18424-3904 UC 3648

 
 
18h 42m 25.22s -39 04' 24.2" P.A. 270.00 sep 23.6 mag 13.70,16.50
 
 
Coord 2000
18424-3904
Discov num
UC 3648
Comp
Coord arcsec 2000
18 42 25.22 -39 04 24.2
Date first
1998
Date last
2015
Obs
4
Pa first
270
Pa last
270
P.A. Now (θ)
270°
Sep first
24.0
Sep last
23.6
Sep. Now (ρ)
23.6"
Mag pri
13.70
Mag sec
16.50
delta mag (ΔM)
2.8
Spectral class
Pri motion ra
-011
Sec motion ra
-028
Pri motion dec
-057
Sec motion dec
-045
Notes
V (Proper motion indicates physical)
rPM=0.358
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
270
Precise sep
23.609
Constellation
Hydra
Gaia DR2
6729658984804742144
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18424-3904 UC 3648 1998 2 270 23.5 13.70 16.50 V 184225.22-390424.2
18424-3904 UC 3648 2000 2 270 24.0 13.70 16.50 V 184225.22-390424.2
18424-3904 UC 3648 2010 3 275 24.4 13.70 16.50 V 184225.22-390424.2
18424-3904 UC 3648 2015 4 270 23.6 13.70 16.50 V 184225.22-390424.2

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