Questions tagged [charge-coupled-devices]
Questions about CCD-sensors, i.e. light-sensitive electronic devices based on the internal photoelectric effect.
3
questions
3
votes
2answers
69 views
Calibrating raw photometric measurements
So I have a photometry data sourced from Solar Mass Ejection Imager's (SMEI) server as an ‘add-on data’ for my point source of interest (a variable star) with a 104 minute cadence. However, it’s not ...
3
votes
1answer
37 views
Why wasn't CHEOPS data taken during passage through the South Atlantic Anomaly downlinked in this case, resulting in gaps in photometry?
Section 4.1.2. CHEOPS in Six transiting planets and a chain of Laplace resonances in TOI-178 says
Due to the low-Earth orbit of CHEOPS, the spacecraft-target line of sight was interrupted by Earth ...
2
votes
0answers
28 views
How often are electron-multiplying CCDs used in telescope focal planes? Will Nancy Grace Roman be the first use in a space telescope?
Section I. of The Wide Field Infrared Survey Telescope: 100 Hubbles for the 2020s says:
Table 1 summarizes the WFIRST instrument suite, and Figure 1 presents the effective area of the Wide Field ...
