18173-3956 WG  230

 
 
18h 17m 19.82s -39 55' 49.3" P.A. 88 sep 2.3 mag 11.18,11.52 Sp F8
 
 
Coord 2000
18173-3956
Discov num
WG  230
Comp
Coord arcsec 2000
18 17 19.82 -39 55 49.3
Date first
1903
Date last
1998
Obs
6
Pa first
84
Pa last
88
P.A. Now (θ)
88°
Sep first
1.5
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
11.18
Mag sec
11.52
delta mag (ΔM)
0.34
Spectral class
F8 (yellow-white)
Pri motion ra
-025
Sec motion ra
+009
Pri motion dec
+002
Sec motion dec
-011
Notes
rPM=1.451
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.8
Precise sep
2.338
Constellation
Corona Austrina
Tycho2
7904-01987-1
HD
325204
last precise pa
87.8
last precise sep
2.338
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18173-3956 WG 230 1991 5 87 2.4 11.18 11.52 F8 181719.82-395549.3
18173-3956 WG 230 1998 6 88 2.3 11.18 11.52 F8 181719.82-395549.3

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