20353-4017 SEE 421

 
 
20h 35m 20.21s -40 17' 04.8" P.A. 7 sep 14.7 mag 8.74,13.00 Sp G2V dist. 74.85 pc (244.16 l.y.)
 
 
Coord 2000
20353-4017
Discov num
SEE 421
Comp
Coord arcsec 2000
20 35 20.21 -40 17 04.8
Date first
1896
Date last
2015
Obs
6
Pa first
277
Pa last
7
P.A. Now (θ)
Sep first
8.6
Sep last
14.7
Sep. Now (ρ)
14.7"
Mag pri
8.74
Mag sec
13.00
delta mag (ΔM)
4.26
Spectral class
G2V (yellow)
Pri motion ra
-003
Sec motion ra
+009
Pri motion dec
-058
Sec motion dec
+025
Notes
U (Proper motion indicates non-physical)
rPM=1.444
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
6.6
Precise sep
14.73
Constellation
Microscopium
SAO
230285
HIP
101591
Tycho2
7954-01180-1
Gaia DR2
61540868608
HD
195864
CD
CD-4013939
CP
CP-40 9321
Distance
74.85
Distance ly
244.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20353-4017 SEE 421 1904 2 6 8.4 8.50 13.00 G2V 203520.21-401704.8
20353-4017 SEE 421 1998 4 7 13.7 8.50 13.00 G2V U 203520.21-401704.8
20353-4017 SEE 421 2000 4 7 13.8 8.50 13.00 G2V U 203520.21-401704.8
20353-4017 SEE 421 2010 6 7 13.8 8.74 13.00 G2V U 203520.21-401704.8
20353-4017 SEE 421 2015 6 7 14.7 8.74 13.00 G2V U 203520.21-401704.8

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