18061-2412 SNA  81Aa,Ab

 
 
18H 06M 04.67S -24 11' 43.8" P.A. 116 MAG 7.30,10.10 SP O8V
 
 
Coord 2000
18061-2412
Discov num
SNA  81
Comp
Aa,Ab
Coord arcsec 2000
18 06 04.67 -24 11 43.8
Date first
2013
Date last
2013
Obs
1
Pa first
116
Pa last
116
P.A. Now (θ)
116°
Sep first
0.0
Sep last
0.0
Sep. Now (ρ)
0"
Mag pri
7.30
Mag sec
10.10
delta mag (ΔM)
2.8
Spectral class
O8V (blue)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
18061-2412 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 186268 18061-2412 SNA 81 Aa,Ab 2013 2013 1 116 0.0 7.30 10.10 2.80 <===
Show 186268 18061-2412 B 376 AB 1927 2013 3 97 1.9 7.20 11.20 4.00
Show 186268 18061-2412 SNA 81 AC 1998 2012 2 225 6.6 7.23 12.89 5.66
Show 186268 18061-2412 SNA 81 AD 2012 2012 1 8 7.9 7.23 13.21 5.98
Quintuple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
116.2
Precise sep
0.031
Constellation
Sagittarius
SAO
186268
Tycho2
6842-01179-1
HD
165246
last precise pa
116.2
last precise sep
0.031