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19932026
most citedThe Seventh Data Release of the Sloan Digital Sky Survey

5.4k citations

Showing 2015Show all

103 papers · 1 filter

physics.chem-ph2015

Computationally Designed Zirconium Organometallic Catalyst for Direct Epoxidation of Alkenes without Allylic H Atoms: Aromatic Linkage Eliminates Formation of Inert Octahedral Complexes

Bo Yang, Thomas A. Manz

We used density functional theory to computationally design a Zr organometallic catalyst for selectively oxidizing substrates using molecular oxygen as oxidant without coreductant.…

astro-ph.EP2015★ 43 cited

Neptune's Dynamic Atmosphere from Kepler K2 Observations: Implications for Brown Dwarf Light Curve Analyses

Amy A. Simon, Jason F. Rowe, Patrick Gaulme +9

Observations of Neptune with the Kepler Space Telescope yield a 49-day light curve with 98% coverage at a 1-minute cadence. A significant signature in the light curve comes from di…

q-bio.CB2015★ 10 cited

A discrete in continuous mathematical model of cardiac progenitor cells formation and growth as spheroid clusters (Cardiospheres)

Ezio Di Costanzo, Alessandro Giacomello, Elisa Messina +5

We propose a discrete in continuous mathematical model describing the in vitro growth process of biophsy-derived mammalian cardiac progenitor cells growing as clusters in the form…

astro-ph.GA2015★ 73 cited

APOGEE Kinematics I: Overview of the Kinematics of the Galactic Bulge as Mapped by APOGEE

M. Ness, G. Zasowski, J. A. Johnson +12

We present the stellar kinematics across the Galactic bulge and into the disk at positive longitudes from the SDSS-III APOGEE spectroscopic survey of the Milky Way. APOGEE includes…

math.AP2015★ 6 cited

The onset of layer undulations in smectic A liquid crystals due to a strong magnetic field

A. Contreras, C. García-Azpeitia, C. J. García-Cervera +1

We investigate the effect of a strong magnetic field on a three dimensional smectic A liquid crystal. We identify a critical field above which the uniform layered state loses stabi…

astro-ph.GA2015★ 110 cited

IN-SYNC IV - The Young Stellar Population in the Orion A Molecular Cloud

Nicola Da Rio, Jonathan C. Tan, Kevin R. Covey +14

We present the results of the SDSS APOGEE INfrared Spectroscopy of Young Nebulous Clusters program (IN-SYNC) survey of the Orion A molecular cloud. This survey obtained high resolu…

nucl-ex2015★ 56 cited

First Online Mass Measurements of Isobar Chains via Multi-Reflection Time-of-Flight Mass Spectrograph Coupled with GARIS-II

P. Schury, M. Wada, Y. Ito +16

Using a mulit-reflection time-of-flight mass spectrograph (MRTOF-MS) located after a gas cell coupled with the gas-filled recoil ion separator GARIS-II, the masses of several heavy…

physics.ed-ph2015★ 6 cited

Student facility with ratio and proportion: Mapping the reasoning space in introductory physics

Andrew Boudreaux, Stephen Kanim, Suzanne Brahmia

Six specific modes of reasoning about ratio and proportion have been delineated as a means of operationalizing expert practice. These modes stem from consideration of how physicist…

astro-ph.SR2015★ 14 cited

Direct Detection of the L-Dwarf Donor in WZ Sagittae

Thomas E. Harrison

Analysis of a large set of phase-resolved -band spectra of the cataclysmic variable WZ Sge shows that the secondary star of this system appears to be an L-dwarf. Previous -ba…

astro-ph.GA2015★ 52 cited

CHANG-ES VI: Probing Supernova Energy Deposition in Spiral Galaxies Through Multi-Wavelength Relationships

Jiang-Tao Li, Rainer Beck, Ralf-Jurgen Dettmar +13

How a galaxy regulates its SNe energy into different interstellar/circumgalactic medium components strongly affects galaxy evolution. Based on the JVLA D-configuration C- (6 GHz) a…

astro-ph.GA2015★ 9 cited

Polar-bulge galaxies

V. P. Reshetnikov, S. S. Savchenko, A. V. Mosenkov +2

Based on SDSS data, we have selected a sample of nine edge-on spiral galaxies with bulges whose major axes show a high inclination to the disk plane. Such objects are called polar-…

astro-ph.GA2015★ 66 cited

Determining Ages of APOGEE Giants with Known Distances

Diane K Feuillet, Jo Bovy, Jon Holtzman +4

We present a sample of local red giant stars observed using the New Mexico State University 1 m telescope with the APOGEE spectrograph, for which we estimate stellar ages and the a…

astro-ph.GA2015★ 90 cited

The Azimuthal Dependence of Outflows and Accretion Detected Using OVI Absorption

Glenn G. Kacprzak, Sowgat Muzahid, Christopher W. Churchill +2

We report a bimodality in the azimuthal angle () distribution of gas around galaxies traced by OVI absorption. We present the mean probability distribution function of 29 HS…

astro-ph.SR2015★ 48 cited

Prediction of Solar Flare Size and Time-to-Flare Using Support Vector Machine Regression

