45 datasets found

Keywords: dwarf galaxies

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  • [FeX]{lambda}6374 em. in SDSS dwarf galaxies

    The massive black hole (BH) population in dwarf galaxies (M_BH_<~10^5^M_{sun}) can provide strong constraints on the origin of BH seeds. However, traditional optical searches...
  • Dwarf galaxies photometry & structures

    The structure of a dwarf galaxy is an important probe of the effects of stellar feedback and environment. Using an unprecedented sample of 223 low-mass satellites from the...
  • Fornax stars M2FS spectroscopy with Gaia EDR3 data

    The Fornax dwarf spheroidal galaxy has an anomalous number of globular clusters, five, for its stellar mass. There is a longstanding debate about a potential sixth globular...
  • Abundances of Sculptor dSph stars

    We demonstrate that using up to seven stellar abundance ratios can place observational constraints on the star formation histories (SFHs) of Local Group dSphs, using Sculptor...
  • ELVES II: early-type satellites phot. & GC data

    We present the properties of the globular clusters (GCs) and nuclear star clusters (NSCs) of low-mass (10^5.5^<M_<10^8.5^M{sun}) early-type satellites of Milky Way-like...
  • Distances to Local Group galaxies. II. Fornax dSph

    We determine three independent Population II distance moduli to the Fornax dwarf spheroidal (dSph) galaxy, using wide-field, ground-based VI imaging acquired with the...
  • The ELVES survey photometric results

    We present the final sample of the Exploration of Local VolumE Satellites (ELVES) survey, a survey of the dwarf satellites of a nearly volume-limited sample of Milky Way...
  • Magellan IMACS color-magnitude diagram for Tucana B

    We report the discovery of Tucana B, an isolated ultra-faint dwarf galaxy at a distance of D=1.4Mpc. Tucana B was found during a search for ultra-faint satellite companions to...
  • Faint stars in a faint galaxy. II. Bootes I dsph

    This paper presents improved constraints on the low-mass stellar initial mass function (IMF) of the Bootes I (Boo I) ultrafaint dwarf galaxy, based on our analysis of recent...
  • Early-type dwarf galaxies in the local universe

    We present an extensive catalog of 5405 early-type dwarf (dE) galaxies located in the various environments, i.e., clusters, groups, and fields, of the local universe...
  • M2FS & Hectochelle spectra of dSph in the MW halo

    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...
  • Deep u'g'r' obs. of galaxies in A262 & A1656

    In this study, we compare the structural parameters of ultradiffuse galaxies (UDGs) to those of other dwarf galaxies and investigate whether UDGs form a distinct population. We...
  • A DECam view of Crater II - Variable stars

    Time series observations of a single dithered field centred on the diffuse dwarf satellite galaxy Crater II were obtained with the Dark Energy Camera (DECam) at the 4m Blanco...
  • Stellar populations of the Ursa Minor dSph galaxy

    We present a Bayesian method to identify multiple (chemodynamic) stellar populations in dwarf spheroidal galaxies (dSphs) using velocity, metallicity, and positional stellar...
  • Emission in local volume dwarf galaxies

    We used the H{alpha} images from a large sample of nearby late-type dwarf galaxies to investigate properties of their emission structure. The sample consists of 300 galaxies of...
  • Dwarf galaxy rotational velocities

    We use a compilation of disc galaxy rotation curves to assess the role of the luminous component ('baryons') in the rotation curve diversity problem. As in earlier work, we find...
  • Lithium and beryllium in Gaia-Enceladus galaxy

    Data from Gaia DR2 and The Apache Point Observatory Galactic Evolution Experiment surveys revealed a relatively new component in the inner Galactic halo, which is likely the...
  • SH{alpha}DE dwarf galaxies' mass and kinematics

    The Study of H{alpha} from Dwarf Emissions (SH{alpha}DE) is a high spectral resolution (R=13500) H{alpha} integral field survey of 69 dwarf galaxies with stellar masses...
  • Long tidal tails in merging galaxies

    We investigate the properties of long tidal tails using the largest to date sample of 461 merging galaxies with log(M_/M{sun})>=9.5 within 0.2=<z=<1 from the COSMOS...
  • RR Lyrae population in the Draco dwarf galaxy

    We present a catalogue of 285 RR Lyrae stars (RRLs) in the Draco dwarf spheroidal (dSph) galaxy, obtained by combining data from a number of different surveys including the Data...
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