21437-6449 UC 4539

 
 
21h 43m 42.57s -64 48' 58.7" P.A. 284.00 sep 21.3 mag 16.00,16.50
 
 
Coord 2000
21437-6449
Discov num
UC 4539
Comp
Coord arcsec 2000
21 43 42.57 -64 48 58.7
Date first
1998
Date last
2016
Obs
6
Pa first
284
Pa last
284
P.A. Now (θ)
284°
Sep first
21.4
Sep last
21.3
Sep. Now (ρ)
21.3"
Mag pri
16.00
Mag sec
16.50
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-030
Sec motion ra
-032
Pri motion dec
-057
Sec motion dec
-055
Notes
V (Proper motion indicates physical)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
284.1
Precise sep
21.266
Constellation
Indus
Gaia DR2
6402103991159209984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21437-6449 UC 4539 2000 2 284 21.3 16.00 16.50 V 214342.57-644858.7
21437-6449 UC 4539 2010 4 284 21.3 16.00 16.50 V 214342.57-644858.7
21437-6449 UC 4539 2015 4 284 21.3 16.00 16.50 V 214342.57-644858.7

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