Results 71 to 80 of about 586 (186)
Dust distribution in circumstellar disks harboring multi-planet systems
Astronomy & AstrophysicsContext. Theoretical formation models and exoplanet detection surveys indicate that systems with multiple giant planets are common. Aims. We investigate how multiple super-thermal-mass planets embedded in a circumstellar disk shape the dust distribution ...
Roatti V., Picogna G., Marzari F.
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Dual-band Observations of the Asymmetric Ring around CIDA 9A: Dead or Alive?
The Astrophysical JournalWhile the most exciting explanation of the observed dust asymmetries in protoplanetary disks is the presence of protoplanets, other mechanisms can also form the dust features.
Daniel Harsono +11 more
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A λ = 1.3 mm Survey for Disks around Herbig Be Stars
The Astrophysical JournalWe present a survey of 24 Herbig Be stars (young stellar objects >3 M _⊙ ) within 3 kpc at 1.3 mm using the Submillimeter Array at ∼1″ resolution to identify circumstellar disks and assess planet forming potential.
David J. Wilner +5 more
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Multiwavelength Dust Characterization of the HL Tau Disk and Implications for Planet Formation
The Astrophysical JournalWe present a comprehensive analysis of the HL Tau dust disk by modeling its intensity profiles across six wavelengths (0.45–7.9 mm) with a resolution of 0 $\mathop{.}\limits^{^{\prime\prime} }$ 05 (∼7 au). Using a Markov Chain Monte Carlo (MCMC) approach,
Takahiro Ueda +6 more
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CIRCUMSTELLAR DISKS AROUND BINARY STARS IN TAURUS
The Astrophysical Journal, 2014 We have conducted a survey of 17 wide (> 100 AU) young binary systems in Taurus with the Atacama Large Millimeter Array (ALMA) at two wavelengths. The observations were designed to measure the masses of circumstellar disks in these systems as an aid to understanding the role of multiplicity in star and planet formation.
Akeson, R. L., Jensen, Eric L.N.
openaire +4 more sources
The 12CO gas structures of protoplanetary disks in the Upper Scorpius region
Astronomy & AstrophysicsWe present measurements of key protoplanetary disk properties inferred from parametric models of ALMA 12CO spectral line visibilities. We derived gas-disk radii, integrated fluxes, optically thick emission layers, and brightness temperature profiles for ...
Zallio Luigi +15 more
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The Astrophysical JournalRecent high-resolution observations have enabled detailed investigations of the circumstellar environments around Class 0/I protostars. Several studies have reported that the infall velocity of the envelope is a few times smaller than the freefall ...
Shingo Hirano +2 more
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Probing Dust and Gas Properties Using Ringed Disks
The Astrophysical Journal LettersHow rapidly a planet grows in mass and how far it may park from the host star depend sensitively on two nondimensional parameters: Stokes number St and turbulent α .
Eve J. Lee
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Eccentric Disks with Self-gravity
The Astronomical JournalCan a disk orbiting a central body be eccentric, when the disk feels its own self-gravity and is pressureless? Contradictory answers appear in the literature. We show that, to linear order in eccentricity, such a disk can be eccentric, but only if it has
Yoram Lithwick +3 more
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87th Annual Meeting of the Meteoritical Society 2025: Abstracts
Meteoritics &Planetary Science, Volume 60, Issue S1, Page 30-350, August 2025.
wiley +1 more source