20057+3536 ES   24BC

 
 
20h 05m 36.36s +35 37' 23.4" P.A. 242 sep 11 mag 8.82,13.80 Sp B0.5IVp
 
 
Coord 2000
20057+3536
Discov num
ES   24
Comp
BC
Coord arcsec 2000
20 05 36.36 +35 37 23.4
Date first
1900
Date last
2015
Obs
6
Pa first
245
Pa last
242
P.A. Now (θ)
242°
Sep first
11.8
Sep last
11.0
Sep. Now (ρ)
11"
Mag pri
8.82
Mag sec
13.80
delta mag (ΔM)
4.98
Spectral class
B0.5IVp (blue-white)
Pri motion ra
-004
Sec motion ra
-006
Pri motion dec
-007
Sec motion dec
-020
Notes
N (See Notes)
rPM=0.63
Nature of this double is uncertain.
 
 
20057+3536 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20057+3536 SHJ 316 AB 1876 2015 26 323 69.6 7.79 8.82 1.03
Show 20057+3536 ES 24 BC 1900 2015 6 242 11.0 8.82 13.80 4.98 <===
Show 20057+3536 ES 24 BD 1900 2015 9 84 17.0 8.82 13.11 4.29
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
242.3
Precise sep
11.031
Constellation
Cygnus
SAO
69391
Tycho2
2678-00808-1
Gaia DR2
59271061632
HD
227586
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20057+3536 ES 24 BC 2002 3 242 11.2 8.82 13.80 B0.5IVp 200536.36+353723.4
20057+3536 ES 24 BC 2015 6 242 11.0 8.82 13.80 B0.5IVp N 200536.36+353723.4

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