20434-1929 HLD  40CD

 
 
20H 43M 16.79S -19 29' 31.2" P.A. 189 SEP 4.3 MAG 10.11,11.00
 
 
Coord 2000
20434-1929
Discov num
HLD  40
Comp
CD
Coord arcsec 2000
20 43 16.79 -19 29 31.2
Date first
1881
Date last
2000
Obs
13
Pa first
187
Pa last
189
P.A. Now (θ)
189°
Sep first
4.7
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
10.11
Mag sec
11.00
delta mag (ΔM)
0.89
Spectral class
Pri motion ra
+007
Sec motion ra
-010
Pri motion dec
+015
Sec motion dec
-094
Notes
rPM=1.167
This double is not physical.
 
 
20434-1929 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20434-1929 HLD 40 AB 1881 2016 22 357 5.2 9.59 10.33 0.74
Show 20434-1929 HLD 40 AC 1881 2004 10 258 144.2 9.59 10.11 0.52
Show 20434-1929 HLD 40 AD 1991 2000 3 256 145.4 9.59 11.00 1.41
Show 20434-1929 HLD 40 CD 1881 2000 13 189 4.3 10.11 11.00 0.89 <===
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Capricornus
Tycho2
6339-00584-1
HD
197283
last precise pa
188.8
last precise sep
4.27