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Science with the Brazilian robotic telescope

Grant number: 19/26492-3
Support Opportunities:Special Projects
Duration: February 01, 2021 - January 31, 2026
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Stellar Astrophysics
Principal Investigator:Claudia Lucia Mendes de Oliveira
Grantee:Claudia Lucia Mendes de Oliveira
Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Pesquisadores principais:
Laerte Sodré Junior ; Luis Raul Weber Abramo
Associated researchers:Angela Cristina Krabbe ; Cássio Leandro Dal Ri Barbosa ; Clecio Roque De Bom ; Eduardo Serra Cypriano ; Hektor Sthenos Alves Monteiro ; Irapuan Rodrigues de Oliveira Filho ; Raimundo Lopes de Oliveira Filho ; Ramachrisna Teixeira ; Roberto Bertoldo Menezes ; Roberto Cid Fernandes Junior1 ; Roderik Adriaan Overzier ; Valter Yogui ; Vanderlei Cunha Parro ; Vera Jatenco Silva Pereira ; Vinicius Moris Placco
Associated scholarship(s):23/09770-5 - Cosmological simulations, galaxy mocks and cosmology from surveys, BP.IC
23/03688-5 - Development of tools for data acquisition, reduction and calibration for S-PLUS, BP.TT
22/11067-8 - Cosmological constraints from multiple tracers observed with S-PLUS, BP.TT
+ associated scholarships 22/01970-2 - Stellar populations of galaxies in groups in the local universe, BP.IC
22/00996-8 - Technical and operational activities on the T80-South robotic telescope and its database., BP.TT
21/08983-0 - Determining distances of quasars in S-PLUS using deep learning, BP.IC
21/09528-4 - Stellar parameters to S-PLUS stars through SED fitting, BP.IC - associated scholarships


This thematic grant application is the natural continuation of a previous successful project funded by FAPESP to build a 0.8m-aperture optical robotic telescope+wide camera, and implement an optical survey over a large area of the southern sky. The telescope, T80-South, and its large-format camera were mounted and successfully comissioned at Cerro Tololo, Chile, and they are now in regular operation. T80-South is equipped with a 9.2k x 9.2k e2v detector with 10-micron pixels, giving a field-of-view of 2 square degrees,with a plate scale of 0.55 arcsec per pixel. In its first years of operation, T80-South will be dedicated to the survey called S-PLUS (Southern Photometric Local Universe Survey). The present proposal has the main goal to maximize the science outcome from the several sub-surveys of S-PLUS, which is imaging 9300 square degrees of the celestial sphere in twelve optical bands, to obtain data for a community of over 100 astronomers. The survey consists of four main subfields. These include two non-contiguous fields at high Galactic latitudes (|b| > 30 deg, 8000 square degrees) and two areas of the Galactic plane and bulge (for an additional 1300 square degrees. S-PLUS uses the Javalambre 12-band magnitude system, which includes ugriz broad-band filters and 7 narrow-band filters centred on prominent stellar spectral features: [OII], Ca H+K, Hdelta, G-band, Mgb triplet, Halpha and Ca triplet. S-PLUS delivers accurate photometric redshifts ($\delta_{z}/(1+z)=0.02$ or better) for galaxies with r<0 and z<0.5, thus providing a map of the local universe. It also allows the study of star formation and stellar populations in and around the Milky Way and nearby galaxies,and it enables searches for quasars, variable sources, and low-metallicity and carbon-enhanced metal-poor stars. The first public data release of 336 square degrees of the Stripe-82 area is available at This grant is to be able to FINISH the survey that we started so successfully with the previous Fapesp investment of 2M dollars (from process 2009/54202-8). We note that this is the largest Brazilian-led survey project ever performed and its successful completion is vital for the development of our community both in the technical and the scientific aspects, and for performing even more complex projects in the future. (AU)

