20573-4136 UC 4343

 
 
20h 57m 20.72s -41 35' 59.3" P.A. 265.00 sep 17.3 mag 12.00,12.90
 
 
Coord 2000
20573-4136
Discov num
UC 4343
Comp
Coord arcsec 2000
20 57 20.72 -41 35 59.3
Date first
1901
Date last
2016
Obs
7
Pa first
269
Pa last
265
P.A. Now (θ)
265°
Sep first
17.8
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
12.00
Mag sec
12.90
delta mag (ΔM)
0.9
Spectral class
Pri motion ra
+043
Sec motion ra
+042
Pri motion dec
-047
Sec motion dec
-046
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.022 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.5
Precise sep
17.318
Constellation
Hydra
Tycho2
7972-00951-1
Gaia DR2
6677399403283751808
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20573-4136 UC 4343 2000 2 264 17.3 12.00 12.90 V 205720.72-413559.3
20573-4136 UC 4343 2010 4 265 17.3 12.00 12.90 V R 205720.72-413559.3
20573-4136 UC 4343 2015 5 265 17.3 12.00 12.90 V R 205720.72-413559.3

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