16566+5711 A 1143 CD
16h 56m 35.49s +57° 12' 56.9" P.A. 139.00 sep 0.7 mag 10.72,10.85 Sp K5
Coord 2000 |
16566+5711 |
|
Discov num |
A 1143 |
|
Comp |
CD |
|
Coord arcsec 2000 |
16 56 35.49 +57 12 56.9 |
|
Date first |
1905 |
|
Date last |
2016 |
|
Obs |
26 |
|
Pa first |
148 |
|
Pa last |
139.3 |
|
P.A. Now (θ) |
139.3° |
|
Sep first |
0.8 |
|
Sep last |
0.696 |
|
Sep. Now (ρ) |
0.696" |
|
Mag pri |
10.72 |
|
Mag sec |
10.85 |
|
delta mag (ΔM) |
0.13 |
|
Spectral class |
K5 (yellow-orange) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
-012 |
|
Pri motion dec |
+030 |
|
Sec motion dec |
+030 |
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
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
Constellation |
Draco |
|
SAO |
30170 |
|
Tycho2 |
3894-00682-1 |
|
Gaia DR2 |
1433625551867742208 |
|
HD |
238627 |
|