Abstract
We present a photometric study of the luminous early-type star η Car. The star’s secular brightness increase is due largely to the expansion of the Homunculus. η Car is a LBV with a possible B0.5V companion. The combined effect of Balmer-line emission, and of warm and cold dust radiation explains the star’s other light variations.
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© 1994 Springer Science+Business Media Dordrecht
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Van Genderen, A.M., De Groot, M., The, P.S. (1994). The Evolutionary Status of ETA Car Based on Historical and Modern Optical and Infrared Photometry. In: Vanbeveren, D., van Rensbergen, W., de Loore, C. (eds) Evolution of Massive Stars. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-1080-8_29
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DOI: https://doi.org/10.1007/978-94-011-1080-8_29
Publisher Name: Springer, Dordrecht
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