21424+1750 BU  691AE

 
 
21H 42M 25.22S +17 50' 09.5" P.A. 79 SEP 115.4 MAG 8.90,12.30 SP K0
 
 
Coord 2000
21424+1750
Discov num
BU  691
Comp
AE
Coord arcsec 2000
21 42 25.22 +17 50 09.5
Date first
1900
Date last
2001
Obs
7
Pa first
68
Pa last
79
P.A. Now (θ)
79°
Sep first
90.3
Sep last
115.4
Sep. Now (ρ)
115.4"
Mag pri
8.90
Mag sec
12.30
delta mag (ΔM)
3.4
Spectral class
K0 (yellow-orange)
Pri motion ra
+024
Sec motion ra
+264
Pri motion dec
-006
Sec motion dec
-112
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.915
This double is not physical.
 
 
21424+1750 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 107339 21424+1750 HU 373 AB 1877 2009 14 299 1.0 8.90 10.44 1.54
Show 107339 21424+1750 BU 691 AC 1900 2001 5 249 84.5 8.90 12.53 3.63
Show 107339 21424+1750 BU 691 AE 1900 2001 7 79 115.4 8.90 12.30 3.40 <===
Show 21424+1750 FOX9057 CD 1915 2014 4 238 14.7 11.70 12.30 0.60
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.8
Precise sep
115.356
Constellation
Pegasus
SAO
107339
Tycho2
1669-00828-1
HD
206556
last precise pa
78.8
last precise sep
115.356