20293+3731 WEI  35AB

 
 
20h 29m 13.54s +37 30' 45.8" P.A. 214 sep 4.1 mag 8.35,8.81 Sp F5 dist. 305.81 pc (997.55 l.y.)
 
 
Coord 2000
20293+3731
Discov num
WEI  35
Comp
AB
Coord arcsec 2000
20 29 13.54 +37 30 45.8
Date first
1879
Date last
2018
Obs
45
Pa first
209
Pa last
214
P.A. Now (θ)
214°
Sep first
3.8
Sep last
4.1
Sep. Now (ρ)
4.1"
Mag pri
8.35
Mag sec
8.81
delta mag (ΔM)
0.46
Spectral class
F5 (yellow-white)
Pri motion ra
+015
Sec motion ra
-002
Pri motion dec
+036
Sec motion dec
+006
Notes
N (See Notes)
rPM=0.884
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
214.4
Precise sep
4.106
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 AB 2008 42 212 4.0 8.35 8.81 F5 D 202913.54+373045.8
20293+3731 WEI 35 AB 2009 45 213 3.5 8.35 8.81 F5 D 202913.54+373045.8
20293+3731 WEI 35 AB 2011 46 213 4.1 8.35 8.81 F5 D 202913.54+373045.8
20293+3731 WEI 35 AB 2016 43 214 4.1 8.35 8.81 F5 N 202913.54+373045.8
20293+3731 WEI 35 AB 2018 45 214 4.1 8.35 8.81 F5 N 202913.54+373045.8

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