18469-3959 UC 3668

 
 
18h 46m 56.89s -39 58' 54.4" P.A. 22.00 sep 40.3 mag 15.40,16.20
 
 
Coord 2000
18469-3959
Discov num
UC 3668
Comp
Coord arcsec 2000
18 46 56.89 -39 58 54.4
Date first
1998
Date last
2015
Obs
5
Pa first
24
Pa last
22
P.A. Now (θ)
22°
Sep first
40.8
Sep last
40.3
Sep. Now (ρ)
40.3"
Mag pri
15.40
Mag sec
16.20
delta mag (ΔM)
0.8
Spectral class
Pri motion ra
-088
Sec motion ra
-090
Pri motion dec
-026
Sec motion dec
-013
Notes
V (Proper motion indicates physical)
rPM=0.143 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
21.8
Precise sep
40.341
Constellation
Corona Austrina
Tycho2
7919-00931-1
Gaia DR2
6728642073985104000
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18469-3959 UC 3668 1999 2 24 40.9 15.40 16.20 V 184656.89-395854.4
18469-3959 UC 3668 2000 2 24 40.8 15.40 16.20 V 184656.89-395854.4
18469-3959 UC 3668 2010 4 20 39.2 15.40 16.20 V 184656.89-395854.4
18469-3959 UC 3668 2015 5 22 40.3 15.40 16.20 V 184656.89-395854.4

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