Accurate, absolute, and reproducible measurements are the expected qualities of any instrument. A differential image motion monitor (DIMM) is presented which...
Measuring Be Depletion in Cool Stars with Exoplanets
We present new UVES spectra of a sample of 14 mostly cool unevolved stars with planetary companions with the aim of studying possible differences in Be...
Measuring Cosmological Parameters with Type Ia Supernovae in redMaGiC Galaxies
Current and future cosmological analyses with Type Ia supernovae (SNe Ia) face three critical challenges: (i) measuring the redshifts from the SNe or their host...
Measuring dark matter flows in merging clusters of galaxies
The Rees-Sciama effect produced in mergers of galaxy clusters is discussed, and an analytical approximation to compute this effect from numerical simulations is...
Measuring distances to galaxies with globular cluster velocity dispersions
Accurate distances are key to obtaining intrinsic properties of astronomical objects such as luminosity or size. Globular clusters (GCs) follow a well-defined...
Measuring fundamental jet properties with multiwavelength fast timing of the black hole X-ray binary MAXI J1820+070
We present multiwavelength fast timing observations of the black hole X-ray binary MAXI J1820+070 (ASASSN-18ey), taken with the Karl G. Jansky Very Large Array...
Measuring masses in low mass X-ray binaries via X-ray spectroscopy: the case of MXB 1659-298
The determination of fundamental parameters in low-mass X-ray binaries (LMXBs) typically relies on measuring the radial velocity curve of the companion star...
Measuring Microlensing Using Spectra of Multiply Lensed Quasars
We report on a program of spectroscopic observations of gravitationally lensed QSOs with multiple images. We seek to establish whether microlensing is occurring...
Measuring small-scale magnetic fields of 44 M dwarfs from SPIRou spectra with ZeeTurbo
We present the results of an analysis aimed at probing the small-scale magnetic fields of M dwarfs observed with SPIRou, the nIR high-resolution spectro...