18598-1927 DYL  25BC

 
 
18H 59M 45.92S -19 27' 04.9" P.A. 196 SEP 4.8 MAG 12.00,15.00
 
 
Coord 2000
18598-1927
Discov num
DYL  25
Comp
BC
Coord arcsec 2000
18 59 45.92 -19 27 04.9
Date first
1984
Date last
2000
Obs
2
Pa first
192
Pa last
196
P.A. Now (θ)
196°
Sep first
5.0
Sep last
4.8
Sep. Now (ρ)
4.8"
Mag pri
12.00
Mag sec
15.00
delta mag (ΔM)
3
Spectral class
Pri motion ra
+014
Sec motion ra
Pri motion dec
-021
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18598-1927 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18598-1927 DYL 25 AB 1984 2000 4 167 7.4 12.90 12.00 0.90
Show 18598-1927 DYL 25 BC 1984 2000 2 196 4.8 12.00 15.00 3.00 <===
Show 18598-1927 DYL 25 BD 1984 2000 2 266 5.6 12.00 15.10 3.10
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
last precise pa
196
last precise sep
4.75