16422+5236 BEM  22

 
 
16h 42m 13.87s +52 35' 16.7" P.A. 105 sep 7.5 mag 11.00,11.30
 
 
Coord 2000
16422+5236
Discov num
BEM  22
Comp
Coord arcsec 2000
16 42 13.87 +52 35 16.7
Date first
1897
Date last
2016
Obs
9
Pa first
105
Pa last
105
P.A. Now (θ)
105°
Sep first
7.8
Sep last
7.5
Sep. Now (ρ)
7.5"
Mag pri
11.00
Mag sec
11.30
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
-023
Sec motion ra
+023
Pri motion dec
-003
Sec motion dec
-011
Notes
rPM=1.831
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
104.7
Precise sep
7.544
Constellation
Draco
Tycho2
3879-00754-1
last precise pa
104.7
last precise sep
7.544
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16422+5236 BEM 22 1998 4 105 7.6 11.00 11.30 D 164213.87+523516.7
16422+5236 BEM 22 2010 5 105 7.6 11.00 11.30 D 164213.87+523516.7
16422+5236 BEM 22 2011 8 105 7.5 11.00 11.30 164213.87+523516.7
16422+5236 BEM 22 2016 9 105 7.5 11.00 11.30 164213.87+523516.7

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