18540+1516 L    40

 
 
18H 53M 57.03S +15 15' 35.6" P.A. 6 SEP 13.6 MAG 8.56,11.70 SP A0
 
 
Coord 2000
18540+1516
Discov num
L    40
Comp
Coord arcsec 2000
18 53 57.03 +15 15 35.6
Date first
1896
Date last
2010
Obs
9
Pa first
7
Pa last
6
P.A. Now (θ)
Sep first
13.4
Sep last
13.6
Sep. Now (ρ)
13.6"
Mag pri
8.56
Mag sec
11.70
delta mag (ΔM)
3.14
Spectral class
A0 (white)
Pri motion ra
+003
Sec motion ra
+005
Pri motion dec
-006
Sec motion dec
-004
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
5.7
last precise sep
13.56