20296+3901 SEI1137AC

 
 
20h 29m 35.09s +39 01' 10.4" P.A. 310.00 sep 22.0 mag 11.09,11.41 Sp A5+G8
 
 
Coord 2000
20296+3901
Discov num
SEI1137
Comp
AC
Coord arcsec 2000
20 29 35.09 +39 01 10.4
Date first
1895
Date last
2016
Obs
16
Pa first
313
Pa last
310
P.A. Now (θ)
310°
Sep first
22.2
Sep last
22.0
Sep. Now (ρ)
22"
Mag pri
11.09
Mag sec
11.41
delta mag (ΔM)
0.32
Spectral class
A5+G8 (white/yellow)
Pri motion ra
-004
Sec motion ra
-005
Pri motion dec
-002
Sec motion dec
-014
Notes
rPM=0.81
This double is not physical.
 
 
20296+3901 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 70100 20296+3901 ALI 936 AB 1928 2016 11 77 10.5 11.09 11.46 0.37
Show 70100 20296+3901 SEI1137 AC 1895 2016 16 310 22.0 11.09 11.41 0.32 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.6
Precise sep
22.036
Constellation
Cygnus
SAO
70100
Tycho2
3152-01441-1
Gaia DR2
05531141760
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20296+3901 SEI1137 AC 1998 8 310 22.1 11.09 11.71 D 202935.09+390110.4
20296+3901 SEI1137 AC 2002 9 310 22.1 11.09 11.71 D 202935.09+390110.4
20296+3901 SEI1137 AC 2016 12 310 22.0 11.09 11.41 A5+G8 202935.09+390110.4

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