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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503 papers · 1 filter
The Planetary Nebulae Population in the Nuclear Regions of M31: the SAURON view
Nicola Pastorello, Marc Sarzi, Michele Cappellari +5
Following a first study of the central regions of M32 that illustrated the power of integral-field spectroscopy (IFS) in detecting and measuring the [O III]λ5007 emission of PNe ag…
Unveiling a network of parallel filaments in the Infrared Dark Cloud G14.225-0.506
Gemma Busquet, Qizhou Zhang, Aina Palau +10
We present the results of combined NH3(1,1) and (2,2) line emission observed with the Very Large Array and the Effelsberg 100m telescope of the Infrared Dark Cloud G14.225-0.506. T…
The thermal state of molecular clouds in the Galactic Center: evidence for non-photon-driven heating
Y. Ao, C. Henkel, K. M. Menten +6
We used the Atacama Pathfinder Experiment (APEX) 12 m telescope to observe the J_KaKc=3_03-2_02, 3_22-2_21, and 3_21-2_20 transitions of para-H_2CO at 218 GHz simultaneously to det…
Dynamical age differences among coeval star clusters as revealed by blue stragglers
F. R. Ferraro, B. Lanzoni, E. Dalessandro +11
Globular star clusters that formed at the same cosmic time may have evolved rather differently from a dynamical point of view (because that evolution depends on the internal enviro…
Late Spectral Evolution of the Ejecta and Reverse Shock in SN1987A
Claes Fransson, Josefin Larsson, Jason Spyromilio +10
We present observations with VLT and HST of the broad emission lines from the inner ejecta and reverse shock of SN 1987A from 1999 until 2012 (days 4381 -- 9100 after explosion). W…
The anatomy of an extreme starburst within 1.3Gyr of the Big Bang revealed by ALMA
C. L. Carilli, D. Riechers, F. Walter +5
We present further analysis of the [CII] 158m fine structure line and thermal dust continuum emission from the archetype extreme starburst/AGN group of galaxies in the early Uni…
Neutral and ionized gas around the post-Red Supergiant IRC+10420 at au size scales
Rene Oudmaijer, Willem-Jan de Wit
IRC +10420 is one of the few known massive stars in rapid transition from the Red Supergiant phase to the Wolf-Rayet or Luminous Blue Variable phase. The star has an ionised wind a…
The outflow history of two Herbig-Haro jets in RCW 36: HH 1042 and HH 1043
L. E. Ellerbroek, L. Podio, L. Kaper +4
Jets around low- and intermediate-mass young stellar objects (YSOs) contain a fossil record of the recent accretion and outflow activity of their parent star-forming systems. We ai…
Planck Intermediate Results. XI: The gas content of dark matter halos: the Sunyaev-Zeldovich-stellar mass relation for locally brightest galaxies
Planck Collaboration, P. A. R. Ade, N. Aghanim +194
We present the scaling relation between Sunyaev-Zeldovich (SZ) signal and stellar mass for almost 260,000 locally brightest galaxies (LBGs) selected from the Sloan Digital Sky Surv…
EXSdetect: an end-to-end software for extended source detection in X-ray images: application to Swift-XRT data
Teng Liu, Paolo Tozzi, Elena Tundo +4
Aims. We present a stand-alone software (named EXSdetect) for the detection of extended sources in X-ray images. Our goal is to provide a flexible tool capable of detecting extende…
Centauri A in the far infrared
R. Liseau, B. Montesinos, G. Olofsson +15
Chromospheres and coronae are common phenomena on solar-type stars. Understanding the energy transfer to these heated atmospheric layers requires direct access to the relevant empi…
CLASH: The enhanced lensing efficiency of the highly elongated merging cluster MACS J0416.1-2403
A. Zitrin, M. Meneghetti, K. Umetsu +21
We perform a strong-lensing analysis of the merging galaxy cluster MACS J0416.1-2403 (M0416; z=0.42) in recent CLASH/HST observations. We identify 70 new multiple images and candid…
