output
19952026
most citedAstropy: A Community Python Package for Astronomy

14.6k citations

Showing 2015Show all

374 papers · 1 filter

astro-ph.GA2015★ 22 cited

Revealing the Nature of Extreme Coronal-line Emitter SDSS J095209.56+214313.3

Lovro Palaversa, Suvi Gezari, Branimir Sesar +4

Extreme coronal-line emitter (ECLE) SDSSJ095209.56+214313.3, known by its strong, fading, high ionization lines, has been a long standing candidate for a tidal disruption event, ho…

astro-ph.SR2015

Exploring the crowded central region of 10 Galactic globular clusters using EMCCDs. Variable star searches and new discoveries

R. Figuera Jaimes, D. M. Bramich, J. Skottfelt +31

Obtain time-series photometry of the very crowded central regions of Galactic globular clusters with better angular resolution than previously achieved with conventional CCDs on gr…

astro-ph.GA2015★ 14 cited

Reverberation Mapping with Intermediate-Band Photometry: Detection of Broad-Line H Time Lags for Quasars at

Linhua Jiang, Yue Shen, Ian D. McGreer +3

We present a reverberation mapping (RM) experiment that combines broad- and intermediate-band photometry; it is the first such attempt targeting a sample of 13 quasars at $0.2<z<0.…

astro-ph.EP2015★ 40 cited

Pan-Planets: Searching for hot Jupiters around cool dwarfs

C. Obermeier, J. Koppenhoefer, R. P. Saglia +18

The Pan-Planets survey observed an area of 42 sq deg. in the galactic disk for about 165 hours. The main scientific goal of the project is the detection of transiting planets aroun…

astro-ph.GA2015★ 13 cited

Evidence of Fanning in the Ophiuchus Stream

B. Sesar, A. M. Price-Whelan, J. G. Cohen +11

The Ophiuchus stellar stream presents a dynamical puzzle: its old stellar populations ( Gyr) cannot be reconciled with (1) its orbit in a simple model for the Milky Way po…

astro-ph.GA2015★ 20 cited

Satellite accretion in action: a tidally disrupting dwarf spheroidal around the nearby spiral galaxy NGC 253

Aaron J. Romanowsky, D. Martinez-Delgado, Nicolas F. Martin +7

We report the discovery of NGC 253-dw2, a dwarf spheroidal (dSph) galaxy candidate undergoing tidal disruption around a nearby spiral galaxy, NGC 253 in the Sculptor group: the fir…

astro-ph.SR2015★ 16 cited

Absence of Significant Cool Disks in Young Stellar Objects Exhibiting Repetitive Optical Outbursts

Hauyu Baobab Liu, Roberto Galván-Madrid, Eduard I. Vorobyov +10

We report Submillimeter Array (SMA) 1.3 mm high angular resolution observations towards the four EXor type outbursting young stellar objects (YSOs) VY Tau, V1118 Ori, V1143 Ori, an…

astro-ph.SR2015★ 27 cited

Orbits in the T Tauri triple system observed with SPHERE

R. Köhler, M. Kasper, T. M. Herbst +2

We present new astrometric measurements of the components in the T Tauri system, and derive new orbits and masses. T Tauri was observed during the science verification time of the…

astro-ph.GA2015★ 199 cited

A multi-wavelength analysis for interferometric (sub-)mm observations of protoplanetary disks: radial constraints on the dust properties and the disk structure

M. Tazzari, L. Testi, B. Ercolano +20

Theoretical models of grain growth predict dust properties to change as a function of protoplanetary disk radius, mass, age and other physical conditions. We lay down the methodolo…

astro-ph.SR2015★ 32 cited

Detection of Sharp Symmetric Features in the Circumbinary Disk Around AK Sco

Markus Janson, Christian Thalmann, Anthony Boccaletti +11

The Search for Planets Orbiting Two Stars (SPOTS) survey aims to study the formation and distribution of planets in binary systems by detecting and characterizing circumbinary plan…

astro-ph.GA2015★ 13 cited

The circum-galactic medium of quasars: CIV absorption systems

M. Landoni, R. Falomo, A. Treves +2

We investigate the properties of the circumgalactic gas in the halo of quasar host galaxies from CIV absorption line systems. Optical spectroscopy of closely aligned pairs of quasa…

