18569+5645 STF 2433 AB (HD 176409)
18h 56m 55.18s +56° 44' 57.4" P.A. 122.00 sep 7.4 mag 7.17,10.09 Sp F2V dist. 141.24 pc (460.72 l.y.)
| Coord 2000 |
18569+5645 |
|
Discov num |
STF2433 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 56 55.18 +56 44 57.4 |
|
| Date first |
1834 |
|
Date last |
2017 |
|
Obs |
23 |
|
| Pa first |
128 |
|
Pa last |
121.6 |
|
P.A. Now (θ) |
121.6° |
|
| Sep first |
7.4 |
|
Sep last |
7.43 |
|
Sep. Now (ρ) |
7.43" |
|
| Mag pri |
7.17 |
|
Mag sec |
10.09 |
|
delta mag (ΔM) |
2.92 |
|
Spectral class |
F2V (yellow-white) |
|
| Pri motion ra |
+037 |
|
Sec motion ra |
+037 |
|
| Pri motion dec |
+041 |
|
Sec motion dec |
+041 |
|
| Notes |
|
|
Nature of this double is uncertain.
18569+5645 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 176409 |
31286 |
18 56 55 +56 44 57 |
STF 2433 AB |
2017 |
23 |
122 |
7.4 |
7.17 |
10.09 |
2.92 |
|
<=== |
| Show |
|
31286 |
18 56 55 +56 44 57 |
STF 2433 AC |
2015 |
10 |
140 |
39.5 |
7.17 |
12.65 |
5.48 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 176409 |
|
Constellation |
Draco |
|
SAO |
31286 |
|
HIP |
93013 |
|
| Tycho2 |
3927-01050-1 |
|
Gaia DR2 |
2153379130566804992 |
|
HD |
176409 |
|
GC |
26051 |
|
| ADS |
11883 |
|
BD |
BD+56 2167 |
|
Distance |
141.24 |
|
Distance ly |
460.72 |
|