11554-7150 HDS1680Aa,Ab

 
 
11H 55M 21.35S -71 49' 37.9" P.A. 210 SEP 0.2 MAG 8.90,10.44 SP A1V DIST. 427.35 PC (1394.02 L.Y.)
 
 
Coord 2000
11554-7150
Discov num
HDS1680
Comp
Aa,Ab
Coord arcsec 2000
11 55 21.35 -71 49 37.9
Date first
1991
Date last
1991
Obs
1
Pa first
210
Pa last
210
P.A. Now (θ)
210°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
8.90
Mag sec
10.44
delta mag (ΔM)
1.54
Spectral class
A1V (white)
Pri motion ra
-021
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
11554-7150 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 256883 11554-7150 HDS1680 Aa,Ab 1991 1991 1 210 0.2 8.90 10.44 1.54 <===
Show 256883 11554-7150 B 2733 AB 1929 2000 3 83 33.3 8.64 13.60 4.96
Show 11554-7150 B 2733 BC 1985 1998 2 322 2.8 13.60 14.00 0.40
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Musca
SAO
256883
HIP
58127
Tycho2
9234-02477-1
HD
103575
CP
CP-71 1295
Distance
427.35
Distance ly
1394.02
last precise pa
210
last precise sep
0.178