18582+1722 HO 91 AB (FF Aql)
18h 58m 14.75s +17° 21' 39.4" P.A. 146.00 sep 7.0 mag 5.44,10.12 Sp F8II dist. 473.93 pc (1545.96 l.y.)
Coord 2000 |
18582+1722 |
|
Discov num |
HO 91 |
|
Comp |
AB |
|
Coord arcsec 2000 |
18 58 14.75 +17 21 39.4 |
|
Date first |
1886 |
|
Date last |
2015 |
|
Obs |
16 |
|
Pa first |
133 |
|
Pa last |
146.2 |
|
P.A. Now (θ) |
146.2° |
|
Sep first |
6.3 |
|
Sep last |
6.976 |
|
Sep. Now (ρ) |
6.976" |
|
Mag pri |
5.44 |
|
Mag sec |
10.12 |
|
delta mag (ΔM) |
4.68 |
|
Spectral class |
F8II (yellow-white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
|
|
Pri motion dec |
-009 |
|
Sec motion dec |
|
|
Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
18582+1722 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
|
104296 |
18 58 15 +17 21 39 |
CIA 14 Aa1,2 |
2012 |
1 |
352 |
0.0 |
4.20 |
4.50 |
0.30 |
Y |
|
Show |
|
104296 |
18 58 15 +17 21 39 |
CHR 82 Aa,Ab |
1990 |
3 |
157 |
0.2 |
5.44 |
|
|
|
|
Show |
FF Aql |
104296 |
18 58 15 +17 21 39 |
HO 91 AB |
2015 |
16 |
146 |
7.0 |
5.44 |
10.12 |
4.68 |
|
<=== |
Show |
|
104296 |
18 58 15 +17 21 39 |
KRV 25 AC |
2015 |
1 |
79 |
96.0 |
5.70 |
20.50 |
14.80 |
|
|
Quintuple system
3 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Var name |
FF Aql |
|
Constellation |
Aquila |
|
SAO |
104296 |
|
HIP |
93124 |
|
Tycho2 |
1589-02551-1 |
|
Gaia DR2 |
4514145288240593408 |
|
HD |
176155 |
|
HR |
7165 |
|
GC |
26052 |
|
ADS |
11884 |
|
BD |
BD+17 3799 |
|
Distance |
473.93 |
|
Distance ly |
1545.96 |
|