21147-2309 UC 4421

 
 
21h 14m 43.59s -23 09' 01.0" P.A. 297 sep 75.7 mag 15.80,16.20
 
 
Coord 2000
21147-2309
Discov num
UC 4421
Comp
Coord arcsec 2000
21 14 43.59 -23 09 01.0
Date first
1998
Date last
2010
Obs
4
Pa first
296
Pa last
297
P.A. Now (θ)
297°
Sep first
75.7
Sep last
75.7
Sep. Now (ρ)
75.7"
Mag pri
15.80
Mag sec
16.20
delta mag (ΔM)
0.4
Spectral class
Pri motion ra
+084
Sec motion ra
+091
Pri motion dec
-059
Sec motion dec
-041
Notes
V (Proper motion indicates physical)
rPM=0.188 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.5
Precise sep
75.74
Cdsa2 id
UC 4421
Constellation
Capricornus
Ra deg
21.245441666666668
De deg
-23.150277777777777
last precise pa
296.5
last precise sep
75.74
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21147-2309 UC 4421 1999 2 296 75.6 15.80 16.20 V 211443.59-230901.0
21147-2309 UC 4421 2000 2 296 75.7 15.80 16.20 V 211443.59-230901.0
21147-2309 UC 4421 2010 4 297 75.7 15.80 16.20 V 211443.59-230901.0

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