18490-0828 HDS2666Aa,Ab

 
 
18h 48m 59.03s -08 27' 31.2" P.A. 258 sep 0.2 mag 8.08,9.59 Sp B2V dist. 617.28 pc (2013.57 l.y.)
 
 
Coord 2000
18490-0828
Discov num
HDS2666
Comp
Aa,Ab
Coord arcsec 2000
18 48 59.03 -08 27 31.2
Date first
1991
Date last
2013
Obs
2
Pa first
265
Pa last
258
P.A. Now (θ)
258°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.08
Mag sec
9.59
delta mag (ΔM)
1.51
Spectral class
B2V (blue-white)
Pri motion ra
-001
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
18490-0828 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 18490-0828 HDS2666 Aa,Ab 1991 2013 2 258 0.2 8.08 9.59 1.51 <===
Show 18490-0828 STF2388 AB 1892 2000 8 344 53.8 7.81 10.94 3.13
Show 18490-0828 ABH 105 AD 1896 2002 5 156 43.4 7.81 12.62 4.81
Show 18490-0828 ABH 105 AE 1988 2002 4 276 71.9 7.81 12.93 5.12
Show 18490-0828 STF2388 BC 1892 2011 9 18 21.4 10.94 11.24 0.30
Sextuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
257.7
Precise sep
0.176
Constellation
Scutum
HIP
92322
Tycho2
5693-02550-1
HD
174069
BD
BD-08 4714
Distance
617.28
Distance ly
2013.57
last precise pa
257.7
last precise sep
0.176
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18490-0828 HDS2666 Aa,Ab 1991 1 265 0.2 8.08 9.59 B2V 184859.03-082731.2
18490-0828 HDS2666 Aa,Ab 2013 2 258 0.2 8.08 9.59 B2V N 184859.03-082731.2

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