18564-4040 WG  238

 
 
18h 56m 22.05s -40 40' 35.0" P.A. 129 sep 6.7 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
2015
Obs
6
Pa first
129
Pa last
129
P.A. Now (θ)
129°
Sep first
6.6
Sep last
6.7
Sep. Now (ρ)
6.7"
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
128.8
Precise sep
6.661
Constellation
Corona Austrina
Gaia DR2
6716669869823446528
 
 
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
18564-4040 WG 238 2015 6 129 6.7 11.80 12.40 A2V+A2V N 185622.05-404035.0

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