Triggered/sequential star formation? A multi-phase ISM study around the prominent IRDC G18.93-0.03
J. Tackenberg, H. Beuther, R. Plume +5
G18.93-0.03 is a prominent dust complex within an 0.8deg long filament, with the molecular clump G18.93/m being IR dark from near IR wavelength up to 160mu. Spitzer composite image…
Gas and Dust Absorption in the DoAr 24E System
Andrew J. Kruger, Matthew J. Richter, Andreas Seifahrt +4
We present findings for DoAr 24E, a binary system that includes a classical infrared companion. We observed the DoAr 24E system with the Spitzer Infrared Spectrograph (IRS), with h…
Spectropolarimetry of the Type Ia SN 2007sr Two Months After Maximum Light
P. Zelaya, J. R. Quinn, D. Baade +6
We present late time spectropolarimetric observations of SN 2007sr, obtained with the VLT telescope at ESO Paranal Observatory when the object was 63 days after maximum light. The…
Limits on intermediate-mass black holes in six Galactic globular clusters with integral-field spectroscopy
Nora Lützgendorf, Markus Kissler-Patig, Karl Gebhardt +6
The formation of supermassive black holes at high redshift still remains a puzzle to astronomers. Their growth becomes reasonable only when starting from a massive seed black hole…
MegaMorph - multi-wavelength measurement of galaxy structure: complete Sérsic profile information from modern surveys
Boris Häußler, Steven P. Bamford, Marina Vika +13
In this paper, we demonstrate a new method for fitting galaxy profiles which makes use of the full multi-wavelength data provided by modern large optical-near-infrared imaging surv…
The ATLAS 3D project - XVI. Physical parameters and spectral line energy distributions of the molecular gas in gas-rich early-type galaxies
Estelle Bayet, Martin Bureau, Timothy A. Davis +22
[Abridged] We present a detailed study of the physical properties of the molecular gas in a sample of 18 molecular gas-rich early-type galaxies (ETGs) from the ATLAS$ 3D sample. Ou…
Piecing together the puzzle of NGC 5253: abundances, kinematics and WR stars
M. S. Westmoquette, B. James, A. Monreal-Ibero +1
We present Gemini-S/GMOS-IFU optical spectroscopy of four regions near the centre of the nearby (3.8 Mpc) dwarf starburst galaxy NGC 5253. This galaxy is famous for hosting a radio…
The ATLAS3D project - XXII. Low-efficiency star formation in early-type galaxies: hydrodynamic models and observations
Marie Martig, Alison F. Crocker, Frederic Bournaud +27
We study the global efficiency of star formation in high resolution hydrodynamical simulations of gas discs embedded in isolated early-type and spiral galaxies. Despite using a uni…
MOA-2010-BLG-073L: An M-Dwarf with a Substellar Companion at the Planet/Brown Dwarf Boundary
R. A. Street, J. -Y. Choi, Y. Tsapras +129
We present an analysis of the anomalous microlensing event, MOA-2010-BLG-073, announced by the Microlensing Observations in Astrophysics survey on 2010-03-18. This event was remark…
The ESPRI project: astrometric exoplanet search with PRIMA I. Instrument description and performance of first light observations
J. Sahlmann, T. Henning, D. Queloz +42
The ESPRI project relies on the astrometric capabilities offered by the PRIMA facility of the Very Large Telescope Interferometer for the discovery and study of planetary systems.…
Coronagraphic observations of Fomalhaut at solar system scales
M. A. Kenworthy, T. Meshkat, S. P. Quanz +3
We report on a search for low mass companions within 10 AU of the star Fomalhaut, using narrow band observations at 4.05 microns obtained with the Apodizing Phase Plate (APP) coron…
The intriguing life of star-forming galaxies in the redshift range 1 < z < 2 using MASSIV
P. Amram, C. Lopez-Sanjuan, B. Epinat +13
MASSIV (Massiv Assembly Survey with SINFONI in VVDS) is an ESO large program which consists of 84 star-forming galaxies, spanning in a wide range of stellar masses, observed with t…