David J. Sahnow

Engineering · Physical Sciences

19h-index2.5kcitations217works3.52yr avg
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Research Topics

Photocathodes and Microchannel Plates(54), Calibration and Measurement Techniques(50), Atmospheric Ozone and Climate(34), Astronomy and Astrophysical Research(34), Stellar, planetary, and galactic studies(30)

Publications217 total

The UV Legacy Library of Young Stars as Essential Standards (ULLYSES) Large Director’s Discretionary Program with Hubble. I. Goals, Design, and Initial Results
The Astrophysical Journal·2025· 14 citedOpen Access
The exploratory phase for Lifetime Position 7 in the Cosmic Origins Spectrograph FUV channel
2024
Pushing the limits of the Cosmic Origin Spectrograph (COS) with an optimized background correction
arXiv (Cornell University)·2024Open Access
Pushing the Limits of the Cosmic Origin Spectrograph (COS) with an Optimized Background Correction
Publications of the Astronomical Society of the Pacific·2024Open Access
Improved characterization of pulse height changes in the far ultraviolet detector of the cosmic origins explorer (COS)
2023
CLASSY. II. A Technical Overview of the COS Legacy Archive Spectroscopic Survey*
The Astrophysical Journal Supplement Series·2022· 42 citedOpen Access
Optical modeling of new lifetime positions for the cosmic origins spectrograph (COS)
Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray·2022
Extending the life of the Cosmic Origins Spectrograph (COS) with new lifetime positions
2021
Summary of COS Cycle 27 Calibration Plan
2021
Close Companions to the T Tauri Stars CVSO 109 and CVSO 165 Observed by the HST ULLYSES Program
Research Notes of the AAS·2021· 8 citedOpen Access
Ultraviolet Legacy Library of Young Stars as Essential Standards (ULLYSES): Data Release I
Research Notes of the AAS·2020· 42 cited
Testing for Systematics when moving the COS Aperture Block
2020
Cycle 28 COS FUV Characterization of Modal Gain When Changing High Voltage
HST Proposal·2020
COS FUV Target Acquisition Monitor
HST Proposal·2020
ULLYSES K-type T Tauri stars in the Orion OBIb and Sigma Ori Star Forming Regions
HST Proposal·2020
ULLYSES K-type T Tauri stars in Orion OBIb Star Forming Region
HST Proposal·2020
ULLYSES K and M-type T Tauri stars in the Orion Star Forming Region
HST Proposal·2020
Initial Test of COS/FUV Spectrum Placement at Lifetime Position 5
HST Proposal·2020
Ullyses LMC O9-B1 stars COS
HST Proposal·2020
Ullyses SMC O7-O9 Giants COS
HST Proposal·2020
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Frequent Co-authors

H. W. Moos(22), J. W. Kruk(19), S. D. Friedman(14), Thomas B. Ake(13), W. V. Dixon(13), P. D. Feldman(12), William P. Blair(12), Oswald H. W. Siegmund(11), E. M. Murphy(11), Kenneth R. Sembach(11), M. E. Kaiser(11), W. R. Oegerle(10), Stephan R. McCandliss(9), Blair D. Savage(8), G. Sonneborn(8), B. E. Woodgate(8), Donald G. York(8), B. G. Andersson(8), H. A. Weaver(8), E. B. Jenkins(7)