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Current system
20060+3546
ES 25 AB
HD 227634


Nearby doubles
2' : 20060+3545
SEI 858AB

2' : 20060+3547
BU 440AB

3' : 20062+3544
SEI 867AB

4' : 20059+3542
SEI 854

6' : 20064+3543
SEI 877AB

6' : 20062+3551
SEI 869

7' : 20059+3552
SEI 856

7' : 20054+3549
SEI 846

7' : 20066+3544
RAO 518

9' : 20063+3538
SEI 871AB

9' : 20058+3554
SEI 849

11' : 20054+3539
SEI 847AB

11' : 20057+3536
SHJ 316AB

11' : 20069+3546
SEI 885

11' : 20069+3545
SEI 886AB

12' : 20063+3535
SEI 873AB

12' : 20058+3556
ES 86AB

14' : 20064+3558
BUP 204AB

14' : 20052+3536
TDT1958

14' : 20070+3554
SEI 887AB

17' : 20073+3553
SEI 892AB

17' : 20074+3543
STT 398AB

18' : 20074+3553
SEI 894AB

19' : 20074+3537
ALI 181

19' : 20058+3605
SEI 853

20' : 20073+3534
ES 2248AB



Selections
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Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20060+3546 ES 25 AB (HD 227634)

 
 
20h 06m 01.36s +35° 45' 55.9" P.A. 122.00 sep 8.6 mag 7.89,12.00 Sp B5n
 
 
Coord 2000 20060+3546 Discov num ES   25 Comp AB Coord arcsec 2000 20 06 01.36 +35 45 55.9
Date first 1895 Date last 2015 Obs 11
Pa first 111 Pa last 121.8 P.A. Now (θ) 121.8°
Sep first 9.4 Sep last 8.648 Sep. Now (ρ) 8.648"
Mag pri 7.89 Mag sec 12.00 delta mag (ΔM) 4.11 Spectral class B5n (blue-white)
Pri motion ra -002 Sec motion ra
Pri motion dec -004 Sec motion dec
Notes N (See Notes)
Nature of this double is uncertain.
 
 
20060+3546 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 227634 69405 20 06 01 +35 45 56 ES 25 AB 2015 11 122 8.6 7.89 12.00 4.11 <===
Show 69405 20 06 01 +35 45 56 ES 25 AC 2015 12 297 11.8 7.89 14.80 6.91
Show 69405 20 06 01 +35 45 56 SHJ 315 AD 2018 32 236 20.2 7.89 8.73 0.84
Show 69405 20 06 01 +35 45 56 WAL 127 AE 2015 15 94 33.7 7.89 11.71 3.82
Show 69405 20 06 01 +35 45 56 ES 25 AF 2017 17 329 95.7 7.89 6.78 1.11
Show 20 06 04 +35 45 54 SEI 865 EG 2015 14 196 14.5 11.71 11.80 0.09
Septuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 227634 Constellation Cygnus SAO 69405 Tycho2 2683-03586-1
Gaia DR2 2059075873709364864 HD 227634 ADS 13376