20338-4033 JC   18AC

 
 
20h 33m 46.84s -40 33' 25.9" P.A. 145 sep 108 mag 7.78,10.94 Sp A1V dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000
20338-4033
Discov num
JC   18
Comp
AC
Coord arcsec 2000
20 33 46.84 -40 33 25.9
Date first
1879
Date last
2015
Obs
5
Pa first
144
Pa last
145
P.A. Now (θ)
145°
Sep first
106.1
Sep last
108.0
Sep. Now (ρ)
108"
Mag pri
7.78
Mag sec
10.94
delta mag (ΔM)
3.16
Spectral class
A1V (white)
Pri motion ra
+019
Sec motion ra
+026
Pri motion dec
-008
Sec motion dec
-024
Notes
rPM=0.494
Nature of this double is uncertain.
 
 
20338-4033 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20338-4033 JC 18 AB 1846 2016 32 224 4.6 7.78 8.54 0.76
Show 20338-4033 JC 18 AC 1879 2015 5 145 108.0 7.78 10.94 3.16 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
144.5
Precise sep
108.046
Constellation
Microscopium
SAO
230275
HIP
101465
Tycho2
7954-01336-1
Gaia DR2
15244981120
HD
195599
CD
CD-4013926
CP
CP-40 9315
Distance
153.37
Distance ly
500.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20338-4033 JC 18 AC 1998 3 145 107.7 7.78 10.94 D 203346.84-403325.9
20338-4033 JC 18 AC 2015 5 145 108.0 7.78 10.94 A1V 203346.84-403325.9

If you need more information about this double, apply for a data request form to the WDS.