Gemini dark matter

A Cheek, YC Qiu, L Tan - Physical Review D, 2024 - APS
… In this section, we construct the Gemini DM model by extending the FN symmetry to the dark
sector, which contains Weyl fermions χi carrying FN charge ni, which is also the SM gauge …

Gemini High-resolution Optical Spectrograph (GHOST) at Gemini South: Instrument Performance and Integration, First Science, and Next Steps

VM Kalari, RJ Diaz, G Robertson… - The Astronomical …, 2024 - iopscience.iop.org
… Dwarf galaxies are the most common type of galaxy and are the local analogs of the dark
matter minihalos proposed in the λCDM model as the building blocks of larger galaxies in the …

A deep survey of brown dwarfs in Orion with Gemini

PW Lucas, PF Roche, M Tamura - Monthly Notices of the Royal …, 2005 - academic.oup.com
… The location of a less sensitive Gemini North/NIRI field, which we describe briefly in Section
3.2, is also indicated. Total exposure times for each Flamingos field were approximately 1 h …

Gemini spectra of 12 000 K white dwarf stars

SO Kepler, BG Castanheira, AFM Costa… - Monthly Notices of the …, 2006 - academic.oup.com
… We report signal-to-noise ratio (S/N) ≃ 100 optical spectra for four DA white dwarf stars
acquired with the GMOS spectrograph of the 8-m Gemini north telescope. These stars have 18 < …

[PDF][PDF] in Gemini

L Ferrarese - noirlab.edu
… see page 12 of this issue), Gemini tracked the first interstellar visitor … hosting stars, searched
for dark matter in a nearby ultra-… Republic of Korea among the Gemini partnership. For nearly …

Optical environment in Gemini space flights

EP Ney, WF Huch - Science, 1966 - science.org
… In the performance of the zodiacal light experiment on Gemini V, the command pilot (Cooper…
Our best estimates of the background surface brightness in Gemini flights are therefore: Mid-…

The Giant Gemini GMOS survey of zem > 4.4 quasars – I. Measuring the mean free path across cosmic time

G Worseck, JX Prochaska, JM O'Meara… - Monthly Notices of …, 2014 - academic.oup.com
… We speculate that the majority of H i Lyman limit opacity manifests in gas outside galactic
dark matter haloes, tracing large-scale structures (eg filaments) whose average density and …

The Science Performance of the Gemini High Resolution Optical Spectrograph

AW McConnachie, CR Hayes… - Publications of the …, 2024 - iopscience.iop.org
… The Gemini High Resolution Optical Spectrograph (GHOST) is a fiber-fed spectrograph
system on the Gemini South telescope that provides simultaneous wavelength coverage from …

Gemini/GMOS spectra of globular clusters in the Leo group elliptical NGC 3379

M Pierce, MA Beasley, DA Forbes… - Monthly Notices of …, 2006 - academic.oup.com
dark matter (DM) halo. This result would appear to be in conflict with the standard cold dark
matter (… In Section 4 we focus on GC kinematics and the implications for the dark matter halo …

XMM-Newton and Gemini observations of eight rasscals galaxy groups

A Mahdavi, A Finoguenov, H Böhringer… - The Astrophysical …, 2005 - iopscience.iop.org
… ; we also list 127 new redshifts measured with the Gemini North telescope. The groups are
… a sign of a similarity in the underlying dark matter distributions. Subject headinggs: galaxies: …

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