20028+6752 LDS2447AB (Rho Dra)

 
 
20h 02m 49.05s +67 52' 24.4" P.A. 180 sep 125.4 mag 4.51,14.60 Sp K3III dist. 131.41 pc (428.66 l.y.)
 
 
Coord 2000
20028+6752
Discov num
LDS2447
Comp
AB
Coord arcsec 2000
20 02 49.05 +67 52 24.4
Date first
1953
Date last
2003
Obs
2
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
124.0
Sep last
125.4
Sep. Now (ρ)
125.4"
Mag pri
4.51
Mag sec
14.60
delta mag (ΔM)
10.09
Spectral class
K3III (yellow-orange)
Pri motion ra
+016
Sec motion ra
+026
Pri motion dec
+047
Sec motion dec
+039
Notes
N (See Notes)
rPM=0.258 (< 0.3, Physical double)
This double is physical.
 
 
20028+6752 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Rho Dra 18676 20028+6752 LDS2447 AB 1953 2003 2 180 125.4 4.51 14.60 10.09 <===
Show 20028+6752 LDS2447 AC 1953 2003 3 226 141.0 4.51 17.80 13.29
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.3
Precise sep
125.41
Name
Rho Dra
Constellation
Draco
SAO
18676
HIP
98702
Tycho2
4446-01736-1
Gaia DR2
73868092544
HD
190940
HR
7685
GC
27856
BD
BD+67 1222
Bayer
Rho Draconis
Bayer name
Rho Dra
Flamsteed
67 Draconis
Flamsteed name
67 Dra
Distance
131.41
Distance ly
428.66
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20028+6752 LDS2447 AB 1953 1 180 124.0 4.51 14.60 K3III N 200249.05+675224.4
20028+6752 LDS2447 AB 2003 2 180 125.4 4.51 14.60 K3III N 200249.05+675224.4

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