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A large portion of the Galaxy (ℓ = 123 • to 164 • , b = −6 • to −35 •), which samples regions of the Local (Orion) spiral arm and the more distant Perseus arm, has been mapped with the Wisconsin H-Alpha Mapper (WHAM) in the [S II] λ6716 and [N II] λ6583 lines. By comparing these data with the maps from the WHAM Hα Sky Survey, we begin an investigation of(More)
The first observations of the recently completed Wisconsin H-Alpha Mapper (WHAM) facility include a study of emission lines from high velocity clouds in the M, A, and C complexes, with most of the observations on the M I cloud. We present results including clear detections of Hα emission from all three complexes with intensities ranging from 0.06 to 0.20 R.(More)
The Wisconsin H-Alpha Mapper (WHAM) has completed a survey in Balmer α of the entire Northern sky above declination −30 •. This survey provides the first calibrated, velocity-resolved map of the Hα emission from the Galaxy. With one-degree spatial resolution, 12 km s −1 velocity resolution, and sensitivity to features as faint as 0.1 R (EM ∼ 0.2 cm −6 pc),(More)
The extremely faint, temperature sensitive " auroral " emission line [N II] λ5755 has been detected from the low density ionized gas along the sight line toward l = 130. o 0, b = −7. o 5 using the Wisconsin Hα Mapper (WHAM). The intensity of this emission line, relative to the red nebular line [N II] λ6584, is found to be twice that observed in bright,(More)
The Wisconsin Hα Mapper (WHAM) Northern Sky Survey has revealed a loop of H II reaching 1300 pc from the Galactic midplane above the Cas OB6 association in the Perseus sprial arm. This enormous feature surrounds and extends far above the " W4 Chimney " identified by Normandeau et al. and appears to be associated with the star formation activity near the(More)
We have identified 85 regions of enhanced Hα emission at |b| > 10 • subtending approximately 1 • or less on the Wisconsin Hα Mapper (WHAM) sky survey. These high latitude " WHAM point sources " have Hα fluxes of 10 −11 to 10 −9 erg cm −2 s −1 , radial velocities within about 70 km s −1 of the LSR, and line widths that range from less than 20 km s −1 to(More)