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The DESI Survey Validation: Results from Visual Inspection of the Quasar Survey Spectra
David M. Alexander, Tamara M. Davis, E. Chaussidon +69
A key component of the Dark Energy Spectroscopic Instrument (DESI) survey validation (SV) is a detailed visual inspection (VI) of the optical spectroscopic data to quantify key sur…
On the possible enhancement of the dark matter density distribution at the galactic center
V. Gammaldi, V. Avila-Reese, O. Valenzuela +3
The dark matter spike induced by the adiabatic growth of a massive black hole in a cuspy environment, may explain the thermal dark matter density required to fit the cut-off in the…
Dwarf spheroidal galaxies and Bose-Einstein condensate dark matter
Alberto Diez-Tejedor, Alma X. Gonzalez-Morales, Stefano Profumo
We constrain the parameters of a self-interacting massive dark matter scalar particle in a condensate using the kinematics of the eight brightest dwarf spheroidal satellites of the…
A warning on the determination of the halo mass
Dario Nunez, Alma X. Gonzalez Morales, Jorge L. Cervantes-Cota +1
We summarize our studies on the determination of the mass of the dark matter halo, based on observations of rotation curves of test particles or of the gravitational lensing. As we…
Testing DM halos using rotation curves and lensing: A warning on the determination of the halo mass
Dario Nunez, Alma X. Gonzalez Morales, Jorge L. Cervantes-Cota +1
There are two observations of galaxies that can offer some insight into the nature of the dark matter (DM), namely the rotation curves and the gravitational lensing. While the firs…