Coord 2000 | 12401+2049 | Discov num | OSO 47 | Comp | AC | Coord arcsec 2000 | 12 40 07.03 +20 48 32.8 | ||||
Date first | 1955 | Date last | 2016 | Obs | 9 | ||||||
Pa first | 110 | Pa last | 108.7 | P.A. Now (θ) | 108.7° | ||||||
Sep first | 111.8 | Sep last | 112.599 | Sep. Now (ρ) | 112.599" | ||||||
Mag pri | 9.00 | Mag sec | 20.90 | delta mag (ΔM) | 11.9 | Spectral class | K3+M8 (yellow-orange/red) | ||||
Pri motion ra | +206 | Sec motion ra | +206 | ||||||||
Pri motion dec | -369 | Sec motion dec | -369 | ||||||||
Notes | N T (See Notes, Parallax indicates physical) |
Show | name | SAO | coord | wds_name | last | obs | pa | sep | mag1 | mag2 | d_mag | orb | current |
Show | 12 40 07 +20 48 33 | OSO 47 AB | 2015 | 5 | 35 | 14.7 | 9.00 | 17.40 | 8.40 | ||||
Show | 12 40 07 +20 48 33 | OSO 47 AC | 2016 | 9 | 109 | 112.6 | 9.00 | 20.90 | 11.90 | <=== |
Constellation | Coma Berenices | Tycho2 | 1448-01391-1 |