18303+1907 COU 508

 
 
18H 30M 16.78S +19 07' 27.3" P.A. 254 SEP 0.9 MAG 10.00,12.70 SP F5
 
 
Coord 2000
18303+1907
Discov num
COU 508
Comp
Coord arcsec 2000
18 30 16.78 +19 07 27.3
Date first
1970
Date last
2010
Obs
3
Pa first
249
Pa last
254
P.A. Now (θ)
254°
Sep first
0.7
Sep last
0.9
Sep. Now (ρ)
0.9"
Mag pri
10.00
Mag sec
12.70
delta mag (ΔM)
2.7
Spectral class
F5 (yellow-white)
Pri motion ra
-012
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
SAO
103790
Tycho2
1577-01852-1
HD
348794
last precise pa
254.4
last precise sep
0.89