Determination of the lithium depletion boundary (LDB), i.e., the observational limit below which the cores of very low-mass objects do not reach high enough...
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PublicationThe Lithium Depletion Boundary and the Age of the Hyades Cluster
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PublicationThe Lockman-SpReSO project. Description, target selection, observations, and catalogue preparation
Context. Extragalactic surveys are a key tool for better understanding the evolution of galaxies. Both deep and wide-field surveys serve to provide a clearer...
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PublicationThe Lockman-SpReSO project. Galactic flows in a sample of far-infrared galaxies
Context. The Lockman-SpReSO project is an optical spectroscopic survey of 956 far-infrared (FIR) objects within the Lockman Hole field limited by magnitude R C...
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PublicationThe LOFAR Two-metre Sky Survey. II. First data release
The LOFAR Two-metre Sky Survey (LoTSS) is an ongoing sensitive, high-resolution 120-168 MHz survey of the entire northern sky for which observations are now 20%...
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PublicationThe long-lived inner bar of NGC 1291
The question whether stellar bars are either transitory features or long-lived structures is still matter of debate. This problem is more acute for double...
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PublicationThe long-period binary central stars of the planetary nebulae NGC 1514 and LoTr 5
The importance of long-period binaries for the formation and evolution of planetary nebulae is still rather poorly understood, which in part is due to the lack...
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PublicationThe Lupus Transit Survey for Hot Jupiters: Results and Lessons
We present the results of a deep, wide-field transit survey targeting "Hot Jupiter" planets in the Lupus region of the Galactic plane conducted over 53 nights...
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PublicationThe MAGIC telescope for gamma-ray astronomy above 30 GeV
The MAGIC telescope, presently at its commissioning phase, will become fully operative by the end of 2003. Placed at the Roque de los Muchachos Observatory (ORM...
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PublicationThe Magnetic Field Structure of the LMC 2 Supershell: NGC 2100
We present UBVRI imaging polarimetry of NGC 2100 and its surrounding environment, which comprise a part of the LMC 2 supershell. The morphology of the observed...