Galactic Dynamics: Second Edition
By J. Binney, S. Tremaine. 2008
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Subfields: Astronomy and Astrophysics
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- Yule-Simpson’s paradox in Galactic Archaeology (2019, background): “…shown before in observations, although it could be argued would result from the scatter plots shown in Figures 5 and 7 by Ramı́rez et al. (2012) and should correspond to bins of common stellar mass, shown in several works (e.g., Nissen & Schuster 2012; Ramı́rez et al. 2012; Bensby & Lind 2018).”
- Rates of compact object coalescences (2021, background): “In the classical version of dynamical formation in a dense stellar environment the black holes, being heavier than other cluster objects, sink toward the centre of the cluster through mass segregation (Spitzer, 1969; Binney and Tremaine, 2008).”
- Integral field spectroscopy with SINFONI of VVDS galaxies I. Galaxy dynamics and mass assembly at 1.2 < z < 1.6 (2009, background): “Binney & Tremaine (2008) suggest that C = 2.25 is an average value of known galactic mass distribution models.”
- The old Nuclear Star Cluster in the Milky Way (2014, methodology): “From the tensor virial theorem (Binney & Tremaine 2008) we know that for 2I-models υ2Φ > υ 2 R in order to produce the flattening.”
- Rapid and Bright Stellar-mass Binary Black Hole Mergers in Active Galactic Nuclei (2016, positive): “Using M• = M0(σ/σ0)k according to the M• −σ relation, and taking σ0 = 200km/s, M0 = 1.3×108M and k = 4 (Binney & Tremaine 2008; Gültekin et al. 2009), we obtain Rinf = GM• σ2 = GM0 σ20 ( M• M0 )1−(2/k) = 1.2M1/26 pc , (6) where M6 ≡M•/106M .”
- The SLUGGS Survey: kinematics for over 2500 globular clusters in 12 early-type galaxies (2012, background): “The galaxy anisotropy has classically been measured through the parameter β that gives the relative ratio of the tangential to the radial velocity dispersion for a given dynamical tracer (Binney & Tremaine 2008).”
- TDCOSMO IV: Hierarchical time-delay cosmography -- joint inference of the Hubble constant and galaxy density profiles (2020, positive): “…spherically symmetric system, with the only distinction between radial,σ2r , and tangential,σ 2 t , dispersions, the Jeans equation results in (e.g., Binney & Tremaine 2008) ∂(ρ∗σ2r (r)) ∂r + 2βani(r)ρ∗(r)σ2r (r) r = −ρ∗(r) ∂Φ(r) ∂r , (10) with the stellar anisotropy parameterized as βani(r) ≡ 1…”
- THE MEGAMASER COSMOLOGY PROJECT. III. ACCURATE MASSES OF SEVEN SUPERMASSIVE BLACK HOLES IN ACTIVE GALAXIES WITH CIRCUMNUCLEAR MEGAMASER DISKS (2010, background): “…the half-mass relaxation timescale; Binney & Tremaine 2008) is considered to be the upper limit of the lifetime of any bound stellar system whereas the collision timescale is the characteristic timescale that a star suffers a physical collision (i.e. an inelastic encounter; Binney & Tremaine 2008).”
- Constraining the Milky Way assembly history with Galactic Archaeology (2016, background): “This spiral lifetime is most likely a low limit because of the quick disc heating taking place in these simulations, due to the lack of gas infall, which, if present, would rejuvenate the spiral structure (Binney & Tremaine, 2008).”
- Axion dark matter, solitons and the cusp–core problem (2015, background): “On length scales larger than the soliton radius the usual thermodynamic arguments relating to dust (Binney & Tremaine 2008) will apply, leading to an NFW-like profile (on large scales this equivalence between the Schrödinger picture and dust thermodynamics can be derived using the Wigner…”
- Cosmological simulations with self-interacting dark matter – II. Halo shapes versus observations (2012, methodology): “The third way we will quantify halo shapes observationally is in terms of similar spheroids (see, e.g., Section 2.5 of Binney & Tremaine 2008).”
- KINEMATICS OF THE STELLAR HALO AND THE MASS DISTRIBUTION OF THE MILKY WAY USING BLUE HORIZONTAL BRANCH STARS (2012, background): “The tidal effects of LMC and SMC on 2 The disk model withb = 0 is also otherwise known as Toomre’s model or Kuzmin disk (Toomre 1963; Binney & Tremaine 2008) 0 20 40 60 80 100 120 140 160 180 r (kpc) 0 50 100 150 200 250 300 350 v c ir c ( km s− 1 ) X08 W99S09 G10 W10 S11 D12b Figure 11.”
- Characterizing the gravitational instability in cooling accretion discs (2008, background): “…azimuthal wavelength,|kR| ≫ m, with R the cylindrical radius) we have D(ω, k,m) = (ω − mΩ)2 − c2sk2 + 2πGΣ|k| − κ2 = 0, (1) whereΩ(R) is the angular speed, andκ(R) is the epicyclic frequency,cs(R) is the sound speed andΣ(R) is the surface density of the umperturbed disc (Binney & Tremaine 2008).”
- MINOR MERGERS AND THE SIZE EVOLUTION OF ELLIPTICAL GALAXIES (2009, methodology): “According to the virial theorem (Binney & Tremaine 2008) the total energy of the system is Ei = Ki + Wi = −Ki = 1 2 Wi = − 1 2 Mi〈v 2 i 〉 = − 1 2 GM2i rg,i .”
- Kinematics in Young Star Clusters and Associations with Gaia DR2 (2018, methodology): “On the other hand, for the Plummer sphere and the lowered isothermal sphere models (also known as King models), velocity dispersions decrease monotonically with radius (Binney & Tremaine 2008).”
- Rotational support of giant clumps in high-z disc galaxies (2011, methodology): “The Jeans equation inside the clump then reads (e.g. Binney & Tremaine 2008, eq.”
- WIDE-FIELD PRECISION KINEMATICS OF THE M87 GLOBULAR CLUSTER SYSTEM (2011, positive): “4.215 of Binney & Tremaine 2008).”
- Formation of Galaxy Clusters (2012, methodology): “For a collisionless system of particles, such as CDM, the conditi of equilibrium is given by the Jeans equation (e.g., Binney & Tremaine 2008).”
- Greatly Enhanced Merger Rates of Compact-object Binaries in Non-spherical Nuclear Star Clusters (2017, neutral): “The evaporation time can be estimated as (Binney & Tremaine 2008): τevap= (m1 +m2)σ 16 √ πGainm2ν ln Λ = 3× 108 ( ln Λ 2 )−1 × ( m1 +m2 20M⊙ )( MBH 4× 106M⊙ )−1 ( σ 100km s−1 ) × ( ain 10AU )−1 ( mν 5× 105M⊙ pc−3 )−1 yr.”