21070+3839 ES 2059

 
 
21h 07m 02.12s +38 39' 31.7" P.A. 268 sep 6.8 mag 10.11,12.70 Sp B8II
 
 
Coord 2000
21070+3839
Discov num
ES 2059
Comp
Coord arcsec 2000
21 07 02.12 +38 39 31.7
Date first
1923
Date last
2016
Obs
10
Pa first
266
Pa last
268
P.A. Now (θ)
268°
Sep first
6.5
Sep last
6.8
Sep. Now (ρ)
6.8"
Mag pri
10.11
Mag sec
12.70
delta mag (ΔM)
2.59
Spectral class
B8II (blue-white)
Pri motion ra
+005
Sec motion ra
-004
Pri motion dec
-005
Sec motion dec
-005
Notes
rPM=1.273
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268.1
Precise sep
6.844
Cdsa2 id
ES 2059
Constellation
Cygnus
Ra deg
21.117255555555555
De deg
38.65880555555555
last precise pa
268.1
last precise sep
6.844
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21070+3839 ES 2059 1998 5 266 6.9 10.11 12.60 B8II D 210702.12+383931.7
21070+3839 ES 2059 2008 6 267 6.9 10.11 12.60 B8II D 210702.12+383931.7
21070+3839 ES 2059 2013 8 267 7.0 10.11 12.60 B8II 210702.12+383931.7
21070+3839 ES 2059 2016 10 268 6.8 10.11 12.60 B8II 210702.12+383931.7

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