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Related papers: New perspectives on galactic angular momentum, gal…

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We investigate how the scaling relations between central black hole mass (Mbh) and host galaxy properties (velocity dispersion, bulge stellar mass and bulge luminosity) depend on the large scale environment. For each of a sample of 69…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-15 Sean L. McGee

Observed and simulated galaxies exhibit correlations between stellar mass, metallicity and morphology. We use the EAGLE cosmological simulation to examine the origin of these correlations for galaxies in the stellar mass range…

Astrophysics of Galaxies · Physics 2022-04-13 L. J. Zenocratti , M. E. De Rossi , T. Theuns , M. A. Lara-López

We study the scaling relation between the black hole and stellar mass ($M_\bullet-M_*$), diagnosing the residual $\Delta \log(M_\bullet/M_\odot)$ ($\Delta$) in this relation to understand the coevolution of the galaxy and black hole (BH) in…

Astrophysics of Galaxies · Physics 2025-10-29 Wenlin Ma , Weiguang Cui , Romeel Davé , Daniel Anglés-Alcázar , Hong Guo

We present measurements of baryonic mass Mb and specific angular momentum (sAM) jb in 14 rotating dwarf Irregular (dIrr) galaxies from the LITTLE THINGS sample. These measurements, based on 21cm kinematic data from the Very Large Array and…

Astrophysics of Galaxies · Physics 2017-01-04 Kirsty M. Butler , Danail Obreschkow , Se-Heon Oh

Scaling relations between supermassive black hole mass, M_BH, and host galaxy properties are a powerful instrument for studying their coevolution. A complete picture involving all of the black hole scaling relations, in which each relation…

Cosmology and Nongalactic Astrophysics · Physics 2015-06-16 Giulia Savorgnan , Alister W. Graham , Alessandro Marconi , Eleonora Sani , Leslie K. Hunt , Marina Vika , Simon P. Driver

Using observed data from the literature, we compare in one single publication the angular momentum (AM) of low surface brightness galaxies (LSBGs), with that of high surface brightness galaxies (HSBGs), a comparison that either is currently…

Astrophysics of Galaxies · Physics 2021-08-10 Vicente H. Salinas , Gaspar Galaz

We study the fragmentation of eight massive clumps using data from ATLASGAL 870 $\mu$m, SCUBA 850 and 450 $\mu$m, PdBI 1.3 and 3.5 mm, and probe the fragmentation from 1 pc to 0.01 pc scale. We find that the masses and the sizes of our…

Astrophysics of Galaxies · Physics 2017-05-11 Chuan-Peng Zhang , Guang-Xing Li

We carry out a systematic investigation of the total mass density profile of massive (Mstar>2e11 Msun) early-type galaxies and its dependence on galactic properties and host halo mass with the aid of a variety of lensing/dynamical data and…

We extend our previous work focused at $z\sim0$, studying the redshift evolution of galaxy dynamical properties using the state-of-the-art semi-analytic model GAEA: we show that the predicted size-mass relation for disky/star forming and…

Astrophysics of Galaxies · Physics 2019-06-26 Anna Zoldan , Gabriella De Lucia , Lizhi Xie , Fabio Fontanot , Michaela Hirschmann

Recent studies suggest that the stars in the outer regions of massive galaxies trace halo mass better than the inner regions and that an annular stellar mass provides a low scatter method of selecting galaxy clusters. However, we can only…

Cosmology and Nongalactic Astrophysics · Physics 2025-02-10 Conghao Zhou , Alexie Leauthaud , Shuo Xu , Benedikt Diemer , Song Huang , Katya Leidig , Tesla Jeltema , Marco Gatti , Yifei Luo , Carlo Cannarozzo , Sven Heydenreich

Motivated by the observed correlation between black hole masses $\mbh$ and the velocity dispersion $\sigma$ of host galaxies, we develop a theoretical model of black hole formation in galactic bulges (this paper generalizes an earlier ApJ…

Astrophysics · Physics 2009-11-07 Fred C. Adams , David S. Graff , Manasse Mbonye , Douglas O. Richstone

We introduce a new diagnostic for exploring the link between angular momentum and local gravitational instability in galaxy discs. Our diagnostic incorporates the latest developments in disc instability research, is fully consistent with…

Astrophysics of Galaxies · Physics 2018-08-07 Alessandro B. Romeo , Keoikantse Moses Mogotsi

We use a suite of semi-empirical models to predict galaxy merger rates and contributions to bulge growth as functions of merger mass, redshift, and mass ratio. The models use empirical halo occupation constraints to identify mergers,…

Cosmology and Nongalactic Astrophysics · Physics 2010-05-07 Philip F. Hopkins , Kevin Bundy , Darren Croton , Lars Hernquist , Dusan Keres , Sadegh Khochfar , Kyle Stewart , Andrew Wetzel , Joshua D. Younger

We use the bulge Sersic index n and bulge-to-total ratio (B/T) to explore the fundamental question of how bulges form. We perform 2D bulge-disk-bar decomposition on H-band images of 143 bright, high stellar mass (>1.0e10 solar masses)…

Astrophysics · Physics 2014-11-18 Tim Weinzirl , Shardha Jogee , Sadegh Khochfar , Andreas Burkert , John Kormendy

Radio continuum and polarization observations of several nearby galaxies allowed to determine their vertical scaleheights, magnetic field strengths and large-scale magnetic field patterns. They all show a similar large-scale magnetic field…

Astrophysics of Galaxies · Physics 2012-07-13 Marita Krause

Mass and specific angular momentum are two fundamental physical parameters of galaxies. We present measurements of the baryonic mass and specific angular momentum of 11 void dwarf galaxies derived from neutral hydrogen (H{\sc i}) synthesis…

Astrophysics of Galaxies · Physics 2018-06-13 Sushma Kurapati , Jayaram N. Chengalur , Simon Pustilnik , Peter Kamphuis

The angular momentum distribution in dark matter haloes and galaxies is a key ingredient in understanding their formation. Especially, the internal distribution of angular momenta is closely related to the formation of disk galaxies. In…

Astrophysics of Galaxies · Physics 2017-07-26 Shihong Liao , Jianxiong Chen , M. -C. Chu

We build a stellar-dynamical model of the Milky Way barred bulge and disk, using a newly implemented adaptive particle method. The underlying mass model has been previously shown to match the Galactic near-infrared surface brightness as…

Astrophysics · Physics 2009-11-10 Nicolai Bissantz , Victor P. Debattista , Ortwin Gerhard

We determine the parameters of scaling relations analogous to the Fundamental Plane of elliptical galaxies for the bulges and disks of a sample of 40 spiral galaxies. To this end we derive structural parameters (scalelengths and surface…

Astrophysics · Physics 2007-05-23 G. Moriondo , R. Giovanelli , M. Haynes

The radial density profiles of stellar galaxy discs can be well approximated as an exponential. Compared to this canonical form, however, the profiles in the majority of disc galaxies show downward or upward breaks at large radii.…

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