16524+7030 LDS1857

 
 
16h 52m 20.59s +70 29' 59.7" sep 33.3 mag 12.20,16.70
 
 
Coord 2000
16524+7030
Discov num
LDS1857
Comp
Coord arcsec 2000
16 52 20.59 +70 29 59.7
Date first
1966
Date last
2010
Obs
3
Pa first
1
Pa last
0
P.A. Now (θ)
Sep first
34.0
Sep last
33.3
Sep. Now (ρ)
33.3"
Mag pri
12.20
Mag sec
16.70
delta mag (ΔM)
4.5
Spectral class
Pri motion ra
-252
Sec motion ra
Pri motion dec
+124
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
0.4
Precise sep
33.33
Constellation
Draco
Tycho2
4423-02006-1
last precise pa
0.4
last precise sep
33.33
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16524+7030 LDS1857 1999 2 1 33.3 12.20 16.70 D 165220.59+702959.7
16524+7030 LDS1857 2010 3 1 33.3 12.20 16.70 165220.59+702959.7

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