3.5k citations · 12.4k across the 108 of their papers we have counts for
5 papers · 1 filter
Variable stars in the field of the Hydra II ultra-faint dwarf galaxy
A. Katherina Vivas, Knut Olsen, Robert Blum +12
We report the discovery of one RR Lyrae star in the ultra--faint satellite galaxy Hydra II based on time series photometry in the g, r and i bands obtained with the Dark Energy Cam…
A Dynamic Modification to Sneutrino Chaotic Inflation
Abhijit Kumar Saha, Arunansu Sil
We consider a right-handed scalar neutrino as the inflaton which carries a gravitational coupling with a supersymmetric QCD sector responsible for breaking supersymmetry dynamicall…
Photometric Evidence of an Intermediate-age Stellar Population in the Inner Bulge of M31
Hui Dong, Zhiyuan Li, Q. Daniel Wang +5
We explore the assembly history of the M31 bulge within a projected major-axis radius of 180" (~680 pc) by studying its stellar populations in Hubble Space Telescope WFC3 and ACS o…
Metallicity Distribution Functions of Four Local Group dwarf galaxies
Teresa L. Ross, Jon A. Holtzman, Abhijit Saha +1
We present stellar metallicities in Leo I, Leo II, IC 1613, and Phoenix dwarf galaxies derived from medium (F390M) and broad (F555W, F814W) band photometry using the Wide Field Cam…
Hydra II: a faint and compact Milky Way dwarf galaxy found in the Survey of the Magellanic Stellar History
Nicolas F. Martin, David L. Nidever, Gurtina Besla +26
We present the discovery of a new dwarf galaxy, Hydra II, found serendipitously within the data from the ongoing Survey of the MAgellanic Stellar History (SMASH) conducted with the…