Results 31 to 40 of about 5,023,389 (339)

The Milky Way’s plane of satellites is consistent with ΛCDM

Nature Astronomy, 2022
The Milky Way is surrounded by 11 ‘classical’ satellite galaxies in a remarkable configuration: a thin plane that is possibly rotationally supported. Such a structure is thought to be highly unlikely to arise in the standard ( Λ CDM) cosmological model (
Till Sawala, Marius Cautun, C. Frenk, J. Helly, J. Jasche, A. Jenkins, P. Johansson, G. Lavaux, S. McAlpine, M. Schaller   +9 more
semanticscholar   +1 more source

Probing the Milky Way [PDF]

Astronomy & Geophysics, 2016
Charlie Walker, Ben Shaw and colleagues give an overview of how the sensitivity, superb resolution and lack of obscuration in e-MERLIN data is changing what we know about our home galaxy and the lifecycles of its stars.
Asanok, K, Fenech, D, Greaves, J, Healy, F, Hoare, M, Mooley, K, Prinja, R, Rodriguez, L, Shaw, B, Walker, C   +9 more
openaire   +6 more sources

Sloan Digital Sky Survey IV: Mapping the Milky Way, Nearby Galaxies, and the Distant Universe [PDF]

, 2017
We describe the Sloan Digital Sky Survey IV (SDSS-IV), a project encompassing three major spectroscopic programs. The Apache Point Observatory Galactic Evolution Experiment 2 (APOGEE-2) is observing hundreds of thousands of Milky Way stars at high ...
M. Blanton, M. Bershady, Bela Abolfathi, F. D. Albareti, C. Prieto, Andres Almeida, J. Alonso-Garc'ia, F. Anders, S. Anderson, B. Andrews, E. Aquino-Ort'iz, A. Arag'on-Salamanca, Maria Argudo-Fern'andez, E. Armengaud, E. Aubourg, V. Avila-Reese, C. Badenes, S. Bailey, K. Barger, J. Barrera-Ballesteros, Curtis Bartosz, Dominic J Bates, Falk Baumgarten, J. Bautista, R. Beaton, T. Beers, F. Belfiore, C. Bender, A. Berlind, M. Bernardi, F. Beutler, J. Bird, D. Bizyaev, G. Blanc, M. Blomqvist, A. Bolton, M. Boquien, J. Borissova, R. V. D. Bosch, J. Bovy, W. Brandt, J. Brinkmann, J. Brownstein, K. Bundy, A. Burgasser, É. Burtin, N. Busca, M. Cappellari, Maria Leticia Delgado Carigi, J. Carlberg, A. Rosell, R. Carrera, B. Cherinka, Edmond Cheung, Y. G. M. Chew, C. Chiappini, P. D. Choi, D. Chojnowski, C. Chuang, Haeun Chung, R. Cirolini, N. Clerc, R. Cohen, J. Comparat, L. Costa, M. Cousinou, K. Covey, J. Crane, R. Croft, I. Cruz-González, D. Cuadra, K. Cunha, G. Damke, J. Darling, R. Davies, K. Dawson, A. Macorra, N. D. Lee, T. Delubac, F. D. Mille, A. Diamond-Stanic, M. Cano-d'iaz, J. Donor, J. Downes, N. Drory, Hélion Marie du Mas des Bourboux, Christopher Duckworth, T. Dwelly, Jamie Dyer, G. Ebelke, D. Eisenstein, E. Emsellem, M. Eracleous, S. Escoffier, M. Evans, Xiaohui Fan, E. Fern'andez-Alvar, J. Fernández-Trincado, D. Feuillet, A. Finoguenov, S. Fleming, A. Font-Ribera, A. Fredrickson, G. Freischlad, P. Frinchaboy, L. Galbany, R. Garcia-Dias, D. A. Garc'ia-Hern'andez, P. Gaulme, D. Geisler, J. Gelfand, H. Gil-Mar'in, B. Gillespie, D. Goddard, V. Gonzalez-Perez, K. Grabowski, P. Green, C. Grier, J. Gunn, Hong Guo, J. Guy, A. Hagen, C. Hahn, Matt Hall, P. Harding, S. Hasselquist, S. Hawley, F. Hearty, J. G. Hern'andez, S. Ho, D. Hogg, K. Holley-Bockelmann, J. Holtzman, Parker H. Holzer, J. Huehnerhoff, T. Hutchinson, H. Hwang, H. Ibarra-Medel, G. S. Ilha, I. Ivans, K. Ivory, K. Jackson, Trey W. Jensen, Jennifer