18295+2955 STF 2328 AB (HD 170669)
18h 29m 27.87s +29° 55' 27.2" P.A. 72.00 sep 3.7 mag 9.00,9.50 Sp A2
| Coord 2000 |
18295+2955 |
|
Discov num |
STF2328 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 29 27.87 +29 55 27.2 |
|
| Date first |
1828 |
|
Date last |
2020 |
|
Obs |
59 |
|
| Pa first |
84 |
|
Pa last |
72.3 |
|
P.A. Now (θ) |
72.3° |
|
| Sep first |
2.5 |
|
Sep last |
3.707 |
|
Sep. Now (ρ) |
3.707" |
|
| Mag pri |
9.00 |
|
Mag sec |
9.50 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
A2 (white) |
|
| Pri motion ra |
-004 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-014 |
|
Sec motion dec |
-014 |
|
| Notes |
T
(Parallax indicates physical) |
|
rPM=0.131 (< 0.3, Physical double)
This double is physical.
18295+2955 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 170669 |
86117 |
18 29 28 +29 55 27 |
STF 2328 AB |
2020 |
59 |
72 |
3.7 |
9.00 |
9.50 |
0.50 |
|
<=== |
| Show |
|
86117 |
18 29 28 +29 55 27 |
WAL 91 AC |
2017 |
5 |
352 |
53.9 |
9.00 |
13.20 |
4.20 |
|
|
Triple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 170669 |
|
Constellation |
Lyra |
|
SAO |
86117 |
|
Tycho2 |
2118-01398-1 |
|
| Gaia DR2 |
4588261168016752896 |
|
HD |
170669 |
|
GC |
25251 |
|
