18242-1213 HU   63

 
 
18h 24m 11.76s -12 12' 50.4" P.A. 306 sep 4.1 mag 8.93,12.90 Sp O
 
 
Coord 2000
18242-1213
Discov num
HU   63
Comp
Coord arcsec 2000
18 24 11.76 -12 12 50.4
Date first
1899
Date last
2000
Obs
4
Pa first
316
Pa last
306
P.A. Now (θ)
306°
Sep first
3.0
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
8.93
Mag sec
12.90
delta mag (ΔM)
3.97
Spectral class
O (blue)
Pri motion ra
-003
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
305.5
Precise sep
4.11
Constellation
Scutum
SAO
161431
Tycho2
5698-05323-1
HD
169226
last precise pa
305.5
last precise sep
4.11
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18242-1213 HU 63 1937 3 314 3.1 8.93 12.90 O 182411.76-121250.4
18242-1213 HU 63 2000 4 306 4.1 8.93 12.90 O 182411.76-121250.4

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