18311+2216 COU  15

 
 
18H 31M 01.16S +22 17' 02.1" P.A. 107 SEP 1.5 MAG 9.70,12.70 SP F5
 
 
Coord 2000
18311+2216
Discov num
COU  15
Comp
Coord arcsec 2000
18 31 01.16 +22 17 02.1
Date first
1957
Date last
2000
Obs
2
Pa first
123
Pa last
107
P.A. Now (θ)
107°
Sep first
1.7
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
9.70
Mag sec
12.70
delta mag (ΔM)
3
Spectral class
F5 (yellow-white)
Pri motion ra
-009
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
1581-00134-1
HD
342390
last precise pa
107.4
last precise sep
1.54