20201+3700 SEI1087AC

 
 
20h 20m 11.41s +37 00' 06.7" P.A. 259 sep 11.8 mag 11.22,12.20
 
 
Coord 2000
20201+3700
Discov num
SEI1087
Comp
AC
Coord arcsec 2000
20 20 11.41 +37 00 06.7
Date first
1893
Date last
2015
Obs
8
Pa first
256
Pa last
259
P.A. Now (θ)
259°
Sep first
11.8
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
11.22
Mag sec
12.20
delta mag (ΔM)
0.98
Spectral class
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-005
Sec motion dec
+005
Notes
N (See Notes)
rPM=1.866
This double is not physical.
 
 
20201+3700 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20201+3700 TDT2183 AB 1991 1991 1 353 1.3 11.22 11.98 0.76
Show 20201+3700 SEI1087 AC 1893 2015 8 259 11.8 11.22 12.20 0.98 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
259.1
Precise sep
11.771
Constellation
Cygnus
Tycho2
2684-00645-1
Gaia DR2
21738181888
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20201+3700 SEI1087 AC 1998 6 258 11.8 11.22 12.20 N D 202011.41+370006.7
20201+3700 SEI1087 AC 2002 7 258 11.8 11.22 12.20 N D 202011.41+370006.7
20201+3700 SEI1087 AC 2015 8 259 11.8 11.22 12.20 N 202011.41+370006.7

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