18455+2815 STF2381

 
 
18H 45M 30.77S +28 15' 24.3" P.A. 122 SEP 8.5 MAG 8.27,10.36 SP G8III/IV DIST. 259.74 PC (847.27 L.Y.)
 
 
Coord 2000
18455+2815
Discov num
STF2381
Comp
Coord arcsec 2000
18 45 30.77 +28 15 24.3
Date first
1830
Date last
2008
Obs
21
Pa first
123
Pa last
122
P.A. Now (θ)
122°
Sep first
8.5
Sep last
8.5
Sep. Now (ρ)
8.5"
Mag pri
8.27
Mag sec
10.36
delta mag (ΔM)
2.09
Spectral class
G8III/IV (yellow)
Pri motion ra
+016
Sec motion ra
+017
Pri motion dec
+010
Sec motion dec
+007
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
HIP
92031
Tycho2
2120-01126-1
HD
173702
BD
BD+28 3073
Distance
259.74
Distance ly
847.27
last precise pa
122.1
last precise sep
8.5