20213+3758 SEI1098AB

 
 
20h 21m 21.32s +37 58' 23.5" P.A. 146 sep 21.7 mag 11.47,12.90
 
 
Coord 2000
20213+3758
Discov num
SEI1098
Comp
AB
Coord arcsec 2000
20 21 21.32 +37 58 23.5
Date first
1895
Date last
2015
Obs
9
Pa first
146
Pa last
146
P.A. Now (θ)
146°
Sep first
22.5
Sep last
21.7
Sep. Now (ρ)
21.7"
Mag pri
11.47
Mag sec
12.90
delta mag (ΔM)
1.43
Spectral class
Pri motion ra
+001
Sec motion ra
+001
Pri motion dec
-003
Sec motion dec
+001
Notes
N (See Notes)
rPM=1.265
This double is not physical.
 
 
20213+3758 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20213+3758 SEI1098 AB 1895 2015 9 146 21.7 11.47 12.90 1.43 <===
Show 20213+3758 LDS1040 AC 1936 2015 9 74 206.3 11.47 11.00 0.47
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
146
Precise sep
21.667
Constellation
Cygnus
Tycho2
3152-00260-1
Gaia DR2
63559314048
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20213+3758 SEI1098 AB 2002 4 146 21.7 11.65 12.90 202121.32+375823.5
20213+3758 SEI1098 AB 2015 5 146 21.8 11.47 12.90 N 202121.32+375823.5

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