activity
20042026
most citedCepheid calibration of type Ia Supernovae and the Hubble constant

139 citations · 2.5k across the 83 of their papers we have counts for

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10 papers · 1 filter

astro-ph.IM2025

Why the Northern Hemisphere Needs a 30-40 m Telescope and the Science at Stake: Resolved Stellar Populations Studies in M31 and its Satellites

C. Gallart, E. Fernández-Alvar, A. B. A. Queiroz +48

A 30 m class optical/near-IR telescope in the Northern Hemisphere, equipped for diffraction-limited imaging and high-resolution, multi-object spectroscopy of faint stars, would ena…

astro-ph.IM2024★ 2 cited

SHARP -- A near-IR multi-mode spectrograph conceived for MORFEO@ELT

P. Saracco, P. Conconi, C. Arcidiacono +50

The Extremely Large Telescopes (ELTs), thanks to their large apertures and cutting-edge Multi-Conjugate Adaptive Optics (MCAO) systems, promise to deliver sharper and deeper data e…

astro-ph.IM2022★ 8 cited

Rubin Observatory LSST Transients and Variable Stars Roadmap

Kelly M. Hambleton, Federica B. Bianco, Rachel Street +79

The Vera C. Rubin Legacy Survey of Space and Time holds the potential to revolutionize time domain astrophysics, reaching completely unexplored areas of the Universe and mapping va…

astro-ph.IM2022★ 5 cited

Optimal Differential Astrometry for Multiconjugate Adaptive Optics. I. Astrometric Distortion Mapping using On-sky GeMS Observations of NGC 6723

Mojtaba Taheri, Alan W. McConnachie, Paolo Turri +7

The Extremely Large Telescope and the Thirty Meter Telescope will use state of the art multiconjugate adaptive optics (MCAO) systems to obtain the full D4 advantage that their aper…

astro-ph.IM2019

Towards an overall astrometric error budget with MICADO-MCAO

Gabriele Rodeghiero, Jörg Uwe Pott, Davide Massari +9

MICADO is the Multi-AO Imaging Camera for Deep Observations, and it will be one of the first light instruments of the Extremely Large Telescope (ELT). Doing high precision multi-ob…

astro-ph.IM2016★ 11 cited

Optimal stellar photometry for multi-conjugate adaptive optics systems using science-based metrics

P. Turri, A. W. McConnachie, P. B. Stetson +5

We present a detailed discussion of how to obtain precise stellar photometry in crowded fields using images from multi-conjugate adaptive optics (MCAO) systems, with the intent of…