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Current system
20013+3346
SEI 789


Nearby doubles
3' : 20010+3346
SEI 785

11' : 20008+3337
SEI 784

15' : 20016+3358
SEI 794

16' : 20025+3341
HO 117AB

16' : 20023+3354
SEI 804

18' : 20022+3332
SEI 801

18' : 20026+3352
BKO 521AB

18' : 20027+3349
SEI 815AB

19' : 20027+3340
HO 118AB

20' : 20027+3355
BKO 522AB

23' : 20031+3343
SEI 818

23' : 20031+3350
SEI 819

25' : 19597+3359
FRT 2AB

27' : 20020+3411
SEI 800

27' : 20032+3357
SEI 821

29' : 20024+3320
SEI 803

31' : 20033+3403
SEI 822

32' : 20016+3417
SEI 793

33' : 19596+3321
SEI 769

34' : 20039+3349
SEI 833

35' : 20005+3418
SEI 780

35' : 19596+3318
BEW 4

35' : 20037+3327
TDT1942

37' : 20039+3329
TDT1945

38' : 20030+3416
BKO 524

38' : 19583+3345
ELS 8AB



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

20013+3346 SEI 789

 
 
20h 01m 18.90s +33° 45' 26.5" P.A. 347.00 sep 16.9 mag 10.69,12.70 Sp A5
 
 
Coord 2000 20013+3346 Discov num SEI 789 Comp Coord arcsec 2000 20 01 18.90 +33 45 26.5
Date first 1894 Date last 2015 Obs 12
Pa first 349 Pa last 347.3 P.A. Now (θ) 347.3°
Sep first 18.2 Sep last 16.869 Sep. Now (ρ) 16.869"
Mag pri 10.69 Mag sec 12.70 delta mag (ΔM) 2.01 Spectral class A5 (white)
Pri motion ra +000 Sec motion ra +001
Pri motion dec +004 Sec motion dec -006
Notes
rPM=1.652
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2678-01670-1 Gaia DR2 2058430799652334592 HD 227138
 
 
WDS 20013+3346 SEI 789 : 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
20013+3346 SEI 789 1998 4 348 17.0 10.69 12.70 D 200118.90+334526.5
20013+3346 SEI 789 2002 5 347 17.0 10.69 12.70 D 200118.90+334526.5
20013+3346 SEI 789 2011 6 347 16.9 10.69 12.70 D 200118.90+334526.5
20013+3346 SEI 789 2015 8 347 16.9 10.69 12.70 A5 200118.90+334526.5

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

 
 
WDS 20013+3346 SEI 789 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20013+3346 SEI 789 : MEASURES
 
 
No records found.

 
 
WDS 20013+3346 : VIRTUAL EYEPIECE
 
 

20013+3346 SEI 789A mag 10.69 Sp A5 20013+3346 SEI 789B sep 16.7 P.A. 349.40 mag 12.7 virtual eyepiece
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Radius:
Components only
 
 
WDS 20013+3346 : ALADIN DSS IMAGE @ 20h 01m 18.90s +33° 45' 26.5"
 
 
 
