8.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Leiden Observatory3.6k papers
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252 papers · 2 filters
The large and small scale properties of the intergalactic gas in the Slug Ly-alpha nebula revealed by MUSE HeII emission observations
Sebastiano Cantalupo, Gabriele Pezzulli, Simon J. Lilly +11
With a projected size of about 450 kpc at z~2.3, the Slug Ly-alpha nebula is a rare laboratory to study, in emission, the properties of the intergalactic gas in the Cosmic Web. Sin…
84-GHz methanol masers, their relationship to 36-GHz methanol masers and their molecular environments
Shari Breen, Yanett Contreras, Joanne Dawson +3
We present observations of the 36- (4_-1 -> 3_0E) and 84-GHz (5_-1 -> 4_0 E) class I methanol maser transitions towards a sample of 94 known class I sites. These observations resul…
The Fornax 3D project: dust mix and gas properties in the center of early-type galaxy FCC 167
S. Viaene, M. Sarzi, N. Zabel +15
Galaxies continuously reprocess their interstellar material. One can therefore expect changing dust grain properties in galaxies which have followed different evolutionary pathways…
The main sequence of star forming galaxies I. The local relation and its bending
P. Popesso, A. Concas, L. Morselli +11
By using a set of different SFR indicators, including WISE mid-infrared and Halpha emission, we study the slope of the Main Sequence (MS) of local star forming galaxies at stellar…
Resolved galaxy scaling relations in the EAGLE simulation: star formation, metallicity and stellar mass on kpc scales
James W. Trayford, Joop Schaye
We explore scaling relations between the physical properties of spatially resolved regions within the galaxies that emerge in the Evolution and Assembly of GaLaxies and their Envir…
On the Lack of Correlation Between [OIII]/[OII] and Lyman-Continuum Escape Fraction
R. Bassett, E. V. Ryan-Weber, J. Cooke +9
We present the first results of our pilot study of 8 photometrically selected Lyman continuum (LyC) emitting galaxy candidates from the COSMOS field and focus on their optical emis…
The VLA-COSMOS 3 GHz Large Project: Average radio spectral energy distribution of highly star-forming galaxies
K. Tisanić, V. Smolčić, J. Delhaize +7
We construct the average radio spectral energy distribution (SED) of highly star-forming galaxies (HSFGs) up to z~4. Infrared and radio luminosities are bound by a tight correlatio…
White dwarfs in the building blocks of the Galactic spheroid
Pim van Oirschot, Gijs Nelemans, Else Starkenburg +3
The galactic halo likely grew over time in part by assembling smaller galaxies, the so-called building blocks. We investigate if the properties of these building blocks are reflect…
Space Telescope and Optical Reverberation Mapping Project. X. Understanding the Absorption-Line Holiday in NGC 5548
M. Dehghanian, G. J. Ferland, G. A. Kriss +27
The flux variations in the emission lines in active galactic nuclei (AGNs) are driven by variations in the ionizing continuum flux --which are usually reflected in the observable U…
An Older, More Quiescent Universe from Panchromatic SED Fitting of the 3D-HST Survey
Joel Leja, Benjamin D. Johnson, Charlie Conroy +8
Galaxy observations are influenced by many physical parameters: stellar masses, star formation rates (SFRs), star formation histories (SFHs), metallicities, dust, black hole activi…
The MUSE-Wide Survey: A determination of the Lyman emitter luminosity function at
Edmund Christian Herenz, Lutz Wisotzki, Rikke Saust +11
(Abridged) We investigate the Lyman emitter luminosity function (LAE LF) within the redshift range from the first instalment of the blind integral field spe…
Galaxy and Quasar Fueling Caught in the Act from the Intragroup to the Interstellar Medium
Sean D. Johnson, Hsiao-Wen Chen, Lorrie A. Straka +11
