20452-3057 FAL  70AB

 
 
20h 45m 14.02s -30 57' 20.3" P.A. 76.00 sep 17.5 mag 8.75,10.53 Sp F9V dist. 65.53 pc (213.76 l.y.)
 
 
Coord 2000
20452-3057
Discov num
FAL  70
Comp
AB
Coord arcsec 2000
20 45 14.02 -30 57 20.3
Date first
1966
Date last
2015
Obs
5
Pa first
85
Pa last
76
P.A. Now (θ)
76°
Sep first
21.4
Sep last
17.5
Sep. Now (ρ)
17.5"
Mag pri
8.75
Mag sec
10.53
delta mag (ΔM)
1.78
Spectral class
F9V (yellow-white)
Pri motion ra
+081
Sec motion ra
+003
Pri motion dec
-070
Sec motion dec
-001
Notes
N (See Notes)
rPM=0.973
This double is not physical.
 
 
20452-3057 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 212405 20 45 14 -30 57 20 FAL 70 AB 2015 5 76 17.5 8.75 10.53 1.78 <===
Show 212405 20 45 14 -30 57 20 TOK 340 AC 1999 7 235 539.4 8.75 10.48 1.73
Show 20 44 39 -31 02 26 JSP 817 CD 2016 4 75 2.2 10.48 13.20 2.72
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
75.8
Precise sep
17.492
Constellation
Microscopium
SAO
212405
HIP
102418
Tycho2
7457-01614-1
Gaia DR2
6794091774931177856
HD
197499
CD
CD-3117817
CP
CP-31 6336
Distance
65.53
Distance ly
213.76
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20452-3057 FAL 70 AB 1998 3 79 18.8 8.62 11.32 F9V N D 204514.02-305720.3
20452-3057 FAL 70 AB 1999 4 79 18.5 8.62 11.32 F9V N D 204514.02-305720.3
20452-3057 FAL 70 AB 2015 5 76 17.5 8.75 10.53 F9V N 204514.02-305720.3

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