Constraining the evolution of stellar rotation using solar twins. (arXiv:1903.02630v1 [astro-ph.SR])
<a href="http://arxiv.org/find/astro-ph/1/au:+Lorenzo_Oliveira_D/0/1/0/all/0/1">Diego Lorenzo-Oliveira</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Melendez_J/0/1/0/all/0/1">Jorge Mel&#xe9;ndez</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Galarza_J/0/1/0/all/0/1">Jhon Yana Galarza</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ponte_G/0/1/0/all/0/1">Geisa Ponte</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Santos_L/0/1/0/all/0/1">Leonardo A. dos Santos</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Spina_L/0/1/0/all/0/1">Lorenzo Spina</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bedell_M/0/1/0/all/0/1">Megan Bedell</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Ramirez_I/0/1/0/all/0/1">Iv&#xe1;n Ram&#xed;rez</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Bean_J/0/1/0/all/0/1">Jacob L. Bean</a>, <a href="http://arxiv.org/find/astro-ph/1/au:+Asplund_M/0/1/0/all/0/1">Martin Asplund</a>

The stellar Rotation $vs.$ Age relation is commonly considered as a useful
tool to derive reliable ages for Sun-like stars. However, in the light of
kepler data, the presence of apparently old and fast rotators that do not
obey the usual gyrochronology relations led to the hypothesis of weakened
magnetic breaking in some stars. In this letter, we constrain the solar
rotation evolutionary track using solar twins. Predicted rotational periods as
a function of mass, age, [Fe/H] and given critical Rossby number ($Ro_{rm
crit}$) were estimated for the entire rotational sample. Our analysis favors
the smooth rotational evolution scenario and suggests that, if the magnetic
weakened breaking scenario takes place at all, it should arise after $Ro_{rm
crit}gtrsim2.29$ or ages $gtrsim$5.3 Gyr (at 95$%$ confidence level).

The stellar Rotation $vs.$ Age relation is commonly considered as a useful
tool to derive reliable ages for Sun-like stars. However, in the light of
kepler data, the presence of apparently old and fast rotators that do not
obey the usual gyrochronology relations led to the hypothesis of weakened
magnetic breaking in some stars. In this letter, we constrain the solar
rotation evolutionary track using solar twins. Predicted rotational periods as
a function of mass, age, [Fe/H] and given critical Rossby number ($Ro_{rm
crit}$) were estimated for the entire rotational sample. Our analysis favors
the smooth rotational evolution scenario and suggests that, if the magnetic
weakened breaking scenario takes place at all, it should arise after $Ro_{rm
crit}gtrsim2.29$ or ages $gtrsim$5.3 Gyr (at 95$%$ confidence level).

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