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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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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
 
 
WDS 20031+3343 SEI 818 (HD 227334) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Sei1908 Pa - Scheiner, J. 1908POPot..59.....S
Sei1908 +Po Pub. Obs. Potsdam 20, #59, 1908
Sei1913A Pa - Scheiner, J. 1913QB811.B8.......
Sei1913A cited by Burnham (Carnegie Inst. Wash. #168, 1913)
Sei1932A Pa - Scheiner, J. 1932QB821.A43......
Sei1932A cited in ADS (Aitken Double Star Cat.), 1932
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20031+3343 SEI 818 1998 8 208 15.1 9.49 11.80 D 200307.00+334301.9
20031+3343 SEI 818 2008 9 207 15.4 9.49 11.80 D 200307.00+334301.9
20031+3343 SEI 818 2015 11 207 15.1 9.49 11.81 K5 200307.00+334301.9

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

 
 
WDS 20031+3343 SEI 818 (HD 227334) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20031+3343 SEI 818 (HD 227334) : MEASURES
 
 
No records found.

 
 
WDS 20031+3343 (HD 227334) : VIRTUAL EYEPIECE
 
 

20031+3343 SEI 818A mag 9.49 Sp K5 20031+3343 SEI 818B sep 14.6 P.A. 203.20 mag 11.81 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20031+3343 (HD 227334) : ALADIN DSS IMAGE @ 20h 03m 07.00s +33° 43' 01.9"
 
 
 
 
WDS 20031+3343 SEI 818 (HD 227334) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20031+3343 SEI 818 distance=0' 20027+3340 HO 118AB distance=6' 20027+3340 DAM 7AC distance=6' 20027+3340 WAK 13CD distance=6' 20031+3350 SEI 819 distance=7' 20027+3349 SEI 815AB distance=8' 20027+3349 SEI 816AC distance=8' 20027+3349 BKO 523AD distance=8' 20025+3341 HO 117AB distance=9' 20025+3341 BKO 520AC distance=9' 20026+3352 BKO 521AB distance=11' 20026+3352 BKO 521BC distance=11' 20039+3349 SEI 833 distance=13' 20027+3355 BKO 522DE distance=14' 20027+3355 BKO 522AB distance=14' 20027+3355 BKO 522AD distance=14' 20027+3355 BKO 522BC distance=14' 20023+3354 SEI 804 distance=14' 20032+3357 SEI 821 distance=14' 20022+3332 SEI 801 distance=17' 20037+3327 TDT1942 distance=18' 20039+3329 TDT1945 distance=18' 20033+3403 SEI 822 distance=20' 20013+3346 SEI 789 distance=23' 20049+3334 ES 2350AB distance=24' 20049+3334 ES 2350BC distance=24' 20016+3358 SEI 794 distance=25' 20024+3320 SEI 803 distance=26' 20010+3346 SEI 785 distance=26' 20048+3359 SEI 841 distance=27' 20053+3343 SEI 844 distance=27' 20008+3337 SEI 784 distance=30' 20020+3411 SEI 800 distance=31' 20030+3416 BKO 524 distance=34' 20057+3329 ES 2351 distance=35' 20040+3309 SEI 832 distance=36' 20034+3420 SEI 823 distance=37' 20032+3421 SEI 820 distance=38' 20021+3308 SEI 797 distance=38' 20041+3419 SEI 834 distance=38' 20031+3421 BKO 525 distance=39' 20016+3417 SEI 793 distance=39' 20062+3328 ES 2373AB distance=41' 20062+3328 ES 2373AC distance=41' 20019+3303 HO 586 distance=44' 20025+3427 SEI 811 distance=45' 20053+3307 COU1806 distance=46' 19597+3359 FRT 2AB distance=46' 19597+3359 FRT 2AC distance=46' 19597+3359 FRT 2AD distance=46' 20068+3329 ES 2352AB distance=48' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 20031+3343 SEI 818 207 15.1
Show 20027+3340 HO 118 AB 28 3.0 6
Show 20027+3340 DAM 7 AC 308 60.7 6
Show 20027+3340 WAK 13 CD 6 2.9 6
Show 20031+3350 SEI 819 148 22.1 7
Show 20027+3349 SEI 815 AB 358 19.4 8
Show 20027+3349 SEI 816 AC 113 20.6 8
Show 20027+3349 BKO 523 AD 341 5.0 8
Show 20025+3341 HO 117 AB 314 5.2 9
Show 20025+3341 BKO 520 AC 24 6.5 9
Show 20026+3352 BKO 521 AB 34 10.5 11
Show 20026+3352 BKO 521 BC 57 5.1 11
Show 20039+3349 SEI 833 146 6.0 13
Show 20027+3355 BKO 522 DE 154 4.4 14
Show 20027+3355 BKO 522 AB 340 6.8 14
Show 20027+3355 BKO 522 AD 199 10.6 14
Show 20027+3355 BKO 522 BC 15 1.9 14
Show 20023+3354 SEI 804 270 27.4 14
Show 20032+3357 SEI 821 93 29.2 14
Show 20022+3332 SEI 801 107 7.9 17
Show 20037+3327 TDT1942 11 0.8 18
Show 20039+3329 TDT1945 114 1.3 18
Show 20033+3403 SEI 822 212 24.3 20
Show 20013+3346 SEI 789 347 16.9 23
Show 20049+3334 ES 2350 AB 224 2.4 24
Show 20049+3334 ES 2350 BC 241 4.4 24
Show 20016+3358 SEI 794 193 3.8 25
Show 20024+3320 SEI 803 272 22.6 26
Show 20010+3346 SEI 785 137 29.2 26
Show 20048+3359 SEI 841 307 26.7 27
Show 20053+3343 SEI 844 6 22.5 27
Show 20008+3337 SEI 784 159 23.5 30
Show 20020+3411 SEI 800 350 24.9 31
Show 20030+3416 BKO 524 62 13.9 34
Show 20057+3329 ES 2351 276 5.0 35
Show 20040+3309 SEI 832 219 22.2 36
Show 20034+3420 SEI 823 232 17.2 37
Show 20032+3421 SEI 820 91 10.8 38
Show 20021+3308 SEI 797 86 25.7 38
Show 20041+3419 SEI 834 135 21.9 38
Show 20031+3421 BKO 525 308 11.5 39
Show 20016+3417 SEI 793 27 4.0 39
Show 20062+3328 ES 2373 AB 104 6.1 41
Show 20062+3328 ES 2373 AC 53 12.6 41
Show 20019+3303 HO 586 172 6.8 44
Show 20025+3427 SEI 811 79 19.9 45
Show 20053+3307 COU1806 287 1.2 46
Show 19597+3359 FRT 2 AB 237 6.9 46
Show 19597+3359 FRT 2 AC 311 3.0 46
Show 19597+3359 FRT 2 AD 63 7.0 46
Show 20068+3329 ES 2352 AB 52 32.4 48

