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Feinstein, C.; Baume, G.; Vazquez, R.; Niemela, V.; Cerruti, M.A. "The highly polarized open cluster trumpler 27" (2000) Astronomical Journal. 120(4):1906-1912
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Abstract:

We have carried out multicolor linear polarimetry (U BV RI) of the brightest stars in the area of the open cluster Trumpler 27. Our data show a high level of polarization in the stellar light with a considerable dispersion, from P = 4% to P = 9.5%. The polarization vectors of the cluster members appear to be aligned. Foreground polarization was estimated from the data of some nonmember objects, for which two different components were resolved: the first one associated with a dust cloud close to the Sun producing Pλmax = 1.3% and θ = 146°, and a second component, the main source of polarization for the cluster members, originating in another dust cloud, which polarizes the light in the direction of θ = 29°.5. From a detailed analysis, we found that the two components have associated values EB-V < 0.45 for the first one and EB-V > 0.75 for the other. Due the difference in the orientation of both polarization vectors, almost 90° (180° at the Stokes representation), the first cloud (θ ∼ 146°) depolarizes the light strongly polarized by the second one (θ ∼ 29°.5).

Registro:

Documento: Artículo
Título:The highly polarized open cluster trumpler 27
Autor:Feinstein, C.; Baume, G.; Vazquez, R.; Niemela, V.; Cerruti, M.A.
Filiación:Observatorio Astronómico, Paseo del Bosque, B1900FWA La Plata, Argentina
Inst. Astronomia y Fisica Espacio, CC 67, Sucursal 28, 1428 Buenos Aires, Argentina
Carrera del Investigador Cientifico, CIC, Prov. Buenos Aires, Argentina
Palabras clave:Dust, extinction; Open clusters and associations: individual (Trumpler 27)
Año:2000
Volumen:120
Número:4
Página de inicio:1906
Página de fin:1912
DOI: http://dx.doi.org/10.1086/301562
Título revista:Astronomical Journal
Título revista abreviado:Astron. J.
ISSN:00046256
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046256_v120_n4_p1906_Feinstein

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Citas:

---------- APA ----------
Feinstein, C., Baume, G., Vazquez, R., Niemela, V. & Cerruti, M.A. (2000) . The highly polarized open cluster trumpler 27. Astronomical Journal, 120(4), 1906-1912.
http://dx.doi.org/10.1086/301562
---------- CHICAGO ----------
Feinstein, C., Baume, G., Vazquez, R., Niemela, V., Cerruti, M.A. "The highly polarized open cluster trumpler 27" . Astronomical Journal 120, no. 4 (2000) : 1906-1912.
http://dx.doi.org/10.1086/301562
---------- MLA ----------
Feinstein, C., Baume, G., Vazquez, R., Niemela, V., Cerruti, M.A. "The highly polarized open cluster trumpler 27" . Astronomical Journal, vol. 120, no. 4, 2000, pp. 1906-1912.
http://dx.doi.org/10.1086/301562
---------- VANCOUVER ----------
Feinstein, C., Baume, G., Vazquez, R., Niemela, V., Cerruti, M.A. The highly polarized open cluster trumpler 27. Astron. J. 2000;120(4):1906-1912.
http://dx.doi.org/10.1086/301562