18185-1345 DCH  19

 
 
18H 18M 32.72S -13 45' 11.8" P.A. 231 SEP 0.7 MAG 7.07,10.62 SP B9
 
 
Coord 2000
18185-1345
Discov num
DCH  19
Comp
Coord arcsec 2000
18 18 32.72 -13 45 11.8
Date first
1998
Date last
1998
Obs
1
Pa first
231
Pa last
231
P.A. Now (θ)
231°
Sep first
0.7
Sep last
0.7
Sep. Now (ρ)
0.7"
Mag pri
7.07
Mag sec
10.62
delta mag (ΔM)
3.55
Spectral class
B9 (blue-white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
K (K-band or other infrared magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Serpens
Tycho2
5689-00966-1
last precise pa
231.1
last precise sep
0.672