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VVV SURVEY

Proper motions in the VVV Survey: Results for more than 15 million stars across NGC 6544

Proper motions in the VVV Survey: Results for more than 15 million stars across NGC 6544

... ber identifies a given star in all the epochs. The instrumen- tal magnitudes were calibrated to the VISTA photometric system using ∼ 15 000 stars in common with the public CASU catalogs derived for the same epochs, by ...

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Mapping the outer bulge with RRab stars from the VVV Survey

Mapping the outer bulge with RRab stars from the VVV Survey

... the VVV Survey is to trace the Galac- tic structure using variable stars in order to make the most com- plete 3D view of the central regions of our Galaxy (Minniti et ...

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THE VVV SURVEY REVEALS CLASSICAL CEPHEIDS TRACING A YOUNG AND THIN STELLAR DISK ACROSS THE GALAXY'S BULGE

THE VVV SURVEY REVEALS CLASSICAL CEPHEIDS TRACING A YOUNG AND THIN STELLAR DISK ACROSS THE GALAXY'S BULGE

... All classical Cepheids discovered are younger than 100 Myr, since a Cepheid ’ s pulsation period is closely linked to its age ( Bono et al. 2005 ) . The youngest Cepheid observed may be ∼ 25 million years old ( Bono et ...

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Blue horizontal branch stars using the VVV survey

Blue horizontal branch stars using the VVV survey

... The VVV Survey provides us with more accurate and detailed data than other near-IR surveys such as the ...the VVV are detecting variable stars in the bulge, identifying variable stars belonging to ...

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The VVV Survey RR Lyrae Population in the Galactic Center Region

The VVV Survey RR Lyrae Population in the Galactic Center Region

... entire VVV observations comprise 348 tiles, 194 tiles in the bulge and 152 in the disk area ( Saito et ...the VVV survey are provided by the Cambridge Astronomical Survey Unit ( CASU ) using ...

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Constraining dust extinction properties via the VVV survey

Constraining dust extinction properties via the VVV survey

... the VVV survey were em- ployed to help establish color-excess and total extinction ratios across the ...The VVV observations were paired with mid- infrared observations, and used to determine the ...

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New Galactic star clusters discovered in the VVV survey

New Galactic star clusters discovered in the VVV survey

... The VVV Survey is supported by the European Southern Observatory, by BASAL Center for Astrophysics and Associated Technologies PFB-06, by FONDAP Center for Astrophysics 15010003, by the Ministry for the ...

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VVV Survey Microlensing: The Galactic Longitude Dependence

VVV Survey Microlensing: The Galactic Longitude Dependence

... We completed the search for microlensing events in the zero latitude area of the Galactic bulge using the VVV Survey near-infrared ( near-IR ) data obtained between 2010 and 2015. We have now a total sample ...

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Galaxies behind the galactic plane: First results and perspectives from the VVV survey

Galaxies behind the galactic plane: First results and perspectives from the VVV survey

... The VVV survey brings considerable progress to the obser- vation of fainter sources behind the Galactic plane due to its resolution and completeness ...whole VVV survey because d003 is a ...

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YOUNG STELLAR CLUSTERS CONTAINING MASSIVE YOUNG STELLAR OBJECTS IN THE VVV SURVEY

YOUNG STELLAR CLUSTERS CONTAINING MASSIVE YOUNG STELLAR OBJECTS IN THE VVV SURVEY

... ( VVV ) Survey is one of the six ESO Public Surveys using the 4 m VISTA telescope ( Arnaboldi et ...The VVV data are publicly available through the VISTA Science Archive ( VSA; Cross et ...the ...

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Extinction ratios in the inner Galaxy as revealed by the VVV survey

Extinction ratios in the inner Galaxy as revealed by the VVV survey

... (VVV) survey (Minniti et al. 2010) and its ex- tension, the VVV eXtendend (VVVX) survey, have been observing the inner regions of our Galaxy in the near-infrared since ...The VVV ...

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New VVV Survey Globular Cluster Candidates in the Milky Way Bulge

New VVV Survey Globular Cluster Candidates in the Milky Way Bulge

... the VVV Survey, and our candidates, if they are all genuine, augment the sample by more than ...the VVV Survey ...the VVV survey ( VVVX ) we might fi nd about a dozen more good ...

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Milky Way demographics with the VVV survey: IV  PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk

Milky Way demographics with the VVV survey: IV PSF photometry from almost one billion stars in the Galactic bulge and adjacent southern disk

... of VVV in the areas surveyed in the bulge (Saito et ...by VVV, we reckon that plotting a single CMD with all the stars detected does not provide a clear view of the stellar populations resid- ing in that ...

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Tracing the structure of the Milky Way with detached eclipsing binaries from the VVV survey   I  The method and initial results

Tracing the structure of the Milky Way with detached eclipsing binaries from the VVV survey I The method and initial results

... and VVV photometric ...the VVV, OGLE and also UKIDS/GPS surveys. The magnitude range of the VVV data seems to be perfect for tracing the structure of spiral arms behind the bulge, and possi- bly ...

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VVV Survey Microlensing Events in the Galactic Center Region

VVV Survey Microlensing Events in the Galactic Center Region

... the VVV Survey is a powerful tool to detect intermediate / long timescale microlensing events in highly reddened areas, and it enables a number of future applications, from analyzing individual events to ...

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Variable stars in the Quintuplet stellar cluster with the VVV survey

Variable stars in the Quintuplet stellar cluster with the VVV survey

... Differential Image Analysis (DIA; Wozniak 2008 and references therein) is a useful technique for variability detection in crowded fields. In this method, a reference image is selected whether as a single epoch from a ...

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Double horizontal branches in NGC 6440 and NGC 6569 unveiled by the VVV Survey

Double horizontal branches in NGC 6440 and NGC 6569 unveiled by the VVV Survey

... only the first epoch, while a unique set of three epochs were used in each of the three following subsets. The declared photometric errors in K s passband vary from 0.007–0.009 mag to 0.003–0.005 mag at the level of the ...

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Massive open star clusters using the VVV survey: I  Presentation of the data and description of the approach

Massive open star clusters using the VVV survey: I Presentation of the data and description of the approach

... The VVV-SkZ_pipeline (Mauro et ...The VVV- SkZ_pipeline is automated, based on ALLFRAME (Stetson 1994) and optimised for PSF photometry of VVV ...The VVV-SkZ_pipeline uses single pointing ...

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Massive open star clusters using the VVV survey II  Discovery of six clusters with Wolf Rayet stars

Massive open star clusters using the VVV survey II Discovery of six clusters with Wolf Rayet stars

... group of three embedded clusters (red) closer to the Galactic Centre. The first two arcs follow the spiral structure indicated by H ii regions and Cepheids, but they seem offset with respect to each other. In addition, ...

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Candidate star clusters toward the inner Milky Way discovered on deep stacked KS band images from the VVV Survey

Candidate star clusters toward the inner Milky Way discovered on deep stacked KS band images from the VVV Survey

... Results. This pilot project only investigates the cluster population in part of one VVV tile, that is, b201. We identified nine cluster candidates and estimated their parameters. The new candidates are compact ...

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