20117+3745 SLE 958AB

 
 
20h 11m 40.42s +37 45' 16.8" P.A. 322 sep 17.9 mag 11.80,12.30
 
 
Coord 2000
20117+3745
Discov num
SLE 958
Comp
AB
Coord arcsec 2000
20 11 40.42 +37 45 16.8
Date first
1985
Date last
2015
Obs
7
Pa first
321
Pa last
322
P.A. Now (θ)
322°
Sep first
17.9
Sep last
17.9
Sep. Now (ρ)
17.9"
Mag pri
11.80
Mag sec
12.30
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
-001
Sec motion ra
+003
Pri motion dec
-004
Sec motion dec
+003
Notes
rPM=1.9
This double is not physical.
 
 
20117+3745 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20117+3745 SLE 958 AB 1985 2015 7 322 17.9 11.80 12.30 0.50 <===
Show 20117+3745 SLE 958 AC 1929 2015 8 6 19.7 11.80 12.30 0.50
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
321.6
Precise sep
17.946
Constellation
Cygnus
Tycho2
3151-01711-1
Gaia DR2
94458072320
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20117+3745 SLE 958 AB 1998 2 321 17.9 11.80 12.30 D 201140.42+374516.8
20117+3745 SLE 958 AB 2002 3 321 18.0 11.80 12.30 D 201140.42+374516.8
20117+3745 SLE 958 AB 2015 4 322 17.9 11.80 12.30 201140.42+374516.8

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