Mid-infrared images from the Spitzer Space Telescope Galactic Legacy Infrared MidPlane Survey Extraordinaire program reveal that the infrared source IRAS 03063+5735 is a bowshock nebula produced by an early B star , 2MASS 03101044+5747035 .
We present new optical spectra of this star , classify it as a B1.5 V , and determine a probable association with a molecular cloud complex at V _ { LSR } = -38 – -42 km s ^ { -1 } in the outer Galaxy near \ell = 140.59 ^ { \circ } , b = -0.250 ° .
On the basis of spectroscopic parallax , we estimate a distance of 4.0 \pm 1 kpc to both the bowshock nebula and the molecular complex .
One plausible scenario is that this a high-velocity runaway star impinging upon a molecular cloud .
We identify the H ii region and stellar cluster associated with IRAS 03064+5638 at a projected distance of 64 pc as one plausible birth site .
The spectrophotometric distance and linkage to a molecular feature provides another piece of data helping to secure the ill-determined rotation curve in the outer Galaxy .
As a by-product of spectral typing this star , we present empirical spectral diagnostic diagrams suitable for approximate spectral classification of O and B stars using He lines in the little-used yellow-red portion of the optical spectrum .