Abstract
We present three dimensional maps in monochromatic extinction $A_0$ and
the extinction parameter $R_0$ within a few degrees of the Galactic plane.
These are inferred using photometry from the Pan-STARRS1 and Spitzer Glimpse
surveys of nearly $20$ million stars located in the region $l = 0-250^\circ$
and from $b = -4.5^\circ$ to $b=4.5^\circ$. Given the available stellar
number density, we use an angular resolution of $7' 7'$ and steps of
$1mag$ in distance modulus. We simultaneously estimate distance modulus
and effective temperature $T_eff$ alongside the other parameters for
stars individually using the method of Hanson2014 before combining
these estimates to a complete map. The full maps are available via the MNRAS
website.
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