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771 papers · 1 filter
Submillimeter Continuum Properties of Cold Dust in the Inner Disk and Outflows of M82
Lerothodi L. Leeuw, E. Ian Robson
Deep submillimeter (submm) continuum imaging observations of the starburst galaxy M82 are presented at 350, 450, 750 and 850 micron wavelengths, that were undertaken with the Submi…
The rotation and coma profiles of comet C/2004 Q2 (Machholz)
Maarten Reyniers, Pieter Degroote, Dennis Bodewits +2
Aims. Rotation periods of cometary nuclei are scarce, though important when studying the nature and origin of these objects. Our aim is to derive a rotation period for the nucleus…
Identifying nearby field T dwarfs in the UKIDSS Galactic Clusters Survey
N. Lodieu, B. Burningham, N. C. Hambly +1
We present the discovery of two new late-T dwarfs identified in the UKIRT Infrared Deep Sky Survey (UKIDSS) Galactic Clusters Survey (GCS) Data Release 2 (DR2). These T dwarfs are…
Sources of contamination to weak lensing tomography: redshift-dependent shear measurement bias
Elisabetta Semboloni, Ismael Tereno, Ludovic van Waerbeke +1
The current methods available to estimate gravitational shear from astronomical images of galaxies introduce systematic errors which can affect the accuracy of weak lensing cosmolo…
The JCMT Nearby Galaxies Legacy Survey I. Star Forming Molecular Gas in Virgo Cluster Spiral Galaxies
C. D. Wilson, B. E. Warren, F. P. Israel +20
We present large-area maps of the CO J=3-2 emission obtained at the James Clerk Maxwell Telescope for four spiral galaxies in the Virgo Cluster. We combine these data with publishe…
A New Feature in the Spectrum of the Superluminous LMC Supergiant HDE 269896
Mariela A. Corti, Nolan R. Walborn, Christopher J. Evans
We have found strong selective emission of the N II 5000A complex in the spectrum of the LMC hypergiant HDE 269896, ON9.7 Ia. Since this object also has anomalously strong He I…