20324-0951 BU  668AB

 
 
20h 32m 23.69s -09 51' 12.2" P.A. 48 sep 1.2 mag 5.80,11.30 Sp G2V+M0V dist. 24.4 pc (79.59 l.y.)
 
 
Coord 2000
20324-0951
Discov num
BU  668
Comp
AB
Coord arcsec 2000
20 32 23.69 -09 51 12.2
Date first
1878
Date last
2015
Obs
20
Pa first
29
Pa last
48
P.A. Now (θ)
48°
Sep first
4.6
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
5.80
Mag sec
11.30
delta mag (ΔM)
5.5
Spectral class
G2V+M0V (yellow/red)
Pri motion ra
+308
Sec motion ra
Pri motion dec
+104
Sec motion dec
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
20324-0951 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 163665 20324-0951 BU 668 AB 1878 2015 20 48 1.2 5.80 11.30 5.50 <===
Show 163665 20324-0951 BU 668 AC 1906 2000 10 209 121.9 5.73 9.90 4.17
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
47.8
Precise sep
1.182
Constellation
Capricornus
SAO
163665
HIP
101345
Tycho2
5758-02542-1
HD
195564
HR
7845
BD
BD-10 5423
Distance
24.4
Distance ly
79.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20324-0951 BU 668 AB 1965 16 27 3.2 5.80 11.30 G2V 203223.51-095113.1
20324-0951 BU 668 AB 2002 18 40 1.8 5.80 11.30 G2V+M0V V 203223.69-095112.2
20324-0951 BU 668 AB 2015 20 48 1.2 5.80 11.30 G2V+M0V V 203223.69-095112.2

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