16392+5237 ES  968

 
 
16h 39m 13.75s +52 37' 39.4" P.A. 228 sep 5.8 mag 10.21,11.40 Sp K8
 
 
Coord 2000
16392+5237
Discov num
ES  968
Comp
Coord arcsec 2000
16 39 13.75 +52 37 39.4
Date first
1910
Date last
2011
Obs
9
Pa first
237
Pa last
228
P.A. Now (θ)
228°
Sep first
5.3
Sep last
5.8
Sep. Now (ρ)
5.8"
Mag pri
10.21
Mag sec
11.40
delta mag (ΔM)
1.19
Spectral class
K8 (yellow-orange)
Pri motion ra
-122
Sec motion ra
-126
Pri motion dec
+167
Sec motion dec
+156
Notes
rPM=0.057 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.4
Precise sep
5.812
Constellation
Draco
Tycho2
3879-01722-1
last precise pa
228.4
last precise sep
5.812
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16392+5237 ES 968 1998 5 229 5.4 10.21 11.40 K8 D 163913.75+523739.4
16392+5237 ES 968 2008 6 227 5.5 10.21 11.40 K8 D 163913.75+523739.4
16392+5237 ES 968 2011 9 228 5.8 10.21 11.40 K8 163913.75+523739.4

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