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Current system
20008+3337
SEI 784


Nearby doubles
10' : 20010+3346
SEI 785

11' : 20013+3346
SEI 789

17' : 20022+3332
SEI 801

22' : 20025+3341
HO 117AB

22' : 19596+3321
SEI 769

24' : 19596+3318
BEW 4

25' : 20027+3340
HO 118AB

25' : 20016+3358
SEI 794

26' : 20024+3320
SEI 803

26' : 20023+3354
SEI 804

27' : 20027+3349
SEI 815AB

27' : 20026+3352
BKO 521AB

27' : 19597+3359
FRT 2AB

30' : 20031+3343
SEI 818

30' : 20027+3355
BKO 522AB

32' : 20031+3350
SEI 819

32' : 19583+3333
HO 582AB

33' : 20021+3308
SEI 797

34' : 19583+3345
ELS 8AB

35' : 19582+3346
SEI 753

35' : 19585+3317
STF2606AB

37' : 20032+3357
SEI 821

37' : 20019+3303
HO 586

37' : 20037+3327
TDT1942

38' : 20020+3411
SEI 800

40' : 20039+3329
TDT1945



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20008+3337 SEI 784

 
 
20h 00m 50.50s +33° 36' 35.0" P.A. 159.00 sep 23.5 mag 12.41,12.12
 
 
Coord 2000 20008+3337 Discov num SEI 784 Comp Coord arcsec 2000 20 00 50.50 +33 36 35.0
Date first 1894 Date last 2015 Obs 14
Pa first 159 Pa last 158.8 P.A. Now (θ) 158.8°
Sep first 22.1 Sep last 23.521 Sep. Now (ρ) 23.521"
Mag pri 12.41 Mag sec 12.12 delta mag (ΔM) 0.29 Spectral class
Pri motion ra -002 Sec motion ra +000
Pri motion dec +000 Sec motion dec -012
Notes
rPM=1.014
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2674-05654-1 Gaia DR2 2058427849039812480
 
 
WDS 20008+3337 SEI 784 : 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
20008+3337 SEI 784 1998 6 159 23.4 12.50 12.74 D 200050.50+333635.0
20008+3337 SEI 784 2002 7 159 23.4 12.50 12.74 D 200050.50+333635.0
20008+3337 SEI 784 2011 8 159 23.5 12.50 12.74 D 200050.50+333635.0
20008+3337 SEI 784 2015 10 159 23.5 12.41 12.12 200050.50+333635.0

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

 
 
WDS 20008+3337 SEI 784 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20008+3337 SEI 784 : MEASURES
 
 
No records found.

 
 
WDS 20008+3337 : VIRTUAL EYEPIECE
 
 

20008+3337 SEI 784A mag 12.41 20008+3337 SEI 784B sep 23.1 P.A. 162.10 mag 12.12 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20008+3337 : ALADIN DSS IMAGE @ 20h 00m 50.50s +33° 36' 35.0"
 
 
 
