18211+7244 BUP 182 BC
18h 21m 02.31s +72° 46' 54.2" P.A. 303.00 sep 9.1 mag 12.10,14.50
Coord 2000 |
18211+7244 |
|
Discov num |
BUP 182 |
|
Comp |
BC |
|
Coord arcsec 2000 |
18 21 02.31 +72 46 54.2 |
|
Date first |
1908 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
302 |
|
Pa last |
302.8 |
|
P.A. Now (θ) |
302.8° |
|
Sep first |
10.2 |
|
Sep last |
9.124 |
|
Sep. Now (ρ) |
9.124" |
|
Mag pri |
12.10 |
|
Mag sec |
14.50 |
|
delta mag (ΔM) |
2.4 |
|
Spectral class |
|
|
Pri motion ra |
+000 |
|
Sec motion ra |
+006 |
|
Pri motion dec |
+010 |
|
Sec motion dec |
+014 |
|
Notes |
N
(See Notes) |
|
rPM=0.473
Nature of this double is uncertain.
18211+7244 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
9087 |
18 21 02 +72 43 58 |
LAB 5 Aa,Ab |
2010 |
62 |
220 |
0.1 |
3.57 |
5.70 |
2.13 |
Y |
|
Show |
Chi Dra |
9087 |
18 21 02 +72 43 58 |
BUP 182 AB |
2008 |
6 |
357 |
177.8 |
3.57 |
12.10 |
8.53 |
|
|
Show |
|
|
18 21 02 +72 46 54 |
BUP 182 BC |
2015 |
8 |
303 |
9.1 |
12.10 |
14.50 |
2.40 |
|
<=== |
Quadruple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Draco |
|
Tycho2 |
4437-00465-1 |
|
Gaia DR2 |
2266698230601414784 |
|