3 papers
astro-ph.IM2026
Dynamic Range Beyond Bit Depth of a CMOS Image Sensor Using Interleaved Row Readout
Supriyo Ghosh, William Martin, Hugh R. A. Jones +3
The dynamic range available from a sensor is vital to its utility. The limits on the dynamic range that can be obtained from an image sensor are set by the brightest and faintest o…
astro-ph.IM2026
pyTANSPEC v1.0 and HxRGproc: Updated packages to Clean and Reduce TANSPEC data
Varghese Reji, Joe P. Ninan, Supriyo Ghosh +2
TIFR-ARIES Near-Infrared Spectrometer (TANSPEC) is a spectrograph-cum-imager operating over the wavelength range m. The instrument is mounted on the 3.6-m Devasthal…
astro-ph.IM2025
Use of solid fused silica etalon with broadband metallic coatings for calibration of high-resolution optical spectrograph
Supriyo Ghosh, William Martin, Kajal Kunverji +1
Wavelength calibration is a key factor for high-resolution spectroscopic measurements for precision radial velocities. Hollow-cathode lamps (e.g., ThAr), absorption cells (e.g., io…