| Telescope . | ASV 60 cm . | ASV 1.4 m . | TJO 80 cm . | Rozhen 2 m . |
|---|---|---|---|---|
| CCD model | Apogee Alta E47 | Andor iKon-L | Andor iKon-L | Andor iKon-L |
| Apogee Alta U42 | Apogee Alta U42 | FLI PL4240-1-B | VersArray:1300B | |
| SBIG ST10 XME | ||||
| Chip size (pixels) | 1024 × 1024 | 2048 × 2048 | 2048 × 2048 | 2048 × 2048 |
| 2048 × 2048 | 2048 × 2048 | 2048 × 2048 | 1340 × 1300 | |
| 2184 × 1472 | ||||
| Scale (arcsec pixel–1) | 0.45 | 0.244 | 0.361 | 0.176 |
| 0.466 | 0.244 | 0.364 | 0.258 | |
| 0.23 | ||||
| Field (arcmin2) | 7.6 × 7.6 | 8.3 × 8.3 | 12.3 × 12.3 | 6.0 × 6.0 |
| 15.8 × 15.8 | 8.3 × 8.3 | 12.3 × 12.3 | 5.76 × 5.76 | |
| 8.4 × 5.7 | ||||
| Gain (|$\rm {e}^{-}$|/ADU) | 2.56 | 1 | 1 | 1.7 |
| 1.25 | 1.25 | 1.5 | 1 | |
| 1.2 | ||||
| Read-out Noise (|$\rm {e}^{-}$| rms) | 37.2 | 7 | 13.7 | 6 |
| 12.5 | 12.5 | 6.6 | 2 | |
| 8.8 | ||||
| Typical seeing (arcsec) | 1 – 2 | 1 – 2 | 1 – 2 | 1.5 – 2.5 |
| Telescope | LFOA 1.5 m | Rozhen 50/70 cm | Rozhen 60 cm | Belogradchik 60 cm |
| CCD model | SBIG ST10 XME | FLI PL16803 | FLI PL9000 | FLI PL9000 |
| Chip size (pixels) | 2184 × 1472 | 4096 × 4096 | 3056 × 3056 | 3056 × 3056 |
| Scale (arcsec/pixel) | 0.15 | 1.079 | 0.33 | 0.33 |
| Field (arcmin2) | 5.6 × 3.8 | 73.66 × 73.66 | 16.8 × 16.8 | 16.8 × 16.8 |
| Gain (|$\rm {e}^{-}$|/ADU) | 1.42 | 1 | 1 | 1 |
| Read-out noise (|$\rm {e}^{-}$| rms) | 13.38 | 9 | 9 | 9 |
| Typical seeing (arcsec) | 2 – 4 | 2 – 4 | 1.5 – 2.5 | 1.5 – 2.5 |
| Telescope . | ASV 60 cm . | ASV 1.4 m . | TJO 80 cm . | Rozhen 2 m . |
|---|---|---|---|---|
| CCD model | Apogee Alta E47 | Andor iKon-L | Andor iKon-L | Andor iKon-L |
| Apogee Alta U42 | Apogee Alta U42 | FLI PL4240-1-B | VersArray:1300B | |
| SBIG ST10 XME | ||||
| Chip size (pixels) | 1024 × 1024 | 2048 × 2048 | 2048 × 2048 | 2048 × 2048 |
| 2048 × 2048 | 2048 × 2048 | 2048 × 2048 | 1340 × 1300 | |
| 2184 × 1472 | ||||
| Scale (arcsec pixel–1) | 0.45 | 0.244 | 0.361 | 0.176 |
| 0.466 | 0.244 | 0.364 | 0.258 | |
| 0.23 | ||||
| Field (arcmin2) | 7.6 × 7.6 | 8.3 × 8.3 | 12.3 × 12.3 | 6.0 × 6.0 |
| 15.8 × 15.8 | 8.3 × 8.3 | 12.3 × 12.3 | 5.76 × 5.76 | |
| 8.4 × 5.7 | ||||
| Gain (|$\rm {e}^{-}$|/ADU) | 2.56 | 1 | 1 | 1.7 |
| 1.25 | 1.25 | 1.5 | 1 | |
| 1.2 | ||||
| Read-out Noise (|$\rm {e}^{-}$| rms) | 37.2 | 7 | 13.7 | 6 |
| 12.5 | 12.5 | 6.6 | 2 | |
| 8.8 | ||||
| Typical seeing (arcsec) | 1 – 2 | 1 – 2 | 1 – 2 | 1.5 – 2.5 |
| Telescope | LFOA 1.5 m | Rozhen 50/70 cm | Rozhen 60 cm | Belogradchik 60 cm |
| CCD model | SBIG ST10 XME | FLI PL16803 | FLI PL9000 | FLI PL9000 |
| Chip size (pixels) | 2184 × 1472 | 4096 × 4096 | 3056 × 3056 | 3056 × 3056 |
| Scale (arcsec/pixel) | 0.15 | 1.079 | 0.33 | 0.33 |
| Field (arcmin2) | 5.6 × 3.8 | 73.66 × 73.66 | 16.8 × 16.8 | 16.8 × 16.8 |
| Gain (|$\rm {e}^{-}$|/ADU) | 1.42 | 1 | 1 | 1 |
| Read-out noise (|$\rm {e}^{-}$| rms) | 13.38 | 9 | 9 | 9 |
| Typical seeing (arcsec) | 2 – 4 | 2 – 4 | 1.5 – 2.5 | 1.5 – 2.5 |
