Results 71 to 80 of about 12,845 (268)
Pulsar‐Driven Jets in Supernovae, Gamma‐Ray Bursts, and the Universe
Advances in Astronomy, Volume 2012, Issue 1, 2012., 2012 The bipolarity of Supernova 1987A can be understood through its very early light curve from the CTIO 0.4 m telescope and IUE FES and following speckle observations of the “Mystery Spot”. These indicate a beam/jet of light/particles, with initial collimation factors >104 and velocities >0.95 c, involving up to 10−5 M⊙ interacting with circumstellar ...
John Middleditch +1 more
wiley +1 more source
Odessa Astronomical Publications, 2017 This paper describes the developed model of dark matter cored density profiles. This model was recently proposed by Dmytro Iakubovskyi (Iakubovskyi & Rudakovskyi, in preparation).
A. V. Rudakovskyi
doaj +1 more source
Origin of structural and kinematical properties of the Small Magellanic Cloud
, 2009 We investigate structural, kinematical, and chemical properties of stars and gas in the Small Magellanic Cloud (SMC) interacting with the Large Magellanic Cloud (LMC) and the Galaxy based on a series of self-consistent chemodynamical simulations.
Bekki +13 more
core +1 more source
On Dwarf Galaxies as the Source of Intracluster Gas [PDF]
, 1996 Recent observational evidence for steep dwarf galaxy luminosity functions in several rich clusters has led to speculation that their precursors may be the source of the majority of gas and metals inferred from intracluster medium (ICM) x-ray observations.
Arimoto N. +28 more
core +3 more sources
Deep photometry of the Draco dwarf spheroidal galaxy [PDF]
The Astronomical Journal, 1986 We report the results of deep CCD photometry of two overlapping fields in the Draco dwarf spheroidal galaxy. We find (B-V)o,g = m0.69, indicating a mean [Fe/H] = −2.0. The width of the giant branch below the horizontal branch is somewhat wider than our observational errors permit, from which we infer there is a spread in metallicities amongst the Draco
Bruce W. Carney, P. Seitzer
openaire +1 more source
Implications and Applications of Kinematic Galaxy Scaling Relations
International Scholarly Research Notices, Volume 2012, Issue 1, 2012., 2012 Galaxy scaling relations, which describe a connection between ostensibly unrelated physical characteristics, testify to an underlying order in galaxy formation that requires understanding. I review the development of a scaling relation that (1) unites the well‐known fundamental plane (FP) relation of giant elliptical galaxies and Tully‐Fisher (TF ...
Dennis Zaritsky +2 more
wiley +1 more source
Dwarf spheroidal galaxy kinematics and spiral galaxy scaling laws [PDF]
Monthly Notices of the Royal Astronomical Society, 2011 Los estudios cinemáticos de los satélites esferoidales enanos (dSph) de la Vía Láctea están revelando indicios tentadores sobre la estructura de los halos de materia oscura (DM) en el extremo de baja masa de la función de luminosidad de la galaxia. En el extremo brillante, el modelado de galaxias espirales ha demostrado que sus curvas de rotación son ...
Paolo Salucci +7 more
openaire +3 more sources
An Analytical Galactic Chemical Evolution Model with Gas Inflow and a Terminal Wind
The Astrophysical JournalWe present a new analytical galactic chemical evolution (GCE) model with gas inflow, internally caused outflow, and extra gas loss after a period of time. The latter mimics the ram pressure stripping of a dwarf satellite galaxy near the pericenter of its
Kateryna A. Kvasova, Evan N. Kirby
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
Whiting 1: Confirmation of its accretion by the Milky Way
EPJ Web of Conferences, 2017 We investigate the association of Whiting 1 with the Sagittarius tidal stream by obtaining radial velocities for a sample of 101 stars observed with VIMOS.
Carballo-Bello Julio A. +6 more
doaj +1 more source