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Research topics

Large scale structure and cosmology


Interstellar matter and star formation

Stars and planetary systems

Computational astrophysics

High energy astrophysics

Laboratory astrophysics and astrochemistry


History of science


Recent publications by Leiden Astronomers

(20 most recent)
arXiv:1409.7394v1 [pdf]
Title:A resolved, au-scale gas disk around the B[e] star HD 50138
Authors: L. E. Ellerbroek, M. Benisty, S. Kraus, K. Perraut, J. Kluska, J. B. le Bouquin, M. Borges Fernandes, A. Domiciano de Souza, K. M. Maaskant, L. Kaper, F. Tramper, D. Mourard, I. Tallon-Bosc, T. ten Brummelaar, M. L. Sitko, D. K. Lynch, R. W. Russell
Comments: 19 pages, 12 images. Accepted for publication in Astronomy & Astrophysics
Subjects: astro-ph.SR
arXiv:1409.7143v1 [pdf]
Title:ALMA Observations of the IRDC Clump G34.43+00.24 MM3: 278 GHz Class I Methanol Masers
Authors: Takahiro Yanagida,..., Kenji Furuya, Yuri Aikawa, Satoshi Yamamoto
Comments: 15 pages, 4 figures, accepted to ApJL
Subjects: astro-ph.SR
arXiv:1409.7123v1 [pdf]
Title:[CII] 158 $Îź$m Emission as a Star Formation Tracer
Authors: R. Herrera-Camus,..., B. R. Brandl, ..., P. Beirao
Comments: 25 pages, 14 figures, accepted for publication in ApJ
Subjects: astro-ph.GA, astro-ph.CO
arXiv:1409.6473v1 [pdf]
Title:Water in Low-Mass Star-Forming Regions with Herschel: The Link Between Water Gas and Ice in Protostellar Envelopes
Authors: M. Schmalzl, R. Visser, C. Walsh, T. Albertsson, E. F. van Dishoeck, L. E. Kristensen, J. C. Mottram
Comments: accepted for publication in A&A
Subjects: astro-ph.GA, astro-ph.SR
arXiv:1409.5903v1 [pdf]
Title:The Vela Pulsar With an Active Fallback Disk
Authors: Gökçe Özsükan, K. Yavuz Ek?i, Valeri Hambaryan, Ralph Neuhäuser, Markus M. Hohle, Christian Ginski, Klaus Werner
Comments: ApJ accepted, 18 pages, 4 figures
Subjects: astro-ph.HE
arXiv:1409.5704v1 [pdf]
Title:Water in star-forming regions with Herschel (WISH) V. The physical conditions in low-mass protostellar outflows revealed by multi-transition water observations
Authors: J. C. Mottram, L. E. Kristensen, E. F. van Dishoeck, S. Bruderer, I. San José-García, A. Karska, R. Visser, G. Santangelo, A. O. Benz, E. A. Bergin, P. Caselli, F. Herpin, M. R. Hogerheijde, D. Johnstone, T. A. van Kempen, R. Liseau, B. Nisini, M. Tafalla, F. F. S. van der Tak, F. Wyrowski
Comments: Abstract is abridged. Accepted to Astronomy & Astrophysics. 50 pages (21 excluding appendices), 15 figures and 7 tables in the main paper, 18 figures and 10 tables in the appendices
Subjects: astro-ph.SR, astro-ph.GA
arXiv:1409.5795v1 [pdf]
Title:The evolution of star formation activity in galaxy groups
Authors: G. Erfanianfar, P. Popesso, A. Finoguenov, S. Wuyts, D. Wilman, A. Biviano, F. Ziparo, M. Salvato, K. Nandra, D. Lutz, D. Elbaz, M. Dickinson, M. Tanaka, M. Mirkazemi, M. L. Balogh, M B. Altieri, H. Aussel, F. Bauer, S. Berta, R. M. Bielby, N. Brandt, N. Cappelluti, A. Cimatti, M. Cooper, D. Fadda, O. Ilbert, E. Le Floch, B. Magnelli, J. S. Mulchaey, R. Nordon, J. A. Newman, A. Poglitsch, F. Pozzi
Comments: Accepted for publication in MNRAS
Subjects: astro-ph.GA
arXiv:1409.5437v1 [pdf]
Title:LOFAR low-band antenna observations of the 3C295 and Bootes fields: source counts and ultra-steep spectrum sources
Authors: R. J. van Weeren, W. L. Williams, C. Tasse, H. J. A. Rottgering, D. A. Rafferty, S. van der Tol, ..., M. A. Garrett, ..., M. Iacobelli,..., P. Zarka
Comments: 26 pages, 20 figures, ApJ in press
Subjects: astro-ph.GA, astro-ph.CO
arXiv:1409.5474v1 [pdf]
Title:Computational Gravitational Dynamics with Modern Numerical Accelerators
Authors: Simon Portegies Zwart, Jeroen Bédorf
Comments: Accepted for publication in IEEE Computer
Subjects: astro-ph.IM, astro-ph.GA, cs.OH
arXiv:1409.5228v1 [pdf]
Title:The physical origin of the universal accretion history of dark matter halos
Authors: Camila Correa, Stuart Wyithe, Joop Schaye, Alan Duffy
