18180+3846 GIC 151

 
 
18H 18M 04.14S +38 46' 29.9" P.A. 277 SEP 10 MAG 11.50,13.20 SP M3V+M4V
 
 
Coord 2000
18180+3846
Discov num
GIC 151
Comp
Coord arcsec 2000
18 18 04.14 +38 46 29.9
Date first
1960
Date last
2016
Obs
12
Pa first
290
Pa last
277
P.A. Now (θ)
277°
Sep first
8.5
Sep last
10.0
Sep. Now (ρ)
10"
Mag pri
11.50
Mag sec
13.20
delta mag (ΔM)
1.7
Spectral class
M3V+M4V (red/red)
Pri motion ra
-033
Sec motion ra
-033
Pri motion dec
-104
Sec motion dec
-104
Notes
N P R (See Notes, 100-year proper motion, Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Lyra
last precise pa
277.4
last precise sep
9.977