activity
19982016
most citedExtragalactic chemical abundances: do HII regions and young stars tell the same story? The case of the spiral galaxy NGC 300

272 citations · 1.2k across the 42 of their papers we have counts for

collaborators
Showing 2007 · astro-phShow all

7 papers · 2 filters

astro-ph2007★ 36 cited

The Araucaria Project. Near-Infrared Photometry of Cepheid Variables in the Sculptor Galaxy NGC 55

W. Gieren, G. Pietrzynski, I. Soszynski +4

We have obtained deep images in the near-infrared J and K filters of four fields in the Sculptor Group spiral galaxy NGC 55 with the ESO VLT and ISAAC camera. For 40 long-period Ce…

astro-ph2007★ 110 cited

VLT spectroscopy of blue supergiants in IC 1613

Fabio Bresolin, Miguel A. Urbaneja, Wolfgang Gieren +2

We present multi-object spectroscopy of young, massive stars in the Local Group galaxy IC 1613. We provide the spectral classification and a detailed spectral catalog for 54 OBA st…

astro-ph2007★ 5 cited

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates IV: The Puzzle of the Extremely Red OGLE-TR-82 Primary Solved

Sergio Hoyer, Sebastian Ramirez Alegria, Valentin D. Ivanov +12

We present precise new V, I, and K-band photometry for the planetary transit candidate star OGLE-TR-82. Good seeing V-band images acquired with VIMOS instrument at ESO VLT allowed…

astro-ph2007★ 1 cited

Binary Lenses in OGLE-III EWS Database. Season 2004

M. Jaroszynski, J. Skowron, A. Udalski +7

We present 19 binary lens candidates from OGLE-III Early Warning System database for the season of 2004. We have also found five events interpreted as single mass lensing of double…

astro-ph2007★ 51 cited

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates III: Accurate Radius and Period for OGLE-TR-111-b

Dante Minniti, José Miguel Fernández, Rodrigo F. Díaz +6

We present accurate V-band photometry for a planetary transit of OGLE-TR-111 acquired with VIMOS at the ESO Very Large Telescope. The measurement of this transit allows to refine t…

astro-ph2007★ 37 cited

Millimagnitude Photometry for Transiting Extrasolar Planetary Candidates: II. Transits of OGLE-TR-113-b in the Optical and Near-IR

Rodrigo F. Díaz, Sebastián Ramírez, José Miguel Fernández +10

We present precise V and Ks-band transit photometry for the planetary host star OGLE-TR-113. Using the Ks-band photometry, we confirm the dwarf nature of OGLE-TR-113, and obtain ne…