Search filters

List of works by Kathy Vivas

25 Orionis: A Kinematically Distinct 10 Myr Old Group in Orion OB1a

scientific article published in the Astrophysical Journal

A Classification Algorithm for Time-domain Novelties in Preparation for LSST Alerts. Application to Variable Stars and Transients Detected with DECam in the Galactic Bulge

scientific article published on 3 April 2020

A DECam Search for Explosive Optical Transients Associated with IceCube Neutrino Alerts

scientific article

A DECam view of the diffuse dwarf galaxy Crater II – Variable stars

scholarly article

A DECam view of the diffuse dwarf galaxy Crater II: the colour–magnitude diagram

scholarly article

A DESGW Search for the Electromagnetic Counterpart to the LIGO/Virgo Gravitational-wave Binary Neutron Star Merger Candidate S190510g

scientific article

A Hybrid Algorithm for Period Analysis from Multiband Data with Sparse and Irregular Sampling for Arbitrary Light-curve Shapes

scientific article published in Astronomical Journal

A Large‐Area CCD Camera for the Schmidt Telescope at the Venezuelan National Astronomical Observatory

scientific article

A Photometric Study of the Outer Halo Globular Cluster NGC 5824

scientific article published in Astronomical Journal

A Search for Faint Resolved Galaxies Beyond the Milky Way in DES Year 6: A New Faint, Diffuse Dwarf Satellite of NGC 55

scholarly article published in January 2024

A Search for Optical Emission from Binary Black Hole Merger GW170814 with the Dark Energy Camera

scholarly article by Z. Doctor et al published 15 March 2019 in Letters of the Astrophysical Journal

A comprehensive view of the Virgo stellar stream

scholarly article

A comprehensive, wide-field study of pulsating stars in the Carina dwarf spheroidal galaxy

scientific article published in January 2013

A new RR Lyrae survey of the galactic halo using QUEST collaboration data

scientific article published in January 2006

ASpitzer Space TelescopeStudy of Disks in the Young σ Orionis Cluster

scientific article published in the Astrophysical Journal

Absolute Magnitudes and Colors of RR Lyrae Stars in DECam Passbands from Photometry of the Globular Cluster M5

scientific article published in Astronomical Journal

Author Correction: The delay of shock breakout due to circumstellar material evident in most type II supernovae

scholarly article published in Nature Astronomy

Blanco DECam Bulge Survey (BDBS)

scientific article

Blanco DECam Bulge Survey (BDBS) II: project performance, data analysis, and early science results

scientific article

Census of protoplanetary disks in young stellar regions

scientific article published in January 2011

Confirmation of halo substructure using Quest RR Lyrae data: the new Virgo Stellar Stream (VSS)

Constraints on the Physical Properties of GW190814 through Simulations Based on DECam Follow-up Observations by the Dark Energy Survey

scientific article

Discovery of Distant RR Lyrae Stars in the Milky Way Using DECam

scientific article published in the Astrophysical Journal

Discovery of a stellar overdensity in Eridanus-Phoenix in the dark energy survey

scientific article published in the Astrophysical Journal

Discovery of two neighbouring satellites in the Carina constellation with MagLiteS

scientific article

Disentangling the Virgo overdensity with RR Lyrae stars

scientific article

Early stages in the evolution of protoplanetary disks

Eclipsing binary search in the QUEST low latitude catalogue and the ELLISA light curve simulator

scientific article

Exploring the Very Extended Low-surface-brightness Stellar Populations of the Large Magellanic Cloud with SMASH

scholarly article

Extended Stellar Populations in Ultrafaint Dwarf Galaxies

scholarly article published on 12 January 2024

Halo velocity groups in the Pisces overdensity

scientific article published in January 2010

Hydra II: a faint and compact Milky Way dwarf galaxy found in the survey of the Magellanic stellar history

article

Identification of RR Lyrae Stars in Multiband, Sparsely Sampled Data from the Dark Energy Survey Using Template Fitting and Random Forest Classification

scholarly article

Investigating the putskirts of the Milky Way: the Pisces Overdensity

scientific article published in January 2011

La Silla QUEST RR Lyrae star survey: region I

scientific article published in January 2014

Large scale variability survey of Orion I: mapping the young, low-mass stellar populations

scientific article published in January 2000

Large scale variability surveys from Venezuela: Orion OB1 and beyond

scholarly article

Mapping the Interstellar Reddening and Extinction toward Baade’s Window Using Minimum Light Colors of ab-type RR Lyrae Stars: Revelations from the De-reddened Color–Magnitude Diagrams

McNeil's Nebula in Orion: The Outburst History

scientific article published in the Astrophysical Journal

Modelling the Tucana III stream - a close passage with the LMC

scientific article

Multi-messenger Observations of a Binary Neutron Star Merger

scientific article published on 16 October 2017

New Quasars Detected via Variability in the QUEST1 Survey

scientific article published in the Astrophysical Journal

New variable stars in NGC 6652 and its background Sagittarius stream

scientific article published in January 2019

No excess of RR Lyrae stars in the Canis Major overdensity

scientific article published in Astronomical Journal

Overview of the DESI Legacy Imaging Surveys

scientific article

Proper motions in kapteyn selected area 103: a preliminary orbit for the Virgo stellar stream

scientific article published in the Astrophysical Journal

QUEST1 Variability Survey. II. Variability Determination Criteria and 200k Light Curve Catalog

scientific article published in the Astrophysical Journal

QUEST1 variability survey. III. Light curve catalog update

scholarly article

RR Lyrae search and stellar populations study in Canis Major: preliminary results

scholarly article

RR Lyrae stars in the halo: tracers of streams of debris of disrupted galaxies

scientific article published in January 2003

Reddening-independent quasar selection from a wide-field optical and near-infrared imaging survey

scientific article published in January 2002

SMASH 1: a very faint globular cluster disrupting in the outer reaches of the LMC?

