18142-3525 B 424 AB (HD 166905)
18h 14m 14.81s -35° 24' 46.9" P.A. 82.00 sep 1.0 mag 8.95,9.60 Sp K5(III)
| Coord 2000 |
18142-3525 |
|
Discov num |
B 424 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 14 14.81 -35 24 46.9 |
|
| Date first |
1926 |
|
Date last |
2014 |
|
Obs |
5 |
|
| Pa first |
80 |
|
Pa last |
81.8 |
|
P.A. Now (θ) |
81.8° |
|
| Sep first |
0.7 |
|
Sep last |
0.951 |
|
Sep. Now (ρ) |
0.951" |
|
| Mag pri |
8.95 |
|
Mag sec |
9.60 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
K5(III) (yellow-orange) |
|
| Pri motion ra |
-002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-011 |
|
Sec motion dec |
-011 |
|
| Notes |
|
|
Nature of this double is uncertain.
18142-3525 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 166905 |
209891 |
18 14 15 -35 24 47 |
B 424 AB |
2014 |
5 |
82 |
1.0 |
8.95 |
9.60 |
0.65 |
|
<=== |
| Show |
|
209891 |
18 14 15 -35 24 47 |
B 424 AC |
2015 |
10 |
143 |
42.5 |
8.95 |
10.77 |
1.82 |
|
|
| Show |
|
|
18 14 17 -35 25 21 |
B 424 CD |
2016 |
7 |
41 |
2.8 |
10.77 |
12.10 |
1.33 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 166905 |
|
Constellation |
Sagittarius |
|
SAO |
209891 |
|
Tycho2 |
7400-01283-1 |
|
| Gaia DR2 |
4038434298266917376 |
|
HD |
166905 |
|
