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Abstract:

We present Very Large Array radio images of Puppis A at 327 and 1515 MHz. The observations were performed with the VLA in the C/D and B/C configurations, respectively. The angular resolution is about 77″ × 43″. The observed radio shell shows signs of interaction between the expanding shock front and the inhomogeneous surrounding medium. An excellent correlation is found between radio and x-ray emission, mainly towards the NE border of the remnant. There is little correspondence between the optical and radio images, suggesting a different origin for the emission. A region of steeper radio spectral index is associated with the highly decelerated eastern periphery.

Registro:

Documento: Artículo
Título:VLA observations of the supernova remnant puppus A at 327 and 1515 MHz
Autor:Dubner, G.M.; Braun, R.; Winkler, P.F.; Goss, W.M.
Filiación:Inst. Astronomia y Fis. del Espacio, Casilla de Correo 67, Suc. 28, 1428 Buenos Aires, Argentina
Netherlands Found. for Radio Astron., Postbus 2, 7990 AA Dwingeloo, Netherlands
Department of Physics, Middlebury College, Middlebury, VT 05753, United States
National Radio Astronomy Observatory, P.O. Box O, Socorro, NM 87801-0387, United States
Carrera Investigador Cie. CONICET
Año:1991
Volumen:101
Número:4
Página de inicio:1466
Página de fin:1471
DOI: http://dx.doi.org/10.1086/115777
Título revista:Astronomical Journal
Título revista abreviado:Astron. J.
ISSN:00046256
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00046256_v101_n4_p1466_Dubner

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Citas:

---------- APA ----------
Dubner, G.M., Braun, R., Winkler, P.F. & Goss, W.M. (1991) . VLA observations of the supernova remnant puppus A at 327 and 1515 MHz. Astronomical Journal, 101(4), 1466-1471.
http://dx.doi.org/10.1086/115777
---------- CHICAGO ----------
Dubner, G.M., Braun, R., Winkler, P.F., Goss, W.M. "VLA observations of the supernova remnant puppus A at 327 and 1515 MHz" . Astronomical Journal 101, no. 4 (1991) : 1466-1471.
http://dx.doi.org/10.1086/115777
---------- MLA ----------
Dubner, G.M., Braun, R., Winkler, P.F., Goss, W.M. "VLA observations of the supernova remnant puppus A at 327 and 1515 MHz" . Astronomical Journal, vol. 101, no. 4, 1991, pp. 1466-1471.
http://dx.doi.org/10.1086/115777
---------- VANCOUVER ----------
Dubner, G.M., Braun, R., Winkler, P.F., Goss, W.M. VLA observations of the supernova remnant puppus A at 327 and 1515 MHz. Astron. J. 1991;101(4):1466-1471.
http://dx.doi.org/10.1086/115777