Table 4
Nominal MSSS parameters and comparison with other surveys.
| Survey | Frequency | Sensitivity | Resolution | Area |
|
|
||||
| MSSS-LBA | 30–78 MHz | ≲50 mJy beam-1 | ≲ 150″ | 20 000 Λ° (δ > 0°) |
| 8C | 38 MHz | 200−300 mJy beam-1 | 4.5′ × 4.5′csc(δ) | 3000 Λ° (δ > + 60°) |
| VLSS | 74 MHz | 100 mJy beam-1 | 80″ | 30 000 Λ° (δ > −30°) |
| MSSS-HBA | 120–170 MHz | ≲10–15 mJy beam-1 | ≲ 120″ | 20 000 Λ° (δ > 0°) |
| 7C | 151 MHz | 20 mJy beam-1 | 70″ × 70″csc(δ) | 5500 Λ° (irregular coverage) |
| TGSS | 140–156 MHz | 7–9 mJy beam-1 | 20″ | 32 000 Λ° (δ > −30°) |
| WENSS | 330 MHz | 3.6 mJy beam-1 | 54″ × 54″csc(δ) | 10 000 Λ° (δ > + 30°) |
| NVSS | 1400 MHz | 0.45 mJy beam-1 | 45″ | 35 000 Λ° (δ > −40°) |
Notes. Sensitivity and resolution values for the MSSS survey components are upper limits corresponding to images produced with baselines shorter than 3 kλ. Longer baselines are included in the observations as a matter of course, enabling reprocessing toward the production of an updated, higher angular resolution catalog.
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