 19.8 32.1 3.3 3.8
431 11 40 54.8 -26 28 04.0 20.9 60.6 2.3 2.5
437 11 40 54.8 -26 28 03.2 21.1 71.2 2.4 2.6
457 11 40 59.2 -26 27 56.6 20.9 137.4 8.4 5.3
477 11 41 01.5 -26 27 37.6 21.0 154.1 3.5 5.3
Notes: (1) Catalog number; (2) right ascension and declination in J2000 coordinates; (3) K band magnitude; (4) rest frame equivalent width; (5) significance of excess flux; (6) continuum subtracted narrow band flux in 10-17 erg cm -2s-1. Notes to individual objects: a Magnitude and morphology indicate that this object is a low redshift interloper, b Inside Ly$\alpha $ halo of PKS 1138-262, c QSO (see Sect. 5.4).


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