17004+2818 LDS4717

 
 
17H 00M 25.91S +28 17' 09.0" P.A. 121 SEP 18.6 MAG 16.30,18.00 SP M1+M3
 
 
Coord 2000
17004+2818
Discov num
LDS4717
Comp
Coord arcsec 2000
17 00 25.91 +28 17 09.0
Date first
1960
Date last
2004
Obs
3
Pa first
148
Pa last
121
P.A. Now (θ)
121°
Sep first
18.0
Sep last
18.6
Sep. Now (ρ)
18.6"
Mag pri
16.30
Mag sec
18.00
delta mag (ΔM)
1.7
Spectral class
M1+M3 (red/red)
Pri motion ra
-132
Sec motion ra
-132
Pri motion dec
+016
Sec motion dec
+006
Notes
V (Proper motion indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Hercules
Tycho2
2071-00298-1
last precise pa
120.8
last precise sep
18.58