Results 1 to 10 of about 46,922 (223)

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

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

EMPRESS. XII. Statistics on the Dynamics and Gas Mass Fraction of Extremely Metal-poor Galaxies

The Astrophysical Journal
We  present the demography of the dynamics and gas mass fraction of 33 extremely metal-poor galaxies (EMPGs) with metallicities of 0.015–0.195 Z _⊙ and low stellar masses of 10 ^4 –10 ^8 M _⊙ in the local universe.
Yi Xu, Masami Ouchi, Yuki Isobe, Kimihiko Nakajima, Shinobu Ozaki, Nicolas F. Bouché, John H. Wise, Eric Emsellem, Haruka Kusakabe, Takashi Hattori, Tohru Nagao, Gen Chiaki, Hajime Fukushima, Yuichi Harikane, Kohei Hayashi, Yutaka Hirai, Ji Hoon Kim, Michael V. Maseda, Kentaro Nagamine, Takatoshi Shibuya, Yuma Sugahara, Hidenobu Yajima, Shohei Aoyama, Seiji Fujimoto, Keita Fukushima, Shun Hatano, Akio K. Inoue, Tsuyoshi Ishigaki, Masahiro Kawasaki, Takashi Kojima, Yutaka Komiyama, Shuhei Koyama, Yusei Koyama, Chien-Hsiu Lee, Akinori Matsumoto, Ken Mawatari, Takashi J. Moriya, Kentaro Motohara, Kai Murai, Moka Nishigaki, Masato Onodera, Yoshiaki Ono, Michael Rauch, Tomoki Saito, Rin Sasaki, Akihiro Suzuki, Tsutomu T. Takeuchi, Hiroya Umeda, Masayuki Umemura, Kuria Watanabe, Kiyoto Yabe, Yechi Zhang   +51 more
doaj   +1 more source

Kinematic profiles of S0 galaxies

The Astronomical Journal, 1997
Stellar rotation curves, velocity dispersion profiles, and line-of-sight velocity distributions (LOSVD) as derived from absorption lines are presented for the major axes of 18 S0 and two elliptical galaxies. Ionized gas rotation curves and dispersions were measured from the [O III] 5007 Angstrom emission line in the 9 S0 galaxies displaying this ...
openaire   +1 more source

Probing the Disk Kinematics of M31 with DESI

Edinburgh Student Journal of Science
M31’s stellar rotation curve and disk line-of-sight dispersion is presented using kinematic data from a novel DESI M31 survey in combination with similar datasets.
Struan Stevenson
doaj   +1 more source

The Effects of Bar Strength and Kinematics on Galaxy Evolution: Slow Strong Bars Affect Their Hosts the Most

The Astrophysical Journal
We study how bar strength and bar kinematics affect star formation in different regions of the bar by creating radial profiles of EW[H α ] and D _n 4000 using data from Sloan Digital Sky Survey-IV Mapping Nearby Galaxies at Apache Point Observatory ...
Tobias Géron, R. J. Smethurst, Chris Lintott, Karen L. Masters, I. L. Garland, Petra Mengistu, David O’Ryan, B. D. Simmons   +7 more
doaj   +1 more source

A vertically orientated dark matter halo marks a flip of the Galactic disc

Astronomy & Astrophysics
Unveiling the 3D shape of the Milky Way’s dark-matter halo is critical to understanding its formation history. We created an innovative dynamical model that makes minimal assumptions about the internal dynamical structures and accommodates a highly ...
Zhu Ling, Cai Runsheng, Kang Xi, Xue Xiang-Xiang, Yang Chengqun, Zhang Lan, Mao Shude, Liu Chao   +7 more
doaj   +1 more source

The Kinematic Signature of the Warp and Waves in the Milky Way Disk

The Astrophysical Journal
Using over 170,000 red clump (RC) stars selected from LAMOST and APOGEE, we conduct a detailed analysis of the stellar V _Z as a function of L _Z (or R _g ) across different ϕ bins for various disk populations.
Weixiang Sun, Han Shen, Biwei Jiang, Xiaowei Liu   +3 more
doaj   +1 more source

DESI EDR: Calibrating the Tully–Fisher Relationship with the DESI Peculiar Velocity Survey

The Astrophysical Journal
We calibrate the Tully–Fisher relation (TFR) with data from the DESI Peculiar Velocity (PV) Survey taken during the Survey Validation (SV) period of the DESI galaxy redshift survey.
K. Douglass, S. BenZvi, N. Uberoi, C. Howlett, C. Saulder, K. Said, R. Demina, J. Aguilar, S. Ahlen, G. Aldering, D. Bianchi, D. Brooks, T. Claybaugh, A. Cuceu, T. M. Davis, K. S. Dawson, A. de la Macorra, A. Font-Ribera, J. E. Forero-Romero, E. Gaztañaga, S. Gontcho A Gontcho, G. Gutierrez, C. Hahn, K. Honscheid, M. Ishak, R. Joyce, T. Kisner, A. Kremin, M. Landriau, M. E. Levi, J. Lucey, P. Martini, A. Meisner, R. Miquel, J. Moustakas, N. Palanque-Delabrouille, W. J. Percival, F. Prada, G. Rossi, E. Sanchez, D. Schlegel, M. Schubnell, J. Silber, D. Sprayberry, G. Tarlé, B. A. Weaver, R. Zhou, H. Zou   +47 more
doaj   +1 more source

Galaxies: kinematics to dynamics [PDF]

, 2001
openaire   +1 more source