Roberto Ortiz
Roberto Ortiz
Professor de Astronomia, Universidade de São Paulo
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ISOGAL: A deep survey of the obscured inner Milky Way with ISO at 7 μm and 15 μm and with DENIS in the near-infrared
A Omont, GF Gilmore, C Alard, B Aracil, T August, K Baliyan, S Beaulieu, ...
Astronomy & Astrophysics 403 (3), 975-992, 2003
A model of the Galaxy for predicting star counts in the infrared
R Ortiz, JRD Lepine
Astronomy and Astrophysics 279, 90-106, 1993
OH/IR stars: near-infrared photometry, and discussion of the Mira-OH/IR sequence.
JRD Lepine, R Ortiz, N Epchtein
Astronomy and Astrophysics 299, 453, 1995
OH/IR stars in the inner bulge detected by ISOGAL
R Ortiz, J Blommaert, E Copet, S Ganesh, HJ Habing, M Messineo, ...
Astronomy & Astrophysics 388 (1), 279-292, 2002
Evolution from AGB to planetary nebula in the MSX survey
R Ortiz, S Lorenz-Martins, WJ Maciel, EM Rangel
Astronomy & Astrophysics 431 (2), 565-574, 2005
The rotation curve of the Galaxy obtained from planetary nebulae and AGB stars
LH Amaral, R Ortiz, JRD Lépine, WJ Maciel
Monthly Notices of the Royal Astronomical Society 281 (1), 339-347, 1996
Study of calcium oxalate monohydrate of kidney stones by X-ray diffraction
MTD Orlando, L Kuplich, DO De Souza, H Belich, JB Depianti, ...
Powder diffraction 23 (S1), S59-S64, 2008
DENIS and ISOGAL properties of variable star candidates in the Galactic Bulge
M Schultheis, S Ganesh, IS Glass, A Omont, R Ortiz, G Simon, ...
Astronomy and Astrophysics 362, 215-222, 2000
Ultraviolet emission from main-sequence companions of AGB stars
R Ortiz, MA Guerrero
Monthly Notices of the Royal Astronomical Society 461 (3), 3036-3046, 2016
GEMINI near-infrared spectroscopic observations of young massive stars embedded in molecular clouds
A Roman-Lopes, Z Abraham, R Ortiz, A Rodriguez-Ardila
Monthly Notices of the Royal Astronomical Society 394 (1), 467-478, 2009
AGB stars: densities and formation rates obtained from OH/IR stars.
R Ortiz, WJ Maciel
Astronomy and Astrophysics 313, 180-190, 1996
A distance scale of planetary nebulae based on mid-infrared data
R Ortiz, MVF Copetti, S Lorenz-Martins
Monthly Notices of the Royal Astronomical Society 418 (3), 2004-2013, 2011
The OH/IR-planetary nebula connection: Space distribution and kinematics
R Ortiz, WJ Maciel
Astronomy and Astrophysics 287, 552-558, 1994
The young stellar cluster [DBS2003] 157 associated with the H ii region GAL 331.31−00.34
MC Pinheiro, Z Abraham, MVF Copetti, R Ortiz, DA Falceta-Gonçalves, ...
Monthly Notices of the Royal Astronomical Society 423 (3), 2425-2435, 2012
Space Velocity and Time Span of Jets in Planetary Nebulae
MA Guerrero, JS Rechy-García, R Ortiz
The Astrophysical Journal 890 (1), 50, 2020
Ultraviolet and optical spectroscopy of AGB stars showing UV excess
R Ortiz, MA Guerrero, RDD Costa
Monthly Notices of the Royal Astronomical Society 482 (4), 4697-4712, 2019
A revised distance scale of planetary nebulae
R Ortiz
Astronomy & Astrophysics 560, A85, 2013
The young stellar cluster associated with IRAS 09149-4743
R Ortiz, A Roman-Lopes, Z Abraham
Astronomy & Astrophysics 461 (3), 949-955, 2007
VIII Olimpíada Brasileira de Astronomia e Astronáutica
JB Garcia Canalle, JF Villas da Rocha, CA Wuensche de Souza, ...
Bulletin of the Astronomical Society of Brazil 26 (2), 31-68, 2007
X-Ray AGB Stars in the 4XMM-DR9 Catalog: Further Evidence for Companions
R Ortiz, MA Guerrero
The Astrophysical Journal 912 (2), 93, 2021
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