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
 
 
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 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
HD
195564
HR
7845
last precise pa
47.8
last precise sep
1.182
 
 
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

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