20206-7904 UC 4152

 
 
20h 20m 35.83s -79 04' 16.6" P.A. 78.00 sep 64.5 mag 8.51,16.22 Sp F7V dist. 98.52 pc (321.37 l.y.)
 
 
Coord 2000
20206-7904
Discov num
UC 4152
Comp
Coord arcsec 2000
20 20 35.83 -79 04 16.6
Date first
1998
Date last
2015
Obs
4
Pa first
80
Pa last
78
P.A. Now (θ)
78°
Sep first
64.0
Sep last
64.5
Sep. Now (ρ)
64.5"
Mag pri
8.51
Mag sec
16.22
delta mag (ΔM)
7.71
Spectral class
F7V (yellow-white)
Pri motion ra
+000
Sec motion ra
-010
Pri motion dec
-073
Sec motion dec
-076
Notes
V (Proper motion indicates physical)
rPM=0.136 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78.2
Precise sep
64.516
Constellation
Hydra
SAO
257791
HIP
100303
Tycho2
9468-00963-1
Gaia DR2
6361802625096480640
HD
191631
CP
CP-79 1072
Distance
98.52
Distance ly
321.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20206-7904 UC 4152 2000 2 79 64.3 9.10 16.20 V 202035.83-790416.6
20206-7904 UC 4152 2010 3 79 64.5 8.51 16.22 F7V V 202035.83-790416.6
20206-7904 UC 4152 2015 4 78 64.5 8.51 16.22 F7V V 202035.83-790416.6

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