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Table 2.
Filter and observation information.
| Filter | CWL (Å) | λ (Å) | Δλ (Å) | texp (s) | S/N |
|---|---|---|---|---|---|
| (1) | (2) | (3) | (4) | (5) | (6) |
| NB4250 | 4250 | 4150 − 4330 | 138 | 400 | ∼10 |
| NB5975 | 5975 | 5850 − 6090 | 188 | 280 | ∼6 |
| NB7320 | 7320 | 7040 − 7610 | 488 | 240 | ∼6 |
| NB8025 | 8025 | 7700 − 8370 | 588 | 220 | ∼5 |
Notes. Column (1): NB filter. Columns (2)–(4): Central wavelength, minimum and maximum wavelength at 0.01% transmission, and FWHM in the units of Å. Column (5): Exposure time in seconds. Column (6): Typical signal-to-noise of PG 2130+099 combining four exposures.
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