20412-6242 R   323AB

 
 
20h 41m 11.31s -62 41' 46.2" P.A. 319.00 sep 2.9 mag 9.54,10.21 Sp F5V
 
 
Coord 2000
20412-6242
Discov num
R   323
Comp
AB
Coord arcsec 2000
20 41 11.31 -62 41 46.2
Date first
1880
Date last
2015
Obs
16
Pa first
313
Pa last
319
P.A. Now (θ)
319°
Sep first
2.7
Sep last
2.9
Sep. Now (ρ)
2.9"
Mag pri
9.54
Mag sec
10.21
delta mag (ΔM)
0.67
Spectral class
F5V (yellow-white)
Pri motion ra
+031
Sec motion ra
+033
Pri motion dec
-057
Sec motion dec
-055
Notes
T (Parallax indicates physical)
Visually invisible, K-band or other infrared star rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
20412-6242 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20412-6242 R 323 AB 1880 2015 16 319 2.9 9.54 10.21 0.67 <===
Show 20412-6242 BAU 63 AC 1993 2015 3 266 9.1 9.54 14.00 4.46
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
319.1
Precise sep
2.928
Constellation
Pavo
Tycho2
9104-00287-1
Gaia DR2
33979782016
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20412-6242 R 323 AB 1993 13 321 2.9 9.54 10.21 F5V D 204111.31-624146.2
20412-6242 R 323 AB 1998 14 318 2.9 9.54 10.21 F5V D 204111.31-624146.2
20412-6242 R 323 AB 2015 15 319 2.9 9.54 10.21 F5V 204111.31-624146.2

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