Results 111 to 120 of about 23,012 (280)
The Astrophysical Journal, 2022 This paper presents improved constraints on the low-mass stellar initial mass function (IMF) of the Boötes I (Boo I) ultrafaint dwarf galaxy, based on our analysis of recent deep imaging from the Hubble Space Telescope.
Carrie Filion +3 more
doaj +1 more source
A VIRIAL CORE IN THE SCULPTOR DWARF SPHEROIDAL GALAXY [PDF]
The Astrophysical Journal, 2012 4 pages, 2 figures, ApJL ...
Nick Evans, Adriano Agnello
openaire +3 more sources
A CHEMICAL CONFIRMATION OF THE FAINT BOÖTES II DWARF SPHEROIDAL GALAXY [PDF]
, 2014 We present a chemical abundance study of the brightest confirmed member star of the ultra-faint dwarf galaxy Boötes II from Keck/HIRES high-resolution spectroscopy at moderate signal-to-noise ratios.
A. Koch, R. Rich
semanticscholar +1 more source
FORMATION OF DWARF SPHEROIDAL GALAXIES VIA MERGERS OF DISKY DWARFS [PDF]
The Astrophysical Journal, 2011 6 pages, 2 figures, LaTeX (uses emulateapj.cls). Replaced to match the version accepted for publication in ApJL.
Kazantzidis, S +4 more
openaire +4 more sources
THE METAL-POOR KNEE IN THE FORNAX DWARF SPHEROIDAL GALAXY [PDF]
, 2014 We present α-element abundances of Mg, Si, and Ti for a large sample of field stars in two outer fields of the Fornax dwarf spheroidal (dSph) galaxy, obtained with Very Large Telescope/GIRAFFE (R ∼ 16, 000).
B. Hendricks +7 more
semanticscholar +1 more source
On the Stellar Content of the Carina Dwarf Spheroidal Galaxy1 [PDF]
Publications of the Astronomical Society of the Pacific, 2010 Accepted on PASP, 12 pages, 6 ...
Giuseppe Bono +24 more
openaire +8 more sources
Homogeneous Photometry VI: Variable Stars in the Leo I Dwarf Spheroidal Galaxy [PDF]
, 2014 From archival ground-based images of the Leo I dwarf spheroidal galaxy, we have identified and characterized the pulsation properties of 164 candidate RR Lyrae variables and 55 candidate anomalous and/or short-period Cepheids.
P. Stetson +7 more
semanticscholar +1 more source
Schwarzschild models of the Sculptor dSph galaxy
EPJ Web of Conferences, 2012 We have developed a spherically symmetric dynamical model of a dwarf spheroidal galaxy using the Schwarzschild method. This type of modelling yields constraints both on the total mass distribution (e.g.
van de Ven G. +4 more
doaj +1 more source
HUBBLE SPACE TELESCOPE ABSOLUTE PROPER MOTIONS OF NGC 6681 (M70) AND THE SAGITTARIUS DWARF SPHEROIDAL GALAXY [PDF]
, 2013 We have measured absolute proper motions for the three populations intercepted in the direction of the Galactic globular cluster NGC 6681: the cluster itself, the Sagittarius dwarf spheroidal galaxy, and the field.
D. Massari +6 more
semanticscholar +1 more source
The mass content of the Sculptor dwarf spheroidal galaxy [PDF]
Proceedings of the International Astronomical Union, 2008 AbstractWe present a new determination of the mass content of the Sculptor dwarf spheroidal galaxy, based on a novel approach which takes into account the two distinct stellar populations present in this galaxy. This method helps to partially break the well-known mass-anisotropy degeneracy present in the modelling of pressure-supported stellar systems.
Giuseppina Battaglia +3 more
openaire +4 more sources