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Doubles in session


Current system
20031+3343
SEI 818
HD 227334


Nearby doubles
6' : 20027+3340
HO 118AB

7' : 20031+3350
SEI 819

8' : 20027+3349
SEI 815AB

9' : 20025+3341
HO 117AB

11' : 20026+3352
BKO 521AB

13' : 20039+3349
SEI 833

14' : 20027+3355
BKO 522AB

14' : 20023+3354
SEI 804

14' : 20032+3357
SEI 821

17' : 20022+3332
SEI 801

18' : 20037+3327
TDT1942

18' : 20039+3329
TDT1945

20' : 20033+3403
SEI 822

23' : 20013+3346
SEI 789

24' : 20049+3334
ES 2350AB

25' : 20016+3358
SEI 794

26' : 20024+3320
SEI 803

26' : 20010+3346
SEI 785

27' : 20048+3359
SEI 841

27' : 20053+3343
SEI 844

30' : 20008+3337
SEI 784

31' : 20020+3411
SEI 800

34' : 20030+3416
BKO 524

35' : 20057+3329
ES 2351

36' : 20040+3309
SEI 832

37' : 20034+3420
SEI 823



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.

20031+3343 SEI 818 (HD 227334)

 
 
20h 03m 07.00s +33° 43' 01.9" P.A. 207.00 sep 15.1 mag 9.49,11.81 Sp K5
 
 
Coord 2000 20031+3343 Discov num SEI 818 Comp Coord arcsec 2000 20 03 07.00 +33 43 01.9
Date first 1893 Date last 2015 Obs 15
Pa first 207 Pa last 207.3 P.A. Now (θ) 207.3°
Sep first 15.1 Sep last 15.112 Sep. Now (ρ) 15.112"
Mag pri 9.49 Mag sec 11.81 delta mag (ΔM) 2.32 Spectral class K5 (yellow-orange)
Pri motion ra +001 Sec motion ra -002
Pri motion dec -003 Sec motion dec -005
Notes
rPM=0.67
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 227334 Constellation Cygnus Tycho2 2674-05784-1 Gaia DR2 2058268316784155648
HD 227334