21554-3545 UC 4598

 
 
21h 55m 25.05s -35 45' 15.5" P.A. 12.00 sep 22.7 mag 14.10,16.20
 
 
Coord 2000
21554-3545
Discov num
UC 4598
Comp
Coord arcsec 2000
21 55 25.05 -35 45 15.5
Date first
1998
Date last
2015
Obs
5
Pa first
13
Pa last
12
P.A. Now (θ)
12°
Sep first
22.6
Sep last
22.7
Sep. Now (ρ)
22.7"
Mag pri
14.10
Mag sec
16.20
delta mag (ΔM)
2.1
Spectral class
Pri motion ra
+066
Sec motion ra
+080
Pri motion dec
+022
Sec motion dec
+021
Notes
V (Proper motion indicates physical)
rPM=0.17 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
12.2
Precise sep
22.661
Constellation
Hydra
Gaia DR2
6587826623374418560
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21554-3545 UC 4598 1999 2 12 22.6 14.10 16.20 V 215525.05-354515.5
21554-3545 UC 4598 2000 2 13 22.6 14.10 16.20 V 215525.05-354515.5
21554-3545 UC 4598 2010 3 12 22.7 14.10 16.20 V 215525.05-354515.5
21554-3545 UC 4598 2015 4 12 22.7 14.10 16.20 V 215525.05-354515.5

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