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The Fourteenth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the Extended Baryon Oscillation Spectroscopic Survey and from the Second Phase of the Apache Point
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) has been in operation since 2014 July. This paper describes the second data release from this phase, and the 14th from SDSS overall
Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies and the Distant Universe
We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing
The 13th Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-IV Survey Mapping Nearby Galaxies at Apache Point Observatory
The fourth generation of the Sloan Digital Sky Survey (SDSS-IV) began observations in 2014 July. It pursues three core programs: the Apache Point Observatory Galactic Evolution Experiment 2
The SDSS-IV extended baryon oscillation spectroscopic survey: Overview and early data
In a six-year program started in 2014 July, the Extended Baryon Oscillation Spectroscopic Survey (eBOSS) will conduct novel cosmological observations using the BOSS spectrograph at Apache Point
Numerical Stability of a Family of Osipkov-Merritt Models
We have investigated the stability of a set of nonrotating anisotropic spherical models with a phase-space distribution function of the Osipkov-Merritt type. The velocity distribution in these models
The extended Baryon Oscillation Spectroscopic Survey: a cosmological forecast
We present a science forecast for the extended Baryon Oscillation Spectroscopic Survey (eBOSS) survey. Focusing on discrete tracers, we forecast the expected accuracy of the baryonic acoustic
The limits of bound structures in the accelerating Universe
According to the latest evidence, the Universe is entering an era of exponential expansion, where gravitationally bound structures will get disconnected from each other, forming isolated 'island
Accretion relics in the solar neighbourhood : Debris from ωCen's parent galaxy
We use numerical simulations to investigate the orbital characteristics of tidal debris from satellites whose orbits are dragged into the plane of galact ic disks by dynamical friction before
On the Nature of the Ringlike Structure in the Outer Galactic Disk
We examine the tidal disruption of satellite galaxies in a cosmological simulation of the formation of a disk galaxy in the Λ cold dark matter scenario. We find that the disruption of satellite
Future evolution of bound superclusters in an accelerating Universe
The evolution of marginally bound supercluster-like objects in an acceleratingcold dark matter (� CDM) Universe is followed, by means of cosmological simulations, from the present time to an
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