20146+3855 ES 2047AB

 
 
20h 14m 37.91s +38 55' 29.2" P.A. 175 sep 33.2 mag 9.48,11.23 Sp B0.5III
 
 
Coord 2000
20146+3855
Discov num
ES 2047
Comp
AB
Coord arcsec 2000
20 14 37.91 +38 55 29.2
Date first
1923
Date last
2015
Obs
7
Pa first
175
Pa last
175
P.A. Now (θ)
175°
Sep first
32.1
Sep last
33.2
Sep. Now (ρ)
33.2"
Mag pri
9.48
Mag sec
11.23
delta mag (ΔM)
1.75
Spectral class
B0.5III (blue-white)
Pri motion ra
-002
Sec motion ra
+009
Pri motion dec
-004
Sec motion dec
+019
Notes
rPM=1.213
This double is not physical.
 
 
20146+3855 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20146+3855 ES 2047 AB 1923 2015 7 175 33.2 9.48 11.23 1.75 <===
Show 20146+3855 ES 2047 AD 1923 2015 4 103 10.6 9.50 14.00 4.50
Show 20146+3855 ES 2047 AE 1998 2015 3 106 27.6 9.50 13.30 3.80
Show 20146+3855 ES 2047 BC 1923 2015 6 198 4.8 10.60 10.80 0.20
Quintuple system
5 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
174.8
Precise sep
33.151
Constellation
Cygnus
SAO
69683
Tycho2
3151-01650-1
Gaia DR2
35936730240
HD
228519
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20146+3855 ES 2047 AB 2004 5 176 34.6 9.49 10.60 B0.5III D 201437.91+385529.2
20146+3855 ES 2047 AB 2015 7 175 33.2 9.48 11.23 B0.5III 201437.91+385529.2

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