20213+3758 LDS1040AC

 
 
20h 21m 21.32s +37 58' 23.5" P.A. 74 sep 206.3 mag 11.47,11.00
 
 
Coord 2000
20213+3758
Discov num
LDS1040
Comp
AC
Coord arcsec 2000
20 21 21.32 +37 58 23.5
Date first
1936
Date last
2015
Obs
9
Pa first
87
Pa last
74
P.A. Now (θ)
74°
Sep first
217.0
Sep last
206.3
Sep. Now (ρ)
206.3"
Mag pri
11.47
Mag sec
11.00
delta mag (ΔM)
0.47
Spectral class
Pri motion ra
+001
Sec motion ra
-004
Pri motion dec
-003
Sec motion dec
-014
Notes
N (See Notes)
rPM=0.83
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
73.6
Precise sep
206.261
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 LDS1040 AC 1936 1 87 217.0 11.65 13.70 202121.32+375823.5
20213+3758 LDS1040 AC 2002 4 74 206.4 11.47 11.00 N 202121.32+375823.5
20213+3758 LDS1040 AC 2015 5 74 206.4 11.47 11.00 N 202121.32+375823.5

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