20455-0332 AHD  29

 
 
20h 45m 29.15s -03 31' 43.2" P.A. 136 sep 20.9 mag 12.20,12.50 Sp K6V+K7V
 
 
Coord 2000
20455-0332
Discov num
AHD  29
Comp
Coord arcsec 2000
20 45 29.15 -03 31 43.2
Date first
1895
Date last
2010
Obs
8
Pa first
137
Pa last
136
P.A. Now (θ)
136°
Sep first
20.8
Sep last
20.9
Sep. Now (ρ)
20.9"
Mag pri
12.20
Mag sec
12.50
delta mag (ΔM)
0.3
Spectral class
K6V+K7V (yellow-orange/yellow-orange)
Pri motion ra
-004
Sec motion ra
-001
Pri motion dec
-041
Sec motion dec
-034
Notes
V (Proper motion indicates physical)
rPM=0.185 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
136.4
Precise sep
20.87
Constellation
Aquarius
Tycho2
5182-01922-1
last precise pa
136.4
last precise sep
20.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20455-0332 AHD 29 2010 6 136 20.9 12.20 12.50 K6V+K7V V 204529.15-033143.2

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