18189-7304 B  1881

 
 
18h 18m 54.60s -73 04' 16.5" P.A. 227 sep 0.9 mag 9.92,9.97 Sp G0V dist. 178.57 pc (582.5 l.y.)
 
 
Coord 2000
18189-7304
Discov num
B  1881
Comp
Coord arcsec 2000
18 18 54.60 -73 04 16.5
Date first
1931
Date last
1991
Obs
5
Pa first
222
Pa last
227
P.A. Now (θ)
227°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
9.92
Mag sec
9.97
delta mag (ΔM)
0.05
Spectral class
G0V (yellow)
Pri motion ra
-023
Sec motion ra
-023
Pri motion dec
+030
Sec motion dec
+030
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
226.9
Precise sep
0.861
Constellation
Pavo
SAO
257580
HIP
89746
Tycho2
9298-01013-1
HD
166654
CP
CP-73 1893
Distance
178.57
Distance ly
582.5
last precise pa
226.9
last precise sep
0.861
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18189-7304 B 1881 1991 5 227 0.9 9.92 9.97 G0V D 181854.60-730416.5

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