The Virgo Intra-Cluster Stars (VICS) project is a 37 orbit HST program to study the stellar constituents of Virgo's intracluster space. The survey is centered on a region of space 180 kpc (projected) from the nearest major galaxy (M 86), at a location where the underlying cluster surface brightness is μ V ˜ 27.5 ± 0.5. The data include extremely
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VICS: The Virgo Intra-Cluster Stars ProjectCiardullo, R. et al.122005Citations2
Violent star formation in NGC 2363
We present narrowband H-alpha imaging and long-slit optical and near-infrared spectroscopy of the giant H II region NGC 2363. The spectroscopic data are taken at two positions, in the brightest core and in a knot approximately 6 sec to the east, where we have found broad emission lines at 4660 A and 5810 A attributed to WC stars which suggest anGonzalez-Delgado, Rosa M. et al.
Violent Star Formation in NGC 2363: Erratum
In the paper "Violent Star Formation in NGC 2363" by Rosa M. Gonzalez- Delgado, Enrique Perez, Guillermo Tenorio-Tagle, Jose M. Vilchez, Elena Terlevich, Roberto Terlevich, Eduardo Telles, Jose M. Rodriguez-Espinosa, Miguel Mas-Hesse, Maria Luisa Garcia-Vargas, Angeles I. Diaz, Jordi Cepa, and Hector Castaneda (ApJ, 437,239 [1994)), there are threeGonzalez-Delgado, Rosa M. et al.
VIRGO: Experiment for Helioseismology and Solar Irradiance Monitoring
The scientific objective of the VIRGO experiment (Variability of solar IRradiance and Gravity Oscillations) is to determine the characteristics of pressure and internal gravity oscillations by observing irradiance and radiance variations, to measure the solar total and spectral irradiance and to quantify their variability over periods of days toFröhlich, Claus et al.
VIRGO: The solar monitor experiment on SOHO
The VIRGO Experiment (Variability of solar IRradiance and Gravity Oscillations) contains two types of active cavity radiometers for monitoring of the solar constant, two three-channel Sun photometers 335, 500, and 865 nm, and a low resolution imager (LOI) with 12 pixels. The main scientific objective is probing the solar interior by helioseismologyFroehlich, C. et al.
VISIR/VLT observations of brown dwarfs in Upper Scorpius
We present mid-IR observations of a sample of very low-mass stars and brown dwarfs in the Upper Scorpius association. The main goal of these observations is to derive the disk frequency and the disk properties of the sample in order to shed light on brown dwarf formation theories. The observations have been performed with VISIR at the Very LargeHuélamo, N. et al.