Laura E. Boucheron, Amani Al-Ghraibah, R. T. James McAteer

We study the prediction of solar flare size and time-to-flare using 38 features describing magnetic complexity of the photospheric magnetic field. This work uses support vector reg…

astro-ph.CO2015★ 34 cited

MultiDarkLens Simulations: weak lensing light-cones and data base presentation

Carlo Giocoli, Eric Jullo, R. Benton Metcalf +10

In this paper we present a large database of weak lensing light cones constructed using different snapshots from the Big MultiDark simulation (BigMDPL). The ray-tracing through dif…

astro-ph.GA2015★ 91 cited

Imprints of radial migration on the Milky Way's metallicity distribution functions

Sarah R. Loebman, Victor P. Debattista, David L. Nidever +5

Recent analysis of the SDSS-III/APOGEE Data Release 12 stellar catalogue has revealed that the Milky Way's metallicity distribution function (MDF) changes shape as a function of ra…

cs.AI2015★ 14 cited

An Action Language for Multi-Agent Domains: Foundations

Chitta Baral, Gregory Gelfond, Enrico Pontelli +1

In multi-agent domains (MADs), an agent's action may not just change the world and the agent's knowledge and beliefs about the world, but also may change other agents' knowledge an…

astro-ph.SR2015★ 734 cited

ASPCAP: The Apogee Stellar Parameter and Chemical Abundances Pipeline

Ana E. García Pérez, Carlos Allende Prieto, Jon A. Holtzman +27

The Apache Point Observatory Galactic Evolution Experiment (APOGEE) has built the largest moderately high-resolution (R=22, 500) spectroscopic map of the stars across the Milky Way…

astro-ph.IM2015★ 37 cited

Giant Planet Observations with the James Webb Space Telescope

James Norwood, Julianne Moses, Leigh N. Fletcher +8

This white paper examines the benefit of the upcoming James Webb Space Telescope for studies of the Solar System's four giant planets: Jupiter, Saturn, Uranus, and Neptune. JWST's…

astro-ph.CO2015★ 3 cited

SDSS-III Baryon Oscillation Spectroscopic Survey Data Release 12: galaxy target selection and large scale structure catalogues

Beth Reid, Shirley Ho, Nikhil Padmanabhan +39

The Baryon Oscillation Spectroscopic Survey (BOSS), part of the Sloan Digital Sky Survey (SDSS) III project, has provided the largest survey of galaxy redshifts available to date,…

physics.bio-ph2015★ 75 cited

Comment on "Stress induction in the bacteria Shewanella oneidensis and Deinococcus radiodurans in response to below-background ionizing radiation", Castillo, et al. Int. J. Rad. Biol., 2015; Early Online DOI:10.3109/09553002.2015.1062571

J. I. Katz

Castillo, et al. report hormesis by background levels of radiation, at which there is ionization per bacterium in a replication time. This suggests radiation products a…

hep-ph2015★ 14 cited

Transverse Force on Quarks in DIS

Matthias Burkardt

Generalized Parton Distributions (GPDs) provide information on the distribution of quarks in impact paarmeter space. For transversely polarized nucleons, these impact parameter dis…

astro-ph.CO2015★ 58 cited

Simulating the 21-cm signal from reionisation including non-linear ionisations and inhomogeneous recombinations

Sultan Hassan, Romeel Davé, Kristian Finlator +1

We explore the impact of incorporating physically motivated ionisation and recombination rates on the history and topology of cosmic reionisation, by incorporating inputs from smal…

astro-ph.GA2015★ 131 cited

The Sloan Digital Sky Survey Reverberation Mapping Project: First Broad-line Hbeta and MgII Lags at z>~0.3 from six-Month Spectroscopy

Yue Shen, Keith Horne, C. J. Grier +26

Reverberation mapping (RM) measurements of broad-line region (BLR) lags in z>0.3 quasars are important for directly measuring black hole masses in these distant objects, but so far…