18300-1257 HU   69

 
 
18h 30m 01.21s -12 56' 54.9" P.A. 233 sep 0.3 mag 9.60,9.70 Sp O9:V
 
 
Coord 2000
18300-1257
Discov num
HU   69
Comp
Coord arcsec 2000
18 30 01.21 -12 56 54.9
Date first
1899
Date last
1986
Obs
8
Pa first
246
Pa last
233
P.A. Now (θ)
233°
Sep first
0.3
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
9.60
Mag sec
9.70
delta mag (ΔM)
0.1
Spectral class
O9:V (blue)
Pri motion ra
+009
Sec motion ra
Pri motion dec
+000
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233
Precise sep
0.29
Constellation
Scutum
SAO
161538
Tycho2
5698-05478-1
HD
170452
last precise pa
233
last precise sep
0.29
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18300-1257 HU 69 1986 8 233 0.3 9.60 9.70 N 183001.21-125654.9

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