18553-2341 B   412

 
 
18h 55m 19.71s -23 41' 23.2" P.A. 279 sep 1.9 mag 10.45,12.20
 
 
Coord 2000
18553-2341
Discov num
B   412
Comp
Coord arcsec 2000
18 55 19.71 -23 41 23.2
Date first
1926
Date last
1930
Obs
3
Pa first
277
Pa last
279
P.A. Now (θ)
279°
Sep first
1.7
Sep last
1.9
Sep. Now (ρ)
1.9"
Mag pri
10.45
Mag sec
12.20
delta mag (ΔM)
1.75
Spectral class
Pri motion ra
+011
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
278.5
Precise sep
1.92
Constellation
Sagittarius
last precise pa
278.5
last precise sep
1.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18553-2341 B 412 1930 3 279 1.9 10.45 12.20 N 185519.71-234123.2

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WDS 18553-2341 B 412 : NOTES
 
 
discov_num notes refcode
B 412 Spectrum: B9.5III/IV.
 
 
REFERENCES
 
 
No records found.

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

 
 
WDS 18553-2341 B 412 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18553-2341 B 412 : MEASURES
 
 
No records found.

 
 
WDS 18553-2341 B 412 : Virtual Eyepiece
 
 

18553-2341  B   412 A 18553-2341  B   412 sep 1.9 P.A. 279 mag 10.45,12.20 virtual eyepiece
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Radius:
 
 
WDS 18553-2341 B 412 : Aladin DSS image @ 18h 55m 19.71s -23 41' 23.2"