Articles published in Pesquisa FAPESP Magazine about the research grant:
La inteligencia artificial ayuda a distinguir a las galaxias espirales de las elípticas 
Artificial intelligence helps distinguish spiral galaxies from elliptical ones 
Un fósil estelar 
Articles published in Agência FAPESP Newsletter about the research grant:
Articles published in other media outlets (0 total):
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Scientific publications (6)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
BOM, C. R.; CORTESI, A.; LUCATELLI, G.; DIAS, L. O.; SCHUBERT, P.; OLIVEIRA SCHWARZ, G. B.; CARDOSO, N. M.; LIMA, E. V. R.; DE OLIVEIRA, C. MENDES; SODRE, L.; et al. Deep Learning assessment of galaxy morphology in S-PLUS Data Release 1. Monthly Notices of the Royal Astronomical Society, v. 507, n. 2, p. 1937-1955, . (19/26492-3, 09/54202-8, 19/10923-5, 19/11910-4)
WHITTEN, DEVIN D.; PLACCO, VINICIUS M.; BEERS, TIMOTHY C.; AN, DEOKKEUN; LEE, YOUNG SUN; ALMEIDA-FERNANDES, FELIPE; HERPICH, FABIO R.; DAFLON, SIMONE; BARBOSA, CARLOS E.; PEROTTONI, HELIO D.; et al. The Photometric Metallicity and Carbon Distributions of the Milky Way's Halo and Solar Neighborhood from S-PLUS Observations of SDSS Stripe 82. ASTROPHYSICAL JOURNAL, v. 912, n. 2, . (16/12331-0, 18/21661-9, 09/54202-8, 19/26492-3, 18/20977-2, 19/11910-4, 18/21250-9)
ALMEIDA-FERNANDES, F.; SAMPEDRO, L.; HERPICH, F. R.; MOLINO, A.; BARBOSA, C. E.; BUZZO, M. L.; OVERZIER, R. A.; DE LIMA, E. V. R.; NAKAZONO, L. M., I; OLIVEIRA SCHWARZ, G. B.; et al. Data Release 2 of S-PLUS: Accurate template-fitting based photometry covering similar to 1000 deg(2) in 12 optical filters. Monthly Notices of the Royal Astronomical Society, v. 511, n. 3, p. 29-pg., . (09/54202-8, 16/12331-0, 19/01312-2, 18/09165-6, 19/10923-5, 19/26492-3, 20/00457-4, 19/23388-0, 14/10566-4, 18/20977-2, 19/11910-4, 19/26412-0, 11/51680-6, 18/21250-9, 17/18191-8)
DE MARCO, ORSOLA; AKASHI, MUHAMMAD; AKRAS, STAVROS; ALCOLEA, JAVIER; ALEMAN, ISABEL; AMRAM, PHILIPPE; BALICK, BRUCE; DE BECK, ELVIRE; BLACKMAN, ERIC G.; BOFFIN, HENRI M. J.; et al. The messy death of a multiple star system and the resulting planetary nebula as observed by JWST. NATURE ASTRONOMY, v. 6, n. 12, p. 12-pg., . (19/11910-4, 17/50277-0, 19/26492-3)
MERGULHAO, THIAGO; RUBIRA, HENRIQUE; VOIVODIC, RODRIGO; RAUL ABRAMO, L.. The effective field theory of large-scale structure and multi-tracer. Journal of Cosmology and Astroparticle Physics, v. N/A, n. 4, p. 34-pg., . (16/19647-2, 19/26492-3)
NAKAZONO, L.; DE OLIVEIRA, C. MENDES; HIRATA, N. S. T.; JERAM, S.; QUEIROZ, C.; EIKENBERRY, STEPHEN S.; GONZALEZ, A. H.; ABRAMO, R.; OVERZIER, R.; ESPADOTO, M.; et al. On the discovery of stars, quasars, and galaxies in the Southern Hemisphere with S-PLUS DR2. Monthly Notices of the Royal Astronomical Society, v. 507, n. 4, p. 5847-5868, . (18/09165-6, 19/06766-1, 19/10923-5, 15/22308-2, 19/26492-3, 18/20977-2, 14/10566-4, 19/01312-2, 18/25671-9, 19/23388-0, 17/25835-9, 15/11442-0, 16/12331-0)

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