19393-2539 CVN 105AD

 
 
19H 39M 18.66S -25 39' 01.3" P.A. 225 SEP 5.8 MAG 7.81,14.60 SP K2V
 
 
Coord 2000
19393-2539
Discov num
CVN 105
Comp
AD
Coord arcsec 2000
19 39 18.66 -25 39 01.3
Date first
1998
Date last
2011
Obs
2
Pa first
211
Pa last
225
P.A. Now (θ)
225°
Sep first
5.8
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
7.81
Mag sec
14.60
delta mag (ΔM)
6.79
Spectral class
K2V (yellow-orange)
Pri motion ra
+044
Sec motion ra
Pri motion dec
-123
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
19393-2539 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 188396 19393-2539 CVN 105 AB 2011 2011 1 230 3.3 7.81 19.00 11.19
Show 188396 19393-2539 CVN 105 AC 2011 2011 1 257 3.4 7.81 19.60 11.79
Show 188396 19393-2539 CVN 105 AD 1998 2011 2 225 5.8 7.81 14.60 6.79 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
188396
Tycho2
6893-01391-1
last precise pa
224.5
last precise sep
5.761