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HD 106906 is a young, binary stellar system, located in the Lower Centaurus Crux (LCC) group. This system is unique among discovered systems in that it contains an asymmetrical debris disk, as well as an 11 M$_{Jup}$ planet companion, at a…

Debris disc architecture presents [exo-]planetary scientists with precious clues for processes of planet formation and evolution, including constraints on planetary mass perturbers. This is particularly true of the disc in HD 106906, which…

Earth and Planetary Astrophysics · Physics 2023-02-03 Mohammad Farhat , Antranik Sefilian , Jihad Touma

HD~106906AB is so far the only young binary system around which a planet has been imaged and a debris disk evidenced thanks to a strong IR excess. As such, it represents a unique opportunity to study the dynamics of young planetary systems.…

Debris disks are tenuous, dusty belts surrounding main sequence stars generated by collisions between planetesimals. HD 206893 is one of only two stars known to host a directly imaged brown dwarf orbiting interior to its debris ring, in…

HD 106906 is a 15 Myr old short-period (49 days) spectroscopic binary that hosts a wide-separation (737 au) planetary-mass ($\sim11\,M_{\rm Jup}$) common proper motion companion, HD 106906 b. Additionally, a circumbinary debris disk is…

Earth and Planetary Astrophysics · Physics 2020-12-10 Meiji M. Nguyen , Robert J. De Rosa , Paul Kalas

The 13 Myr old star HD106906 is orbited by a debris disk of at least 0.067 M_Moon with an inner and outer radius of 20 AU and 120 AU, respectively, and by a planet at a distance of 650 AU. We use this curious combination of a close low-mass…

Earth and Planetary Astrophysics · Physics 2015-08-06 Lucie Jilkova , Simon Portegies Zwart

We analyze archival data from Bailey and co-workers from the $Magellan$ adaptive optics system and present the first 0.9 $\mu$m detection ($z' = 20.3\pm0.4$ mag; $\Delta z'=13.0\pm0.4$ mag) of the 11 $M_\mathrm{Jup}$ circumbinary planet HD…

A giant planet has been recently resolved at a projected distance of 730 au from the tight pair of young ($\sim$ 13 Myr) intermediate-mass stars HD 106906AB in the Lower Centaurus Crux (LCC) group. The stars are surrounded by a debris disk…

Earth and Planetary Astrophysics · Physics 2017-05-24 L. Rodet , H. Beust , M. Bonnefoy , A. -M. Lagrange , P. A. B. Galli , C. Ducourant , R. Teixeira

Most debris discs consist of a gas-poor, cold dust belt located tens to hundreds of astronomical units away from the host star. Many cold dust belts exhibit distinct structures attributed to the dynamic interaction of planetary systems.…

Earth and Planetary Astrophysics · Physics 2024-04-09 Qiancheng Yang , Qiong Liu , Grant M. Kennedy , Mark C. Wyatt , Sarah Dodson-Robinson , Rachel Akeson , Nenghui Liao

While detecting low mass exoplanets at tens of au is beyond current instrumentation, debris discs provide a unique opportunity to study the outer regions of planetary systems. Here we report new ALMA observations of the 80-200 Myr old Solar…

Earth and Planetary Astrophysics · Physics 2018-07-18 S. Marino , J. Carpenter , M. C. Wyatt , M. Booth , S. Casassus , V. Faramaz , V. Guzman , A. M. Hughes , A. Isella G. M. Kennedy , L. Matrà , L. Ricci , S. Corder

We present an investigation into the kinematics of HD 106906 using the newly released Gaia DR2 catalog to search for close encounters with other members of the Scorpius-Centaurus (Sco-Cen) association. HD 106906 is an eccentric…

Earth and Planetary Astrophysics · Physics 2019-02-28 Robert J. De Rosa , Paul Kalas

The exoplanetary system of HR 8799 is one of the rare systems in which multiple planets have been directly imaged. Its architecture is strikingly similar to that of the Solar System, with the four imaged giant planets surrounding a warm…

We present 1.3 millimeter observations of the debris disk surrounding the HR 8799 multi-planet system from the Submillimeter Array to complement archival ALMA observations that spatially filtered away the bulk of the emission. The image…

Earth and Planetary Astrophysics · Physics 2018-03-21 David J. Wilner , Meredith A. MacGregor , Sean M. Andrews , A. Meredith Hughes , Brenda Matthews , Kate Su

We report the discovery of a planetary-mass companion, HD 106906 b, with the new Magellan Adaptive Optics (MagAO) + Clio2 system. The companion is detected with Clio2 in three bands: $J$, $K_S$, and $L^\prime$, and lies at a projected…

We present ALMA continuum observations at a wavelength of 1.25 mm of the debris disk surrounding the $\sim$ 100 Myr old solar analog HD 107146. The continuum emission extends from about 30 to 150 AU from the central star with a decrease in…

Earth and Planetary Astrophysics · Physics 2015-06-23 L. Ricci , J. M. Carpenter , B. Fu , A. M. Hughes , S. Corder , A. Isella

Debris disks offer valuable insights into the latest stages of circumstellar disk evolution, and can possibly help us to trace the outcomes of planetary formation processes. In the age range 10 to 100\,Myr, most of the gas is expected to…

We present observations of the HD 15115 debris disk from ALMA at 1.3 mm that capture this intriguing system with the highest resolution ($0.\!\!^{\prime\prime}6$ or $29$ AU) at millimeter wavelengths to date. This new ALMA image shows…

We have gathered a sample of 112 main-sequence stars with known debris disks. We collected published information and performed adaptive optics observations at Lick Observatory to determine if these debris disks are associated with binary or…

Solar and Stellar Astrophysics · Physics 2015-06-03 David R. Rodriguez , B. Zuckerman

ALMA observations of protoplanetary disks acquired by the Disk Substructure at High Angular Resolution Project (DSHARP) resolve the dust and gas emission on angular scales as small as 3 astronomical units, offering an unprecedented detailed…

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