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…

astro-ph.GA2015★ 18 cited

Mid-J CO shock tracing observations of infrared dark clouds II Low-J CO constraints on excitation, depletion, and kinematics

A. Pon, D. Johnstone, P. Caselli +6

Infrared dark clouds are kinematically complex molecular structures in the interstellar medium that can host sites of massive star formation. We present 4 square arcminute maps of…

astro-ph.GA2015★ 36 cited

Origin of the Metallicity Distribution in the Thick Disc

Maider S. Miranda, Kate Pilkington, Brad K. Gibson +9

Aims. Using a suite of cosmological chemodynamical disc galaxy simulations, we assess how (a) radial metallicity gradients evolve with scaleheight; (b) the vertical metallicity gra…

astro-ph.CO2015★ 59 cited

Properties of Resonantly Produced Sterile Neutrino Dark Matter Subhalos

Shunsaku Horiuchi, Brandon Bozek, Kevork N. Abazajian +4

The anomalous 3.55 keV X-ray line recently detected towards a number of massive dark matter objects may be interpreted as the radiative decays of 7.1 keV mass sterile neutrino dark…

astro-ph.GA2015

The first Galaxy scale hunt for the youngest high-mass protostars

T. Csengeri, S. Bontemps, F. Wyrowski +17

The origin of massive stars is a fundamental open issue in modern astrophysics. Pre-ALMA interferometric studies reveal precursors to early B to late O type stars with collapsing e…

astro-ph.GA2015★ 75 cited

Submillimeter-HCN Diagram for an Energy Diagnostics in the Centers of Galaxies

Takuma Izumi, Kotaro Kohno, Susanne Aalto +16

Compiling data from literature and the ALMA archive, we show enhanced HCN(4-3)/HCO(4-3) and/or HCN(4-3)/CS(7-6) integrated intensity ratios in circumnuclear molecular gas aroun…

astro-ph.GA2015★ 26 cited

How galactic environment regulates star formation

Sharon E. Meidt

In a new simple model I reconcile two contradictory views on the factors that determine the rate at which molecular clouds form stars -- internal structure vs. external, environmen…

astro-ph.GA2015★ 74 cited

Feeling the pull, a study of natural Galactic accelerometers. I: photometry of the delicate stellar stream of the Palomar 5 globular cluster

Rodrigo A. Ibata, Geraint F. Lewis, Nicolas F. Martin

We present an analysis of wide-field photometric surveys of the Palomar 5 globular cluster and its stellar stream, based on g- and r-band measures together with narrow-band DDO51 p…

astro-ph.IM2015★ 126 cited

The Mid-Infrared Instrument for the James Webb Space Telescope: IV. The Low Resolution Spectrometer

S. Kendrew, S. Scheithauer, P. Bouchet +13

The Low Resolution Spectrometer of the MIRI, which forms part of the imager module, will provide R~100 long-slit and slitless spectroscopy from 5 to 12 micron. The design is optimi…

astro-ph.GA2015★ 44 cited

The Transverse velocity of the Andromeda system, derived from the M31 satellite population

J. -B. Salomon, R. A. Ibata, B. Famaey +2

We present a dynamical measurement of the tangential motion of the Andromeda system, the ensemble consisting of the Andromeda Galaxy (M31) and its satellites. The system is modelle…

astro-ph.GA2015★ 19 cited

The history of stellar metallicity in a simulated disc galaxy

O. N. Snaith, J. Bailin, B. K. Gibson +5

We explore the chemical distribution of stars in a simulated galaxy. Using simulations of the same initial conditions but with two different feedback schemes (MUGS and MaGICC), we…

astro-ph.IM2015★ 85 cited

A Package for the Automated Classification of Periodic Variable Stars

Dae-Won Kim, Coryn A. L. Bailer-Jones

We present a machine learning package for the classification of periodic variable stars. Our package is intended to be general: it can classify any single band optical light curve…

astro-ph.GA2015★ 101 cited

The Musca cloud: A 6 pc-long velocity-coherent, sonic filament

A. Hacar, J. Kainulainen, M. Tafalla +2

Filaments play a central role in the molecular clouds' evolution, but their internal dynamical properties remain poorly characterized. To further explore the physical state of thes…