Table 1
Characteristics of the impact flashes confirmed during our 2012 and 2013 monitoring campaigns.
| Flash No. | Date and | Selenographic | m | τ | φ | Emin × 10-6 | νSPO × 10-5 | νPER × 10-4 | pPER |
| time (UTC) | coordinates | (s) | (°) | (J) | |||||
|
|
|||||||||
| 1 | 2012 Aug. 13 | Lat: 25.2 ± 0.2 °N | 8.2 ± 0.1 | 0.04 | 60 | 3.8 | 2.6 | 3.2 | 0.98 |
| 03:55:08 | Lon: 83.4 ± 0.9 °E | ||||||||
| 2 | 2013 Aug. 11 | Lat: 8.5 ± 0.3 °N | 8.1 ± 0.1 | 0.04 | 73 | 3.3 | 3.1 | 3.5 | 0.96 |
| 20:16:33 | Lon: 28.7 ± 0.3 °W | ||||||||
| 3 | 2013 Aug. 11 | Lat: 39.4 ± 0.2 °N | 9.1 ± 0.1 | 0.02 | 69 | 3.3 | 3.1 | 3.5 | 0.97 |
| 20:43:19 | Lon: 49.2 ± 0.2 °W | ||||||||
| 4 | 2013 Aug. 11 | Lat: 34.3 ± 0.3 °N | 7.8 ± 0.1 | 0.04 | 48 | 3.3 | 3.1 | 3.5 | 0.98 |
| 21:08:14 | Lon: 14.2 ± 0.3 °W | ||||||||
| 5 | 2013 Aug. 12 | Lat: 17.0 ± 0.2 °N | 6.6 ± 0.1 | 0.16 | 46 | 3.2 | 3.2 | 3.6 | 0.98 |
| 19:49:57 | Lon: 14.6 ± 0.2 °W | ||||||||
| 6 | 2013 Aug. 12 | Lat: 45.2 ± 0.5 °N | 7.5 ± 0.1 | 0.08 | 25 | 3.2 | 3.2 | 3.6 | 0.99 |
| 20:08:29 | Lon: 0.5 ± 0.5 °W | ||||||||
| 7 | 2013 Aug. 12 | Lat: 33.4 ± 0.3 °N | 8.8 ± 0.1 | 0.04 | 49 | 3.2 | 3.2 | 3.6 | 0.98 |
| 20:14:55 | Lon: 28.7 ± 0.3 °W | ||||||||
| 8 | 2013 Aug. 13 | Lat: 19.9 ± 0.2 °N | 9.2 ± 0.1 | 0.02 | 65 | 3.2 | 3.2 | 3.6 | 0.97 |
| 20:18:29 | Lon: 53.5 ± 0.2 °W | ||||||||
| 9 | 2013 Aug. 13 | Lat: 50.6 ± 0.2 °N | 9.3 ± 0.1 | 0.02 | 51 | 3.2 | 3.3 | 3.6 | 0.98 |
| 20:39:01 | Lon: 53.6 ± 0.2 °W | ||||||||
| 10 | 2013 Aug. 13 | Lat: 58.6 ± 0.2 °N | 7.6 ± 0.1 | 0.04 | 39 | 3.2 | 3.3 | 3.6 | 0.98 |
| 21:08:52 | Lon: 34.4 ± 0.2 °W | ||||||||
| 11 | 2013 Aug. 13 | Lat: 11.3 ± 0.3 °N | 8.5 ± 0.1 | 0.02 | 53 | 3.2 | 3.3 | 3.6 | 0.98 |
| 21:12:47 | Lon: 32.9 ± 0.3 °W | ||||||||
| 12 | 2013 Aug. 13 | Lat: 17.2 ± 0.2 °N | 9.2 ± 0.1 | 0.02 | 51 | 3.2 | 3.3 | 3.6 | 0.98 |
| 21:14:53 | Lon: 34.2 ± 0.2 °W | ||||||||
| 13 | 2013 Aug. 13 | Lat: 63.3 ± 0.5 °N | 7.1 ± 0.1 | 0.10 | 52 | 3.2 | 3.3 | 3.6 | 0.98 |
| 22:03:48 | Lon: 64.6 ± 0.9 °W | ||||||||
Notes. τ: flash duration; m: peak visual magnitude of the flash; φ: impact angle with respect to the vertical; Emin: minimum impactor kinetic energy for flash detectability; νSPO, νPER: parameter ν defined by Eq. (12) for sporadics and Perseids, respectively; pPER probability that the impact is associated with the Perseid meteoroid stream. A luminous efficiency η = 2 × 10-3 has been considered.
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