18181-1215 SS    7AN

 
 
18h 18m 05.90s -12 14' 33.3" P.A. 280 sep 71.2 mag 7.45,15.10 Sp O8Ia
 
 
Coord 2000
18181-1215
Discov num
SS    7
Comp
AN
Coord arcsec 2000
18 18 05.90 -12 14 33.3
Date first
1953
Date last
2015
Obs
5
Pa first
279
Pa last
280
P.A. Now (θ)
280°
Sep first
70.2
Sep last
71.2
Sep. Now (ρ)
71.2"
Mag pri
7.45
Mag sec
15.10
delta mag (ΔM)
7.65
Spectral class
O8Ia (blue)
Pri motion ra
-000
Sec motion ra
+003
Pri motion dec
-003
Sec motion dec
-024
Notes
N (See Notes)
This double is not physical.
 
 
18181-1215 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18181-1215 DBK 1 Aa,Ab 2008 2016 15 273 0.0 7.45 Y
Show MY Ser 18181-1215 TRN 27 AB 2001 2012 3 40 4.8 7.45 16.00 8.55
Show 18181-1215 SS 7 AC 1953 2015 4 191 14.3 7.45 14.30 6.85
Show 18181-1215 SS 7 AD 1906 2015 8 260 18.1 7.45 12.90 5.45
Show 18181-1215 SS 7 AE 1906 2015 7 217 18.0 7.45 13.00 5.55
Show 18181-1215 SS 7 AF 1906 2015 11 16 30.2 7.45 10.80 3.35
Show 18181-1215 SS 7 AG 1953 2015 5 9 39.5 7.45 15.50 8.05
Show 18181-1215 SS 7 AH 1907 2017 8 269 40.8 7.45 9.80 2.35
Show 18181-1215 SS 7 AI 1953 2015 4 299 45.6 7.45 13.70 6.25
Show 18181-1215 SS 7 AJ 1906 2015 5 258 45.2 7.45 11.42 3.97
Show 18181-1215 SS 7 AK 1907 2000 4 262 48.6 7.45 10.51 3.06
Show 18181-1215 SS 7 AL 1953 2015 5 348 51.8 7.45 14.50 7.05
Show 18181-1215 SS 7 AM 1953 2015 5 255 64.3 7.45 15.30 7.85
Show 18181-1215 SS 7 AN 1953 2015 5 280 71.2 7.45 15.10 7.65 <===
Show 18181-1215 SS 7 AO 1953 2015 5 305 72.0 7.45 15.90 8.45
Show 18181-1215 SS 7 AP 1907 2015 7 286 72.6 7.45 10.40 2.95
Show 18181-1215 SS 7 AQ 1907 2015 6 291 84.9 7.45 11.70 4.25
Show 18181-1215 BRT2749 KJ 1906 2000 5 121 4.4 10.51 11.42 0.91
18-fold system
17 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
SAO
33869
Tycho2
3976-00101-1
last precise pa
279.6
last precise sep
71.205
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18181-1215 SS 7 AN 2000 3 280 71.3 7.45 15.10 O8Ia N 181805.90-121433.3
18181-1215 SS 7 AN 2015 5 280 71.2 7.45 15.10 O8Ia N 181805.90-121433.3

If you need more information about this double, apply for a data request form to the WDS.