17503-2620 HJ 4986AB

 
 
17H 50M 18.08S -26 19' 33.6" P.A. 225 SEP 10.7 MAG 8.16,11.05 SP B7/8V
 
 
Coord 2000
17503-2620
Discov num
HJ 4986
Comp
AB
Coord arcsec 2000
17 50 18.08 -26 19 33.6
Date first
1834
Date last
1999
Obs
9
Pa first
230
Pa last
225
P.A. Now (θ)
225°
Sep first
12.0
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
8.16
Mag sec
11.05
delta mag (ΔM)
2.89
Spectral class
B7/8V (blue-white)
Pri motion ra
+002
Sec motion ra
+000
Pri motion dec
-007
Sec motion dec
-013
Notes
Nature of this double is uncertain.
 
 
17503-2620 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 185823 17503-2620 HJ 4986 AB 1834 1999 9 225 10.7 8.16 11.05 2.89 <===
Show 185823 17503-2620 HJ 4986 AC 1834 1999 3 4 23.2 8.17 12.90 4.73
Show 185823 17503-2620 HJ 4986 AD 1834 1999 5 60 27.2 8.16 12.12 3.96
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
185823
Tycho2
6836-00023-1
HD
162082
last precise pa
225.1
last precise sep
10.691