18475+4926 BU 971 AB
18h 47m 29.57s +49° 25' 55.4" P.A. 215.00 sep 0.5 mag 7.37,10.16 Sp F0III dist. 229.36 pc (748.17 l.y.)
| Coord 2000 |
18475+4926 |
|
Discov num |
BU 971 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 47 29.57 +49 25 55.4 |
|
| Date first |
1879 |
|
Date last |
2016 |
|
Obs |
36 |
|
| Pa first |
355 |
|
Pa last |
214.6 |
|
P.A. Now (θ) |
214.6° |
|
| Sep first |
0.5 |
|
Sep last |
0.491 |
|
Sep. Now (ρ) |
0.491" |
|
| Mag pri |
7.37 |
|
Mag sec |
10.16 |
|
delta mag (ΔM) |
2.79 |
|
Spectral class |
F0III (yellow-white) |
|
| Pri motion ra |
+011 |
|
Sec motion ra |
|
|
| Pri motion dec |
-010 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18475+4926 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
47811 |
18 47 30 +49 25 55 |
BU 971 AB |
2016 |
36 |
215 |
0.5 |
7.37 |
10.16 |
2.79 |
|
<=== |
| Show |
V413 Dra |
47811 |
18 47 30 +49 25 55 |
BU 971 AB,C |
2015 |
7 |
113 |
104.4 |
7.23 |
12.14 |
4.91 |
|
|
| Show |
|
47811 |
18 47 30 +49 25 55 |
FOX 235 AB,D |
2015 |
6 |
131 |
91.4 |
7.23 |
13.80 |
6.57 |
|
|
Quadruple system
5 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V413 Dra |
|
Constellation |
Draco |
|
SAO |
47811 |
|
HIP |
92204 |
|
| Tycho2 |
3548-02346-1 |
|
Gaia DR2 |
2143847082010882176 |
|
HD |
174343 |
|
GC |
25773 |
|
| BD |
BD+49 2871 |
|
Flamsteed |
205 Draconis |
|
Flamsteed name |
205 Dra |
|
Distance |
229.36 |
|
| Distance ly |
748.17 |
|