| Telescope . | ASV 60 cm . | ASV 1.4 m . | TJO 80 cm . | Rozhen 2 m . |
|---|---|---|---|---|
| CCD model | Apogee Alta E47 | Andor iKon-L | Andor iKon-L | Andor iKon-L |
| Apogee Alta U42 | Apogee Alta U42 | FLI PL4240-1-B | VersArray:1300B | |
| SBIG ST10 XME | ||||
| Chip size (pixels) | 1024 × 1024 | 2048 × 2048 | 2048 × 2048 | 2048 × 2048 |
| 2048 × 2048 | 2048 × 2048 | 2048 × 2048 | 1340 × 1300 | |
| 2184 × 1472 | ||||
| Scale (arcsec pixel–1) | 0.45 | 0.244 | 0.361 | 0.176 |
| 0.466 | 0.244 | 0.364 | 0.258 | |
| 0.23 | ||||
| Field (arcmin2) | 7.6 × 7.6 | 8.3 × 8.3 | 12.3 × 12.3 | 6.0 × 6.0 |
| 15.8 × 15.8 | 8.3 × 8.3 | 12.3 × 12.3 | 5.76 × 5.76 | |
| 8.4 × 5.7 | ||||
| Gain (|$\rm {e}^{-}$|/ADU) | 2.56 | 1 | 1 | 1.7 |
| 1.25 | 1.25 | 1.5 | 1 | |
| 1.2 | ||||
| Read-out Noise (|$\rm {e}^{-}$| rms) | 37.2 | 7 | 13.7 | 6 |
| 12.5 | 12.5 | 6.6 | 2 | |
| 8.8 | ||||
| Typical seeing (arcsec) | 1 – 2 | 1 – 2 | 1 – 2 | 1.5 – 2.5 |
| Telescope | LFOA 1.5 m | Rozhen 50/70 cm | Rozhen 60 cm | Belogradchik 60 cm |
| CCD model | SBIG ST10 XME | FLI PL16803 | FLI PL9000 | FLI PL9000 |
| Chip size (pixels) | 2184 × 1472 | 4096 × 4096 | 3056 × 3056 | 3056 × 3056 |
| Scale (arcsec/pixel) | 0.15 | 1.079 | 0.33 | 0.33 |
| Field (arcmin2) | 5.6 × 3.8 | 73.66 × 73.66 | 16.8 × 16.8 | 16.8 × 16.8 |
| Gain (|$\rm {e}^{-}$|/ADU) | 1.42 | 1 | 1 | 1 |
| Read-out noise (|$\rm {e}^{-}$| rms) | 13.38 | 9 | 9 | 9 |
| Typical seeing (arcsec) | 2 – 4 | 2 – 4 | 1.5 – 2.5 | 1.5 – 2.5 |
| Telescope . | ASV 60 cm . | ASV 1.4 m . | TJO 80 cm . | Rozhen 2 m . |
|---|---|---|---|---|
| CCD model | Apogee Alta E47 | Andor iKon-L | Andor iKon-L | Andor iKon-L |
| Apogee Alta U42 | Apogee Alta U42 | FLI PL4240-1-B | VersArray:1300B | |
| SBIG ST10 XME | ||||
| Chip size (pixels) | 1024 × 1024 | 2048 × 2048 | 2048 × 2048 | 2048 × 2048 |
| 2048 × 2048 | 2048 × 2048 | 2048 × 2048 | 1340 × 1300 | |
| 2184 × 1472 | ||||
| Scale (arcsec pixel–1) | 0.45 | 0.244 | 0.361 | 0.176 |
| 0.466 | 0.244 | 0.364 | 0.258 | |
| 0.23 | ||||
| Field (arcmin2) | 7.6 × 7.6 | 8.3 × 8.3 | 12.3 × 12.3 | 6.0 × 6.0 |
| 15.8 × 15.8 | 8.3 × 8.3 | 12.3 × 12.3 | 5.76 × 5.76 | |
| 8.4 × 5.7 | ||||
| Gain (|$\rm {e}^{-}$|/ADU) | 2.56 | 1 | 1 | 1.7 |
| 1.25 | 1.25 | 1.5 | 1 | |
| 1.2 | ||||
| Read-out Noise (|$\rm {e}^{-}$| rms) | 37.2 | 7 | 13.7 | 6 |
| 12.5 | 12.5 | 6.6 | 2 | |
| 8.8 | ||||
| Typical seeing (arcsec) | 1 – 2 | 1 – 2 | 1 – 2 | 1.5 – 2.5 |
| Telescope | LFOA 1.5 m | Rozhen 50/70 cm | Rozhen 60 cm | Belogradchik 60 cm |
| CCD model | SBIG ST10 XME | FLI PL16803 | FLI PL9000 | FLI PL9000 |
| Chip size (pixels) | 2184 × 1472 | 4096 × 4096 | 3056 × 3056 | 3056 × 3056 |
| Scale (arcsec/pixel) | 0.15 | 1.079 | 0.33 | 0.33 |
| Field (arcmin2) | 5.6 × 3.8 | 73.66 × 73.66 | 16.8 × 16.8 | 16.8 × 16.8 |
| Gain (|$\rm {e}^{-}$|/ADU) | 1.42 | 1 | 1 | 1 |
| Read-out noise (|$\rm {e}^{-}$| rms) | 13.38 | 9 | 9 | 9 |
| Typical seeing (arcsec) | 2 – 4 | 2 – 4 | 1.5 – 2.5 | 1.5 – 2.5 |
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