Search Results - "Dong, Ruobing"

HOW BRIGHT ARE PLANET-INDUCED SPIRAL ARMS IN SCATTERED LIGHT? by Dong, Ruobing, Fung, Jeffrey

“…ABSTRACT Recently, high angular resolution imaging instruments such as SPHERE and GPI have discovered many spiral-arm-like features in near-infrared…”
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DUST FILTRATION BY PLANET-INDUCED GAP EDGES: IMPLICATIONS FOR TRANSITIONAL DISKS by ZHAOHUAN ZHU, NELSON, Richard P, RUOBING DONG, ESPAILLAT, Catherine, HARTMANN, Lee

“…By carrying out two-dimensional two-fluid global simulations, we have studied the response of dust to gap formation by a single planet in the gaseous component…”
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OBSERVATIONAL SIGNATURES OF PLANETS IN PROTOPLANETARY DISKS. I. GAPS OPENED BY SINGLE AND MULTIPLE YOUNG PLANETS IN DISKS by Dong, Ruobing, Zhu, Zhaohuan, Whitney, Barbara

“…ABSTRACT It has been suggested that the gaps and cavities recently discovered in transitional disks are opened by planets. To explore this scenario, we combine…”
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Spiral Arms in Disks: Planets or Gravitational Instability? by Dong, Ruobing, Najita, Joan R., Brittain, Sean

“…Spiral arm structures seen in scattered-light observations of protoplanetary disks can potentially serve as signposts of planetary companions. They can also…”
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THE STRUCTURE OF SPIRAL SHOCKS EXCITED BY PLANETARY-MASS COMPANIONS by Zhu, Zhaohuan, Dong, Ruobing, Stone, James M., Rafikov, Roman R.

“…ABSTRACT Direct imaging observations have revealed spiral structures in protoplanetary disks. Previous studies have suggested that planet-induced spiral arms…”
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The Appearance of Vortices in Protoplanetary Disks in Near-infrared Scattered Light by Marr, Metea, Dong, Ruobing

“…Abstract Azimuthally asymmetric structures have been discovered in millimeter continuum emission from many protoplanetary disks. One hypothesis is that they…”
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What is the Mass of a Gap-opening Planet? by Dong, Ruobing, Fung, Jeffrey

“…High-contrast imaging instruments such as GPI and SPHERE are discovering gap structures in protoplanetary disks at an ever faster pace. Some of these gaps may…”
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Multiple Disk Gaps and Rings Generated by a Single Super-Earth by Dong, Ruobing, Li, Shengtai, Chiang, Eugene, Li, Hui

“…We investigate the observational signatures of super-Earths (i.e., planets with Earth-to-Neptune mass), which are the most common type of exoplanet discovered…”
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The Dependence of the Structure of Planet-opened Gaps in Protoplanetary Disks on Radiative Cooling by Zhang, Minghao, Huang, Pinghui, Dong, Ruobing

“…Abstract Planets can excite density waves and open annular gas gaps in protoplanetary disks. The depth of gaps is influenced by the evolving angular momentum…”
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A Systematic Search for X-ray Cavities in the Hot Gas of Galaxy Groups by Dong, Ruobing, Rasmussen, Jesper, Mulchaey, John S

“…We have performed a systematic search for X-ray cavities in the hot gas of 51 galaxy groups with Chandra archival data. The cavities are identified based on…”
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HOW SPIRALS AND GAPS DRIVEN BY COMPANIONS IN PROTOPLANETARY DISKS APPEAR IN SCATTERED LIGHT AT ARBITRARY VIEWING ANGLES by Dong, Ruobing, Fung, Jeffrey, Chiang, Eugene

“…ABSTRACT Direct imaging observations of protoplanetary disks at near-infrared (NIR) wavelengths have revealed structures of potentially planetary origin…”
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The Planetary Luminosity Problem: "Missing Planets" and the Observational Consequences of Episodic Accretion by Brittain, Sean D., Najita, Joan R., Dong, Ruobing, Zhu, Zhaohuan

“…The high occurrence rates of spiral arms and large central clearings in protoplanetary disks, if interpreted as signposts of giant planets, indicate that gas…”
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The Eccentric Cavity, Triple Rings, Two-armed Spirals, and Double Clumps of the MWC 758 Disk by Dong, Ruobing, Liu, Sheng-yuan, Eisner, Josh, Andrews, Sean, Fung, Jeffrey, Zhu, Zhaohuan, Chiang, Eugene, Hashimoto, Jun, Liu, Hauyu Baobab, Casassus, Simon, Esposito, Thomas, Hasegawa, Yasuhiro, Muto, Takayuki, Pavlyuchenkov, Yaroslav, Wilner, David, Akiyama, Eiji, Tamura, Motohide, Wisniewski, John

“…Spatially resolved structures in protoplanetary disks hint at unseen planets. Previous imaging observations of the transitional disk around MWC 758 revealed an…”
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Observational Signatures of Planets in Protoplanetary Disks: Planet-induced Line Broadening in Gaps by Dong, Ruobing, Liu, Sheng-Yuan, Fung, Jeffrey

“…Protoplanets can produce structures in protoplanetary disks via gravitational disk-planet interactions. Once detected, such structures serve as signposts of…”
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STABILITY AND OCCURRENCE RATE CONSTRAINTS ON THE PLANETARY SCULPTING HYPOTHESIS FOR "TRANSITIONAL" DISKS by Dong, Ruobing, Dawson, Rebekah

“…ABSTRACT Transitional disks, protoplanetary disks with deep and wide central gaps, may be the result of planetary sculpting. By comparing numerical…”
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Evolution of Planetary Obliquity: The Eccentric Kozai–Lidov Mechanism Coupled with Tide by Huang, Xiumin, Ji, Jianghui, Liu, Shangfei, Dong, Ruobing, Wang, Su

“…Abstract Planetary obliquity plays a significant role in determining the physical properties of planetary surfaces and climate. As direct detection is…”
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X-RAY PROPERTIES OF INTERMEDIATE-MASS BLACK HOLES IN ACTIVE GALAXIES. III. SPECTRAL ENERGY DISTRIBUTION AND POSSIBLE EVIDENCE FOR INTRINSICALLY X-RAY-WEAK ACTIVE GALACTIC NUCLEI by DONG, Ruobing, GREENE, Jenny E, HO, Luis C

“…We present a systematic X-ray study, the third in a series, of 49 active galactic nuclei with intermediate-mass black holes (IMBH; ~10 super(5)-10 super(6) M…”
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Gap-opening Planets Make Dust Rings Wider by Bi, Jiaqing, Lin, Min-Kai, Dong, Ruobing

“…Abstract As one of the most commonly observed disk substructures, dust rings from high-resolution disk surveys appear to have different radial widths. Recent…”
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ALMA Observations of the Asymmetric Dust Disk around DM Tau by Hashimoto, Jun, Muto, Takayuki, Dong, Ruobing, Liu, Hauyu Baobab, van der Marel, Nienke, Francis, Logan, Hasegawa, Yasuhiro, Tsukagoshi, Takashi

“…Abstract We report an analysis of the dust disk around DM Tau, newly observed with the Atacama Large Millimeter/submillimeter Array (ALMA) at 1.3 mm. The ALMA…”
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First JVLA Radio Observation on PDS 70 by Liu, Hauyu Baobab, Casassus, Simon, Dong, Ruobing, Doi, Kiyoaki, Hashimoto, Jun, Muto, Takayuki

“…Abstract PDS 70 is a protoplanetary system that hosts two actively accreting gas giants, namely, PDS 70b and PDS 70 c. The system has a ∼60–100 au dusty ring…”
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