17053+5428 BU 1088AC

 
 
17H 05M 20.20S +54 28' 14.3" P.A. 175 SEP 12.6 MAG 5.66,13.70 SP F7V DIST. 27.43 PC (89.48 L.Y.)
 
 
Coord 2000
17053+5428
Discov num
BU 1088
Comp
AC
Coord arcsec 2000
17 05 20.20 +54 28 14.3
Date first
1925
Date last
2006
Obs
5
Pa first
179
Pa last
175
P.A. Now (θ)
175°
Sep first
13.8
Sep last
12.6
Sep. Now (ρ)
12.6"
Mag pri
5.66
Mag sec
13.70
delta mag (ΔM)
8.04
Spectral class
F7V (yellow-white)
Pri motion ra
-068
Sec motion ra
-075
Pri motion dec
+089
Sec motion dec
+089
Notes
N V (See Notes, Proper motion indicates physical)
This double is physical.
 
 
17053+5428 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Arrakis 30239 17053+5428 STF2130 AB 1779 2016 812 0 2.6 5.66 5.69 0.03 Y
Show 30239 17053+5428 BU 1088 AC 1925 2006 5 175 12.6 5.66 13.70 8.04 <===
Show 30239 17053+5428 BU 1088 BC 1889 1958 12 186 13.6 5.69 13.70 8.01 Y
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Draco
SAO
30239
HIP
83608
Tycho2
3890-01396-1
HD
154905
HR
6369
GC
23092
GL
Wo 9584B
BD
BD+54 1857
Bayer
Mu Draconis
Bayer name
Mu Dra
Flamsteed
21 Draconis
Flamsteed name
21 Dra
Distance
27.43
Distance ly
89.48
last precise pa
175
last precise sep
12.6