21432-1553 UC 4537

 
 
21h 43m 13.60s -15 52' 35.4" P.A. 116.00 sep 34.7 mag 11.70,12.65
 
 
Coord 2000
21432-1553
Discov num
UC 4537
Comp
Coord arcsec 2000
21 43 13.60 -15 52 35.4
Date first
1905
Date last
2015
Obs
6
Pa first
117
Pa last
116
P.A. Now (θ)
116°
Sep first
35.2
Sep last
34.7
Sep. Now (ρ)
34.7"
Mag pri
11.70
Mag sec
12.65
delta mag (ΔM)
0.95
Spectral class
Pri motion ra
+068
Sec motion ra
+068
Pri motion dec
-016
Sec motion dec
-018
Notes
V (Proper motion indicates physical)
rPM=0.028 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
116.1
Precise sep
34.701
Constellation
Hydra
Gaia DR2
6838474657000104832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21432-1553 UC 4537 1999 3 116 34.9 11.70 12.60 V 214313.60-155235.4
21432-1553 UC 4537 2000 2 116 34.9 11.70 12.60 V 214313.60-155235.4
21432-1553 UC 4537 2010 5 116 34.9 11.70 12.65 V 214313.60-155235.4
21432-1553 UC 4537 2015 6 116 34.7 11.70 12.65 V 214313.60-155235.4

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