Results 181 to 190 of about 126,365 (213)

Theoretical Models of the Galactic Bulge

, 2016
Shen JT(沈俊太)
core  

A freely precessing magnetar following an X-ray outburst. [PDF]

Nat Astron
Desvignes G, Weltevrede P, Gao Y, Jones DI, Kramer M, Caleb M, Karuppusamy R, Levin L, Liu K, Lyne AG, Shao L, Stappers B, Pétri J.   +12 more
europepmc   +1 more source

Strong Lensing by Galaxies. [PDF]

Space Sci Rev
Shajib AJ, Vernardos G, Collett TE, Motta V, Sluse D, Williams LLR, Saha P, Birrer S, Spiniello C, Treu T.   +9 more
europepmc   +1 more source

Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn

Fujimoto S, Ouchi M, Kohno K, Valentino F, Giménez-Arteaga C, Brammer G, Furtak L, Kohandel M, Oguri M, Pallottini A, Richard J, Zitrin A, Bauer F, Boylan-Kolchin M, Dessauges-Zavadsky M, Egami E, Finkelstein S, Ma Z, Smail I, Watson D, Hutchison T, Rigby J, Welch B, Ao Y, Bradley L, Caminha G, Caputi K, Espada D, Endsley R, Fudamoto Y, González-López J, Hatsukade B, Koekemoer A, Kokorev V, Laporte N, Lee M, Magdis G, Ono Y, Rizzo F, Shibuya T, Shimasaku K, Sun F, Toft S, Umehata H, Wang T, Yajima H.   +45 more
europepmc   +1 more source

ARGOS – II. The Galactic bulge survey [PDF]

Monthly Notices of the Royal Astronomical Society, 2013
International audienceWe describe the motivation, field locations and stellar selection for the Abundances and Radial velocity Galactic Origins Survey (ARGOS) spectroscopic survey of 28 000 stars in the bulge and inner disc of the Milky Way galaxy across
Kenneth Freeman, Joss Bland-Hawthorn, David Yong   +2 more
exaly   +6 more sources

Chemodynamical History of the Galactic Bulge [PDF]

Annual Review of Astronomy and Astrophysics, 2018
The Galactic Bulge can uniquely be studied from large samples of individual stars and is therefore of prime importance for understanding the stellar population structure of bulges in general. Here the observational evidence on the kinematics, chemical composition, and ages of Bulge stellar populations based on photometric and spectroscopic data is ...
BEATRIZ Barbuy, Cristina Chiappini, Ortwin Gerhard   +2 more
exaly   +4 more sources

Study of the Galactic Bulge Using New Planetary Nebulae Discovered on the AAO/UKST Hα Survey

, 2005
The AAO/UKST Halpha survey is revealing a substantial new population of Planetary Nebulae (PNe) over the southern Galactic Plane including ~550 in the Bulge. Such objects are excellent tracers for Bulge dynamical studies, are less affected by metallicity
A Acker, Q A Parker
exaly   +2 more sources

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The nature of the Galactic bulge

Monthly Notices of the Royal Astronomical Society, 1988
The bulge of the Galaxy as seen by IRAS forms a spatially concentrated system of long period cool variable stars. From the period distribution we show that a significant fraction of the IRAS bulge is younger than the globular cluster system. Thus the metal rich stars in the central ∼1 kpc of the Galaxy are not obviously part of the extended stellar ...
Robin Harmon, Gerard Gilmore
openaire   +1 more source

Stellar populations in the Galactic bulge [PDF]

Astronomy and Astrophysics, 2009
AIMS:The aim of this paper is to study the characteristics of the stellar populations and the metallicity distribution in the Galactic bulge. We study the entire stellar population, but also retrieve information using only the red clump stars.
Leo Girardi, M A T Groenewegen
exaly   +2 more sources

The Galactic Bulge

2014
I will give a brief overview of galactic bulges and then discuss in more detail what is known about the bulge of our Galaxy. The Milky Way has a small boxy/peanut-shaped bulge which we believe formed via instabilities of the disk rather than through mergers.
openaire   +1 more source