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Table 1
Summary of the observational setup.
| Coordinates of the 3C 196 field | |
| centre (J2000.0) | α = 8h13m36ṣ0, δ = 48°13′03′′ |
| Galactic coordinates | l ≃ 171°, b ≃ 33° |
| Coordinates of the NCP field | |
| centre (J2000.0) | α = 4h00m00ṣ0, δ = 88°00′00′′ |
| Galactic coordinates | l ≃ 124°, b ≃ 25° |
| Number of spectral bands | 8 |
| Central frequency of each band (MHz) | 139.3, 141.5, 143.7, 145.9, |
| 148.1, 150.3, 152.5, 154.7 | |
| Width of each band (MHz) | 2.5 |
| Frequency resolution (kHz) | 4.9 (9.8 after tapering) |
| Time resolution (s) | 10 |
| Angular resolution for the 3C 196 field | 2′ × 2′cosec(δ) ≃ 2′ × 2.7′ |
| Conversion factor for the 3C 196 field | 1 mJy beam-1 = 3.3 K |
| Angular resolution for the NCP field | 2′ × 2′cosec(δ) ≃ 2′ × 2′ |
| Conversion factor for the NCP field | 1 mJy beam-1 = 4.4 K |
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