16451-2311 LDS4690BC

 
 
16H 45M 15.06S -23 10' 04.6" P.A. 257 SEP 10.6 MAG 17.50,19.80
 
 
Coord 2000
16451-2311
Discov num
LDS4690
Comp
BC
Coord arcsec 2000
16 45 15.06 -23 10 04.6
Date first
1960
Date last
1998
Obs
3
Pa first
260
Pa last
257
P.A. Now (θ)
257°
Sep first
10.5
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
17.50
Mag sec
19.80
delta mag (ΔM)
2.3
Spectral class
Pri motion ra
-041
Sec motion ra
Pri motion dec
-032
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
16451-2311 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 15 Oph 184607 16451-2311 LDS4690 AB 1960 1999 3 57 105.2 7.03 17.50 10.47
Show 16451-2311 LDS4690 BC 1960 1998 3 257 10.6 17.50 19.80 2.30 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Ophiuchus
last precise pa
256.9
last precise sep
10.56