21308-2055 UC 4481

 
 
21h 30m 48.14s -20 54' 53.0" P.A. 306.00 sep 15.7 mag 13.20,13.70
 
 
Coord 2000
21308-2055
Discov num
UC 4481
Comp
Coord arcsec 2000
21 30 48.14 -20 54 53.0
Date first
1998
Date last
2016
Obs
7
Pa first
306
Pa last
306
P.A. Now (θ)
306°
Sep first
15.7
Sep last
15.7
Sep. Now (ρ)
15.7"
Mag pri
13.20
Mag sec
13.70
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+017
Sec motion ra
+014
Pri motion dec
+051
Sec motion dec
+056
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.101 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
306.4
Precise sep
15.689
Constellation
Capricornus
Gaia DR2
6830021680325610496
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21308-2055 UC 4481 1999 2 306 15.7 13.20 13.70 V 213048.14-205453.0
21308-2055 UC 4481 2000 2 307 15.7 13.20 13.70 V 213048.14-205453.0
21308-2055 UC 4481 2010 4 306 15.6 13.20 13.70 V R 213048.14-205453.0
21308-2055 UC 4481 2015 5 306 15.8 13.20 13.70 V R 213048.14-205453.0

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