20293+3731 WEI  35AC

 
 
20h 29m 13.54s +37 30' 45.8" P.A. 100 sep 87.6 mag 8.35,9.40 Sp F5 dist. 305.81 pc (997.55 l.y.)
 
 
Coord 2000
20293+3731
Discov num
WEI  35
Comp
AC
Coord arcsec 2000
20 29 13.54 +37 30 45.8
Date first
1883
Date last
2015
Obs
22
Pa first
100
Pa last
100
P.A. Now (θ)
100°
Sep first
86.9
Sep last
87.6
Sep. Now (ρ)
87.6"
Mag pri
8.35
Mag sec
9.40
delta mag (ΔM)
1.05
Spectral class
F5 (yellow-white)
Pri motion ra
+015
Sec motion ra
+001
Pri motion dec
+036
Sec motion dec
-005
Notes
N (See Notes)
rPM=1.111
This double is not physical.
 
 
20293+3731 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20293+3731 WEI 35 AB 1879 2018 45 214 4.1 8.35 8.81 0.46
Show 20293+3731 WEI 35 AC 1883 2015 22 100 87.6 8.35 9.40 1.05 <===
Show 20293+3731 WEI 35 BC 1883 2015 20 98 89.3 8.81 9.40 0.59
Show 20293+3731 WEI 35 CD 1879 2015 21 201 12.1 9.40 10.55 1.15
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
99.9
Precise sep
87.589
Constellation
Cygnus
SAO
70097
HIP
101062
Tycho2
3152-00824-1
Gaia DR2
68312070016
HD
195323
BD
BD+37 3950
Distance
305.81
Distance ly
997.55
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20293+3731 WEI 35 AC 2000 17 99 87.4 8.35 9.40 D 202913.54+373045.8
20293+3731 WEI 35 AC 2008 18 100 87.4 8.35 9.40 D 202913.54+373045.8
20293+3731 WEI 35 AC 2009 19 100 87.7 8.35 9.40 D 202913.54+373045.8
20293+3731 WEI 35 AC 2012 21 100 88.0 8.35 9.40 D 202913.54+373045.8
20293+3731 WEI 35 AC 2015 22 100 87.6 8.35 9.40 F5 N 202913.54+373045.8

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