20209-1939 BU  662AB

 
 
20h 20m 56.79s -19 38' 32.6" P.A. 4.00 sep 125.2 mag 8.91,10.81 Sp K2III:
 
 
Coord 2000
20209-1939
Discov num
BU  662
Comp
AB
Coord arcsec 2000
20 20 56.79 -19 38 32.6
Date first
1916
Date last
2015
Obs
10
Pa first
3
Pa last
4
P.A. Now (θ)
Sep first
119.7
Sep last
125.2
Sep. Now (ρ)
125.2"
Mag pri
8.91
Mag sec
10.81
delta mag (ΔM)
1.9
Spectral class
K2III: (yellow-orange)
Pri motion ra
-031
Sec motion ra
+015
Pri motion dec
-045
Sec motion dec
+004
Notes
rPM=1.23
This double is not physical.
 
 
20209-1939 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20209-1939 BU 662 AB 1916 2015 10 4 125.2 8.91 10.81 1.90 <===
Show 20209-1939 BU 662 BC 1878 1943 9 294 2.1 10.81 13.00 2.19
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.1
Precise sep
125.171
Constellation
Capricornus
Tycho2
6336-01268-1
Gaia DR2
58147362944
HD
193459
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20209-1939 BU 662 AB 1998 7 4 124.5 8.91 10.81 K2III: D 202056.79-193832.6
20209-1939 BU 662 AB 2008 8 4 124.9 8.91 10.81 K2III: D 202056.79-193832.6
20209-1939 BU 662 AB 2015 10 4 125.2 8.91 10.81 K2III: 202056.79-193832.6

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