The evolutionary status of Eta CAR based on historical and modern optical and infrared photometry

Details The evolutionary status of Eta CAR based on historical and modern optical and infrared photometry The evolutionary status of Eta CAR based on historical and modern optical and infrared photometry

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ssrv...66..219v&link_type=abstract

Space Science Reviews, Volume 66, Issue 1-4, pp. 219-223

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3

Scientific paper

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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