Comments: 21 pages, 19 figures, 3 tables. Submitted to MNRAS
Subjects: astro-ph.GA, astro-ph.CO
arXiv:1409.4765v1 [pdf]
Title:On the Effects of Subvirial Initial Conditions and the Birth Temperature of R136
Authors: Daniel Caputo, Nathan de Vries, Simon Portegies Zwart
Comments: Accepted for publication in MNRAS
Subjects: astro-ph.GA
arXiv:1409.4658v1 [pdf]
Title:Shockingly low water abundances in Herschel / PACS observations of low-mass protostars in Perseus
Authors: Karska, L. E. , Kristensen, E. F. van Dishoeck, M. N. Drozdovskaya, J. C. Mottram, G. J. Herczeg, S. Bruderer, S. Cabrit, N. J. Evans II, D. Fedele, A. Gusdorf, J. K. Jorgensen, M. J. Kaufman, G. J. Melnick, D. A. Neufeld, B. Nisini, G. Santangelo, M. Tafalla, S. F. Wampfler
Comments: 28 pages, 12 figures, accepted to Astronomy & Astrophysics
Subjects: astro-ph.SR
arXiv:1409.4187v1 [pdf]
Title:The Earliest Phases of Star formation (EPoS): Temperature, density, and kinematic structure of the star-forming core CB 17
Authors: M. Schmalzl, R. Launhardt, A. M. Stutz, H. Linz, T. L. Bourke, H. Beuther, Th. Henning, O. Krause, M. Nielbock, A. Schmiedeke
Comments: published in A&A
Subjects: astro-ph.GA
arXiv:1409.3571v1 [pdf]
Title:CFHTLenS: A Weak Lensing Shear Analysis of the 3D-Matched-Filter Galaxy Clusters
Authors: Jes Ford, Ludovic Van Waerbeke, Martha Milkeraitis, Clotilde Laigle, Hendrik Hildebrandt, Thomas Erben, Catherine Heymans, Henk Hoekstra, Thomas Kitching, Yannick Mellier, Lance Miller, Ami Choi, Jean Coupon, Liping Fu, Michael J. Hudson, Konrad Kuijken, Naomi Robertson, Barnaby Rowe, Tim Schrabback, Malin Velander
Comments: 3D-MF cluster catalog is NOW AVAILABLE at cfhtlens.org. Magnification-shear mass comparison in Figure 9. 17 pages, 9 figures. Submitted to MNRAS
Subjects: astro-ph.CO
arXiv:1409.3087v1 [pdf]
Title:The Mid-infrared E-ELT Imager and Spectrograph (METIS)
Authors: Bernhard R. Brandl, Markus Feldt, Alistair Glasse, Manuel Guedel, Stephanie Heikamp, Matthew Kenworthy, Rainer Lenzen, Michael R. Meyer, Frank Molster, Sander Paalvast, Eric J. Pantin, Sascha P. Quanz, Eva Schmalzl, Remko Stuik, Lars Venema, Christoffel Waelkens, the NOVA-Astron Instrumentation Group
Comments: 18 pages, 14 figures, paper presented at the conference 'Astronomical Telescopes and Instrumentation' in Montreal (2014)
Subjects: astro-ph.IM, astro-ph.EP
arXiv:1409.3055v1 [pdf]
Title:On the relevance of the H2 + O reaction pathway for the surface formation of interstellar water - A combined experimental and modeling study
Authors: Thanja Lamberts, Herma Cuppen, Gleb Fedoseev, Sergio Ioppolo, Ko-Ju Chuang, Harold Linnartz
Comments: 9 pages, 4 figures
Subjects: astro-ph.GA, astro-ph.EP, astro-ph.IM, physics.chem-ph
arXiv:1409.3015v1 [pdf]
Title:Dust composition and mass-loss return from the luminous blue variable R71 in the LMC
Authors: S. Guha Niyogi, M. Min, M. Meixner, L. B. F. M. Waters, J. Seale, A. G. G. M. Tielens
Comments: 10 pages, 6 figures, 2 tables
Subjects: astro-ph.SR
arXiv:1409.2880v1 [pdf]
Title:Directly imaging damped Ly-alpha galaxies at z>2. III: The star formation rates of neutral gas reservoirs at z~2.7
Authors: Michele Fumagalli, John M. O'Meara, J. Xavier Prochaska, Marc Rafelski, Nissim Kanekar
Comments: 21 pages, 11 figures. MNRAS submitted. Comments are welcome
Subjects: astro-ph.GA
arXiv:1409.2779v1 [pdf]
Title:First spectrally-resolved H$_2$ observations towards HH 54 / Low H$_2$O abundance in shocks
Authors: G. Santangelo, S. Antoniucci, B. Nisini, C. Codella, P. Bjerkeli, T. Giannini, A. Lorenzani, L. K. Lundin, S. Cabrit, L. Calzoletti, R. Liseau, D. Neufeld, M. Tafalla, E. F. van Dishoeck
Comments: Astronomy & Astrophysics Letter, in press
Subjects: astro-ph.GA
arXiv:1409.2492v1 [pdf]
Title:The Fundamental Plane of massive quiescent galaxies out to z~2
Authors: Jesse van de Sande, Mariska Kriek, Marijn Franx, Rachel Bezanson, Pieter G. van Dokkum
Comments: Accepted for publication in ApJ, 6 pages, 3 figures, 1 table
Subjects: astro-ph.GA, astro-ph.CO