A. Johnson, Amy M. Jones, H. Jőnsson, E. Jullo, Vikrant Kamble, K. Kinemuchi, D. Kirkby, F. Kitaura, M. Klaene, G. Knapp, J. Kneib, J. Kollmeier, I. Lacerna, R. Lane, D. Lang, D. Law, D. Lazarz, J. Goff, Fu-heng Liang, Cheng Li, L. Hongyu, M. Lima, Lihwai Lin, Yen-Ting Lin, S. B. D. Lis, Chao Liu, Miguel Angel C. de Icaza Lizaola, D. Long, S. Lucatello, B. Lundgren, N. MacDonald, Alice Deconto Machado, C. MacLeod, S. Mahadevan, M. Maia, R. Maiolino, S. Majewski, E. Malanushenko, V. Malanushenko, A. Manchado, S. Mao, C. Maraston, R. Marques-Chaves, K. Masters, C. McBride, R. McDermid, B. McGrath, I. McGreer, N. M. Pena, Matthew Melendez, A. Merloni, M. Merrifield, S. Mészáros, A. Meza, I. Minchev, D. Minniti, T. Miyaji, S. More, J. Mulchaey, F. Muller-S'anchez, D. Muna, R. Muñoz, A. Myers, P. Nair, K. Nandra, J. C. Nascimento, A. Negrete, M. Ness, J. Newman, R. Nichol, D. Nidever, C. Nitschelm, P. Ntelis, J. O’Connell, R. Oelkers, A. Oravetz, D. Oravetz, Z. Pace, N. Padilla, N. Palanque-Delabrouille, P. Palicio, K. Pan, T. Parikh, I. Pâris, Changbom Park, A. Patten, S. Peirani, M. Pellejero-Ibáñez, S. Penny, W. Percival, I. Pérez-Fournon, P. Petitjean, M. Pieri, M. Pinsonneault, A. Pisani, R. Poleski, F. Prada, A. Prakash, A. Queiroz, M. Raddick, A. Raichoor, S. Rembold, H. Richstein, R. Riffel, R. Riffel, H. Rix, A. Robin, C. Rockosi, S. Rodr'iguez-Torres, A. Roman-Lopes, C. Rom'an-Z'uniga, M. Rosado, A. Ross, G. Rossi, J. Ruan, R. Ruggeri, E. Rykoff, Salvador Salazar-Albornoz, M. Salvato, Ariel G. S'anchez, D. Aguado, J. S'anchez-Gallego, F. Santana, B. Santiago, Conor Sayres, R. Schiavon, J. Schimoia, E. Schlafly, D. Schlegel, D. Schneider, M. Schultheis, W. Schuster, A. Schwope, H. Seo, Z. Shao, S. Shen, M. Shetrone, M. Shull, J. Simon, D. Skinner, M. Skrutskie, A. Slosar, V. Smith, J. Sobeck, F. Sobreira, G. Somers, D. Souto, D. Stark, K. Stassun, F. Stauffer, M. Steinmetz, T. Storchi-Bergmann, A. Streblyanska, G. Stringfellow, Genaro Su'arez, Jing Sun, N. Suzuki, L. Szigeti, M. Taghizadeh-Popp, B. Tang, C. Tao, J. Tayar, Mita Tembe, J. Teske, A. Thakar, D. Thomas, B. Thompson, J. Tinker, P. Tissera, R. Tojeiro, H. Toledo, S. D. Torre, C. Tremonti, N. Troup, O. Valenzuela, Inma Martinez Valpuesta, Jaime Vargas-Gonz'alez, M. Vargas-Magaña, J. Vázquez, S. Villanova, M. Vivek, N. Vogt, D. Wake, R. Walterbos, Yuting Wang, B. Weaver, A. Weijmans, D. Weinberg, K. Westfall, D. Whelan, V. Wild, John Wilson, W. M. Wood-Vasey, D. Wylezalek, T. Xiao, R. Yan, Meng Yang, J. E. Ybarra, C. Yéche, N. Zakamska, O. Zamora, P. Zarrouk, G. Zasowski, Kai Zhang, Gong-Bo Zhao, Zheng Zheng, Zhi-min Zhou, G. Zhu, M. Zoccali, H. Zou   +352 more
semanticscholar   +1 more source

The merger that led to the formation of the Milky Way’s inner stellar halo and thick disk [PDF]

Nature, 2018
The assembly of our Galaxy can be reconstructed using the motions and chemistry of individual stars1,2. Chemo-dynamical studies of the stellar halo near the Sun have indicated the presence of multiple components3, such as streams4 and clumps5, as well as
A. Helmi, C. Babusiaux, H. Koppelman, D. Massari, J. Veljanoski, Anthony G. A. Brown   +5 more
semanticscholar   +1 more source

Constraints on Dark Matter Properties from Observations of Milky Way Satellite Galaxies.

