16563-4040 SNA  60AC

 
 
16h 56m 15.03s -40 39' 35.8" P.A. 144 sep 1.5 mag 6.34,9.89 Sp O7V dist. 1388.89 pc (4530.56 l.y.)
 
 
Coord 2000
16563-4040
Discov num
SNA  60
Comp
AC
Coord arcsec 2000
16 56 15.03 -40 39 35.8
Date first
2011
Date last
2015
Obs
4
Pa first
143
Pa last
144
P.A. Now (θ)
144°
Sep first
1.5
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
6.34
Mag sec
9.89
delta mag (ΔM)
3.55
Spectral class
O7V (blue)
Pri motion ra
+002
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
N V K (See Notes, Proper motion indicates physical, K-band or other infrared magnitudes)
This double is physical.
 
 
16563-4040 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 227464 16563-4040 SNA 60 Aa,Ab 2012 2012 1 285 0.0 6.80 7.60 0.80
Show 227464 16563-4040 HDS2394 AB 1991 2015 9 308 0.3 7.02 8.29 1.27
Show 227464 16563-4040 SNA 60 AC 2011 2015 4 144 1.5 6.34 9.89 3.55 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Scorpius
SAO
227464
HIP
82876
Tycho2
7872-00879-1
HD
152623
CD
CD-4010961
CP
CP-40 7630
Distance
1388.89
Distance ly
4530.56
last precise pa
144.1
last precise sep
1.462
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16563-4040 SNA 60 AC 2011 1 143 1.5 6.34 9.89 O7V NV K 165615.03-403935.8
16563-4040 SNA 60 AC 2014 2 144 1.5 6.34 9.89 O7V NV K 165615.03-403935.8
16563-4040 SNA 60 AC 2015 4 144 1.5 6.34 9.89 O7V NV K 165615.03-403935.8

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