18396+4056 COU1607

 
 
18H 39M 33.03S +40 56' 06.2" P.A. 136 MAG 6.47,7.99 SP B9V DIST. 271.74 PC (886.42 L.Y.)
 
 
Coord 2000
18396+4056
Discov num
COU1607
Comp
Coord arcsec 2000
18 39 33.03 +40 56 06.2
Date first
1978
Date last
2014
Obs
38
Pa first
96
Pa last
136
P.A. Now (θ)
136°
Sep first
0.1
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
6.47
Mag sec
7.99
delta mag (ΔM)
1.52
Spectral class
B9V (blue-white)
Pri motion ra
+015
Sec motion ra
Pri motion dec
+003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
SAO
47676
HIP
91491
Tycho2
3109-00722-1
HD
172671
HR
7017
BD
BD+40 3446
Distance
271.74
Distance ly
886.42
last precise pa
136.2
last precise sep
0.014