17042+3159 CVR1690

 
 
17H 04M 10.21S +31 59' 14.6" P.A. 238 SEP 3.5 MAG 17.90,18.00 SP M3+M3
 
 
Coord 2000
17042+3159
Discov num
CVR1690
Comp
Coord arcsec 2000
17 04 10.21 +31 59 14.6
Date first
1998
Date last
2001
Obs
2
Pa first
238
Pa last
238
P.A. Now (θ)
238°
Sep first
3.5
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
17.90
Mag sec
18.00
delta mag (ΔM)
0.1
Spectral class
M3+M3 (red/red)
Pri motion ra
+001
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
237.9
last precise sep
3.52