Asociaciones
AAVSO, American Association of Variable Star Observers
BASVSS, British Astronomical Association Variable Star Section
AFOEV, Association Française des Observateurs d'Étoiles Variables
GEOS, Groupe Européen d'Observation Stellaire
Asociación de Variabilistas de España (AVE)
Grupo de busqueda de Supernovas M 1 (AAM)
Grupo Canario de Estrellas Variables (AAT y AAGC)
GEA, Grupo de Estudios Astronómicos --
Estrellas Variables
Catalogos
GCVS, general Catalogue of Variable Stars 4th edition
Index to Variable Stars (VSNET)
The All Sky Automated Survey. A Catalog of almost 3900 variable stars
(Pojmanski, 2000)
A Catalog and Atlas of Cataclysmic Variables: The Living Edition
(Downes et al., 2001, PASP 113, 764)
Cefeidas
Cepheid Variable Star home page
The Galactic Cepheid Database (J. Donald Fernie)
Photoelectic Observations of Cepheid Variables in UBV(RI)
Delta Scuti Network
for Observation and Investigation of Delta Scuti, Gamma Doradus and SX Phe
Stars
(Vienna, Austria)
Links
Variable Stars (ScholarX)
Which different types of variable stars exist ? (Robert Greimel)
Manual práctico para la observación visual de estrellas variables
(Jaime R. García)
Variable Stars Sky & Telescope
Publicaciones
astrax.fis.ucm.es