18147+5635 BU 1274 BD
18h 14m 31.41s +56° 34' 26.9" P.A. 5.00 sep 5.3 mag 9.80,10.40
Coord 2000 |
18147+5635 |
|
Discov num |
BU 1274 |
|
Comp |
BD |
|
Coord arcsec 2000 |
18 14 31.41 +56 34 26.9 |
|
Date first |
1878 |
|
Date last |
2018 |
|
Obs |
18 |
|
Pa first |
6 |
|
Pa last |
5.1 |
|
P.A. Now (θ) |
5.1° |
|
Sep first |
6.0 |
|
Sep last |
5.291 |
|
Sep. Now (ρ) |
5.291" |
|
Mag pri |
9.80 |
|
Mag sec |
10.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
Pri motion ra |
-001 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
+020 |
|
Sec motion dec |
+021 |
|
Notes |
N
(See Notes) |
|
rPM=0.15 (< 0.3, Physical double)
This double is physical.
18147+5635 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 168092 |
30836 |
18 14 41 +56 35 18 |
BU 1274 A,BC |
2003 |
15 |
238 |
93.7 |
6.37 |
10.91 |
4.54 |
|
|
Show |
|
|
18 14 31 +56 34 27 |
BU 1274 BC |
2017 |
9 |
144 |
1.0 |
9.80 |
10.60 |
0.80 |
|
|
Show |
|
|
18 14 31 +56 34 27 |
BU 1274 BD |
2018 |
18 |
5 |
5.3 |
9.80 |
10.40 |
0.60 |
|
<=== |
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Gaia DR2 |
2151637572867354624 |
|