18437+3024 STF 2376 AB (HD 173384)
18h 43m 42.26s +30° 24' 16.9" P.A. 63.00 sep 22.3 mag 8.66,9.31 Sp A0 dist. 202.84 pc (661.66 l.y.)
| Coord 2000 |
18437+3024 |
|
Discov num |
STF2376 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 43 42.26 +30 24 16.9 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
41 |
|
| Pa first |
64 |
|
Pa last |
62.9 |
|
P.A. Now (θ) |
62.9° |
|
| Sep first |
22.3 |
|
Sep last |
22.313 |
|
Sep. Now (ρ) |
22.313" |
|
| Mag pri |
8.66 |
|
Mag sec |
9.31 |
|
delta mag (ΔM) |
0.65 |
|
Spectral class |
A0 (white) |
|
| Pri motion ra |
+007 |
|
Sec motion ra |
+009 |
|
| Pri motion dec |
+007 |
|
Sec motion dec |
+008 |
|
| Notes |
|
|
rPM=0.186 (< 0.3, Physical double)
This double is physical.
18437+3024 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
HD 173384 |
67290 |
18 43 42 +30 24 17 |
STF 2376 AB |
2015 |
41 |
63 |
22.3 |
8.66 |
9.31 |
0.65 |
|
<=== |
| Show |
|
67290 |
18 43 42 +30 24 17 |
STF 2376 AC |
2015 |
15 |
206 |
85.1 |
8.66 |
12.12 |
3.46 |
|
|
| Show |
|
67290 |
18 43 42 +30 24 17 |
SLE 112 AD |
2015 |
8 |
168 |
29.1 |
8.66 |
12.90 |
4.24 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 173384 |
|
Constellation |
Lyra |
|
SAO |
67290 |
|
HIP |
91863 |
|
| Tycho2 |
2637-02280-1 |
|
Gaia DR2 |
2089741218621952256 |
|
HD |
173384 |
|
GC |
25638 |
|
| ADS |
11624 |
|
BD |
BD+30 3281 |
|
Distance |
202.84 |
|
Distance ly |
661.66 |
|
