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Infrared photometry of upper main sequence stars in M39

Bibcode
1991A&AS...87..419M
Manteiga, M.; Martinez-Roger, C.; Morales, C.; Sabau, L.
Referencia bibliográfica

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 87, no. 3, March 1991, p. 419-423.

Fecha de publicación:
3
1991
Número de autores
4
Número de autores del IAC
2
Número de citas
4
Número de citas referidas
4
Descripción
Infrared photometry of 19 Main sequence stars in the open cluster M39 is presented. Infrared-infrared and optical-infrared color-color and color-magnitude diagrams are presented and compared with mean intrinsic color for Population I stars. An interstellar reddening of E(B - V) = 0.01 is obtained by analysis of the color-color diagrams. Comparison with a set of theoretical isochrones leads to an age estimate for the cluster between 240 and 480 million years.
Tipo
Con árbitro
Fotometría infrarroja
Estrellas de la secuencia principal
Estrellas binarias
Extinción interestelar
Velocidad radial

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