Col Reference--- ---------
R1 Hoag A.A., et al. 1961, Publ. US Nav. Obs. 17, 347 (pe)
R2 Hoag A.A., et al. 1961, Publ. US Nav. Obs. 17, 347 (pg)
R3 Janes K.A., Hoq S. 2011, Astron. J. 141, 92
R13 Voroshilov V.I., et al. 1969, Kiev. BV catalogue of 12000 stars
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