20116-0609 BU  833AB

 
 
20h 11m 36.08s -06 08' 59.8" P.A. 63 sep 127 mag 8.35,9.21 Sp F5
 
 
Coord 2000
20116-0609
Discov num
BU  833
Comp
AB
Coord arcsec 2000
20 11 36.08 -06 08 59.8
Date first
1881
Date last
2015
Obs
18
Pa first
64
Pa last
63
P.A. Now (θ)
63°
Sep first
118.6
Sep last
127.0
Sep. Now (ρ)
127"
Mag pri
8.35
Mag sec
9.21
delta mag (ΔM)
0.86
Spectral class
F5 (yellow-white)
Pri motion ra
+025
Sec motion ra
+085
Pri motion dec
-012
Sec motion dec
+013
Notes
rPM=0.756
Nature of this double is uncertain.
 
 
20116-0609 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20116-0609 BU 833 AB 1881 2015 18 63 127.0 8.35 9.21 0.86 <===
Show 20116-0609 BU 833 AD 1898 2015 7 352 43.6 8.35 13.89 5.54
Show 20116-0609 BU 833 BC 1881 1945 9 60 2.3 9.21 12.60 3.39
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
63.2
Precise sep
127.04
Constellation
Aquila
Tycho2
5173-01471-1
Gaia DR2
34913920128
HD
191722
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20116-0609 BU 833 AB 2003 14 63 126.4 8.35 9.21 F5 D 201136.08-060859.8
20116-0609 BU 833 AB 2013 16 63 127.1 8.35 9.21 F5 201136.08-060859.8
20116-0609 BU 833 AB 2015 17 63 127.0 8.35 9.21 F5 201136.08-060859.8

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