18123-5330 UC 3531

 
 
18h 12m 20.25s -53 30' 08.0" P.A. 89.00 sep 69.7 mag 15.80,15.90
 
 
Coord 2000
18123-5330
Discov num
UC 3531
Comp
Coord arcsec 2000
18 12 20.25 -53 30 08.0
Date first
1998
Date last
2015
Obs
4
Pa first
92
Pa last
89
P.A. Now (θ)
89°
Sep first
69.4
Sep last
69.7
Sep. Now (ρ)
69.7"
Mag pri
15.80
Mag sec
15.90
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-021
Sec motion ra
-062
Pri motion dec
-073
Sec motion dec
-052
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.569
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
89.1
Precise sep
69.705
Constellation
Hydra
Gaia DR2
6653424586605623168
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18123-5330 UC 3531 1999 2 89 69.8 15.80 15.90 V 181220.25-533008.0
18123-5330 UC 3531 2000 2 89 69.7 15.80 15.90 V 181220.25-533008.0
18123-5330 UC 3531 2010 3 90 70.6 15.80 15.90 V R 181220.25-533008.0
18123-5330 UC 3531 2015 4 89 69.7 15.80 15.90 V R 181220.25-533008.0

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