20318-3558 RSS 551

 
 
20h 31m 45.21s -35 58' 10.4" P.A. 175 sep 15.4 mag 9.78,13.00 Sp G0V: dist. 116.96 pc (381.52 l.y.)
 
 
Coord 2000
20318-3558
Discov num
RSS 551
Comp
Coord arcsec 2000
20 31 45.21 -35 58 10.4
Date first
1975
Date last
2015
Obs
5
Pa first
174
Pa last
175
P.A. Now (θ)
175°
Sep first
14.7
Sep last
15.4
Sep. Now (ρ)
15.4"
Mag pri
9.78
Mag sec
13.00
delta mag (ΔM)
3.22
Spectral class
G0V: (yellow)
Pri motion ra
+015
Sec motion ra
Pri motion dec
+007
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
175.3
Precise sep
15.439
Constellation
Microscopium
HIP
101281
Tycho2
7467-00380-1
Gaia DR2
47402477312
HD
195303
CD
CD-3614204
CP
CP-36 9194
Distance
116.96
Distance ly
381.52
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20318-3558 RSS 551 1998 2 175 15.1 9.78 13.00 G0V: D 203145.21-355810.4
20318-3558 RSS 551 2010 4 175 15.0 9.78 13.00 G0V: 203145.21-355810.4
20318-3558 RSS 551 2015 5 175 15.4 9.78 13.00 G0V: 203145.21-355810.4

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