20321-4742 I  1087AB

 
 
20h 32m 08.83s -47 42' 06.3" P.A. 95 sep 3.5 mag 10.40,10.40 Sp K5/M0V dist. 30.33 pc (98.94 l.y.)
 
 
Coord 2000
20321-4742
Discov num
I  1087
Comp
AB
Coord arcsec 2000
20 32 08.83 -47 42 06.3
Date first
1913
Date last
2015
Obs
13
Pa first
69
Pa last
95
P.A. Now (θ)
95°
Sep first
2.9
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
10.40
Mag sec
10.40
delta mag (ΔM)
0
Spectral class
K5/M0V (yellow-orange)
Pri motion ra
+086
Sec motion ra
Pri motion dec
-133
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
20321-4742 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20321-4742 I 1087 AB 1913 2015 13 95 3.5 10.40 10.40 0.00 <===
Show 20321-4742 TOK 628 AC 1980 1999 4 120 999.9 10.40 9.76 0.64
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
95.1
Precise sep
3.498
Constellation
Indus
HIP
101317
Gaia DR2
89418902144
HD
195266
CD
CD-4813595
CP
CP-4810423
Distance
30.33
Distance ly
98.94
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20321-4742 I 1087 AB 1999 12 92 2.7 10.92 11.03 K5/M0V 203209.12-474205.4
20321-4742 I 1087 AB 2015 13 95 3.5 10.40 10.40 K5/M0V R 203208.83-474206.3

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