Table 1
All GRBs with a spectroscopic or photometric redshift estimate of z ≥ 4 (until the 1 of January 2017).
| GRB | Right Ascension | Declination | Error | Redshift | Ref. | T 90 | E B−V | N H | T GROND |
| (yymmdd#) | (J2000) | (J2000) | (z) | (s) | (mag) | (1021 cm-2) | (h) | ||
|
|
|||||||||
| GRBs with z> 4 observed with GROND | |||||||||
| 071025 | +23:40:17.11 | +31:46:42.74 | 0.̋20 |
|
(1) | 109 ± 2 | 0.06 | 0.55 | 21.69 |
| 080825B | +13:56:48.29 | −68:57:18.57 | 0.̋25 |
|
(2) | 50 | 0.21 | 2.09 | 6.64 |
| 080913 | +04:22:54.73 | −25:07:45.98 | 0.̋31 | 6.733 | (3) | 8 ± 1 | 0.04 | 0.33 | 0.10 |
| 080916C | +07:59:23.32 | −56:38:17.92 | 0.̋37 |
|
(1) | ~ 60 | 0.28 | 1.50 | 31.74 |
| 090205 | +14:43:38.68 | −27:51:10.10 | 0.̋30 | 4.650 | (4) | 8.8 ± 1.8 | 0.10 | 0.80 | 6.39 |
| 090423 | +09:55:33.27 | +18:08:58.06 | 0.̋29 | 8.26 | (5) | 10.3 ± 1.1 | 0.03 | 0.29 | 15.29 |
| 090429B | +14:02:40.10 | +32:10:14.20 | 0.̋30 |
|
(6) | 5.5 ± 1.0 | 0.01 | 0.12 | 21.72 |
| 090516 | +09:13:02.60 | −11:51:14.90 | 0.̋30 | 4.109 | (7) | 210 ± 65 | 0.04 | 0.45 | 14.60 |
| 100219A | +10:16:48.51 | −12:34:00.50 | 0.̋29 | 4.667 | (8) | 18.8 ± 5.0 | 0.07 | 0.65 | 9.20 |
| 100905A | +02:06:12.04 | +14:55:45.80 | 0.̋31 |
|
(1) | 3.4 ± 0.5 | 0.05 | 0.54 | 16.02 |
| 111008A | +04:01:48.24 | −32:42:32.87 | 0.̋29 | 4.990 | (9) | 63.46 ± 2.19 | 0.01 | 0.10 | 6.43 |
| 120712A | +11:18:21.24 | −20:02:01.41 | 0.̋30 | 4.175 | (10) | 14.7 ± 3.3 | 0.04 | 0.36 | 9.25 |
| 120923A | +20:15:10.78 | +06:13:16.30 | 0.̋30 | 7.84 | (11) | 27.2 ± 3.0 | 0.13 | 0.98 | 18.95 |
| 130606A | +16:37:35.13 | +29:47:46.61 | 0.̋20 | 5.913 | (12) | 276.58 ± 19.31 | 0.02 | 0.20 | 6.43 |
| 131117A | +22:09:19.37 | −31:45:44.22 | 0.̋40 | 4.042 | (13) | 11.00 ± 3.16 | 0.02 | 0.15 | 0.05 |
| 140311A | +13:57:13.27 | +00:38:32.11 | 0.̋14 | 4.954 | (14) | 71.4 ± 9.5 | 0.03 | 0.25 | 11.72 |
| 140428A | +12:57:28.38 | +28:23:06.88 | 0.̋18 |
|
(1) | 17.42 ± 5.90 | 0.01 | 0.09 | 2.05 |
| 140515A | +12:24:15.52 | +15:06:16.62 | 0.̋24 | 6.327 | (15) | 23.4 ± 2.1 | 0.02 | 0.23 | 13.76 |
| 140614A | +15:24:40.66 | −79:07:43.20 | 0.̋30 | 4.233 | (16) | 720 ± 120 | 0.11 | 0.82 | 0.54 |
| 151027B | +05:04:52.69 | −06:27:01.07 | 0.̋25 | 4.062 | (17) | 80.00 ± 35.78 | 0.18 | 0.58 | 7.76 |
| 151112A | +00:08:12.75 | −61:39:48.47 | 0.̋36 |
|
(1) | 19.32 ± 31.24 | 0.01 | 0.18 | 10.43 |
|
|
|||||||||
| GRBs with z> 4 observed with GROND that have been excluded from the sample | |||||||||
| 080129 | +07:01:08.20 | −07:50:46.51 | 0.̋28 | 4.349 | (18) | 48 ± 10 | 0.87 | 6.42 | 0.10 |
| 100518A | +20:19:09.33 | −24:33:16.57 | 0.̋28 |
|
(1) | 25 | 0.07 | 0.63 | 17.13 |
| 131227A | +04:29:30.84 | +28:52:58.92 | 0.̋30 | 5.3 | (19) | 18.0 ± 1.6 | 0.90 | 1.51 | 21.39 |
|
|
|||||||||
| All other GRBs with a redshift estimate of z> 4 | |||||||||
| 000131 | +06:13:31.1 | −51:56:41.7 | 1.̋1 | 4.500 | (20) | 96.3 | 0.05 | 0.41 | – |
| 050502B | +09:30:10.1 | +16:59:47.9 | 1.̋4 |
