Galactic bulge
The formation history of the Galactic bulge
... The available metallicity distributions for the Galactic bulge are reasonably well approximated by the predictions of the simple closed-box model (e.g. Rich 1990; Zoccalli et al. 2003). In many applications ...
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Radio sources in the Chandra Galactic Bulge Survey
... on Galactic objects in general and the inner Galactic bulge for the sources in this paper, we focus primarily on the infrared, rather than optical, fluxes, since the infrared measurements will suffer ...
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The chemical evolution of the Galactic Bulge seen through micro-lensing events
... the Galactic bulge share the elemental abundance trends with the thick disk in the solar neighbourhood and have an MDF that is ...the Galactic bulge also point to a sub-population with an ...
5
The Oldest Stars in the Galaxy – Searching for Metal-Poor Stars in the Galactic Bulge
... The nature of the first generations of stars that formed after the Big Bang is one of the major topics in contemporary astrophysics and cosmology. Such stars formed out of gas that was relatively free of elements heavier ...
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MOA 2011 BLG 028Lb : a Neptune mass microlensing planet in the Galactic bulge
... a Galactic bulge giant is magnified for ∼200 days (around 2011 April 22nd) by a stellar object near the light ’ s path and is additionally disturbed for ∼ 2 days ( around 2011 May 13th ) by a low-mass ...
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Galactic Bulge 5.0 Earthquake Study - radius of Population
... a, This CMD demonstrates the difficulty affecting the optical studies of star clusters located in the direction of the Galactic Bulge. In fact, these clusters suffer for heavy dust obscuration, and the ...
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Distances Scale Determination for a Planetary Nebula in Galactic Bulge
... As a result, the previous distance scales that seem to work well with samples, for example those in Galactic Bulge or External Galaxies, may not be applicable to more divers population of local Planetary ...
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ISOGAL-DENIS detection of red giants with weak mass loss in the Galactic bulge
... and galactic chemical ...the galactic bulge and central disk, IRAS was able to detect only the relatively few AGB stars with the largest mass-loss rates ≥ 10 −6 M ...
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Dynamics of the galactic bulge using planetary nebulae
... We have chosen PNe as the tracers because they are less affected by metallicity bias than most other tracers and, they are strong emitters in HQ - this make their velocities easy to measure. We have chosen to survey a ...
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Population synthesis of classical low-mass X-ray binaries in the Galactic Bulge
... Because the masses of neutron stars at birth are very un- certain, we adopted an initial neutron star mass of 1.4 M in our simulations. However, Kuranov et al. (2014) recently found that a uniform distribution of initial ...
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The formation of the Galactic bulge of the Milky Way
... entire bulge, and within R gal ≤ ...the bulge to be comprised of these components rather than represented by a single distribution, the metallicity gradient, as measured per component, is ...
5
The inner Galactic globular clusters
... In order to be able to extract physical parameters from the Galactic bulge and inner halo GC population we can follow two different approaches, according to the amount of extinction affecting the GC. Deep ...
5
Towards the big picture of the Milky Way bulge
... the Bulge minor axis ( b = − 4, − 6, − 12) and another field at ( l , b ) = ( − 5, − 4), obtained with the FLAMES-GIRAFFE spectrograph, using the HR13 setup (R=22 ...
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Variable stars in the bulge globular cluster NGC 6401
... the bulge field stars have similar colours because they formed at the same time from the same chemically enriched ...that bulge clusters share comparable properties with the bulge field stars, ...
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Inner galactic disc metallicity distributions and the bulge-disc relation
... the bulge in Baade’s Window (l = 0, b = −4 deg) (Hill et ...The galactic bulge has been suggested to host two kinematically and chemically distinct populations (Babusiaux et ...the galactic ...
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OH/IR stars in the inner bulge detected by ISOGAL
... The galactic bulge, especially the region near the Galactic Centre, has been scanned in search of OH 1612 MHz maser sources at high spatial resolution by various authors (Lindqvist et ...
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A multiphase model of galactic collapse
... We have investigated the dynam ical evolution of a simplified system using SPH techniques and a simple tre a tm e n t of cloud collisions. For a re stric te d range of initial conditions a disk m ay form, w hich has an a ...
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Star formation in Galactic flows
... in galactic evolution, transforming gas into stars and providing the visible out- put as well as the chemical and energetic feedback into the ...cluding Galactic scale and supernova driven flows that ...
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Simplification of Galactic Dynamic equations
... In density wave theory, Lin and Shu assume that the spiral structure is quasi-stationary in the form of waves on the disk of the galaxy. The key points of this assumption are as follows: 1. The spiral galaxy has an ...
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