20451-2346 I   666

 
 
20h 45m 03.37s -23 45' 38.3" P.A. 149.00 sep 0.4 mag 8.90,9.10 Sp G3V
 
 
Coord 2000
20451-2346
Discov num
I   666
Comp
Coord arcsec 2000
20 45 03.37 -23 45 38.3
Date first
1909
Date last
2018
Obs
16
Pa first
340
Pa last
149
P.A. Now (θ)
149°
Sep first
0.7
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
8.90
Mag sec
9.10
delta mag (ΔM)
0.2
Spectral class
G3V (yellow)
Pri motion ra
+066
Sec motion ra
Pri motion dec
-089
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.1
Precise sep
0.448
Constellation
Capricornus
SAO
189640
Tycho2
6921-01308-1
Gaia DR2
53492029952
HD
197539
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20451-2346 I 666 1992 14 53 0.1 8.90 9.10 G3V 204503.37-234538.3
20451-2346 I 666 2001 15 125 0.2 8.90 9.10 G3V 204503.37-234538.3
20451-2346 I 666 2018 16 149 0.4 8.90 9.10 G3V 204503.37-234538.3

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