20171+6410 STI 961

 
 
20h 17m 11.60s +64 09' 59.6" P.A. 179 sep 6.7 mag 11.50,11.60
 
 
Coord 2000
20171+6410
Discov num
STI 961
Comp
Coord arcsec 2000
20 17 11.60 +64 09 59.6
Date first
1903
Date last
2015
Obs
9
Pa first
152
Pa last
179
P.A. Now (θ)
179°
Sep first
4.7
Sep last
6.7
Sep. Now (ρ)
6.7"
Mag pri
11.50
Mag sec
11.60
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
+018
Sec motion ra
+010
Pri motion dec
+029
Sec motion dec
-033
Notes
rPM=1.813
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
179.4
Precise sep
6.663
Constellation
Draco
Gaia DR2
71991834880
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+6410 STI 961 1903 1 152 4.7 10.41 11.00 201711.61+640956.4
20171+6410 STI 961 2010 2 178 6.6 10.41 11.00 201711.61+640956.4
20171+6410 STI 961 2015 5 179 6.7 11.50 11.60 201711.60+640959.6

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