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446 papers · 1 filter
Complementarity Reveals Bound Entanglement of Two Twisted Photons
Beatrix C. Hiesmayr, Wolfgang Löffler
We witness for the first time the generation of bound entanglement of two photon qutrits, whose existence has been predicted by the Horodecki family in 1998. Detection of these hea…
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…
Monitoring the photometric behavior of OmegaCAM with Astro-WISE
Gijs A. Verdoes Kleijn, Konrad H. Kuijken, Edwin A. Valentijn +5
The OmegaCAM wide-field optical imager is the sole instrument on the VLT Survey Telescope at ESO's Paranal Observatory. The instrument, as well as the telescope, have been designed…
OH far-infrared emission from low- and intermediate-mass protostars surveyed with Herschel-PACS
S. F. Wampfler, S. Bruderer, A. Karska +10
OH is a key species in the water chemistry of star-forming regions, because its presence is tightly related to the formation and destruction of water. This paper presents OH observ…
Calibrating [OII] star-formation rates at z>1 from dual Hα-[OII] imaging from HiZELS
Masao Hayashi, David Sobral, Philip N. Best +2
We investigate the relationship between Hα and [OII](λ3727) emission in faint star-forming galaxies at z=1.47 with dust uncorrected star formation rates (SFRs) down to 1.4 Msun/yr,…
The enigmatic nature of the circumstellar envelope and bow shock surrounding Betelgeuse as revealed by Herschel. I. Evidence of clumps, multiple arcs, and a linear bar-like structure
L. Decin, N. L. J. Cox, P. Royer +13
Context. The interaction between stellar winds and the interstellar medium (ISM) can create complex bow shocks. The photometers on board the Herschel Space Observatory are ideally…