21144-4025 UC 4416

 
 
21h 14m 24.32s -40 24' 59.5" P.A. 140.00 sep 12.5 mag 14.30,16.50
 
 
Coord 2000
21144-4025
Discov num
UC 4416
Comp
Coord arcsec 2000
21 14 24.32 -40 24 59.5
Date first
1998
Date last
2015
Obs
6
Pa first
140
Pa last
140
P.A. Now (θ)
140°
Sep first
12.5
Sep last
12.5
Sep. Now (ρ)
12.5"
Mag pri
14.30
Mag sec
16.50
delta mag (ΔM)
2.2
Spectral class
Pri motion ra
+029
Sec motion ra
+032
Pri motion dec
-063
Sec motion dec
-074
Notes
V (Proper motion indicates physical)
rPM=0.141 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
140.1
Precise sep
12.542
Constellation
Hydra
Gaia DR2
6581618883804347392
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21144-4025 UC 4416 1999 2 140 12.6 14.30 16.50 V 211424.32-402459.5
21144-4025 UC 4416 2000 2 141 12.7 14.30 16.50 V 211424.32-402459.5
21144-4025 UC 4416 2010 4 140 12.3 14.30 16.50 V 211424.32-402459.5
21144-4025 UC 4416 2015 5 140 12.5 14.30 16.50 V 211424.32-402459.5

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