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)
rPM=0.06 (< 0.3, Physical double)
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 810 1 2.5 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
 
 
Precise pa
175
Precise sep
12.6
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
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17053+5428 BU 1088 AC 1999 4 177 12.9 5.66 13.70 F7V N D 170520.12+542812.2
17053+5428 BU 1088 AC 2006 5 175 12.6 5.66 13.70 F7V N D 170520.11+542812.2

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