19.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
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497 papers · 1 filter
Fundamental Vibrational Transition of CO during the Outburst of EX Lupi in 2008
M. Goto, Zs. Regály, C. P. Dullemond +16
We report monitoring observations of the T Tauri star EX Lupi during its outburst in 2008 in the CO fundamental band at 4.6-5.0 um. The observations were carried out at the VLT and…
A much lower density for the transiting extrasolar planet WASP-7
John Southworth, M. Dominik, U. G. Jorgensen +29
We present the first high-precision photometry of the transiting extrasolar planetary system WASP-7, obtained using telescope defocussing techniques and reaching a scatter of 0.68…
Qatar-1b: a hot Jupiter orbiting a metal-rich K dwarf star
K. A. Alsubai, N. R. Parley, D. M. Bramich +18
We report the discovery and initial characterisation of Qatar-1b, a hot Jupiter orbiting a metal-rich K dwarf star, the first planet discovered by the Alsubai Project exoplanet tra…
HerMES: SPIRE/Sub-millimetre Emission from Radio Selected AGN
N. Seymour, M. Symeonidis, M. Page +1
We examine the rest-frame far-infrared emission from powerful radio sources with 1.4GHz luminosity densities of 25<=log(L_1.4/WHz^-1)<=26.5 in the extragalactic Spitzer First Look…
The subgiant branch of omega Cen seen through high-resolution spectroscopy. I. The first stellar generation in omega Centauri?
E. Pancino, A. Mucciarelli, L. Sbordone +4
We analysed high-resolution UVES spectra of six stars belonging to the subgiant branch of omega Centauri, and derived abundance ratios of 19 chemical elements (namely Al, Ba, C, Ca…
Water in Star-Forming Regions with the Herschel Space Observatory (WISH): Overview of key program and first results
E. F. van Dishoeck, L. E. Kristensen, A. O. Benz +12
`Water In Star-forming regions with Herschel' (WISH) is a key program on the Herschel Space Observatory designed to probe the physical and chemical structure of young stellar objec…
The Submillimeter Array 1.3 mm line survey of Arp 220
S. Martin, M. Krips, J. Martin-Pintado +7
We present the first aperture synthesis unbiased spectral line survey toward an extragalactic object. The survey covered the 40 GHz frequency range between 202 and 242 GHz of the 1…
The lower limits of disc fragmentation and the prospects for observing fragmenting discs
Dimitris Stamatellos, Anaelle Maury, Anthony Whitworth +1
A large fraction of brown dwarfs and low-mass H-burning stars may form by gravitational fragmentation of protostellar discs. We explore the conditions for disc fragmentation and we…
Nuclei of early-type dwarf galaxies: insights from stellar populations
Sanjaya Paudel, Thorsten Lisker, Harald Kuntschner
(Abridged) We present a comprehensive analysis of the spatially resolved stellar population properties of 26 early-type dwarf (dE) galaxies in the Virgo cluster. Using Lick/IDS abs…
The HARPS search for southern extra-solar planets: XXVI: Seven new planetary systems
C. Moutou, M. Mayor, G. Lo Curto +10
We are conducting a planet search survey with HARPS since seven years. The volume-limited stellar sample includes all F2 to M0 main-sequence stars within 57.5 pc, where extrasolar…
Galaxy And Mass Assembly (GAMA): Galaxies at the faint end of the Halpha luminosity function
S. Brough, A. M. Hopkins, R. G. Sharp +30
We present an analysis of the properties of the lowest Halpha-luminosity galaxies (L_Halpha<4x10^32 W; SFR<0.02 Msun/yr) in the Galaxy And Mass Assembly (GAMA) survey. These galaxi…
An optical and HI study of the dwarf Local Group galaxy VV124=UGC4879. A gas-poor dwarf with a stellar disk?
