Photometric variability of stars belonging to the trapezium-type systems

We report the variability of 21 stars belonging to 17 systems considered to be Trapezium-type systems by Allenet al. (1977a). In order to avoid serious problems due to possible light contamination by neighbouring stars, we have only considered systems with angular separations between components equa...

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Detalles Bibliográficos
Autores principales: Clariá, Juan J., Lapasset, E., Levato, Orlando Hugo, Malaroda, Stella Maris
Formato: Articulo
Lenguaje:Inglés
Publicado: 1985
Materias:
Ciencias Astronómicas
Astronomía
spectrograms
Trapezium-type system
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/132596
Aporte de:
SEDICI (UNLP) de Universidad Nacional de La Plata
id I19-R120-10915-132596
record_format dspace
institution Universidad Nacional de La Plata
institution_str I-19
repository_str R-120
collection SEDICI (UNLP)
language Inglés
topic Ciencias Astronómicas
Astronomía
spectrograms
Trapezium-type system
spellingShingle Ciencias Astronómicas
Astronomía
spectrograms
Trapezium-type system
Clariá, Juan J.
Lapasset, E.
Levato, Orlando Hugo
Malaroda, Stella Maris
Photometric variability of stars belonging to the trapezium-type systems
topic_facet Ciencias Astronómicas
Astronomía
spectrograms
Trapezium-type system
description We report the variability of 21 stars belonging to 17 systems considered to be Trapezium-type systems by Allenet al. (1977a). In order to avoid serious problems due to possible light contamination by neighbouring stars, we have only considered systems with angular separations between components equal or greater than five seconds of arc. Among the new variables here reported there are five having ΔV variations greater than 0m.3. For six systems we have spectrograms of the individual components. Three of the six systems are probably optical configurations and only two of the variables in the remaining three systems may be physical companions.
format Articulo
Articulo
author Clariá, Juan J.
Lapasset, E.
Levato, Orlando Hugo
Malaroda, Stella Maris
author_facet Clariá, Juan J.
Lapasset, E.
Levato, Orlando Hugo
Malaroda, Stella Maris
author_sort Clariá, Juan J.
title Photometric variability of stars belonging to the trapezium-type systems
title_short Photometric variability of stars belonging to the trapezium-type systems
title_full Photometric variability of stars belonging to the trapezium-type systems
title_fullStr Photometric variability of stars belonging to the trapezium-type systems
title_full_unstemmed Photometric variability of stars belonging to the trapezium-type systems
title_sort photometric variability of stars belonging to the trapezium-type systems
publishDate 1985
url http://sedici.unlp.edu.ar/handle/10915/132596
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AT levatoorlandohugo photometricvariabilityofstarsbelongingtothetrapeziumtypesystems
AT malarodastellamaris photometricvariabilityofstarsbelongingtothetrapeziumtypesystems
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