20338-4033 JC   18AB

 
 
20h 33m 46.84s -40 33' 25.9" P.A. 224 sep 4.6 mag 7.78,8.54 Sp A1V dist. 153.37 pc (500.29 l.y.)
 
 
Coord 2000
20338-4033
Discov num
JC   18
Comp
AB
Coord arcsec 2000
20 33 46.84 -40 33 25.9
Date first
1846
Date last
2016
Obs
32
Pa first
226
Pa last
224
P.A. Now (θ)
224°
Sep first
4.3
Sep last
4.6
Sep. Now (ρ)
4.6"
Mag pri
7.78
Mag sec
8.54
delta mag (ΔM)
0.76
Spectral class
A1V (white)
Pri motion ra
+019
Sec motion ra
+023
Pri motion dec
-008
Sec motion dec
-009
Notes
rPM=0.167 (< 0.3, Physical double)
This double is physical.
 
 
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
224.3
Precise sep
4.61
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 AB 1998 28 223 4.4 7.78 8.54 A1V D 203346.84-403325.9
20338-4033 JC 18 AB 2016 30 224 4.6 7.78 8.54 A1V 203346.84-403325.9

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