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BUSCA (Bonn University Simultaneous CAmera), is a CCD camera system which allows simultaneous direct imaging of the same sky area in four colors. BUSCA covers the wavelength range from 300 to 900 nm.
Available at: Cassegrain focus of the Zeiss 2.2 m reflector.
Contact:
In a nutshell
| Instrument name | BUSCA |
| Observing technique | Simultaneous imaging in four bands |
| FOV | 12' x 12' |
| Dicroic cutoffs (nm) |
λ < 430, 430 < λ < 540, 540 < λ < 700, λ > 700 |
| Min. exposure time |
10ms |
| Available filters |
Strömgren u,v,b,y, Bessell I, u, v (not simult.), Strömgren Hβ (narrow & wide) |
| Detectors | 3 CCD485 Lockheed Martin backside + 1 CCD485 frontside thinned (NIR) |
| Detector sizes | 4096x4096 pix |
| Pixel size/scale | 15 μm / 0.176"/pix |
| Readout time | ~2 min with 2x2 binning |
| A&G FOV | 5.6 x 4.2 arcmin |
Observing with BUSCA
| Preparing observations | During observations |
| Requesting observing time | Observing manual |
| Instrument overview | Troubleshooting |
| Technical characteristics | Log sheets |
| Exp. time calculator | Flat fields information |
| Bias level and readout noise |
More information
PublicationsReference articles: Link1, Link2 Busca at the University of Bonn Image gallery View of the instrument |
Press Releases |
