I'm a PhD student, working with the Space Instrumentation group and the Centre for Electronic Imaging to investigate radiation damage in the CCDs of the Gaia spacecraft.
- CCD Radiation Damage
- Semiconductor physics
- Stellar Astrophysics
- Gaia Space Mission
A homogeneous sample of 34 000 M7−M9.5 dwarfs brighter than J = 17.5 with accurate spectral types (2019-03)
Ahmed, S. and Warren, S. J.
Astronomy & Astrophysics, 623, Article A127
The local vertical density distribution of ultracool dwarfs M7 to L2.5 and their luminosity function
Ahmed, Saad; Warren, Stephen and Laithwaite, Richard
The Open Journal of Astrophysics ((In Press))
Gaia CCDs: charge transfer inefficiency measurements between five years of flight (2020-12-13)
Ahmed, Saad; Hall, David; Crowley, Cian; Skottfelt, Jesper; Dryer, Benjamin; Seabroke, George; Hernandez, Jose and Holland, Andrew
In : X-Ray, Optical, and Infrared Detectors for Astronomy IX (14-18 Dec 2020, Online)
Investigating radiation damage experienced by Gaia's detectors (2021)
The Open University