Results 151 to 160 of about 329,644 (212)

Galactic Archaeology in the Era of Large Surveys

, 2020
In this Thesis, I study the formation and chemical evolution of the Milky Way by means of new and detailed chemical evolution models in the light of the most recent data from Galactic surveys and missions. Indeed, we are in a golden era for Galactic Archaeology thanks to the advent of several Galactic spectroscopic surveys and missions.
openaire   +1 more source

Isotopic evidence for a cold and distant origin of 3I/ATLAS. [PDF]

Nature
Cordiner M, Roth NX, Micheli M, Villanueva G, Farnocchia D, Charnley S, Biver N, Bockelée-Morvan D, Bodewits D, Chandler CO, Crovisier J, Drozdovskaya MN, Furuya K, Kelley MSP, Milam S, Noonan JW, Opitom C, Schwamb ME, Thomas CA.   +18 more
europepmc   +1 more source

Astronomical spectra as language: Order-agnostic foundation model for low-SNR reconstruction and stellar parameter prediction. [PDF]

iScience
Xu J, Song X, Li Y, Wang C, Fu Z, Luo A, Liu J.   +6 more
europepmc   +1 more source

Where are the most ancient stars in the Milky Way? [PDF]

Mon Not R Astron Soc, 2018
El-Badry K, Bland-Hawthorn J, Wetzel A, Quataert E, Weisz DR, Boylan-Kolchin M, Hopkins PF, Faucher-Giguère CA, Kereš D, Garrison-Kimmel S.   +9 more
europepmc   +1 more source

A direct black-hole mass measurement in a little red dot at high redshift. [PDF]

Nature
Juodžbalis I, Marconcini C, D'Eugenio F, Maiolino R, Marconi A, Übler H, Scholtz J, Ji X, Jones GC, Perna M, Arribas S, Bennett JS, Bromm V, Bunker AJ, Carniani S, Charlot S, Cresci G, Dayal P, Egami E, Fabian A, Inayoshi K, Isobe Y, Ivey LR, Koudmani S, Laporte N, Liu B, Lyu J, Mazzolari G, Monty S, Parlanti E, Pérez-González PG, Robertson B, Schneider R, Sijacki D, Tacchella S, Trinca A, Valiante R, Volonteri M, Witstok J, Zhang S.   +39 more
europepmc   +1 more source

Potential impact of the Sagittarius dwarf galaxy on the formation of young O-rich stars. [PDF]

Nat Commun
Sun T, Bi S, Chen X, Chen Y, Lu YL, Liu C, Buck T, Zhang X, Li T, Li Y, Wu Y, Ge Z, Ye L.   +12 more
europepmc   +1 more source

Tracing ancient solar cycles with tree rings and radiocarbon in the first millennium BCE. [PDF]

Nat Commun
Brehm N, Pearson CL, Christl M, Bayliss A, Nicolussi K, Pichler T, Brown D, Wacker L.   +7 more
europepmc   +1 more source

Age and origin of a Cahokian wooden monument at the Mitchell site, Illinois, USA. [PDF]

PLoS One
Kessler NV, Benson EM, Pauketat TR, Kirk JD, Therrell MD.   +4 more
europepmc   +1 more source

Pre-Columbian earth-builders settled along the entire southern rim of the Amazon. [PDF]

Nat Commun, 2018
de Souza JG, Schaan DP, Robinson M, Barbosa AD, Aragão LEOC, Marimon BH, Marimon BS, da Silva IB, Khan SS, Nakahara FR, Iriarte J.   +10 more
europepmc   +1 more source

Galactic archaeology with metal-poor stars

, 2017
The chemical fingerprints of old, metal-poor stars can be used to unravel the events of the newborn Universe and help us understand the properties of the first stars and star clusters. The study of nearby stars to infer properties in the distant past is often referred to as Galactic archaeology.
openaire   +1 more source