20060+3546 ES   25AC

 
 
20h 06m 01.36s +35 45' 55.9" P.A. 297.00 sep 11.8 mag 7.89,14.80 Sp B5n
 
 
Coord 2000
20060+3546
Discov num
ES   25
Comp
AC
Coord arcsec 2000
20 06 01.36 +35 45 55.9
Date first
1900
Date last
2015
Obs
12
Pa first
299
Pa last
297
P.A. Now (θ)
297°
Sep first
11.3
Sep last
11.8
Sep. Now (ρ)
11.8"
Mag pri
7.89
Mag sec
14.80
delta mag (ΔM)
6.91
Spectral class
B5n (blue-white)
Pri motion ra
-004
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N (See Notes)
Visually invisible, K-band or other infrared star Nature of this double is uncertain.
 
 
20060+3546 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 69405 20060+3546 ES 25 AB 1895 2015 11 122 8.6 7.89 12.00 4.11
Show 69405 20060+3546 ES 25 AC 1900 2015 12 297 11.8 7.89 14.80 6.91 <===
Show 69405 20060+3546 SHJ 315 AD 1823 2018 32 236 20.2 7.89 8.73 0.84
Show 69405 20060+3546 WAL 127 AE 1895 2015 15 94 33.7 7.89 11.71 3.82
Show 69405 20060+3546 ES 25 AF 1895 2017 17 329 95.7 7.89 6.78 1.11
Show 69405 20060+3546 SEI 865 EG 1895 2015 14 196 14.5 11.71 11.80 0.09
Septuple system
7 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
296.7
Precise sep
11.77
Constellation
Cygnus
SAO
69405
Tycho2
2683-03586-1
Gaia DR2
73709364864
HD
227634
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20060+3546 ES 25 AC 2002 4 297 11.6 7.89 14.80 B5n D 200601.36+354555.9
20060+3546 ES 25 AC 2012 6 297 11.4 7.89 14.80 B5n N D 200601.36+354555.9
20060+3546 ES 25 AC 2015 8 297 11.7 7.89 14.80 B5n N 200601.36+354555.9

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