12077+5313 TOK 554 CD

12h 09m 20.59s +53° 23' 40.2" P.A. 259.00 sep 986.4 mag 7.54,20.50 Sp F2 dist. 65.15 pc (212.52 l.y.)

Coord 2000 12077+5313 Discov num TOK 554 Comp CD Coord arcsec 2000 12 09 20.59 +53 23 40.2
Date first 1980 Date last 2015 Obs 3
Pa first 259 Pa last 258.7 P.A. Now (θ) 258.7°
Sep first 987.2 Sep last 986.4 Sep. Now (ρ) 986.4"
Mag pri 7.54 Mag sec 20.50 delta mag (ΔM) 12.96 Spectral class F2 (yellow-white)
Pri motion ra +076 Sec motion ra +090
Pri motion dec -111 Sec motion dec -101
Notes




rPM=0.127 (< 0.3, Physical double)

This double is physical.



12077+5313 SYSTEM COMPONENTS

Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 12 07 39 +53 12 30 LDS 3039 AB 2015 8 10 17.0 12.51 19.10 6.59
Show HD 105584 28262 12 07 39 +53 12 30 TOK 554 AC 2015 7 54 999.9 12.51 7.54 4.97
Show 28262 12 09 21 +53 23 40 TOK 554 CD 2015 3 259 986.4 7.54 20.50 12.96 <===


Quadruple system
4 estimated visually detectable stars in this system



OTHER CATALOGS AND DESIGNATIONS

Constellation Ursa Major SAO 28262 HIP 59258 Tycho2 3834-00333-1
Gaia DR2 1572958452775551744 HD 105584 GC 16600 BD BD+54 1493
Distance 65.15 Distance ly 212.52