Concepedia
Statistics
Publications
24
Citations
888
H-Index
19
Active since
1996
Affiliations
Universidade de São Paulo(Current)
Netherlands Institute for Radio Astronomy
Instituto de Geofísica y Astronomía
Leonardo (United Kingdom)
Observatoire de la Côte d’Azur
R. D. D. Costa is an author at Universidade de São Paulo specializing in photometry, astrophysics, and physics.
Top concepts
PhotometryPhysicsAstrophysicsEngineeringChemistrySpace WeatherGeodesyHydrodynamicsEarth SciencesNatural Sciences
Publications per year
1996–2018
An estimate of the time variation of the O/H radial gradient from planetary nebulae
W. J. Maciel, R. D. D. Costa, M. M. M. Uchida · Astronomy and Astrophysics · 2002 · 108 citations · Full text
Cosmic Abundance, Galaxy Formation, Photometry +13
The populations of planetary nebulae in the direction of the Galactic bulge
S. K. Górny, G. Stasińska, Alfonso Escudero et al. · Astronomy and Astrophysics · 2004 · 83 citations · Full text
Cosmic Abundance, Galaxy Formation, Photometry +9
Chemical abundances of planetary nebulae towards the Galactic anticenter
R. D. D. Costa, M. M. M. Uchida, W. J. Maciel · Astronomy and Astrophysics · 2004 · 66 citations · Full text
Chemical Abundances, Cosmic Abundance, Photometry +7
Steps toward Determination of the Size and Structure of the Broad‐Line Region in Active Galactic Nuclei. X. Variability of Fairall 9 from Optical Data
M. Santos‐Lleó, E. Chatzichristou, C. Mendes de Oliveira et al. · The Astrophysical Journal Supplement Series · 1997 · 59 citations · Full text
New abundances of planetary nebulae in the Galactic Bulge
Alfonso Escudero, R. D. D. Costa, W. J. Maciel · Astronomy and Astrophysics · 2004 · 46 citations · Full text
Cosmic Abundance, Photometry, New Abundances +8
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