We report the discovery of six spatially extended (10-100 kpc) line-emitting nebulae in the z=0.57 galaxy group hosting PKS0405-123, one of the most luminous quasars at z<1. The di…
Micro-arcsecond structure of Sagittarius A* revealed by high-sensitivity 86 GHz VLBI observations
Christiaan D. Brinkerink, Cornelia Müller, Heino D. Falcke +21
The compact radio source Sagittarius~A (Sgr~A)in the Galactic Center is the primary supermassive black hole candidate. General relativistic magnetohydrodynamical (GRMHD) si…
LoTSS DR1: Double-double radio galaxies in the HETDEX field
V. H. Mahatma, M. J. Hardcastle, W. L. Williams +19
Double-double radio galaxies (DDRGs) represent a short but unique phase in the life-cycle of some of the most powerful radio-loud active galactic nuclei (RLAGN). These galaxies dis…
The first detection of radio recombination lines at cosmological distances
K. L. Emig, P. Salas, F. de Gasperin +4
Recombination lines involving high principal quantum numbers populate the radio spectrum in large numbers. Low-frequency (<1 GHz) observations of radio recombination lines (RRLs) p…
The environments of radio-loud AGN from the LOFAR Two-Metre Sky Survey (LoTSS)
J. H. Croston, M. J. Hardcastle, B. Mingo +13
An understanding of the relationship between radio-loud active galaxies and their large-scale environments is essential for realistic modelling of radio-galaxy evolution and enviro…
Radio-loud AGN in the first LoTSS data release: The lifetimes and environmental impact of jet-driven sources
M. J. Hardcastle, W. L. Williams, P. N. Best +20
We constructed a sample of 23,344 radio-loud active galactic nuclei (RLAGN) from the catalogue derived from the LOFAR Two-Metre Sky Survey (LoTSS) survey of the HETDEX Spring field…
LOFAR observations of the XMM-LSS field
C. L. Hale, W. Williams, M. J. Jarvis +12
We present observations of the XMM Large-Scale Structure (XMM-LSS) field observed with the LOw Frequency ARray (LOFAR) at 120-168 MHz. Centred at a J2000 declination of $-4.5^{\cir…
LoTSS/HETDEX: Optical quasars I. Low-frequency radio properties of optically selected quasars
Gülay Gürkan, Martin Hardcastle, Philip Best +17
The radio-loud/radio-quiet (RL/RQ) dichotomy in quasars is still an open question. Although it is thought that accretion onto supermassive black holes in the centre the host galaxi…
LoTSS/HETDEX: Disentangling star formation and AGN activity in gravitationally-lensed radio-quiet quasars
H. R. Stacey, J. P. McKean, N. J. Jackson +15
Determining the star-forming properties of radio-quiet quasars is important for understanding the co-evolution of star formation and black hole accretion. Here, we present the dete…
The origin of radio emission in broad absorption line quasars: Results from the LOFAR Two-metre Sky Survey
L. K. Morabito, J. H. Matthews, P. N. Best +14
We present a study of the low-frequency radio properties of broad absorption line quasars (BALQSOs) from the LOFAR Two-metre Sky-Survey Data Release 1 (LDR1). The value-added LDR1…
Evolutionary phases of merging clusters as seen by LOFAR
Amanda Wilber, Marcus Brüggen, Annalisa Bonafede +13
Massive, merging galaxy clusters often host giant, diffuse radio sources that arise from shocks and turbulence; hence, radio observations can be useful for determining the merger s…
The LOFAR Two-metre Sky Survey IV. First Data Release: Photometric redshifts and rest-frame magnitudes
Kenneth J Duncan, J. Sabater, H. J. A. Röttgering +24
The LOFAR Two-metre Sky Survey (LoTSS) is a sensitive, high-resolution 120-168 MHz survey of the Northern sky. The LoTSS First Data Release (DR1) presents 424 square degrees of rad…
The LOFAR Two-metre Sky Survey (LoTSS) III. First Data Release: optical/IR identifications and value-added catalogue
W. L. Williams, M. J. Hardcastle, P. N. Best +38
The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing sensitive, high-resolution 120-168 MHz survey of the Northern sky with diverse and ambitious science goals. Many of the scienti…