16390+5040 CVR1669

 
 
16H 39M 01.20S +50 39' 49.6" P.A. 24 SEP 4.9 MAG 17.20,17.80 SP M2+M3
 
 
Coord 2000
16390+5040
Discov num
CVR1669
Comp
Coord arcsec 2000
16 39 01.20 +50 39 49.6
Date first
1998
Date last
2010
Obs
3
Pa first
23
Pa last
24
P.A. Now (θ)
24°
Sep first
4.8
Sep last
4.9
Sep. Now (ρ)
4.9"
Mag pri
17.20
Mag sec
17.80
delta mag (ΔM)
0.6
Spectral class
M2+M3 (red/red)
Pri motion ra
-017
Sec motion ra
Pri motion dec
+016
Sec motion dec
Notes
R (Red magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
last precise pa
23.5
last precise sep
4.85