18211+7244 BUP 182 AB (Chi Dra)
18h 21m 02.38s +72° 43' 58.2" P.A. 357.00 sep 177.8 mag 3.57,12.10 Sp F7V dist. 8.06 pc (26.29 l.y.)
Coord 2000 |
18211+7244 |
|
Discov num |
BUP 182 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 21 02.38 +72 43 58.2 |
|
Date first |
1879 |
|
Date last |
2008 |
|
Obs |
6 |
|
Pa first |
27 |
|
Pa last |
356.9 |
|
P.A. Now (θ) |
356.9° |
|
Sep first |
144.6 |
|
Sep last |
177.78 |
|
Sep. Now (ρ) |
177.78" |
|
Mag pri |
3.57 |
|
Mag sec |
12.10 |
|
delta mag (ΔM) |
8.53 |
|
Spectral class |
F7V (yellow-white) |
|
Pri motion ra |
+531 |
|
Sec motion ra |
-006 |
|
Pri motion dec |
-350 |
|
Sec motion dec |
+012 |
|
Notes |
N
U
(See Notes, Proper motion indicates non-physical) |
|
rPM=1.018
This double is not physical.
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
Name |
Chi Dra |
|
Var name |
NSV10749 Dra |
|
Constellation |
Draco |
|
SAO |
9087 |
|
HIP |
89937 |
|
Tycho2 |
4437-01491-1 |
|
HD |
170153 |
|
HR |
6927 |
|
GC |
25122 |
|
GL |
Gl 713A |
|
BD |
BD+72 839 |
|
Bayer |
Chi Draconis |
|
Bayer name |
Chi Dra |
|
Flamsteed |
44 Draconis |
|
Flamsteed name |
44 Dra |
|
FK5 |
695 |
|
Distance |
8.06 |
|
Distance ly |
26.29 |
|
Bayer greek |
χ Dra |
|