16366+6948 BU  953AB,C

 
 
16h 36m 39.05s +69 47' 34.7" P.A. 149 sep 74.9 mag 8.04,10.88 Sp F2V dist. 106.95 pc (348.87 l.y.)
 
 
Coord 2000
16366+6948
Discov num
BU  953
Comp
AB,C
Coord arcsec 2000
16 36 39.05 +69 47 34.7
Date first
1892
Date last
2004
Obs
8
Pa first
153
Pa last
149
P.A. Now (θ)
149°
Sep first
71.8
Sep last
74.9
Sep. Now (ρ)
74.9"
Mag pri
8.04
Mag sec
10.88
delta mag (ΔM)
2.84
Spectral class
F2V (yellow-white)
Pri motion ra
-033
Sec motion ra
+007
Pri motion dec
+036
Sec motion dec
+026
Notes
N U (See Notes, Proper motion indicates non-physical)
rPM=0.844
This double is not physical.
 
 
16366+6948 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17167 16366+6948 BU 953 AB 1879 2008 65 57 0.2 8.56 9.27 0.71 Y
Show 17167 16366+6948 BU 953 AB,C 1892 2004 8 149 74.9 8.04 10.88 2.84 <===
Show 17167 16366+6948 BU 953 AB,D 1842 2015 14 46 148.0 8.04 8.03 0.01
Show 17167 16366+6948 ABH 86 AB,E 1898 2004 6 340 78.2 8.04 11.65 3.61
Show 17169 16366+6948 BAZ 7 Da,Db 1956 1992 10 283 0.4 8.14 10.85 2.71
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.1
Precise sep
74.87
Constellation
Draco
SAO
17167
HIP
81332
Tycho2
4420-00447-1
HD
150631
BD
BD+70 887
Distance
106.95
Distance ly
348.87
last precise pa
149.1
last precise sep
74.87
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16366+6948 BU 953 AB,C 1999 7 149 74.8 8.04 10.88 F2V N D 163639.05+694734.7
16366+6948 BU 953 AB,C 2004 8 149 74.7 8.04 10.88 F2V NUD 163639.05+694734.7

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