2 papers
astro-ph.IM2020
The Planet as Exoplanet Analog Spectrograph (PEAS): Design and First-Light
Emily C. Martin, Andrew J. Skemer, Matthew V. Radovan +13
Exoplanets are abundant in our galaxy and yet characterizing them remains a technical challenge. Solar System planets provide an opportunity to test the practical limitations of ex…
astro-ph.IM2011
The Future of Time: UTC and the Leap Second
David Finkleman, Steve Allen, John Seago +2
Before atomic timekeeping, clocks were set to the skies. But starting in 1972, radio signals began broadcasting atomic seconds and leap seconds have occasionally been added to that…