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Aligned grains and scattered light found in gaps of planet-forming disk

Polarized (sub)millimetre emission from dust grains in circumstellar disks was initially thought to be because of grains aligned with the magnetic field1,2. However, higher-resolution multi-wavelength observations3–5 and improved models6–10 found that this polarization is dominated by self-scattering at shorter wavelengths (for example, 870 µm) and by grains aligned with something other than magnetic fields at longer wavelengths (for example, 3 mm). Nevertheless, the polarization signal is expected to depend on the underlying substructure11–13, and observations until now have been unable to resolve polarization in multiple rings and gaps. HL Tau, a protoplanetary disk located 147.3 ± 0.5 pc away14, is the brightest class I or class II disk at millimetre–submillimetre wavelengths. Here we show deep, high-resolution polarization observations of HL Tau at 870 µm, resolving polarization in both the rings and ....

Monte Carlo , Le Gouellec , Gould Belt Distances Survey , Astrophysics Source Code Library , Long Baseline Campaign , Belt Distances Survey , Baseline Campaign , Disk Substructures , High Angular Resolution Project , Small Particles , Perseus Molecular , Astronomical Plotting Library ,

ALMA demonstrates highest resolution yet

Tokyo, Japan (SPX) Nov 16, 2023 -
ALMA (Atacama Large Millimeter/submillimeter Array) has demonstrated the highest resolution yet with observations of an old star. The observations show that the star is surrounded by a ring-like str ....

Japan General , National Astronomical Observatory Of Japan , National Radio Astronomy Observatory , Long Baseline Campaign , Atacama Large , National Astronomical Observatory , European Southern Observatory , Nobeyama Radio Observatory , Space News ,

ALMA Demonstrates Highest Resolution Yet

ALMA Demonstrates Highest Resolution Yet
miragenews.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from miragenews.com Daily Mail and Mail on Sunday newspapers.

Japan General , Luket Maud , National Astronomical Observatory Of Japan , Long Baseline Campaign , National Radio Astronomy Observatory , Atacama Large , National Astronomical Observatory , European Southern Observatory , Nobeyama Radio Observatory , Associate Professor , Release Organization , Astronomical Observatory , Astrophysical Journal , Band To Observations Using , Astrophysical Journal Supplement Series ,

ALMA achieves its highest resolution observations

ESO, European Organisation for Astronomical Research in the Southern Hemisphere ....

United States , Milky Way , Magallanesy Antáica Chilena , South Korea , Republic Of Korea , Republic Of Chile , Luke Maud , Jm Fernandez Lowell , Long Baseline Campaign , National Astronomical Observatory Of Japan , Ams Richards University Of Manchester , Regional Centre , Leiden University , Uppsala University , National Radio Astronomy Observatory , Atacama Large , National Astronomical Observatory , Astrophysical Journal , Lowell Observatory , Band To Observations Using , So Org , La Silla ,

ALMA demonstrates highest resolution yet

ALMA demonstrates highest resolution yet
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

Japan General , Luket Maud , Yoshiharu Asaki , National Astronomical Observatory Of Japan , National Radio Astronomy Observatory , Long Baseline Campaign , Atacama Large , National Astronomical Observatory , European Southern Observatory , Astrophysical Journal , Astrophysical Journal Supplement , Nobeyama Radio Observatory , Hubble Space Telescope , Subaru Telescope , Harvard Smithsonian Cfa , Band To Observations Using , Astrophysical Journal Supplement Series , Carbon Rich Starr Lep ,