Search Results - "Tilanus, Remo P.J."
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Event-horizon-scale structure in the supermassive black hole candidate at the Galactic Centre
Published in Nature (04-09-2008)“…The cores of most galaxies are thought to harbour supermassive black holes, which power galactic nuclei by converting the gravitational energy of accreting…”
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2
Gravitational Test beyond the First Post-Newtonian Order with the Shadow of the M87 Black Hole
Published in Physical review letters (01-10-2020)“…The 2017 Event Horizon Telescope (EHT) observations of the central source in M87 have led to the first measurement of the size of a black-hole shadow. This…”
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SCUBA-2: iterative map-making with the Sub-Millimetre User Reduction Facility
Published in Monthly notices of the Royal Astronomical Society (21-04-2013)“…The Submillimetre Common User Bolometer Array 2 (SCUBA-2) is an instrument operating on the 15-m James Clerk Maxwell Telescope, nominally consisting of 5120…”
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Resolved magnetic-field structure and variability near the event horizon of Sagittarius A
Published in Science (American Association for the Advancement of Science) (04-12-2015)“…Near a black hole, differential rotation of a magnetized accretion disk is thought to produce an instability that amplifies weak magnetic fields, driving…”
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Detection of Intrinsic Source Structure at ∼3 Schwarzschild Radii with Millimeter-VLBI Observations of SAGITTARIUS A
Published in The Astrophysical journal (20-05-2018)“…We report results from very long baseline interferometric (VLBI) observations of the supermassive black hole in the Galactic center, Sgr A*, at 1.3 mm (230…”
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Monitoring the Morphology of M87 in 2009-2017 with the Event Horizon Telescope
Published in The Astrophysical journal (23-09-2020)“…The Event Horizon Telescope (EHT) has recently delivered the first resolved images of M87*, the supermassive black hole in the center of the M87 galaxy. These…”
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Jet-Launching Structure Resolved Near the Supermassive Black Hole in M87
Published in Science (American Association for the Advancement of Science) (19-10-2012)“…Approximately 10% of active galactic nuclei exhibit relativistic jets, which are powered by the accretion of matter onto supermassive black holes. Although the…”
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PERSISTENT ASYMMETRIC STRUCTURE OF SAGITTARIUS A ON EVENT HORIZON SCALES
Published in The Astrophysical journal (01-04-2016)“…ABSTRACT The Galactic Center black hole Sagittarius A* (Sgr A*) is a prime observing target for the Event Horizon Telescope (EHT), which can resolve the 1.3 mm…”
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Automated reduction of sub-millimetre single-dish heterodyne data from the James Clerk Maxwell Telescope using orac-dr
Published in Monthly notices of the Royal Astronomical Society (11-10-2015)“…With the advent of modern multidetector heterodyne instruments that can result in observations generating thousands of spectra per minute it is no longer…”
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Asymmetric structure in Sgr A at 3 mm from closure phase measurements with VLBA, GBT and LMT
Published in Monthly notices of the Royal Astronomical Society (21-10-2016)“…We present the results of a closure phase analysis of 3 mm very long baseline interferometry measurements performed on Sagittarius A* (Sgr A*). We have…”
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ALMA Long Baseline Campaigns: Phase Characteristics of Atmosphere at Long Baselines in the Millimeter and Submillimeter Wavelengths
Published in Publications of the Astronomical Society of the Pacific (01-03-2017)“…We present millimeter- and submillimeter-wave phase characteristics measured between 2012 and 2014 of Atacama Large Millimeter/submillimeter Array long…”
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The 1.4 mm Core of Centaurus A: First VLBI Results with the South Pole Telescope
Published in The Astrophysical journal (10-07-2018)“…Centaurus A (Cen A) is a bright radio source associated with the nearby galaxy NGC 5128 where high-resolution radio observations can probe the jet at scales of…”
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FINE-SCALE STRUCTURE OF THE QUASAR 3C 279 MEASURED WITH 1.3 mm VERY LONG BASELINE INTERFEROMETRY
Published in The Astrophysical journal (20-07-2013)“…We report results from five day very long baseline interferometry observations of the well-known quasar 3C 279 at 1.3 mm (230 GHz) in 2011. The measured…”
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IRC+10216'S Innermost Envelope—The eSMA'S View
Published in The Astrophysical journal (20-06-2009)“…We used the Extended Submillimeter Array (eSMA) in its most extended configuration to investigate the innermost (within a radius of ~290 R * from the star)…”
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The General Single-Dish Data format: A retrospective
Published in Astronomy and computing (01-09-2015)“…The General Single-Dish Data format (GSDD) was developed in the mid-1980s as a data model to support centimeter, millimeter and submillimeter instrumentation…”
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Detection of C I in Absorption toward PKS 1830 – 211 with the eSMA
Published in The Astrophysical journal (10-01-2009)“…We report the first science observations and results obtained with the 'extended' SMA (eSMA), which is composed of the SMA (Submillimeter Array), JCMT (James…”
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