New Late-Type Stars Found in the BAO Plate Archive

G. R. Kostandyan,H. V. Abrahamyan,G. A. Mikayelyan, G. M. G. M Paronyan

Communications of the Byurakan astrophysical observatory（2022）

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Abstract

The BAO Plate Archive low-resolution spectral plate centered α = +04h δ = +240 is analyzed to find new late-type stars. 25 new late-type stars have been detected. We have performed cross-correlations with GAIA DR3, USNO-B1.0, 2MASS, AllWISE, IRAS PSC/FSC, AKARI and SDSS. For new detected objects, we present luminosity classes estimated from Gaia DR3 and 2MASS photometry and available proper motions. The majority of the objects are red giants.

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