Results 131 to 140 of about 33,724 (268)
A Study of Abundance Patterns in the Sextans and Sculptor Dwarf Spheroidal Galaxies
The Astrophysical JournalIn this work, we employ a multicomponent decomposition model to study the Sextans and Sculptor dwarf spheroidal galaxies, which have distinct evolutionary histories.
Shuaishuai Yang +3 more
doaj +1 more source
Little Bear’s pulsating stars: Variable star census of UMi dSph Galaxy
EPJ Web of Conferences, 2017 Recent observations and a photometric search for variable stars in the Ursa Minor dwarf spheroidal galaxy (UMi dSph) are presented. Our observations were taken at Apache Point Observatory in 2014 and 2016 using the 0.5m ARCSAT telescope and the West ...
Kinemuchi K. +4 more
doaj +1 more source
The Astrophysical Journal, 2023 We present a photometric study of the resolved stellar populations in Andromeda IX (And IX), the closest satellite to M31, a metal-poor and low-mass dwarf spheroidal galaxy. We estimate a distance modulus of ${24.56}_{-0.15}^{+0.05}$ mag based on the tip
Hedieh Abdollahi +11 more
doaj +1 more source
, 2007 Radial velocity dispersion in spheroidal and elliptical galaxies, as a function of radial distance from the center of the galaxy, has been derived from Cosmological Special Relativity.
F.J. Oliveira +7 more
core +1 more source
Dwarf Spheroidal Galaxies and Globular Clusters [PDF]
Symposium - International Astronomical Union, 1988 Recent observational results for dwarf spheroidal galaxies are reviewed and discussed. In particular, the differences in stellar populations between dwarf spheroidal galaxies and globular clusters are highlighted. It seems most probable that the origin and evolution of dwarf spheroidal galaxies was very different from that of globular clusters.
openaire +2 more sources
Spatial dependence of the star formation history in the central regions of the Fornax dwarf spheroidal galaxy [PDF]
, 2013 We present the Star Formation History (SFH) and the age-metallicity relation (AMR) in three fields of the Fornax dwarf spheroidal galaxy. They sample a region spanning from the centre of the galaxy to beyond one core radius, which allows studying ...
A. Pino +7 more
semanticscholar +1 more source
Elemental Abundances in And XIX from Coadded Spectra
The Astrophysical JournalWith a luminosity similar to that of Milky Way dwarf spheroidal systems like Sextans, but a spatial extent similar to that of ultra-diffuse galaxies, Andromeda (And) XIX is an unusual satellite of M31. To investigate the origin of this galaxy, we measure
L. R. Cullinane +8 more
doaj +1 more source
A COMPREHENSIVE, WIDE-FIELD STUDY OF PULSATING STARS IN THE CARINA DWARF SPHEROIDAL GALAXY [PDF]
, 2013 We report the detection of 388 pulsating variable stars (and some additional miscellaneous variables) in the Carina dwarf spheroidal galaxy over an area covering the full visible extent of the galaxy and extending a few times beyond its photometric (King)
A. K. Vivas, M. Mateo
semanticscholar +1 more source
A new study of stellar substructures in the Fornax dwarf spheroidal galaxy [PDF]
, 2013 Using deep V, B - V wide-field photometry, we have conducted a new study of stellar over-densities in the Fornax dwarf spheroidal galaxy by determining detailed star formation histories from colour-magnitude diagram analysis.
T. D. Boer +3 more
semanticscholar +1 more source
VARIABLE STARS IN THE ULTRA-FAINT DWARF SPHEROIDAL GALAXY URSA MAJOR I [PDF]
, 2013 We have performed the first study of the variable star population of Ursa Major I (UMa I), an ultra-faint dwarf satellite recently discovered around the Milky Way (MW) by the Sloan Digital Sky Survey.
A. Garofalo +8 more
semanticscholar +1 more source