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Celebrating 75 Years of Discovery
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P48 Observer Information
Samuel Oschin/P48 Telescope exterior. (Palomar/Caltech)
P48 Telescope
The Palomar 48-inch Samuel Oschin Telescope (P48) operates exclusively in a robotic, queue-scheduled service-observing mode.
P48 Instruments
The current camera installed on the Samuel Oschin Telescope is the ZTF camera, with sixteen 6k×6k CCDs that cover 47 square degrees of sky. This camera's field of view enables a full scan of the northern visible sky every three nights. ZTF's fast readout electronics enable a survey more than an order of magnitude faster than that of PTF. The ZTF camera saw first light in November 2017.
| ZTF Camera Technical Specifications | |
|---|---|
| Telescope | Samuel Oschin (48-inch Schmidt) |
| Field of View | 47 square degrees |
| Detectors | 16 e2v 6k x 6k CCD231-C6 |
| Pixel size | 15 micron |
| Pixel scale | 1.0"/pixel |
| Median Delivered Image Quality | 2.0" FWHM |
| Exposure Time | 30 sec |
| Readout Time | 10 sec |
| Median Time Between Exposures | 15 sec |
| Median Single Visit Depth (5σ, R band) |
20.4 mag (all lunar phases) |
| Filters | ZTF g, ZTF r, ZTF i |
| Areal Survey Rate | 3750 square degrees/hour |
Detailed information on this new facility can be found in the following articles and presentation:
- Smith et al (2014), The Zwicky Transient Facility Observing System;
- Dekany et al (2016), The Zwicky Transient Facility Camera;
- Riddle et al (2018), The Zwicky Transient Facility Robotic Observing System.
Questions? We've answered many common observing and operations questions in our observer FAQ page.
Please share your feedback on this page or any other Palomar topic at the
COO Feedback portal.
P48 Observer / v 1.0.3
Last updated: 3 February 2021 AFB/ACM
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