18453-2039 EVS  37AF

 
 
18H 45M 17.50S -20 38' 50.5" P.A. 330 SEP 18 MAG 7.52,16.92 SP F8IB/II DIST. 628.93 PC (2051.57 L.Y.)
 
 
Coord 2000
18453-2039
Discov num
EVS  37
Comp
AF
Coord arcsec 2000
18 45 17.50 -20 38 50.5
Date first
1998
Date last
2011
Obs
2
Pa first
330
Pa last
330
P.A. Now (θ)
330°
Sep first
18.0
Sep last
18.0
Sep. Now (ρ)
18"
Mag pri
7.52
Mag sec
16.92
delta mag (ΔM)
9.4
Spectral class
F8Ib/II (yellow-white)
Pri motion ra
+001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N U (See Notes, Proper motion indicates non-physical)
This double is not physical.
 
 
18453-2039 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show V350 Sgr 187233 18453-2039 EVS 37 AB 2011 2011 1 128 3.1 7.52 17.91 10.39
Show 187233 18453-2039 EVS 37 AC 2011 2011 1 66 10.6 7.52 16.00 8.48
Show 187233 18453-2039 EVS 37 AD 2011 2011 1 156 10.6 7.52 16.09 8.57
Show 187233 18453-2039 EVS 37 AE 2011 2011 1 270 11.4 7.52 18.73 11.21
Show 187233 18453-2039 EVS 37 AF 1998 2011 2 330 18.0 7.52 16.92 9.40 <===
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name
V350 Sgr
Constellation
Sagittarius
SAO
187233
HIP
92013
Tycho2
6292-00030-1
HD
173297
BD
BD-20 5253
Distance
628.93
Distance ly
2051.57
last precise pa
330
last precise sep
18