21343-2353 BVD 138

 
 
21h 34m 16.49s -23 53' 29.9" P.A. 121.00 sep 25.1 mag 11.45,11.87 Sp K0V+K3V
 
 
Coord 2000
21343-2353
Discov num
BVD 138
Comp
Coord arcsec 2000
21 34 16.49 -23 53 29.9
Date first
1909
Date last
2015
Obs
11
Pa first
122
Pa last
121
P.A. Now (θ)
121°
Sep first
25.3
Sep last
25.1
Sep. Now (ρ)
25.1"
Mag pri
11.45
Mag sec
11.87
delta mag (ΔM)
0.42
Spectral class
K0V+K3V (yellow-orange/yellow-orange)
Pri motion ra
+006
Sec motion ra
+007
Pri motion dec
-058
Sec motion dec
-061
Notes
rPM=0.052 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
121.1
Precise sep
25.146
Constellation
Capricornus
Tycho2
6939-00947-1
Gaia DR2
66586402048
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21343-2353 BVD 138 2006 5 121 25.2 11.45 12.02 K0V K3V 213416.49-235329.9
21343-2353 BVD 138 2010 10 121 25.1 11.45 11.87 K0V+K3V 213416.49-235329.9
21343-2353 BVD 138 2015 11 121 25.1 11.45 11.87 K0V+K3V 213416.49-235329.9

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