  We study the temperature of extended objects in string theory. Rotating probe
D-branes admit horizons and temperatures a la Unruh effect. We find that the
induced metrics on slow rotating probe D1-branes in holographic string
solutions including warped Calabi-Yau throats have distinct thermal horizons
with characteristic Hawking temperatures even if there is no black hole in the
bulk Calabi-Yau. Taking the UV/IR limits of the solution, we show that the
world volume black hole nucleation depends on the deformation and the warping
of the throat. We find that world volume horizons and temperatures of expected
features form not in the regular confining IR region but in the singular
nonconfining UV solution. In the conformal limit of the UV, we find horizons
and temperatures similar to those on rotating probes in the AdS throat found in
the literature. In this case, we also find that activating a background gauge
field form the U(1) R--symmetry modifies the induced metric with its
temperature describing two different classes of black hole solutions.
