21300-4459 UC 4478

 
 
21h 29m 58.85s -44 59' 17.8" P.A. 264 sep 10.9 mag 12.70,14.10
 
 
Coord 2000
21300-4459
Discov num
UC 4478
Comp
Coord arcsec 2000
21 29 58.85 -44 59 17.8
Date first
1998
Date last
2010
Obs
4
Pa first
264
Pa last
264
P.A. Now (θ)
264°
Sep first
11.1
Sep last
10.9
Sep. Now (ρ)
10.9"
Mag pri
12.70
Mag sec
14.10
delta mag (ΔM)
1.4
Spectral class
Pri motion ra
+053
Sec motion ra
+053
Pri motion dec
-019
Sec motion dec
-023
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.069 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
263.8
Precise sep
10.93
Cdsa2 id
UC 4478
Constellation
Grus
Ra deg
21.499680555555557
De deg
-44.98827777777778
last precise pa
263.8
last precise sep
10.93
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21300-4459 UC 4478 1999 2 265 11.1 12.70 14.10 V 212958.85-445917.8
21300-4459 UC 4478 2000 2 265 11.1 12.70 14.10 V 212958.85-445917.8
21300-4459 UC 4478 2010 4 264 10.4 12.70 14.10 V R 212958.85-445917.8

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