20282+8125 STH 7 AC
20h 28m 14.45s +81° 25' 21.6" P.A. 282.00 sep 196.6 mag 5.48,6.66 Sp G9III dist. 139.66 pc (455.57 l.y.)
| Coord 2000 |
20282+8125 |
|
Discov num |
STH 7 |
|
Comp |
AC |
|
Coord arcsec 2000 |
20 28 14.45 +81 25 21.6 |
|
| Date first |
1884 |
|
Date last |
2015 |
|
Obs |
18 |
|
| Pa first |
285 |
|
Pa last |
282.1 |
|
P.A. Now (θ) |
282.1° |
|
| Sep first |
198.4 |
|
Sep last |
196.605 |
|
Sep. Now (ρ) |
196.605" |
|
| Mag pri |
5.48 |
|
Mag sec |
6.66 |
|
delta mag (ΔM) |
1.18 |
|
Spectral class |
G9III (yellow) |
|
| Pri motion ra |
+034 |
|
Sec motion ra |
+046 |
|
| Pri motion dec |
+016 |
|
Sec motion dec |
+020 |
|
| Notes |
N
(See Notes) |
|
rPM=0.252 (< 0.3, Physical double)
This double is physical.
20282+8125 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
75 Dra |
3408 |
20 28 14 +81 25 22 |
BUP 211 AB |
2016 |
10 |
11 |
109.5 |
5.48 |
11.34 |
5.86 |
|
|
| Show |
|
3408 |
20 28 14 +81 25 22 |
STH 7 AC |
2015 |
18 |
282 |
196.6 |
5.48 |
6.66 |
1.18 |
|
<=== |
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Draco |
|
SAO |
3408 |
|
HIP |
100965 |
|
Tycho2 |
4597-01693-1 |
|
| Gaia DR2 |
2298389355466272256 |
|
HD |
196787 |
|
HR |
7901 |
|
GC |
28611 |
|
| BD |
BD+80 659 |
|
Flamsteed |
75 Draconis |
|
Flamsteed name |
75 Dra |
|
FK5 |
3963 |
|
| Distance |
139.66 |
|
Distance ly |
455.57 |
|
