18439+1601 OSO 103AD

 
 
18h 43m 52.50s +16 00' 34.2" P.A. 25 sep 14.1 mag 12.61,17.80
 
 
Coord 2000
18439+1601
Discov num
OSO 103
Comp
AD
Coord arcsec 2000
18 43 52.50 +16 00 34.2
Date first
1995
Date last
1999
Obs
4
Pa first
26
Pa last
25
P.A. Now (θ)
25°
Sep first
12.7
Sep last
14.1
Sep. Now (ρ)
14.1"
Mag pri
12.61
Mag sec
17.80
delta mag (ΔM)
5.19
Spectral class
Pri motion ra
-160
Sec motion ra
Pri motion dec
-276
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18439+1601 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18439+1601 OSO 103 AB 1995 1996 3 121 5.0 12.61 18.30 5.69
Show 18439+1601 OSO 103 AC 1995 1999 4 44 8.9 12.61 17.00 4.39
Show 18439+1601 OSO 103 AD 1995 1999 4 25 14.1 12.61 17.80 5.19 <===
Show 18439+1601 OSO 103 AE 1995 2001 5 150 16.4 12.61 15.00 2.39
Show 18439+1601 OSO 103 AF 1995 2001 5 233 17.4 12.61 13.30 0.69
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
24.6
Precise sep
14.06
Constellation
Hercules
last precise pa
24.6
last precise sep
14.06
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18439+1601 OSO 103 AD 1999 4 25 14.1 12.61 17.80 N D 184352.50+160034.2

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