18229-2524 B   389

 
 
18h 22m 53.64s -25 24' 16.4" P.A. 39 sep 0.1 mag 9.60,9.80 Sp G8V
 
 
Coord 2000
18229-2524
Discov num
B   389
Comp
Coord arcsec 2000
18 22 53.64 -25 24 16.4
Date first
1926
Date last
1991
Obs
8
Pa first
231
Pa last
39
P.A. Now (θ)
39°
Sep first
0.3
Sep last
0.1
Sep. Now (ρ)
0.1"
Mag pri
9.60
Mag sec
9.80
delta mag (ΔM)
0.2
Spectral class
G8V (yellow)
Pri motion ra
-023
Sec motion ra
Pri motion dec
+020
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.3
Precise sep
0.128
Constellation
Sagittarius
SAO
186739
Tycho2
6848-03273-1
HD
168836
last precise pa
39.3
last precise sep
0.128
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18229-2524 B 389 1991 8 39 0.1 9.60 9.80 G8V 182253.64-252416.4

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