O Brasil verá quase todas as galáxias observáveis!
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1 Parque Botânico Vale Vitória-ES 13 de maio do 2018 O Brasil verá quase todas as galáxias observáveis! Valerio Marra cosmo-ufes.org
2 Um coração de 200 anos-luz para as mães! Nebulosa do Coração, IC 1805
3 O universo
4 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 4
5 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 5
6 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 6
7 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 7
8 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 8
9 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 9
10 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues 10
11 Where are we? Cosmo-UFES: visão geral do grupo, pesquisas e atividades Davi C. Rodrigues
12 Distance to Speed of light = 300,000 kilometers per second Around the Earth = 1/7 light seconds Earth-Moon = 1 light seconds Earth-Sun = 8 light minutes Earth-Pluto = 5 light hours August 2016: Astronomers detected an Earth-size planet orbiting the habitable zone of Proxima Centauri. Earth-nearest star (Alpha Centauri) = 4 light years Earth-center of Milky Way = 26,000 light years = 8,000 parsec Earth-nearest galaxy (Andromeda) = 2,500,000 light years Earth-farthest supernova = 15,000,000,000 light years 1 parsec = 3.3 light years
13 Hubble Ultra Deep Field 10,000 individual galaxies
14 Para as escalas cosmológicas, as galáxias - e seus bilhões de estrelas e planetas - são pontos!
15 VIX
16 O que é a cosmologia (moderna)? O que pretende descobrir?
17 1- A evolução do tamanho do universo
18 { 2- A evolução da estrutura em larga escala 400,000,000 anos luz t = 0.21 Gyr t = 13.6 Gyr t = 4.7 Gyr
19 Consequências? Inimagináveis! Em particular, descobriremos a composição do universo e as leis da física que governam não somente nossa galáxia mas o universo inteiro.
20 Radiation: 0.005% Chemical Elements: (other than H & He) 0.025% ν e νµ ν τ Neutrinos: 0.17% Stars: 0.8% H & He: gas 4%? Dark Matter: 25%? Dark Energy: 70%
21 Como conseguirá o Brasil fazer tudo isso? Observando 100 milhões de galáxias!
22 J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical Survey J-PAS was founded on the grounds of a MoU signed by CEFCA (Teruel, Spain), USP and ON. R$ 100 milhões: R$1/galáxia. Euclid é 20 vezes mais caro.
23 J-PAS: The Javalambre-Physics of the Accelerated Universe Astrophysical Survey Redbook: arxiv.org/abs/ The Javalambre-Physics of the Accelerated Universe Astrophysical Survey (J-PAS) is a narrow band, very wide field Cosmological Survey to be carried out from the Javalambre Observatory in Spain with a purpose-built, dedicated 2.5m telescope and a 4.7ut camera with 1.2Gpix. Starting in , J-PAS will observe 8500ut of Northern Sky and measure 0.003(1+z) precision photometric redshifts for LRG and ELG galaxies plus several million QSOs, about 50 times more than the largest current spectroscopic survey, sampling an effective volume of 14 Gpc 3 up to z = 1.3. J-PAS will be the first radial BAO experiment to reach Stage IV. J-PAS will also detect and measure the mass of galaxy clusters and groups, setting constrains on
24 Observatory Teruel Very dry: good for astronomy (and jamón serrano) El Pico del Buitre, Sierra de Javalambre
25 Observatory control rooms, residence altitude: 2000 m median seeing: T250 T80 seeing tower underground facilities extinction telescope
26 Observatory
27
28 Very compact telescope excellent étendue (FOV aperture) weight: kg
29 Complex design 3-lens aspherical field corrector curved secondary mirror
30 1.2 gigapixel JPCam
31 How to observe galaxies? quasi-spectroscopy (R~50) in every pixel Figure 1. Transmission curves of the 54 narrow band and two medium-band overlapping J-PAS filters spanning the optical range (colour lines). The width of each narrow-band filter is 145 Å and they are spaced by 100 Å. For comparison, the five SDSS filters are shown with grey-shaded shape.
32 Maintenance coating vacuum chamber for mirror aluminization dirty mirror
33 Control room and storage 3 control rooms Netapp cluster: 1.1 PB Robotic tape library: 4PB 5000+MB/s bandwidth
34
35 Congressos científicos cada 6 meses
36 Concluindo Estamos na era de ouro da cosmologia: - grandes investimentos - grandes colaborações mundiais - grandes instrumentos científicos!
37 Feliz Dia das Mães!
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