M. Bellazzini, G. Beccari, T. A. Oosterloo +8
We present a detailed study of the dwarf galaxy VV124, recently recognized as a isolated member of the Local Group. We have obtained deep (r=26.5) wide-field g,r photometry of indi…
The jet of the BL Lacertae object PKS 2201+044: MAD near-IR adaptive optics observations and comparison with optical, radio and X-ray data
E. Liuzzo, R. Falomo, A. Treves +14
Relativistic jets are a common feature of radio loud active galactic nuclei. Multifrequency observations are a unique tool to constrain their physics. We report on a detailed study…
The evolution of the Cosmic Microwave Background Temperature: Measurements of TCMB at high redshift from carbon monoxide excitation
P. Noterdaeme, P. Petitjean, R. Srianand +2
A milestone of modern cosmology was the prediction and serendipitous discovery of the Cosmic Microwave Background (CMB), the radiation left over after decoupling from matter in the…
First magnetic field models for recently discovered magnetic beta Cephei and slowly pulsating B stars
S. Hubrig, I. Ilyin, M. Schoeller +3
In spite of recent detections of magnetic fields in a number of beta Cephei and slowly pulsating B (SPB) stars, their impact on stellar rotation, pulsations, and element diffusion…
X-shooter observations of the accreting brown dwarf J053825.4-024241
E. Rigliaco, A. Natta, S. Randich +4
We present the first observations of a probable brown dwarf, obtained with the new spectrograph X-shooter mounted on the UT2@VLT. The target (2MASS J053825.4-024241) is a 0.06 Msun…
Discovery of VVV CL001. A Low-Mass Globular Cluster Next to UKS~1 in the Direction of the Galactic Bulge
D. Minniti, M. Hempel, I. Toledo +15
Context: It is not known how many globular clusters may have been left undetected towards the Galactic bulge. Aims: One of the aims of the VISTA Variables in the Via Lactea (VVV) S…
The sub-mm J=6-5 line of 13CO in Orion
T. L. Wilson, D. Muders, M. Dumke +2
We present a fully sampled map covering the Orion Hot Core and dense molecular ridge, in the sub-millimeter J=6-5 rotational transition of 13CO, at 0.45 mm with a resolution of 13…
Spectroscopy Unveils the Complex Nature of Terzan 5
L. Origlia, R. M. Rich, F. R. Ferraro +6
We present the chemical abundance analysis of 33 red giant stars belonging to the complex stellar system Terzan 5. We confirm the discovery of two stellar populations (Ferraro et a…
Discovery of an Excess of Halpha Emitters around 4C 23.56 at z=2.48
Ichi Tanaka, Carlos De Breuck, Jaron D. Kurk +12
We report the discovery of a significant excess of candidate Halpha emitters (HAEs) in the field of the radio galaxy 4C 23.56 at z=2.483. Using the MOIRCS near-infrared imager on t…
Differential rotation in rapidly rotating early-type stars. I. Motivations for combined spectroscopic and interferometric studies
J. Zorec, Y. Fremat, A. Domiciano de Souza +7
Since the external regions of the envelopes of rapidly rotating early-type stars are unstable to convection, a coupling may exist between the convection and the internal rotation.…
Galaxy clustering in the NEWFIRM Medium Band Survey: the relationship between stellar mass and dark matter halo mass at 1 < z < 2
David A. Wake, Katherine E. Whitaker, Ivo Labbé +8
We present an analysis of the clustering of galaxies as a function of their stellar mass at 1 < z < 2 using data from the NEWFIRM Medium Band Survey (NMBS). The precise photometric…
High Resolution HDS/SUBARU chemical abundances of the young stellar cluster Palomar 1
L. Monaco, I. Saviane, M. Correnti +2
Context. Palomar\,1 is a peculiar globular cluster (GC). It is the youngest Galactic GC and it has been tentatively associated to several of the substructures recently discovered i…
The Atlas3D project -- I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria
Michele Cappellari, Eric Emsellem, Davor Krajnovic +23
The Atlas3D project is a multi-wavelength survey combined with a theoretical modeling effort. The observations span from the radio to the millimeter and optical, and provide multi-…