18142-2730 B   384

 
 
18h 14m 10.83s -27 30' 09.9" P.A. 337 sep 6.2 mag 7.15,13.70 Sp B9III dist. 261.1 pc (851.71 l.y.)
 
 
Coord 2000
18142-2730
Discov num
B   384
Comp
Coord arcsec 2000
18 14 10.83 -27 30 09.9
Date first
1927
Date last
2000
Obs
3
Pa first
331
Pa last
337
P.A. Now (θ)
337°
Sep first
4.7
Sep last
6.2
Sep. Now (ρ)
6.2"
Mag pri
7.15
Mag sec
13.70
delta mag (ΔM)
6.55
Spectral class
B9III (blue-white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-028
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
337
Precise sep
6.16
Constellation
Sagittarius
SAO
186505
HIP
89366
Tycho2
6851-06510-1
HD
166968
CD
CD-2712588
CP
CP-27 6281
Distance
261.1
Distance ly
851.71
last precise pa
337
last precise sep
6.16
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18142-2730 B 384 1927 1 331 4.7 7.20 13.70 B9III 181410.83-273009.9
18142-2730 B 384 2000 3 337 6.2 7.20 13.70 B9III 181410.83-273009.9

If you need more information about this double, apply for a data request form to the WDS.