18496-4005 UC 3688

 
 
18h 49m 38.65s -40 04' 52.9" P.A. 65.00 sep 22.7 mag 15.80,16.40
 
 
Coord 2000
18496-4005
Discov num
UC 3688
Comp
Coord arcsec 2000
18 49 38.65 -40 04 52.9
Date first
1998
Date last
2015
Obs
4
Pa first
64
Pa last
65
P.A. Now (θ)
65°
Sep first
23.2
Sep last
22.7
Sep. Now (ρ)
22.7"
Mag pri
15.80
Mag sec
16.40
delta mag (ΔM)
0.6
Spectral class
Pri motion ra
-027
Sec motion ra
-016
Pri motion dec
-055
Sec motion dec
-057
Notes
V (Proper motion indicates physical)
rPM=0.182 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
65.2
Precise sep
22.726
Constellation
Corona Austrina
Tycho2
7919-01386-1
Gaia DR2
6728582562917982080
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18496-4005 UC 3688 1999 2 64 23.2 15.80 16.40 V 184938.65-400452.9
18496-4005 UC 3688 2000 2 64 23.2 15.80 16.40 V 184938.65-400452.9
18496-4005 UC 3688 2010 3 66 21.2 15.80 16.40 V 184938.65-400452.9
18496-4005 UC 3688 2015 4 65 22.7 15.80 16.40 V 184938.65-400452.9

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