16566+5711 A 1143 AB,CD (HD 153495)
16h 56m 34.99s +57° 11' 17.2" P.A. 2.00 sep 100.5 mag 8.90,10.21 Sp G0 dist. 88.81 pc (289.7 l.y.)
Coord 2000 |
16566+5711 |
|
Discov num |
A 1143 |
|
Comp |
AB,CD |
|
Coord arcsec 2000 |
16 56 34.99 +57 11 17.2 |
|
Date first |
1905 |
|
Date last |
2015 |
|
Obs |
18 |
|
Pa first |
5 |
|
Pa last |
1.7 |
|
P.A. Now (θ) |
1.7° |
|
Sep first |
96.5 |
|
Sep last |
100.523 |
|
Sep. Now (ρ) |
100.523" |
|
Mag pri |
8.90 |
|
Mag sec |
10.21 |
|
delta mag (ΔM) |
1.31 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
+028 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
+027 |
|
Notes |
N
(See Notes) |
|
rPM=1.821
This double is not physical.
16566+5711 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
30169 |
16 56 35 +57 11 17 |
A 1143 AB |
2016 |
47 |
219 |
0.3 |
9.44 |
9.72 |
0.28 |
Y |
|
Show |
HD 153495 |
30169 |
16 56 35 +57 11 17 |
A 1143 AB,CD |
2015 |
18 |
2 |
100.5 |
8.90 |
10.21 |
1.31 |
|
<=== |
Show |
|
30169 |
16 56 35 +57 11 17 |
A 1143 AB,E |
2015 |
9 |
351 |
52.9 |
8.90 |
13.50 |
4.60 |
|
|
Show |
|
30170 |
16 56 35 +57 12 57 |
A 1143 CD |
2016 |
26 |
139 |
0.7 |
10.72 |
10.85 |
0.13 |
|
|
Quintuple system
7 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 153495 |
|
Constellation |
Draco |
|
SAO |
30169 |
|
HIP |
82910 |
|
Tycho2 |
3894-00576-1 |
|
HD |
153495 |
|
BD |
BD+57 1716 |
|
Distance |
88.81 |
|
Distance ly |
289.7 |
|