18590-0740 J  2161AB

 
 
18h 59m 02.90s -07 40' 01.6" P.A. 25 sep 29.6 mag 10.10,13.60
 
 
Coord 2000
18590-0740
Discov num
J  2161
Comp
AB
Coord arcsec 2000
18 59 02.90 -07 40 01.6
Date first
1892
Date last
2015
Obs
5
Pa first
26
Pa last
25
P.A. Now (θ)
25°
Sep first
27.8
Sep last
29.6
Sep. Now (ρ)
29.6"
Mag pri
10.10
Mag sec
13.60
delta mag (ΔM)
3.5
Spectral class
Pri motion ra
-008
Sec motion ra
Pri motion dec
-016
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18590-0740 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18590-0740 J 2161 AB 1892 2015 5 25 29.6 10.10 13.60 3.50 <===
Show 18590-0740 J 2161 BC 1942 2015 4 130 3.7 13.60 14.10 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
25
Precise sep
29.613
Constellation
Aquila
Tycho2
5706-01843-1
Gaia DR2
4205519585540231040
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18590-0740 J 2161 AB 1942 3 140 4.0 10.13 13.50 185902.90-074001.6
18590-0740 J 2161 AB 2000 4 25 29.5 10.10 13.60 185902.90-074001.6
18590-0740 J 2161 AB 2015 5 25 29.6 10.10 13.60 185902.90-074001.6

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