Galaxy: disk
Self consistent bulge/disk/halo galaxy dynamical modeling using integral field kinematics
... To test the accuracy and speed of the DF integration scheme described in Sections 3.2 and 3.3, we generate synthetic maps using our method and also from a high- resolution GalactICS model with 20M / 0.4M disk / ...
21
A Merger‐driven Scenario for Cosmological Disk Galaxy Formation
... for disk galaxy formation at high redshifts that supple- ments the standard picture based on dissipational col- lapse (White & Rees 1978; Blumenthal et ...a disk galaxy both structurally ...
18
A 4% Geometric Distance to the Galaxy NGC4258 from Orbital Motions in a Nuclear Gas Disk
... . This is apparent in the VLBA total power spectrum displayed in the lower panel. The inset shows line-of-sight (LOS) velocity versus impact parameter for the best-fitting Keplerian disk, with the maser data ...
12
Geochemical Signatures of Stream Capture in the Retreating Blue Ridge Escarpment, Southern Appalachian Mountains
... a galaxy with an optically faint disk compo- ...the disk, typical for gas rich dwarf galaxies, in- dicate a disk brighter at longer ...the disk, with a slightly faster decline towards ...
124
Teklu, Adelheid (2018): A dress code for galaxies: how the interplay of gas, stars, dark matter and environment shapes their appearance in simulations. Dissertation, LMU München: Fakultät für Physik
... child disk galaxies and the gas-rich spheroidal galaxy follow the expected exponential decline, as shown in the upper panel of ...gas disk shows a significant decline, as can be seen in the middle ...
189
The dynamics and distribution of angular momentum in HiZELS star forming galaxies at z = 0 8–3 3
... each galaxy by constructing total angular momentum ...star-forming galaxy is expected to grow by a factor ∼ 8 in the ∼5 Gyrs between z ∼ ...outer disk, and feedback that preferentially arises from ...
31
Gaming to Learn astronomy, an innovation approach, two study cases
... Way's disk covers 90 ...the galaxy, then set up the scale of the model to “plant” and decide about the content to be demonstrated and carefully choose the plants/flowers that will correspond to the content ...
6
Star Formation Law at Sub kpc Scale in the Elliptical Galaxy Centaurus A as Seen by ALMA
... elliptical galaxy Centaurus A (also known as NGC 5128) at the distance ...outer disk of this galaxy and we found that the average velocity dispersion is equal to ...outer disk is found to ...
9
Red horizontal branch stars in the Galactic field: A chemical abundance survey
... thick disk and 13 thin disk RHB stars in our ...thick disk members of the Galaxy, the low-velocity RHBs with a solar metallicity in our sample suggests the existence of a large number of thin ...
6
The need for speed : escape velocity and dynamical mass measurements of the Andromeda galaxy
... the galaxy — Hern- quist bulge, Miyamoto-Nagai disk and NFW dark matter halo model, of which we adopt the bulge and disk structural models from the literature (Bekki et ...
14
Galaxy Formation and Chemical Evolution
... Milky-way galaxy along with the formation of the earliest generations of stars is considered to have commenced quite ...the galaxy established the galactic inventories of all the stable nuclides ...the ...
9
Positron Annihilation in the Milky Way: Searching for the source of Galactic antimatter
... entire galaxy, with an area of „ 50 kpc is sampled in the ...host galaxy. An example of a more resolved galaxy that also exhibits multiple stellar populations is the host of ...This galaxy has ...
167
Surface Photometry of Spiral Galaxy NGC 5005 and Elliptical Galaxy NGC 4278 Zahraa Adnan| Abdullah K. Ahmed
... spiral galaxy NGC 5005. From this figure, we obtained that the galaxy has a disky system with a ...ellipsoidal disk with two components first, a bar to about 76"; second, a tightly wrapped spiral ...
10
A Spitzer Space Telescope Study of the Debris Disks around Four SDSS White Dwarfs
... background galaxy (8 Gyr, z = ...background galaxy + optically thick dust disk with an inner dust temperature of 1800 K and an outer disk temperature of 250 ...The disk inclination is ...
7
Spectroscopic decomposition of the galaxy and halo of the cD galaxy NGC 3311
... cD galaxy NGC 3311 to demon- strate that such systems can be decomposed into the main galaxy component and the surrounding stellar ...the galaxy and its halo. De- spite the limited spatial coverage ...
13
Revamping Newtonian Gravity
... Galactic disk. Still, the stabilities of globular and galaxy clusters and the rotations of galaxies provide purportedly strong evidence for dark ...spiral galaxy is more or less independent of its ...
6
The mass assembly history of field galaxies
... 101 disk galaxies at ...and disk scale lengths, utilizing a range of model relationships derived analytically and from ...that disk galaxy formation at z < 1 is hierarchical in ...
200
Search | Preprints
... Abstract: The lightcone gauge is a set of what are called the observational coordinates adapted to our past lightcone. We develop this gauge by producing a perturbed spacetime metric that describes the geometry of our ...
19
Constraining the progenitors of short gamma ray bursts
... host galaxy, specifically the 3σ limiting magnitude for GRB 090305A is r 0 (AB) > ...integrated galaxy luminosity for an Sbc type galaxy, ∼ 85% for an Irr galaxy and 55% for an Ell ...host ...
178
Relativity of Speed of Light with Speed of Universe Expansion
... Our galaxy is moving on account of universe expansion at the rate of 300,000 km ...(our galaxy) on account of universe expansion are moving at speed of approximately 300,000 ...
9