1.2k citations · 11.6k across the 143 of their papers we have counts for
146 papers
Magellan/M2FS and MMT/Hectochelle Spectroscopy of Dwarf Galaxies and Faint Star Clusters within the Galactic Halo
Matthew G. Walker, Nelson Caldwell, Mario Mateo +5
We present spectroscopic data for 16369 stellar targets within and/or toward 38 dwarf spheroidal galaxies and faint star clusters within the Milky Way halo environment. All spectra…
A Nitrogen-rich SNR in M31: SNR Interaction with the CSM at Late Times
Nelson Caldwell, John Raymond
We present the discovery of a supernova remnant (SNR) in M31 which is unlike any other remnant known in that galaxy. An optical MMT spectrum of WB92-26 sampling most of this margin…
Abundance Analysis of Stars at Large Radius in the Sextans Dwarf Spheroidal Galaxy
Ian U. Roederer, Andrew B. Pace, Vinicius M. Placco +5
We present stellar parameters and chemical abundances of 30 elements for five stars located at large radii (3.5-10.7 times the half-light radius) in the Sextans dwarf spheroidal ga…
Discovery of the Magellanic Stellar Stream Out to 100 Kiloparsecs
Vedant Chandra, Rohan P. Naidu, Charlie Conroy +7
The Magellanic Stream (MS) - an enormous ribbon of gas spanning of the southern sky trailing the Magellanic Clouds - has been exquisitely mapped in the five decades sin…
Dark matter content and dynamical masses of ultra-diffuse galaxies in the Coma cluster
Igor Chilingarian, Kirill Grishin, Anton V. Afanasiev +6
Ultra-diffuse galaxies (UDGs) are spatially extended, low surface brightness stellar systems with regular elliptical-like morphology found in large numbers in galaxy clusters and g…
Dwarf early-type galaxies in the Coma cluster: internal dynamics, stellar populations
Igor Chilingarian, Kirill Grishin, Anton V. Afanasiev +6
We present preliminary results from our spectroscopic survey of low-luminosity early-type galaxies in the Coma cluster conducted with the Binospec spectrograph at the 6.5~m MMT. Fr…