17208+8512 LDS1869

 
 
17h 20m 45.71s +85 11' 46.4" P.A. 309 sep 77.9 mag 11.05,11.47 Sp G5
 
 
Coord 2000
17208+8512
Discov num
LDS1869
Comp
Coord arcsec 2000
17 20 45.71 +85 11 46.4
Date first
1899
Date last
2010
Obs
7
Pa first
316
Pa last
309
P.A. Now (θ)
309°
Sep first
78.0
Sep last
77.9
Sep. Now (ρ)
77.9"
Mag pri
11.05
Mag sec
11.47
delta mag (ΔM)
0.42
Spectral class
G5 (yellow)
Pri motion ra
-024
Sec motion ra
-024
Pri motion dec
+085
Sec motion dec
+080
Notes
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
308.7
Precise sep
77.86
Constellation
Ursa Minor
SAO
2885
Tycho2
4651-01465-1
last precise pa
308.7
last precise sep
77.86
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17208+8512 LDS1869 1999 5 309 78.0 11.05 11.68 G5 D 172045.71+851146.4
17208+8512 LDS1869 2004 6 309 77.9 11.05 11.68 G5 D 172045.71+851146.4
17208+8512 LDS1869 2010 7 309 77.9 11.05 11.47 G5 172045.71+851146.4

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