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Doubles in session


Current system
19563+3505
HJ 1455 AC


Nearby doubles
12' : 19572+3502
HDS2840

12' : 19561+3457
HLM 34

16' : 19564+3448
SEI 737

18' : 19577+3509
SEI 747

19' : 19578+3508
SEI 748

19' : 19576+3454
HLM 35

20' : 19550+3454
GRF 12AB

24' : 19547+3453
SEI 723AB

24' : 19557+3443
HLM 33AB

26' : 19568+3530
TDT1869

30' : 19587+3502
TDT1894

34' : 19553+3435
ES 200

36' : 19592+3503
SEI 761

38' : 19589+3447
TDT1897

40' : 19594+3454
GAT 28

41' : 19531+3517
POP 37

41' : 19537+3442
SEI 716

42' : 19596+3510
SEI 774

42' : 19589+3529
GRV 302

44' : 19591+3532
STF2610AB

47' : 19551+3551
COU1945

49' : 19590+3539
SEI 759AB

49' : 20002+3459
SEI 776

49' : 19581+3422
SEI 752

49' : 19579+3550
TDT1882

50' : 19586+3424
SEI 754AB



Selections
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Binocular doubles
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.

19563+3505 HJ 1455 AC

 
 
19h 56m 18.40s +35° 05' 00.6" P.A. 333.00 sep 45.9 mag 3.89,10.50 Sp K0III dist. 41.37 pc (134.95 l.y.)
 
 
Coord 2000 19563+3505 Discov num HJ 1455 Comp AC Coord arcsec 2000 19 56 18.40 +35 05 00.6
Date first 1828 Date last 2016 Obs 14
Pa first 332 Pa last 332.8 P.A. Now (θ) 332.8°
Sep first 30.0 Sep last 45.89 Sep. Now (ρ) 45.89"
Mag pri 3.89 Mag sec 10.50 delta mag (ΔM) 6.61 Spectral class K0III (yellow-orange)
Pri motion ra -034 Sec motion ra +003
Pri motion dec -026 Sec motion dec -006
Notes N S (See Notes, Parallax indidates non-physical)
rPM=0.983
This double is not physical.
 
 
19563+3505 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Eta Cyg 69116 19 56 18 +35 05 01 BU 980 AB 2017 17 206 7.2 3.89 12.00 8.11
Show 69116 19 56 18 +35 05 01 HJ 1455 AC 2016 14 333 45.9 3.89 10.50 6.61 <===
Show 69116 19 56 18 +35 05 01 HJ 1455 AD 2016 12 163 47.5 3.89 10.40 6.51
Show 69116 19 56 18 +35 05 01 BU 980 AE 2016 8 247 56.5 3.89 11.50 7.61
Show 19 56 17 +35 05 41 BU 980 CE 2015 6 206 70.3 12.50 12.90 0.40
Show 19 56 17 +35 05 41 BU 980 CF 2013 2 264 8.3 12.50 14.70 2.20
Sextuple system
6 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name NSV12586 Cyg Constellation Cygnus SAO 69116 HIP 98110
Tycho2 2677-01816-1 Gaia DR2 2059372363881617536 HD 188947 HR 7615
GC 27622 ADS 13149 BD BD+34 3798 Bayer Eta Cygni
Bayer name Eta Cyg Flamsteed 21 Cygni Flamsteed name 21 Cyg FK5 1521
Distance 41.37 Distance ly 134.95 Bayer greek η Cyg