18582+1722 HO   91AB

 
 
18h 58m 14.75s +17 21' 39.4" P.A. 146 sep 6.9 mag 5.44,10.12 Sp F8II
 
 
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
2011
Obs
15
Pa first
133
Pa last
146
P.A. Now (θ)
146°
Sep first
6.3
Sep last
6.9
Sep. Now (ρ)
6.9"
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 3 282 0.0 5.44 Y
Show 18582+1722 HO 91 AB 1886 2011 15 146 6.9 5.44 10.12 4.68 <===
Triple system
2 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146
Precise sep
6.9
Constellation
Aquila
last precise pa
146
last precise sep
6.9
 
 
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

If you need more information about this double, apply for a data request form to the WDS.