SMASH: Survey of the MAgellanic Stellar History

scientific article published in Astronomical Journal

SMASHing the LMC: A Tidally Induced Warp in the Outer LMC and a Large-scale Reddening Map

scientific article published in the Astrophysical Journal

SMASHing the LMC: Mapping a Ring-like Stellar Overdensity in the LMC Disk

scientific article published in the Astrophysical Journal

Search for RR Lyrae stars in DES ultrafaint systems: Grus I, Kim 2, Phoenix II, and Grus II

scientific article

Searching for tidal tails around {omega} Centauri using RR Lyrae stars

scientific article published in January 2015

Serendipitous Discovery of RR Lyrae Stars in the Leo V Ultra-faint Galaxy

Ships Passing in the Night: Spectroscopic Analysis of Two Ultra-faint Satellites in the Constellation Carina

scientific article published in the Astrophysical Journal

Spectroscopy of QUEST RR Lyrae variables: the new Virgo stellar stream

scientific article published in January 2006

Spectroscopy of bright QUEST RR Lyrae stars: velocity substructures toward Virgo

scientific article published in Astronomical Journal

SpitzerObservations of the Orion OB1 Association: Disk Census in the Low‐Mass Stars

scientific article published in the Astrophysical Journal

Stellar Streams Discovered in the Dark Energy Survey

scientific article published in the Astrophysical Journal

Sub-structures in the Milky Way's halo towards Virgo

scientific article

Sub-structures in the halo of the Milky Way

scientific article published in January 2006

System initial mass function of the 25 Ori group from planetary-mass objects to intermediate/high-mass stars

scientific article

The Blanco DECam bulge survey. I. The survey description and early results

scientific article

The CIDA Variability Survey of Orion OB1 II. Demographics of the young, low-mass stellar populations

scientific article published in January 2019

The CIDA Variability Survey of Orion OB1. I. The Low-Mass Population of Ori OB1a and 1b

scientific article published in Astronomical Journal

The CIDA-VISTA Survey in Orion OB1

scholarly article

The Dark Energy Survey view of the Sagittarius stream: discovery of two faint stellar system candidates

scholarly article

The Dark Energy Survey: Data Release 1

scientific article

The Electromagnetic Counterpart of the Binary Neutron Star Merger LIGO/Virgo GW170817. II. UV, Optical, and Near-infrared Light Curves and Comparison to Kilonova Models

article by P. S. Cowperthwaite et al published 16 October 2017 in Letters of the Astrophysical Journal

The First Tidally Disrupted Ultra-faint Dwarf Galaxy?: A Spectroscopic Analysis of the Tucana III Stream

scientific article published in the Astrophysical Journal

The Galactic thick disc density profile traced with RR Lyrae stars

scientific article

The High Cadence Transient Survey (HITS). I. Survey design and supernova shock breakout constraints

scientific article published in the Astrophysical Journal

The Population of Pulsating Variable Stars in the Sextans Dwarf Spheroidal Galaxy

scholarly article

The QUEST RR Lyrae Survey - III. The low Galactic latitude catalogue

scientific article

The QUEST RR Lyrae Survey. I. The First Catalog

scientific article published in Astronomical Journal

The QUEST RR Lyrae Survey: Confirmation of the Clump at 50 Kiloparsecs and Other Overdensities in the Outer Halo

scientific article published in the Astrophysical Journal

The QUEST RR Lyrae survey of the Canis Major overdensity

scientific article published in January 2009

The QUEST RR Lyrae survey. II. The halo overdensities in the first catalog

article by Vivas A. K. et al published 2006 in The Astronomical Journal

The QUEST RR lyrae survey: searching for debris of ancient galaxies in the Milky Way halo

The delay of shock breakout due to circumstellar material evident in most type II supernovae

scholarly article

The low-mass star and sub-stellar populations of the 25 Orionis group

scientific article

The overlooked role of stellar variability in the extended main sequence of LMC intermediate-age clusters

scientific article published in January 2016

The rotation period distributions of 4-10 myr T Tauri stars in Orion OB1: new constraints on pre-main-sequence angular momentum evolution

scientific article published in Astronomical Journal

The selection of RR Lyrae stars using single-epoch data

scientific article published in January 2005

The southern stellar stream spectroscopic survey (S5): Overview, target selection, data reduction, validation, and early science

scholarly article

Two Ultra-faint Milky Way Stellar Systems Discovered in Early Data from the DECam Local Volume Exploration Survey

scientific article

VLT spectroscopy of RR Lyrae stars in the Sagittarius tidal stream

scientific article published in January 2005

Variable stars in Local Group galaxies – V. The fast and early evolution of the low-mass Eridanus II dSph galaxy

scientific article

Variable stars in local group galaxies - IV. RR Lyrae stars in the central regions of the low-density galaxy Crater II

scientific article published in January 2018

Variable stars in the field of the Hydra II ultra-faint dwarf galaxy

scientific article published in Astronomical Journal