20303-5741 B   485

 
 
20h 30m 16.17s -57 41' 09.7" P.A. 83 sep 0.3 mag 9.40,10.20 Sp A3m
 
 
Coord 2000
20303-5741
Discov num
B   485
Comp
Coord arcsec 2000
20 30 16.17 -57 41 09.7
Date first
1927
Date last
1984
Obs
4
Pa first
72
Pa last
83
P.A. Now (θ)
83°
Sep first
0.4
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.40
Mag sec
10.20
delta mag (ΔM)
0.8
Spectral class
A3m (white)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-033
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
82.6
Precise sep
0.32
Constellation
Indus
SAO
246615
Tycho2
8798-01426-1
Gaia DR2
42378735232
HD
194775
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20303-5741 B 485 1984 4 83 0.3 9.40 10.20 A3m 203016.17-574109.7

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