17364+6820 STU  10BC

 
 
17H 36M 25.91S +68 20' 20.9" P.A. 62 SEP 301.6 MAG 9.33,11.38 SP M3.5V DIST. 4.53 PC (14.78 L.Y.)
 
 
Coord 2000
17364+6820
Discov num
STU  10
Comp
BC
Coord arcsec 2000
17 36 25.91 +68 20 20.9
Date first
1895
Date last
1999
Obs
6
Pa first
89
Pa last
62
P.A. Now (θ)
62°
Sep first
233.5
Sep last
301.6
Sep. Now (ρ)
301.6"
Mag pri
9.33
Mag sec
11.38
delta mag (ΔM)
2.05
Spectral class
M3.5V (red)
Pri motion ra
-032
Sec motion ra
-000
Pri motion dec
-127
Sec motion dec
+001
Notes
N P (See Notes, 100-year proper motion)
rPM=1.007
This double is not physical.
 
 
17364+6820 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 17570 17364+6820 CHR 62 Aa,Ab 1984 1993 2 352 0.3 9.15 Y
Show 17570 17364+6820 ENG 61 AB 1877 1999 15 210 180.4 8.09 9.33 1.24
Show 17570 17364+6820 STU 10 AC 1895 2004 7 95 177.4 8.09 11.38 3.29
Show 17568 17364+6820 STU 10 BC 1895 1999 6 62 301.6 9.33 11.38 2.05 <===
Quadruple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
62
Precise sep
301.63
Constellation
Draco
SAO
17568
HIP
86162
Tycho2
4428-01943-1
GL
Gl 687
BD
BD+68 946
Distance
4.53
Distance ly
14.78
last precise pa
62
last precise sep
301.63