 
WDS 20013+3346 SEI 789 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20013+3346 SEI 789 distance=0' 20010+3346 SEI 785 distance=3' 20008+3337 SEI 784 distance=11' 20016+3358 SEI 794 distance=15' 20025+3341 HO 117AB distance=16' 20025+3341 BKO 520AC distance=16' 20023+3354 SEI 804 distance=16' 20022+3332 SEI 801 distance=18' 20026+3352 BKO 521AB distance=18' 20026+3352 BKO 521BC distance=18' 20027+3349 SEI 815AB distance=18' 20027+3349 SEI 816AC distance=18' 20027+3349 BKO 523AD distance=18' 20027+3340 WAK 13CD distance=19' 20027+3340 HO 118AB distance=19' 20027+3340 DAM 7AC distance=19' 20027+3355 BKO 522DE distance=20' 20027+3355 BKO 522AB distance=20' 20027+3355 BKO 522AD distance=20' 20027+3355 BKO 522BC distance=20' 20031+3343 SEI 818 distance=23' 20031+3350 SEI 819 distance=23' 19597+3359 FRT 2AB distance=25' 19597+3359 FRT 2AC distance=25' 19597+3359 FRT 2AD distance=25' 20020+3411 SEI 800 distance=27' 20032+3357 SEI 821 distance=27' 20024+3320 SEI 803 distance=29' 20033+3403 SEI 822 distance=31' 20016+3417 SEI 793 distance=32' 19596+3321 SEI 769 distance=33' 20039+3349 SEI 833 distance=34' 20005+3418 SEI 780 distance=35' 19596+3318 BEW 4 distance=35' 20037+3327 TDT1942 distance=35' 20039+3329 TDT1945 distance=37' 20030+3416 BKO 524 distance=38' 19583+3345 DAM 312BC distance=38' 19583+3345 ELS 8AB distance=38' 20021+3308 SEI 797 distance=39' 19582+3346 SEI 753 distance=39' 19583+3333 HO 582AB distance=40' 19583+3333 HO 582AC distance=40' 19583+3333 WAL 123AB,D distance=40' 20001+3423 HU 1308AB distance=41' 20001+3423 SCA 180AC distance=41' 20001+3423 SCA 180BC distance=41' 20013+3426 SEI 790 distance=41' 20031+3421 BKO 525 distance=42' 20032+3421 SEI 820 distance=42' 19579+3353 COU1805 distance=43' 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 20013+3346 SEI 789 347 16.9
Show 20010+3346 SEI 785 137 29.2 3
Show 20008+3337 SEI 784 159 23.5 11
Show 20016+3358 SEI 794 193 3.8 15
Show 20025+3341 HO 117 AB 314 5.2 16
Show 20025+3341 BKO 520 AC 24 6.5 16
Show 20023+3354 SEI 804 270 27.4 16
Show 20022+3332 SEI 801 107 7.9 18
Show 20026+3352 BKO 521 AB 34 10.5 18
Show 20026+3352 BKO 521 BC 57 5.1 18
Show 20027+3349 SEI 815 AB 358 19.4 18
Show 20027+3349 SEI 816 AC 113 20.6 18
Show 20027+3349 BKO 523 AD 341 5.0 18
Show 20027+3340 WAK 13 CD 6 2.9 19
Show 20027+3340 HO 118 AB 28 3.0 19
Show 20027+3340 DAM 7 AC 308 60.7 19
Show 20027+3355 BKO 522 DE 154 4.4 20
Show 20027+3355 BKO 522 AB 340 6.8 20
Show 20027+3355 BKO 522 AD 199 10.6 20
Show 20027+3355 BKO 522 BC 15 1.9 20
Show 20031+3343 SEI 818 207 15.1 23
Show 20031+3350 SEI 819 148 22.1 23
Show 19597+3359 FRT 2 AB 237 6.9 25
Show 19597+3359 FRT 2 AC 311 3.0 25
Show 19597+3359 FRT 2 AD 63 7.0 25
Show 20020+3411 SEI 800 350 24.9 27
Show 20032+3357 SEI 821 93 29.2 27
Show 20024+3320 SEI 803 272 22.6 29
Show 20033+3403 SEI 822 212 24.3 31
Show 20016+3417 SEI 793 27 4.0 32
Show 19596+3321 SEI 769 228 23.7 33
Show 20039+3349 SEI 833 146 6.0 34
Show 20005+3418 SEI 780 141 5.7 35
Show 19596+3318 BEW 4 203 18.0 35
Show 20037+3327 TDT1942 11 0.8 35
Show 20039+3329 TDT1945 114 1.3 37
Show 20030+3416 BKO 524 62 13.9 38
Show 19583+3345 DAM 312 BC 83 6.8 38
Show 19583+3345 ELS 8 AB 95 4.2 38
Show 20021+3308 SEI 797 86 25.7 39
Show 19582+3346 SEI 753 139 6.6 39
Show 19583+3333 HO 582 AB 314 0.6 40
Show 19583+3333 HO 582 AC 191 8.8 40
Show 19583+3333 WAL 123 AB,D 259 38.7 40
Show 20001+3423 HU 1308 AB 28 0.5 41
Show 20001+3423 SCA 180 AC 35 0.4 41
Show 20001+3423 SCA 180 BC 186 0.1 41
Show 20013+3426 SEI 790 116 24.9 41
Show 20031+3421 BKO 525 308 11.5 42
Show 20032+3421 SEI 820 91 10.8 42
Show 19579+3353 COU1805 64 0.3 43

 
 
WDS 20013+3346 : COMPONENTS
 
 
  A
B pa=349.4°
sep=16.74"
 
 
20013+3346 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200118.90+334526.5 Mag 10.69 Spectral class A5 (white)
PmRA 0.00 PmDE 4.0 Tycho2 2678-01670-1 HD 227138
Tycho2
Tycho2 2678-01670-1 Pflag RAmdeg 300.32878916 DEmdeg 33.75736073
PmRA 0.2 PmDE 3.0 E RAmdeg 25 E DEmdeg 25
E pmRA 1.5 E pmDE 1.6 EpRAm 1985.12 EpDEm 1985.79
Num 6 Q RAmdeg 1.6 Q DEmdeg 1.0 Q pmRA 1.7
Q pmDE 0.9 BTmag 11.044 E BTmag 0.046 VTmag 10.690
E VTmag 0.050 Prox 999 TYC T HIP
CCDM RAdeg 300.32879444 DEdeg 33.75735083 EpRA 1990 1.54
EpDE 1990 1.77 E RAdeg 31.4 E DEdeg 29.8 Posflg
Corr 0.1
 
 
20013+3346 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200118.65+334543.0 Mag 12.7 PmRA 1.00
PmDE -6.0 Calc delta mag 2.01 Calc coord yes