18582+1722 HO   91AB (FF Aql)

 
 
18h 58m 14.75s +17 21' 39.4" P.A. 146 sep 7 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
P.A. Now (θ)
146°
Sep first
6.3
Sep last
7.0
Sep. Now (ρ)
7"
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_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 104296 18582+1722 CHR 82 Aa,Ab 1984 1990 3 33 0.0 5.44 Y
Show FF Aql 18582+1722 HO 91 AB 1886 2015 16 146 7.0 5.44 10.12 4.68 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146.2
Precise sep
6.976
Other name
FF Aql
Var name
FF Aql
Constellation
Aquila
SAO
104296
HIP
93124
Tycho2
1589-02551-1
Gaia DR2
88240593408
HD
176155
HR
7165
GC
26052
BD
BD+17 3799
Distance
473.93
Distance ly
1545.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18582+1722 HO 91 AB 1991 12 143 6.9 5.44 10.12 F8II D 185814.75+172139.4
18582+1722 HO 91 AB 2002 14 144 6.8 5.44 10.12 F8II N D 185814.75+172139.4
18582+1722 HO 91 AB 2011 15 146 6.9 5.44 10.12 F8II N 185814.75+172139.4
18582+1722 HO 91 AB 2015 16 146 7.0 5.44 10.12 F8II N 185814.75+172139.4

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