18564-4040 WG  238

 
 
18h 56m 22.05s -40 40' 35.0" P.A. 129 sep 6.6 mag 11.80,12.40 Sp A2V+A2V
 
 
Coord 2000
18564-4040
Discov num
WG  238
Comp
Coord arcsec 2000
18 56 22.05 -40 40 35.0
Date first
1898
Date last
1999
Obs
5
Pa first
129
Pa last
129
P.A. Now (θ)
129°
Sep first
6.6
Sep last
6.6
Sep. Now (ρ)
6.6"
Mag pri
11.80
Mag sec
12.40
delta mag (ΔM)
0.6
Spectral class
A2V+A2V (white/white)
Pri motion ra
-004
Sec motion ra
+004
Pri motion dec
-002
Sec motion dec
-004
Notes
N (See Notes)
rPM=1.458
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
128.7
Precise sep
6.61
Constellation
Corona Austrina
last precise pa
128.7
last precise sep
6.61
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18564-4040 WG 238 1903 2 135 6.1 12.17 12.50 A2V A2V N D 185626.26-403850.2
18564-4040 WG 238 1999 3 129 6.6 11.80 12.40 A2V A2V N D 185622.05-404035.0
18564-4040 WG 238 2010 6 130 5.9 11.80 12.40 A2V+A2V N 185622.05-404035.0

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