Authors:
NESTEROV VV
KUZMIN AV
ASHIMBAEVA NT
VOLCHKOV AA
ROSER Z
BASTIAN U
Citation: Vv. Nesterov et al., A 2ND HD EXTENSION - A CATALOG OF POSITIO NS, PROPER MOTIONS, MAGNITUDES, AND SPECTRAL TYPES FOR 86933 STARS, ASTRONOM ZH, 73(2), 1996, pp. 189-193
Authors:
NESTEROV VV
KUZMIN AV
ASHIMBAEVA NT
VOLCHKOV AA
ROSER S
BASTIAN U
Citation: Vv. Nesterov et al., THE HENRY-DRAPER EXTENSION CHARTS - A CATALOG OF ACCURATE POSITIONS, PROPER MOTIONS, MAGNITUDES AND SPECTRAL TYPES OF 86933 STARS, Astronomy & Astrophysics. Supplement series, 110(2), 1995, pp. 367-370