21286-5051 UC 4475

 
 
21h 28m 38.42s -50 50' 33.8" P.A. 272 sep 17.3 mag 12.00,12.90
 
 
Coord 2000
21286-5051
Discov num
UC 4475
Comp
Coord arcsec 2000
21 28 38.42 -50 50 33.8
Date first
1905
Date last
2015
Obs
6
Pa first
274
Pa last
272
P.A. Now (θ)
272°
Sep first
17.1
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
12.00
Mag sec
12.90
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+059
Sec motion ra
+077
Pri motion dec
-074
Sec motion dec
-067
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.189 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
272
Precise sep
17.287
Cdsa2 id
UC 4475
Constellation
Indus
Ra deg
21.477338888888887
De deg
-50.84272222222222
last precise pa
272
last precise sep
17.287
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21286-5051 UC 4475 1999 3 272 17.1 12.00 12.90 V 212838.42-505033.8
21286-5051 UC 4475 2000 2 272 17.2 12.00 12.90 V 212838.42-505033.8
21286-5051 UC 4475 2010 5 272 17.1 12.00 12.90 V R 212838.42-505033.8
21286-5051 UC 4475 2015 6 272 17.3 12.00 12.90 V R 212838.42-505033.8

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