18170-1933 B  2862

 
 
18h 16m 59.83s -19 33' 35.9" P.A. 296 sep 7.4 mag 9.16,10.70 Sp O7/8
 
 
Coord 2000
18170-1933
Discov num
B  2862
Comp
Coord arcsec 2000
18 16 59.83 -19 33 35.9
Date first
1917
Date last
2007
Obs
6
Pa first
298
Pa last
296
P.A. Now (θ)
296°
Sep first
7.2
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
9.16
Mag sec
10.70
delta mag (ΔM)
1.54
Spectral class
O7/8 (blue)
Pri motion ra
+003
Sec motion ra
Pri motion dec
-007
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
295.6
Precise sep
7.38
Constellation
Sagittarius
Tycho2
6273-00365-1
HD
167662
last precise pa
295.6
last precise sep
7.38
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18170-1933 B 2862 2007 5 296 7.4 9.16 10.70 O7/8 N D 181659.83-193335.9

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