Results 161 to 170 of about 605,159 (270)

A Stellar Dynamical Mass for the Central Black Hole in MCG–06-30-15

The Astrophysical Journal
We present the stellar dynamical (SD) mass of the central black hole in the nearby Seyfert galaxy MCG–06-30-15 using the Schwarzschild orbit-superposition method implemented in the open-source code FORSTAND .
Nabanita Das, Misty C. Bentz, Eugene Vasiliev, Monica Valluri, Christopher A. Onken, Sandra. I. Raimundo, Marianne Vestergaard   +6 more
doaj   +1 more source

Phase spirals induced by the gas warp

Astronomy & Astrophysics
Context. The discovery of the phase space-spirals in the Solar neighborhood in Gaia Data Release 2 has prompted various attempts to understand their origin. A source of bending waves that has been neglected as a cause of the phase spiral is irregular gas
Wang Shuyu, Brown Anthony G. A., Debattista Victor P., Khachaturyants Tigran   +3 more
doaj   +1 more source

A Dual Active Black Hole Candidate with Mass Ratio ~7:1 in a Disk Galaxy

The Astrophysical Journal Letters
Dual active galactic nuclei (AGNs) with comparable masses are commonly witnessed among the major merged galaxies with interaction remnants. Considering almost every massive galaxy is associated with multiple dwarf satellites around it, minor mergers ...
Xiao Cao, Yan-Mei Chen, Yong Shi, Junfeng Wang, Zhijie Zhou, Min Bao, Qiusheng Gu, Alexei Moiseev, Luis C. Ho, Lan Wang, Guangquan Zeng   +10 more
doaj   +1 more source

THE SAMI GALAXY SURVEY: REVISITING GALAXY CLASSIFICATION THROUGH HIGH-ORDER STELLAR KINEMATICS

, 2017
Recent cosmological hydrodynamical simulations suggest that integral field spectroscopy can connect the high-order stellar kinematic moments h3 (~skewness) and h4 (~kurtosis) in galaxies to their cosmological assembly history.
Sarah K. Leslie (19005176), Nicholas Scott (17477817), Hyunjin Jeong (3395699), C. Jakob Walcher (19017101), Gregory Goldstein (12299549), Sarah Sweet (18942859), Julia J. Bryant (19003562), Ángel R. López-Sánchez (19003604), Gerald Cecil (19017080), Matt S. Owers (18997085), Scott M. Croom (16045049), Adam L. Schaefer (19017095), Rebecca McElroy (19017086), Lisa M R Fogarty (19017089), Jon S. Lawrence (14387691), Dan Taranu (19017098), Pascal J. Elahi (19004252), Sree Oh (19015574), Brent Groves (16038581), Chiara Tonini (16247069), Caroline Foster (5851562), Richard M. McDermid (19008773), Matthew Colless (16045043), Roger Davies (4407034), I. Ting Ho (19017083), Joss Bland-Hawthorn (5534978), Michael Goodwin (2387143), Samuel N. Richards (19017092), Sarah Brough (16219838), Luca Cortese (18943978), Iraklis S. Konstantopoulos (19003565), Francesco D'Eugenio (8260308), Rob Sharp (16269965), D. Heath Jones (18997133), James T. Allen (19005158), Anne M. Medling (19005164), Warrick Couch (18925639), Sukyoung K. Yi (19004270), Jesse Van De Sande (19014770)   +38 more
core   +1 more source

The MASSIVE Survey. XX. A Triaxial Stellar Dynamical Measurement of the Supermassive Black Hole Mass and Intrinsic Galaxy Shape of Giant Radio Galaxy NGC 315

The Astrophysical Journal
We present a new dynamical measurement of the supermassive black hole mass and intrinsic shape of the stellar halo of the massive radio galaxy NGC 315 as part of the MASSIVE survey.
Jacob Pilawa, Emily R. Liepold, Chung-Pei Ma, Jonelle L. Walsh, Jenny E. Greene   +4 more
doaj   +1 more source

The dynamics of molecular gas in nearby galaxies

, 2013
Includes abstract.
Frank, Bradley Stanton
core  

Spatially resolved kinematics of an ultracompact dwarf galaxy

, 2011
We present the internal kinematics of UCD3, the brightest known ultracompact dwarf galaxy (UCD) in the Fornax cluster, making this the first UCD with spatially resolved spectroscopy.
S. Mieske, H. Baumgardt, Baumgardt, H., Grebel E. K., Hilker, M., Mieske, S., M. Hilker, L. Infante, Infante, L., E. K. Grebel, Frank, M. J., M. J. Frank   +11 more
core   +1 more source

A Tale of Tails: Star Formation and Stripping in Jellyfish Galaxies in the Strong Lensing Cluster MACS J0138.0-2155

The Open Journal of Astrophysics
We investigate the effects of ram-pressure stripping on four galaxies within the massive, strong-lensing cluster MACS-J0138.0-2155 ($z=0.336$). Of these, three are classified as jellyfish galaxies, with significant elongated tails. Two of these jellyfish
Catherine C. Gibson, Jackson H. O'Donnell, Tesla E. Jeltema   +2 more
doaj   +1 more source

The evolution of dark matter substructure [PDF]

, 2001
This thesis investigates the dynamical evolution of systems orbiting within deeper potentials. Initially we use a simple satellite-halo interaction to study the dynamical processes that act on orbiting systems and we compare these results to analytical ...
Roldán, Carlos Antonio Calcáneo
core  

Misaligned Gas Acquisition as a Formation Pathway of S0 Galaxies

The Astrophysical Journal
We analyze a sample of 753 S0 galaxies from the MPL-10 of Mapping Nearby Galaxies at Apache Point Observatory survey and investigate the gas–star kinematic misalignment and merger remnant fraction in galaxies with different morphological types.
Yuren Zhou, Yanmei Chen, Yong Shi, Qiusheng Gu, Junfeng Wang, Dmitry Bizyaev   +5 more
doaj   +1 more source