The 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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Dynamics of the galactic bulge using planetary nebulae
... Our planetary nebulae (see §1.4) will provide an opportunity to make further kinematical tests of Kuijken’s axisymmetric isotropic two-integral model over a much more extended region of the galactic bulge ...
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Confirmation of a New Metal-poor Globular Cluster in the Galactic Bulge
... the Galactic GC ...the Galactic GCs are much less numerous than the open clusters, for example, fewer than 200 of them are known to date in the entire ...the Galactic bulge, in particular, are ...
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Spitzer microlensing parallax reveals two isolated stars in the Galactic bulge
... Abstract We report the mass and distance measurements of two single-lens events from the 2017 Spitzer microlensing campaign. The ground-based observations yield the detection of finite-source effects, and the microlens ...
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Spitzer Microlensing parallax reveals two isolated stars in the Galactic bulge
... 56 Department of Physics, University of California, Santa Barbara, CA 93106-9530, USA 57 Stellar Astrophysics Centre, Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark ...
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The chemical evolution of the Galactic Bulge seen through micro-lensing events
... Abstract. Galactic bulges are central to understanding galaxy formation and ...the Galactic bulge, but micro-lensing offers this ...the Galactic bulge as traced by dwarf stars are very ...
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Near-infrared counterparts to the Galactic Bulge Survey X-ray source population
... the Galactic Bulge Survey ...the Bulge, with a particular focus on accreting com- pact ...the Bulge is very high, ∼90% of our sources have a false alarm probability < 10%, indicating that for ...
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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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MOA 2011 BLG 028Lb : a Neptune mass microlensing planet in the Galactic bulge
... 2.2. OGLE-IV Light-curve Data The object described in this paper falls into the gap between two CCD detectors of the OGLE-IV camera in the standard fi eld no. BLG512 of the Galactic bulge survey. It is also ...
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Population synthesis of classical low-mass X-ray binaries in the Galactic Bulge
... the Galactic Bulge in order to predict the present-day population of LMXBs and their possible descendants, such as detached white dwarf- neutron star systems and millisecond radio ...
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OGLE-2015-BLG-1482L: The First Isolated Low-mass Microlens in the Galactic Bulge
... Abstract We analyze the single microlensing event OGLE-2015-BLG-1482 simultaneously observed from two ground-based surveys and from Spitzer. The Spitzer data exhibit finite-source effects that aredue to the passage of ...
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An Oosterhoff Analysis of the Galactic Bulge Field RR Lyrae Stars: Implications on their Absolute Magnitudes
... of bulge RR Lyrae stars have found that the stars do not fit into the classic OoI and OoII designations (with a period shift of ...the Galactic plane (Lee & Carney 1999 ; de Lee 2008 ), and hence the ...
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Portail, Matthieu (2016): Structure and dynamics of the galactic bulge and bar. Dissertation, LMU München: Fakultät für Physik
... for galactic extinction, we use the extinction map presented in WG13, also derived from K -band ...the bulge and has a resolution of 1 0 which is much finer than the 42 0 × 42 0 COBE/DIRBE field ...the ...
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MOA 2011 BLG 262Lb : a sub earth mass moon orbiting a gas giant primary or a high velocity planetary system in the galactic bulge
... The evidence for this isolated planet population is statistical, and is based on the distribution of the Einstein radius crossing times, t E , for microlensing events seen toward the Galactic bulge. ...
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The formation of the Galactic bulge of the Milky Way
... the bulge formed via mergers as predicted by Cold Dark Matter (CDM) theory, or from disk instabilities, as suggested by its boxy shape, or both ...28,000 bulge stars in fields that span longitudes of −31 to ...
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Identification of Five Interacting Binaries in the Galactic Bulge Survey
... At bulge distance, L X = 6 × 10 32 erg s −1 , which is consistent with both NS and BH qLMXBs, while L X = 5 × 10 30 erg s −1 for a distance of 1 kpc, which is consistent with BH qLMXBs and ...
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The Galactic bulge survey : outline and X-ray observations
... bright read-out trail and piled-up core of source # 1 (see Table 3). In total we detected 1234 distinct sources in the area indicated with circles in Figure 1, including sources de- tected in the Bulge Latitude ...
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The Oldest Stars in the Galaxy – Searching for Metal-Poor Stars in the Galactic Bulge
... million bulge stars, and selecting 14,000 as potentially ...the bulge (Ness et al. 2013a). Not all parts of the bulge were equally prosperous; closer to the plane we suffered badly due to the effects ...
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The Gaia-ESO Survey: Low-α element stars in the Galactic bulge
... iDR4 bulge data to search for abundance anomalies that could shed light on the composite nature of the Milky Way ...standard bulge sequence in the [α/Fe] versus [Fe/H] ...the bulge globular cluster ...
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Galactic Aspects of Gravitational Microlensing: High Magnification Events and Stellar Limb-darkening of a Source Star in the Galactic bulge
... Unsere Modellierung und Analyse vier weiterer hochverst¨arkter Mikrolinsenereignisse veran- schaulicht die M ¨oglichkeit, die Detektionseffizienz von Mikrolinsen-Datens¨atzen hinsichtlich planetarer Begleiter zu ...
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