activity
20112025
most citedThe Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

205 citations · 683 across the 15 of their papers we have counts for

collaborators

15 papers

astro-ph.SR2025★ 10 cited

The Alma catalogue of OB stars. III. A cross-match with Gaia DR3 and an extension based on new spectral classifications

M. Pantaleoni González, J. Maíz Apellániz, R. H. Barbá +4

We present the third installment of the Alma Luminous Star (ALS) catalogue, aimed at creating the most comprehensive and clean sample of Galactic massive stars. This update extends…

astro-ph.GA2024★ 1 cited

The Villafranca project: Combining Gaia and ground-based surveys to study Galactic OB groups

J. Maíz Apellániz, R. H. Barbá, J. A. Molina Lera +2

The Villafranca project is studying Galactic stellar groups with OB stars combining information from and ground-based surveys. We summarize the status of the project and we…

astro-ph.SR2022

The Gaia view on massive stars: EDR3 and what to expect from DR3

J. Maíz Apellániz, R. H. Barbá, M. Pantaleoni González +7

At the time of this meeting, the latest Gaia data release is EDR3, published on 3 December 2020, but the next one, DR3, will appear soon, on 13 June 2022. This contribution describ…

astro-ph.SR2021★ 3 cited

Fundamental parameters of the massive eclipsing binary HM1 8

Cinthya N. Rodríguez, Gabriel A. Ferrero, Omar G. Benvenuto +5

We present a comprehensive study of the massive binary system HM1~8, based on multi-epoch high resolution spectroscopy, -band photometry and archival X-ray data. Spectra from th…

astro-ph.SR2020

A catalog of Galactic multiple systems with a red supergiant and a B star

M. Pantaleoni González, J. Maíz Apellániz, R. H. Barbá +1

Binary systems composed of a red supergiant and a B star are useful probes of stellar evolution. We have searched the literature to create a catalog of 108 Galactic systems of such…

astro-ph.GA2019★ 205 cited

The Southern Photometric Local Universe Survey (S-PLUS): improved SEDs, morphologies and redshifts with 12 optical filters

C. Mendes de Oliveira, T. Ribeiro, W. Schoenell +142

The Southern Photometric Local Universe Survey (S-PLUS) is imaging ~9300 deg^2 of the celestial sphere in twelve optical bands using a dedicated 0.8 m robotic telescope, the T80-So…

astro-ph.IM2019★ 10 cited

The GALANTE Photometric System

A. Lorenzo-Gutiérrez, E. J. Alfaro, J. Maíz Apellániz +9

This paper describes the characterization of the GALANTE photometric system, a seven intermediate- and narrow-band filter system with a wavelength coverage from 3000 to 9000 $Å…

astro-ph.GA2017★ 68 cited

Optical-NIR dust extinction towards Galactic O stars

J. Maíz Apellániz, R. H. Barbá

[ABRIDGED] Context. O stars are excellent tracers of the intervening ISM because of their high luminosity, blue intrinsic SED, and relatively featureless spectra. We are currently…

astro-ph.SR2017★ 14 cited

First constraints on the magnetic field strength in extra-Galactic stars: FORS2 observations of Of?p stars in the Magellanic Clouds

S. Bagnulo, Y. Naze, I. D. Howarth +6

Massive O-type stars play a dominant role in our Universe, but many of their properties remain poorly constrained. In the last decade magnetic fields have been detected in all Gala…

astro-ph.SR2017★ 11 cited

B fields in OB stars (BOB): The magnetic triple stellar system HD 164492C in the Trifid nebula

J. F. Gonzalez, S. Hubrig, N. Przybilla +15

HD 164492C is a spectroscopic triple stellar system that has been recently detected to possess a strong magnetic field. We have obtained high-resolution spectroscopic and spectropo…

astro-ph.SR2016★ 34 cited

A close encounter of the massive kind

J. Maíz Apellániz, H. Sana, R. H. Barbá +2

We have used (a) HST ACS imaging and STIS spectroscopy, (b) ground-based PIONIER/VLT long-baseline interferometry, and (c) ground-based spectroscopy from different instruments to s…

astro-ph.SR2016★ 174 cited

The Galactic O-Star Spectroscopic Survey (GOSSS). III. 142 additional O-type systems

J. Maíz Apellániz, A. Sota, J. I. Arias +9

This is the third installment of GOSSS, a massive spectroscopic survey of Galactic O stars, based on new homogeneous, high signal-to-noise ratio, R~2500 digital observations select…

astro-ph.SR2015★ 24 cited

The eccentric short-period orbit of the supergiant fast X-ray transient HD 74194 (=LM Vel)

R. Gamen, R. H. Barbá, N. R. Walborn +5

Aims. We present the first orbital solution for the O-type supergiant star HD 74194, which is the optical counterpart of the supergiant fast X-ray transient IGR J08408-4503. Method…

astro-ph.SR2015★ 8 cited

Broad Balmer Wings in BA Hyper/Supergiants Distorted by Diffuse Interstellar Bands: Five Examples in the 30 Doradus Region from the VLT-FLAMES Tarantula Survey

Nolan R. Walborn, Hugues Sana, Christopher J. Evans +11

Extremely broad emission wings at H and H have been found in VFTS data for five very luminous BA supergiants in or near 30 Doradus in the Large Magellanic Cloud. The profiles…

astro-ph.GA2011★ 121 cited

New Galactic Star Clusters Discovered in the VVV Survey

Jura Borissova, Charles Bonatto, Radostin Kurtev +27

VISTA Variables in the V\'ıa Láctea (VVV) is one of the six ESO Public Surveys operating on the new 4-meter Visible and Infrared Survey Telescope for Astronomy (VISTA). VVV is scan…