18420-4050 UC 3643

 
 
18H 41M 57.57S -40 50' 25.1" P.A. 274 SEP 23.2 MAG 15.90,16.40
 
 
Coord 2000
18420-4050
Discov num
UC 3643
Comp
Coord arcsec 2000
18 41 57.57 -40 50 25.1
Date first
1998
Date last
2010
Obs
3
Pa first
276
Pa last
274
P.A. Now (θ)
274°
Sep first
22.6
Sep last
23.2
Sep. Now (ρ)
23.2"
Mag pri
15.90
Mag sec
16.40
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-041
Sec motion ra
-049
Pri motion dec
-034
Sec motion dec
-013
Notes
V (Proper motion indicates physical)
rPM=0.422
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
last precise pa
273.7
last precise sep
23.21