20212+3537 ES   28

 
 
20h 21m 14.07s +35 37' 16.6" P.A. 251 sep 21.6 mag 10.00,11.26 Sp G0
 
 
Coord 2000
20212+3537
Discov num
ES   28
Comp
Coord arcsec 2000
20 21 14.07 +35 37 16.6
Date first
1900
Date last
2015
Obs
12
Pa first
256
Pa last
251
P.A. Now (θ)
251°
Sep first
24.3
Sep last
21.6
Sep. Now (ρ)
21.6"
Mag pri
10.00
Mag sec
11.26
delta mag (ΔM)
1.26
Spectral class
G0 (yellow)
Pri motion ra
-001
Sec motion ra
+025
Pri motion dec
+000
Sec motion dec
-009
Notes
rPM=1.035
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
251.3
Precise sep
21.554
Constellation
Cygnus
Tycho2
2680-00828-1
Gaia DR2
56670027520
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20212+3537 ES 28 1991 6 252 22.1 10.00 11.51 G0 202114.07+353716.6
20212+3537 ES 28 2008 7 251 21.8 10.00 11.51 G0 202114.07+353716.6
20212+3537 ES 28 2015 12 251 21.6 10.00 11.26 G0 202114.07+353716.6

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