ERRATUM: “ANGULAR MOMENTUM LOSS FROM COOL STARS: AN EMPIRICAL EXPRESSION AND CONNECTION TO STELLAR ACTIVITY” (2010, ApJ, 721, 675)

Sydney A. Barnes; Yong-Cheol Kim

doi:10.1088/0004-637X/729/2/150

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ERRATUM: "ANGULAR MOMENTUM LOSS FROM COOL STARS: AN EMPIRICAL EXPRESSION AND CONNECTION TO STELLAR ACTIVITY" (2010, ApJ, 721, 675)

Sydney A. Barnes¹ and Yong-Cheol Kim^3,2

Published 2011 February 22 • © 2011. The American Astronomical Society. All rights reserved.
The Astrophysical Journal, Volume 729, Number 2 Citation Sydney A. Barnes and Yong-Cheol Kim 2011 ApJ 729 150 DOI 10.1088/0004-637X/729/2/150

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This is a correction for 2010 ApJ 721 675

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¹ Lowell Observatory, Flagstaff, AZ, USA

² Astronomy Department, Yonsei University, Seoul, South Korea

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³ Visiting Astronomer, Lowell Observatory, Flagstaff, AZ, USA.

Dates

Received 2011 January 28
Published 2011 February 22

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The sign of the second term on the upper right-hand side in Equations (29), (37) and (41) should be negative, rather than the positive sign that was presented in the published version, for consistency with Equation (25). Because these are terminal expressions in the paper, the rest of the paper is unaffected.

The correct forms of the equations are

$\begin{equation} \quad\ \frac{d\!J}{dt} = -\left\lbrace \begin{array}{@{}ll@{}}{\raise-3.5pt\hbox{$^{\Omega}$}} \, \lbrace {}^{I_C}/{}_{T(B-V)} - {}^{dI_C}/{}_{dt} \rbrace & \rm{for\ the\ C\ sequence} \\ \ms ^{\Omega ^3} \, {}^{I_* f^2(B-V)}/{}_{8 \pi ^2} & \rm{for\ the\ I\ sequence}, \end{array}\right. \end{equation} \tag{ 29 }$

$\begin{equation} \ \frac{d\!J}{dt} = -\left\lbrace \begin{array}{@{}ll@{}}{\raise-3.5pt\hbox{$^{\Omega}$}} \, \lbrace {}^{I_C}/{}_{T} - {}^{dI_C}/{}_{dt} \rbrace & \rm{for\ the\ C\ sequence} \\ \ms ^{\Omega ^3} \, {}^{I_* f^2}/{}_{8 \pi ^2} & \rm{for\ the\ I\ sequence,} \end{array}\right.\quad \end{equation} \tag{ 37 }$

$\begin{equation} \frac{d\!J}{dt} = -\left\lbrace \begin{array}{@{}ll@{}}{\raise-3.5pt\hbox{$^{\Omega}$}} \, \lbrace {}^{k_C I_C}/{}_{\tau _c} - {}^{dI_C}/{}_{dt} \rbrace & \rm{for\ the\ C\ sequence} \\ \ms ^{\Omega ^3} \, {}^{I_* \tau _c}/{}_{4 \pi ^2 k_I} & \rm{for\ the\ I\ sequence.} \end{array}\right. \end{equation} \tag{ 41 }$

The authors regret the inconvenience to readers and thank Christian Knigge for drawing their attention to this error.