18590-0740 J  2161BC

 
 
18h 59m 03.76s -07 39' 34.9" P.A. 130 sep 3.7 mag 13.60,14.10
 
 
Coord 2000
18590-0740
Discov num
J  2161
Comp
BC
Coord arcsec 2000
18 59 03.76 -07 39 34.9
Date first
1942
Date last
2015
Obs
4
Pa first
140
Pa last
130
P.A. Now (θ)
130°
Sep first
4.0
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
13.60
Mag sec
14.10
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-003
Sec motion ra
Pri motion dec
-004
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
129.5
Precise sep
3.735
Constellation
Aquila
Tycho2
5706-01843-1
Gaia DR2
4205519688627674880
 
 
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 BC 1999 1 130 3.7 13.60 14.10 D 185903.76-073934.9
18590-0740 J 2161 BC 2000 2 130 3.8 13.60 14.10 D 185903.76-073934.9
18590-0740 J 2161 BC 2015 4 130 3.7 13.60 14.10 185903.76-073934.9

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