20028+6752 LDS 2447 AB (Rho Dra)
20h 02m 49.05s +67° 52' 24.4" P.A. 180.00 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 |
180.3 |
|
P.A. Now (θ) |
180.3° |
|
| Sep first |
124.0 |
|
Sep last |
125.41 |
|
Sep. Now (ρ) |
125.41" |
|
| 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 |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
Rho Dra |
18676 |
20 02 49 +67 52 24 |
LDS 2447 AB |
2003 |
2 |
180 |
125.4 |
4.51 |
14.60 |
10.09 |
|
<=== |
| Show |
|
18676 |
20 02 49 +67 52 24 |
LDS 2447 AC |
2003 |
3 |
226 |
141.0 |
4.51 |
17.80 |
13.29 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
Rho Dra |
|
Constellation |
Draco |
|
SAO |
18676 |
|
HIP |
98702 |
|
| Tycho2 |
4446-01736-1 |
|
Gaia DR2 |
2249908073868092544 |
|
HD |
190940 |
|
HR |
7685 |
|
| GC |
27856 |
|
BD |
BD+67 1222 |
|
Bayer |
Rho Draconis |
|
Bayer name |
Rho Dra |
|
| Flamsteed |
67 Draconis |
|
Flamsteed name |
67 Dra |
|
FK5 |
3608 |
|
Distance |
131.41 |
|
| Distance ly |
428.66 |
|
Bayer greek |
ρ Dra |
|