 
 
WDS 20031+3343 : COMPONENTS
 
 
  A
B pa=203.2°
sep=14.61"
 
 
20031+3343 A
 
 
Componente originario normalizzato AB Name HD 227334 Coord arcsec 2000 200307.00+334301.9 Mag 9.49
Spectral class K5 (yellow-orange) PmRA 1.00 PmDE -3.0 Tycho2 2674-05784-1
HD 227334
Tycho2
Tycho2 2674-05784-1 Pflag RAmdeg 300.77917832 DEmdeg 33.71718773
PmRA -1.2 PmDE -3.8 E RAmdeg 17 E DEmdeg 17
E pmRA 1.6 E pmDE 1.6 EpRAm 1988.96 EpDEm 1989.34
Num 6 Q RAmdeg 1.9 Q DEmdeg 0.5 Q pmRA 1.9
Q pmDE 0.4 BTmag 11.585 E BTmag 0.072 VTmag 9.488
E VTmag 0.020 Prox 152 TYC T HIP
CCDM RAdeg 300.77918139 DEdeg 33.71719611 EpRA 1990 1.53
EpDE 1990 1.72 E RAdeg 18.3 E DEdeg 18.3 Posflg
Corr 0.1
CCDM
Ccdm 20031+3343 RComp Comp A Note1
Note2 Discov num DRAs 0.98 DDEs 2.3
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.3 Sp K8 PmNote
PmRA PmDE Dm number +33 3705 Cat1 BD
Name2 Cat2 HD 227334 M HD
ADS BDS M ADS BDS N IDS IDS 19593N3326A
HIC
 
 
20031+3343 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200306.54+334248.5 Mag 11.81 PmRA -2.00
PmDE -5.0 Tycho2 2674-05632-1 Calc delta mag 2.32 Calc coord yes
Tycho2
Tycho2 2674-05632-1 Pflag RAmdeg 300.77685941 DEmdeg 33.71343086
PmRA -0.5 PmDE -3.5 E RAmdeg 54 E DEmdeg 55
E pmRA 1.8 E pmDE 1.8 EpRAm 1978.93 EpDEm 1978.87
Num 5 Q RAmdeg 1.7 Q DEmdeg 0.7 Q pmRA 1.7
Q pmDE 0.7 BTmag 11.650 E BTmag 0.074 VTmag 11.805
E VTmag 0.161 Prox 152 TYC T HIP
CCDM RAdeg 300.77686639 DEdeg 33.71343722 EpRA 1990 1.52
EpDE 1990 1.72 E RAdeg 59.1 E DEdeg 59.9 Posflg
Corr 0.1
CCDM
Ccdm 20031+3343 RComp Comp B Note1
Note2 Discov num SEI 818 DRAs 0.50 DDEs -10.6
R dRAs 65 Year 1894 Theta 207 Rho 15.2
Obs 1 Vmag 10.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19593N3326B
HIC