18163-2027 SKF1039

 
 
18h 16m 15.15s -20 27' 12.1" P.A. 336 sep 3.7 mag 11.30,12.50 Sp B3
 
 
Coord 2000
18163-2027
Discov num
SKF1039
Comp
Coord arcsec 2000
18 16 15.15 -20 27 12.1
Date first
1999
Date last
2007
Obs
2
Pa first
337
Pa last
336
P.A. Now (θ)
336°
Sep first
3.7
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.30
Mag sec
12.50
delta mag (ΔM)
1.2
Spectral class
B3 (blue-white)
Pri motion ra
+004
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
335.7
Precise sep
3.68
Constellation
Sagittarius
Tycho2
6273-01124-1
HD
313109
last precise pa
335.7
last precise sep
3.68
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18163-2027 SKF1039 2007 2 336 3.7 11.30 12.50 B3 181615.15-202712.1

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