18142-2730 B   384

 
 
18h 14m 10.83s -27 30' 09.9" P.A. 338 sep 6.6 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
2015
Obs
4
Pa first
331
Pa last
338
P.A. Now (θ)
338°
Sep first
4.7
Sep last
6.6
Sep. Now (ρ)
6.6"
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
337.9
Precise sep
6.567
Constellation
Sagittarius
SAO
186505
HIP
89366
Tycho2
6851-06510-1
Gaia DR2
4052423419042390400
HD
166968
CD
CD-2712588
CP
CP-27 6281
Distance
261.1
Distance ly
851.71
 
 
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
18142-2730 B 384 2015 4 338 6.6 7.15 13.70 B9III 181410.83-273009.9

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WDS 18142-2730 B 384 : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
B van den Bos, W.H.
B van den Bos, W.H. (in Voute et al.)

 
 
WDS 18142-2730 B 384 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18142-2730 B 384 : MEASURES
 
 
No records found.

 
 
WDS 18142-2730 B 384 : Virtual Eyepiece
 
 

18142-2730  B   384 A 18142-2730  B   384 sep 6.6 P.A. 338 mag 7.15,13.70 Sp B9III virtual eyepiece
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Radius:
 
 
WDS 18142-2730 B 384 : Aladin DSS image @ 18h 14m 10.83s -27 30' 09.9"