Physical Review Letters, 2021
We perform a comprehensive study of Milky Way (MW) satellite galaxies to constrain the fundamental properties of dark matter (DM). This analysis fully incorporates inhomogeneities in the spatial distribution and detectability of MW satellites and ...
E. Nadler, A. Drlica-Wagner, K. Bechtol, S. Mau, Risa Wechsler, V. Gluscevic, K. Boddy, A. Pace, T. S. Li, M. McNanna, A. Riley, J. García-Bellido, Yao-Yuan Mao, G. Green, D. Burke, A. Peter, B. Jain, T. Abbott, M. Aguena, S. Allam, J. Annis, S. Ávila, D. Brooks, M. Carrasco Kind, J. Carretero, M. Costanzi, L. D. da Costa, J. D. de Vicente, S. Desai, H. Diehl, P. Doel, S. Everett, A. Evrard, B. Flaugher, J. Frieman, D. Gerdes, D. Gruen, R. Gruendl, J. Gschwend, G. Gutiérrez, S. Hinton, K. Honscheid, D. Huterer, D. James, E. Krause, K. Kuehn, N. Kuropatkin, O. Lahav, M. Maia, J. Marshall, F. Menanteau, R. Miquel, A. Palmese, F. Paz-Chinchón, A. Plazas, A. Romer, E. Sánchez, V. Scarpine, S. Serrano, I. Sevilla-Noarbe, M. Smith, M. Soares-Santos, E. Suchyta, M. Swanson, G. Tarlé, D. Tucker, A. Walker, W. Wester   +67 more
semanticscholar   +1 more source

Trigonometric Parallaxes of High-mass Star-forming Regions: Our View of the Milky Way [PDF]

Astrophysical Journal, 2019
We compile and analyze approximately 200 trigonometric parallaxes and proper motions of molecular masers associated with very young high-mass stars. Most of the measurements come from the BeSSeL Survey using the VLBA and the Japanese VERA project.
M. Reid, K. Menten, A. Brunthaler, X. Zheng, T. Dame, Y. Xu, J. Li, N. Sakai, Y. Wu, K. Immer, B. Zhang, A. Sanna, L. Moscadelli, K. Rygl, A. Bartkiewicz, B. Hu, Luis Henry Quiroga-Nuñez, H. Langevelde   +17 more
semanticscholar   +1 more source

Rotation Curve of the Milky Way and the Dark Matter Density [PDF]

Galaxies, 2020
We review the current status of the study of rotation curve (RC) of the Milky Way, and present a unified RC from the Galactic Center to the galacto-centric distance of about 100 kpc.
Y. Sofue
semanticscholar   +1 more source

Kraken reveals itself – the merger history of the Milky Way reconstructed with the E-MOSAICS simulations [PDF]

Monthly notices of the Royal Astronomical Society, 2020
Globular clusters (GCs) formed when the Milky Way experienced a phase of rapid assembly. We use the wealth of information contained in the Galactic GC population to quantify the properties of the satellite galaxies from which the Milky Way assembled ...
J. Kruijssen, J. Pfeffer, M. Chevance, A. Bonaca, Sebastian Trujillo-Gomez, N. Bastian, M. Reina-Campos, R. Crain, M. Hughes   +8 more
semanticscholar   +1 more source

The Rapid Onset of Stellar Bars in the Baryon-dominated Centers of Disk Galaxies

The Astrophysical Journal, 2023
Recent observations of high-redshift galactic disks ( z ≈ 1–3) show a strong negative trend in the dark-matter (DM) fraction f _DM with increasing baryon surface density.
Joss Bland-Hawthorn, Thor Tepper-Garcia, Oscar Agertz, Ken Freeman   +3 more
doaj   +1 more source

Antimatter in the Milky Way [PDF]

Nuclear Physics B, 2007
Observational signatures of existence of antimatter objects in the Galaxy are discussed. We focus on point-like sources of gamma radiation, diffuse galactic gamma ray background and anti-nuclei in cosmic rays.
A.D. Dolgov, A.D. Dolgov, Cosimo Bambi, Cosimo Bambi   +3 more
openaire   +3 more sources