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Title:
Erratum: "Confirming Fundamental Properties of the Exoplanet Host Star epsilon Eridani Using the Navy Optical Interferometer" (2012, ApJ, 744, 138B)
Authors:
Baines, Ellyn K.; Armstrong, J. Thomas
Affiliation:
AA(Remote Sensing Division, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA ), AB(Remote Sensing Division, Naval Research Laboratory, 4555 Overlook Avenue SW, Washington, DC 20375, USA )
Publication:
The Astrophysical Journal, Volume 748, Issue 1, article id. 72, 1 pp. (2012). (ApJ Homepage)
Publication Date:
03/2012
Origin:
IOP
DOI:
10.1088/0004-637X/748/1/72
Bibliographic Code:
2012ApJ...748...72B

Abstract

We measured the angular diameter of the exoplanet host star epsilon Eridani using the Navy Optical Interferometer. We determined its physical radius, effective temperature, and mass by combining our measurement with the star's parallax, photometry from the literature, and the Yonsei-Yale isochrones (Yi et al. 2001), respectively. We used the resulting stellar mass of 0.82 +/- 0.05 M_Sun plus the mass function from Benedict et al. (2006) to calculate the planet's mass, which is 1.53 +/- 0.22 M_Jupiter. Using our new effective temperature, we also estimated the extent of the habitable zone for the system.

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