10212-2452 LDS3981

 
 
10h 21m 08.26s -24 52' 16.9" P.A. 40 sep 31.4 mag 16.20,19.00
 
 
Coord 2000
10212-2452
Discov num
LDS3981
Comp
Coord arcsec 2000
10 21 08.26 -24 52 16.9
Date first
1960
Date last
2010
Obs
4
Pa first
39
Pa last
40
P.A. Now (θ)
40°
Sep first
31.0
Sep last
31.4
Sep. Now (ρ)
31.4"
Mag pri
16.20
Mag sec
19.00
delta mag (ΔM)
2.8
Spectral class
Pri motion ra
-150
Sec motion ra
-152
Pri motion dec
+108
Sec motion dec
+108
Notes
rPM=0.011 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
39.6
Precise sep
31.4
Constellation
Hydra
last precise pa
39.6
last precise sep
31.4
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10212-2452 LDS3981 1960 1 39 31.0 16.20 19.00 102130.00-245200.0
10212-2452 LDS3981 1999 2 40 31.4 16.20 19.00 D 102108.26-245216.9
10212-2452 LDS3981 2010 4 40 31.4 16.20 19.00 102108.26-245216.9

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