20171+3738 SLE 986AB

 
 
20h 17m 03.70s +37 38' 24.8" P.A. 353 sep 6.3 mag 10.78,15.10
 
 
Coord 2000
20171+3738
Discov num
SLE 986
Comp
AB
Coord arcsec 2000
20 17 03.70 +37 38 24.8
Date first
1985
Date last
2015
Obs
7
Pa first
355
Pa last
353
P.A. Now (θ)
353°
Sep first
5.8
Sep last
6.3
Sep. Now (ρ)
6.3"
Mag pri
10.78
Mag sec
15.10
delta mag (ΔM)
4.32
Spectral class
Pri motion ra
+000
Sec motion ra
-032
Pri motion dec
-004
Sec motion dec
-021
Notes
rPM=0.947
This double is not physical.
 
 
20171+3738 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20171+3738 SLE 986 AB 1985 2015 7 353 6.3 10.78 15.10 4.32 <===
Show 20171+3738 SLE 986 AC 1929 2015 10 2 18.0 10.78 12.40 1.62
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
352.7
Precise sep
6.293
Constellation
Cygnus
SAO
69754
Tycho2
3151-01063-1
Gaia DR2
85010192256
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20171+3738 SLE 986 AB 1985 1 355 5.8 11.70 12.70 201703.59+373819.6
20171+3738 SLE 986 AB 2002 2 354 6.5 10.78 15.10 201703.70+373824.8
20171+3738 SLE 986 AB 2015 3 353 6.5 10.78 15.10 201703.70+373824.8

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