18164-4028 I  1020

 
 
18H 16M 23.15S -40 28' 19.7" P.A. 273 SEP 0.5 MAG 8.20,7.97 SP B7V DIST. 515.46 PC (1681.43 L.Y.)
 
 
Coord 2000
18164-4028
Discov num
I  1020
Comp
Coord arcsec 2000
18 16 23.15 -40 28 19.7
Date first
1910
Date last
2016
Obs
15
Pa first
310
Pa last
273
P.A. Now (θ)
273°
Sep first
0.5
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
8.20
Mag sec
7.97
delta mag (ΔM)
0.23
Spectral class
B7V (blue-white)
Pri motion ra
-002
Sec motion ra
-002
Pri motion dec
-006
Sec motion dec
-006
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Corona Austrina
SAO
228864
HIP
89552
Tycho2
7904-01875-1
HD
167297
CD
CD-4012327
CP
CP-40 8515
Distance
515.46
Distance ly
1681.43
last precise pa
273
last precise sep
0.48