|
(21) | 17.5 ± 0.2 | 0.03 | 0.36 | – |
| 050505 | +09:27:03.3 | +30:16:24.2 | 1.̋4 | 4.275 | (22) | 60 ± 2 | 0.02 | 0.17 | – |
| 050814 | +17:36:45.4 | +46:20:21.8 | 1.̋4 |
|
(23) |
|
0.02 | 0.23 | – |
| 050904 | +00:54:50.9 | +14:05:09.3 | 3.̋5 | 6.295 | (24) | 225 ± 10 | 0.05 | 0.45 | – |
| 050922B | +00:23:13.4 | −05:36:17.3 | 1.̋7 | 4.5 ± 0.5 | (25) | 250 ± 20 | 0.03 | 0.31 | – |
| 060206 | +13:31:43.4 | +35:03:02.8 | 1.̋5 | 4.048 | (26) | 7 ± 2 | 0.01 | 0.09 | – |
| 060223A | +03:40:49.6 | −17:07:49.8 | 1.̋5 | 4.406 | (27) | 11 ± 2 | 0.10 | 0.69 | – |
| 060510B | +15:56:29.2 | +78:34:11.8 | 1.̋5 | 4.941 | (28) | 276 ± 10 | 0.04 | 0.41 | – |
| 060522 | +21:31:44.9 | +02:53:09.9 | 1.̋4 | 5.11 | (29) | 69 ± 5 | 0.05 | 0.42 | – |
| 060927 | +21:58:12.0 | +05:21:49.0 | 1.̋6 | 5.467 | (30) | 22.6 ± 0.3 | 0.05 | 0.46 | – |
| 100302A | +13:02:03.8 | +74:35:23.7 | 1.̋5 | 4.813 | (31) | 17.9 ± 1.7 | 0.02 | 0.19 | – |
| 100513A | +11:18:26.8 | +03:37:40.8 | 1.̋4 | 4.772 | (32) | 84 ± 21 | 0.05 | 0.42 | – |
| 120521C | +14:17:08.8 | +42:08:41.5 | 1.̋6 | 6.0 | (33) | 26.7 ± 4.4 | 0.01 | 0.11 | – |
| 140304A | +02:02:34.3 | +33:28:25.7 | 1.̋5 | 5.283 | (34) | 15.6 ± 1.9 | 0.07 | 0.60 | – |
| 140518A | +15:09:00.6 | +42:25:05.7 | 2.̋7 | 4.707 | (35) | 60.5 ± 2.4 | 0.01 | 0.15 | – |
Notes. Columns 5–10 are the redshift (photometric when given with errors, spectroscopic otherwise), corresponding reference, time interval T90 over which 90% of the total background-subtracted counts are observed (GRBs with T90> 2 s are classified as long gamma-ray bursts (LGRBs)), galactic foreground reddening from Schlafly & Finkbeiner (2011), as retrieved from the NASA Extragalactic database (NED, http://irsa.ipac.caltech.edu/applications/DUST/), total galactic neutral hydrogen column density provided by Kalberla et al. (2005), and start of the GROND observations in hours after the GRB Trigger (rounded to two decimal places).
Reference. (1) this work; (2) Krühler et al. (2011b); (3) Patel et al. (2010); (4) Fugazza et al. (2009); (5) Tanvir et al. (2009); (6) Cucchiara et al. (2011); (7) de Ugarte Postigo et al. (2009); (8) Mao et al. (2012); (9) Wiersema et al. (2011); (10) Xu et al. (2012); (11) Tanvir et al. (2017); (12) Xu et al. (2013); (13) Hartoog et al. (2013); (14) Tanvir et al. (2014); (15) Chornock et al. (2014); (16) Krühler et al. (2014); (17) Xu et al. (2015); (18) Greiner et al. (2009c); (19) Cucchiara & Cenko (2013); (20) Andersen et al. (2000); (21) Afonso et al. (2011); (22) Berger et al. (2006); (23) Curran et al. (2008); (24) Kawai et al. (2006); (25) Schulze et al. (2015); (26) Fynbo et al. (2006); (27) Chary et al. (2007); (28) Price et al. (2007); (29) Cenko et al. (2006); (30) Ruiz-Velasco et al. (2007); (31) Chornock et al. (2010); (32) Cenko et al. (2010b); (33) Laskar et al. (2014); (34) Jeong et al. (2014); (35) Chornock et al. (2014).
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