18242-3423 TOK 617AD

 
 
18H 24M 10.33S -34 23' 04.6" P.A. 36 SEP 857.7 MAG 1.85,9.03 SP B9.5III DIST. 43.94 PC (143.33 L.Y.)
 
 
Coord 2000
18242-3423
Discov num
TOK 617
Comp
AD
Coord arcsec 2000
18 24 10.33 -34 23 04.6
Date first
1980
Date last
1999
Obs
4
Pa first
36
Pa last
36
P.A. Now (θ)
36°
Sep first
857.7
Sep last
857.7
Sep. Now (ρ)
857.7"
Mag pri
1.85
Mag sec
9.03
delta mag (ΔM)
7.18
Spectral class
B9.5III (blue-white)
Pri motion ra
-038
Sec motion ra
-033
Pri motion dec
-124
Sec motion dec
-130
Notes
N (See Notes)
rPM=0.058 (< 0.3, Physical double)
This double is physical.
 
 
18242-3423 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eps Sgr 210091 18242-3423 SEE 351 AB 1896 1999 4 313 38.6 1.85 14.30 12.45
Show 210091 18242-3423 GOL 2 AC 1992 1999 2 142 2.4 1.85 8.40 6.55
Show 210091 18242-3423 TOK 617 AD 1980 1999 4 36 857.7 1.85 9.03 7.18 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
210091
HIP
90185
HD
169022
HR
6879
GC
25100
CD
CD-3412784
Bayer
Epsilon Sagittarii
Bayer name
Eps Sgr
Flamsteed
20 Sagittarii
Flamsteed name
20 Sgr
Distance
43.94
Distance ly
143.33
last precise pa
35.6
last precise sep
857.686