The first byurakan Spectral Sky Survey. Blue stellar objects. X. The zone+73°≤σ≤+80°

Astronomy and Astrophysics – Astrophysics

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Scientific paper

We present the tenth list of blue stellar objects of the second part of the First Byurakan Spectral Sky Survey (FBS). The list contains 100 objects in the region+73°≤σ≤+80° and3 h 30 m ≤α≤18 h 30 m encompassing an area of 355 square degrees. The objects have stellar V magnitude within the limits 12.0 18.5 and B-V colors between-0.77 and+0.37. Of these 100 objects, 80 were discovered for the first time. We give the equatorial coordinates, stellar V magnitude, color index CI, and preliminary classification of the objects on the basis of low-disperion prismatic spectra. For 29 objects we give approximate types, among which 4 are candidates for quasars, 2 for Seyfert galaxies, 1 for superassociation galaxy IC 381, 18 for white dwarfs, and 4 for cataclysmic variables.

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