 
WDS 20008+3337 SEI 784 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20008+3337 SEI 784 distance=0' 20010+3346 SEI 785 distance=10' 20013+3346 SEI 789 distance=11' 20022+3332 SEI 801 distance=17' 20025+3341 HO 117AB distance=22' 20025+3341 BKO 520AC distance=22' 19596+3321 SEI 769 distance=22' 20027+3340 WAK 13CD distance=24' 19596+3318 BEW 4 distance=24' 20027+3340 HO 118AB distance=25' 20027+3340 DAM 7AC distance=25' 20016+3358 SEI 794 distance=25' 20024+3320 SEI 803 distance=26' 20023+3354 SEI 804 distance=26' 20027+3349 SEI 815AB distance=27' 20027+3349 SEI 816AC distance=27' 20027+3349 BKO 523AD distance=27' 20026+3352 BKO 521AB distance=27' 20026+3352 BKO 521BC distance=27' 19597+3359 FRT 2AB distance=27' 19597+3359 FRT 2AC distance=27' 19597+3359 FRT 2AD distance=27' 20031+3343 SEI 818 distance=30' 20027+3355 BKO 522DE distance=30' 20027+3355 BKO 522AB distance=30' 20027+3355 BKO 522AD distance=30' 20027+3355 BKO 522BC distance=30' 20031+3350 SEI 819 distance=32' 19583+3333 HO 582AB distance=32' 19583+3333 HO 582AC distance=32' 19583+3333 WAL 123AB,D distance=32' 20021+3308 SEI 797 distance=33' 19583+3345 DAM 312BC distance=34' 19583+3345 ELS 8AB distance=34' 19582+3346 SEI 753 distance=35' 19585+3317 STF2606AB distance=35' 19585+3317 GUI 29AC distance=35' 20032+3357 SEI 821 distance=37' 20019+3303 HO 586 distance=37' 20037+3327 TDT1942 distance=37' 20020+3411 SEI 800 distance=38' 20039+3329 TDT1945 distance=40' 19579+3353 COU1805 distance=40' 20033+3403 SEI 822 distance=41' 20016+3417 SEI 793 distance=41' 20039+3349 SEI 833 distance=42' 20005+3418 SEI 780 distance=42' 20004+3252 TDT1910 distance=45' 20001+3423 HU 1308AB distance=48' 20001+3423 SCA 180AC distance=48' 20001+3423 SCA 180BC 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 20008+3337 SEI 784 159 23.5
Show 20010+3346 SEI 785 137 29.2 10
Show 20013+3346 SEI 789 347 16.9 11
Show 20022+3332 SEI 801 107 7.9 17
Show 20025+3341 HO 117 AB 314 5.2 22
Show 20025+3341 BKO 520 AC 24 6.5 22
Show 19596+3321 SEI 769 228 23.7 22
Show 20027+3340 WAK 13 CD 6 2.9 24
Show 19596+3318 BEW 4 203 18.0 24
Show 20027+3340 HO 118 AB 28 3.0 25
Show 20027+3340 DAM 7 AC 308 60.7 25
Show 20016+3358 SEI 794 193 3.8 25
Show 20024+3320 SEI 803 272 22.6 26
Show 20023+3354 SEI 804 270 27.4 26
Show 20027+3349 SEI 815 AB 358 19.4 27
Show 20027+3349 SEI 816 AC 113 20.6 27
Show 20027+3349 BKO 523 AD 341 5.0 27
Show 20026+3352 BKO 521 AB 34 10.5 27
Show 20026+3352 BKO 521 BC 57 5.1 27
Show 19597+3359 FRT 2 AB 237 6.9 27
Show 19597+3359 FRT 2 AC 311 3.0 27
Show 19597+3359 FRT 2 AD 63 7.0 27
Show 20031+3343 SEI 818 207 15.1 30
Show 20027+3355 BKO 522 DE 154 4.4 30
Show 20027+3355 BKO 522 AB 340 6.8 30
Show 20027+3355 BKO 522 AD 199 10.6 30
Show 20027+3355 BKO 522 BC 15 1.9 30
Show 20031+3350 SEI 819 148 22.1 32
Show 19583+3333 HO 582 AB 314 0.6 32
Show 19583+3333 HO 582 AC 191 8.8 32
Show 19583+3333 WAL 123 AB,D 259 38.7 32
Show 20021+3308 SEI 797 86 25.7 33
Show 19583+3345 DAM 312 BC 83 6.8 34
Show 19583+3345 ELS 8 AB 95 4.2 34
Show 19582+3346 SEI 753 139 6.6 35
Show 19585+3317 STF2606 AB 146 0.7 35
Show 19585+3317 GUI 29 AC 274 168.6 35
Show 20032+3357 SEI 821 93 29.2 37
Show 20019+3303 HO 586 172 6.8 37
Show 20037+3327 TDT1942 11 0.8 37
Show 20020+3411 SEI 800 350 24.9 38
Show 20039+3329 TDT1945 114 1.3 40
Show 19579+3353 COU1805 64 0.3 40
Show 20033+3403 SEI 822 212 24.3 41
Show 20016+3417 SEI 793 27 4.0 41
Show 20039+3349 SEI 833 146 6.0 42
Show 20005+3418 SEI 780 141 5.7 42
Show 20004+3252 TDT1910 243 1.8 45
Show 20001+3423 HU 1308 AB 28 0.5 48
Show 20001+3423 SCA 180 AC 35 0.4 48
Show 20001+3423 SCA 180 BC 186 0.1 48

 
 
WDS 20008+3337 : COMPONENTS
 
 
  A
B pa=162.1°
sep=23.05"
 
 
20008+3337 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200050.50+333635.0 Mag 12.41 PmRA -2.00
PmDE 0.0 Tycho2 2674-05654-1
Tycho2
Tycho2 2674-05654-1 Pflag RAmdeg 300.21041831 DEmdeg 33.60973527
PmRA -0.6 PmDE -3.3 E RAmdeg 99 E DEmdeg 93
E pmRA 2.9 E pmDE 2.7 EpRAm 1965.87 EpDEm 1968.18
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.1 Q pmRA 1.0
Q pmDE 1.1 BTmag 12.704 E BTmag 0.232 VTmag 12.499
E VTmag 0.225 Prox 231 TYC HIP
CCDM RAdeg 300.21042083 DEdeg 33.60974000 EpRA 1990 1.49
EpDE 1990 1.75 E RAdeg 126.3 E DEdeg 113.6 Posflg
Corr 0.1
CCDM
Ccdm 20008+3337 RComp Comp A Note1
Note2 Discov num DRAs 2.53 DDEs -23.7
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19570N3320A
HIC
 
 
20008+3337 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200051.07+333613.1 Mag 12.12 PmRA 0.00
PmDE -12.0 Calc delta mag 0.29 Calc coord yes
CCDM
Ccdm 20008+3337 RComp Comp B Note1
Note2 Discov num SEI 784 DRAs 3.21 DDEs -45.5
R dRAs 65 Year 1894 Theta 158 Rho 22.1
Obs 1 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 19570N3320B
HIC