18271-2930 B  2447

 
 
18H 27M 05.29S -29 30' 29.7" P.A. 222 SEP 8.9 MAG 8.09,14.00 SP B9V DIST. 203.25 PC (663 L.Y.)
 
 
Coord 2000
18271-2930
Discov num
B  2447
Comp
Coord arcsec 2000
18 27 05.29 -29 30 29.7
Date first
1930
Date last
1999
Obs
4
Pa first
225
Pa last
222
P.A. Now (θ)
222°
Sep first
7.0
Sep last
8.9
Sep. Now (ρ)
8.9"
Mag pri
8.09
Mag sec
14.00
delta mag (ΔM)
5.91
Spectral class
B9V (blue-white)
Pri motion ra
+013
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Sagittarius
SAO
186825
HIP
90431
Tycho2
6869-00660-1
HD
169678
CD
CD-2914952
CP
CP-29 5557
Distance
203.25
Distance ly
663
last precise pa
221.5
last precise sep
8.942