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Doubles in session


Current system
20025+3427
SEI 811


Nearby doubles
9' : 20031+3421
BKO 525

11' : 20032+3421
SEI 820

13' : 20030+3416
BKO 524

13' : 20034+3432
TDS1036

14' : 20034+3420
SEI 823

14' : 20016+3435
COU1947

15' : 20013+3426
SEI 790

16' : 20016+3417
SEI 793

18' : 20020+3411
SEI 800

22' : 20041+3419
SEI 834

23' : 20043+3431
SEI 836

25' : 20035+3448
SEI 824

26' : 20025+3450
SEI 812

27' : 20033+3403
SEI 822

27' : 20004+3434
SEI 779

28' : 20005+3418
SEI 780

28' : 20015+3452
POP 63

29' : 20002+3429
POP 61

30' : 20012+3451
SEI 788

30' : 20001+3423
HU 1308AB

30' : 20016+3358
SEI 794

31' : 20049+3431
BKO 526

32' : 20032+3357
SEI 821

32' : 20027+3355
BKO 522AB

34' : 20023+3354
SEI 804

34' : 19598+3432
LEP 168



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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

20025+3427 SEI 811

 
 
20h 02m 28.64s +34° 26' 48.1" P.A. 79.00 sep 19.9 mag 12.05,12.15
 
 
Coord 2000 20025+3427 Discov num SEI 811 Comp Coord arcsec 2000 20 02 28.64 +34 26 48.1
Date first 1894 Date last 2015 Obs 13
Pa first 80 Pa last 78.9 P.A. Now (θ) 78.9°
Sep first 20.0 Sep last 19.94 Sep. Now (ρ) 19.94"
Mag pri 12.05 Mag sec 12.15 delta mag (ΔM) 0.1 Spectral class
Pri motion ra -001 Sec motion ra +000
Pri motion dec -004 Sec motion dec -004
Notes
rPM=0.243 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2678-02097-1 Gaia DR2 2058494846206889472
 
 
WDS 20025+3427 SEI 811 : 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
20025+3427 SEI 811 1998 5 79 20.0 12.09 12.45 D 200228.64+342648.1
20025+3427 SEI 811 2008 6 80 20.2 12.09 12.45 D 200228.64+342648.1
20025+3427 SEI 811 2010 8 79 19.9 12.05 12.15 200228.64+342648.1
20025+3427 SEI 811 2015 9 79 19.9 12.05 12.15 200228.64+342648.1

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

 
 
WDS 20025+3427 SEI 811 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20025+3427 SEI 811 : MEASURES
 
 
No records found.

 
 
WDS 20025+3427 : VIRTUAL EYEPIECE
 
 

20025+3427 SEI 811A mag 12.05 20025+3427 SEI 811B sep 16.6 P.A. 76.60 mag 12.15 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20025+3427 : ALADIN DSS IMAGE @ 20h 02m 28.64s +34° 26' 48.1"
 
 
 
 
WDS 20025+3427 SEI 811 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20025+3427 SEI 811 distance=0' 20031+3421 BKO 525 distance=9' 20032+3421 SEI 820 distance=11' 20030+3416 BKO 524 distance=13' 20034+3432 TDS1036 distance=13' 20034+3420 SEI 823 distance=14' 20016+3435 COU1947 distance=14' 20013+3426 SEI 790 distance=15' 20016+3417 SEI 793 distance=16' 20020+3411 SEI 800 distance=18' 20041+3419 SEI 834 distance=22' 20043+3431 SEI 836 distance=23' 20035+3448 SEI 824 distance=25' 20025+3450 SEI 812 distance=26' 20033+3403 SEI 822 distance=27' 20004+3434 SEI 779 distance=27' 20005+3418 SEI 780 distance=28' 20015+3452 POP 63 distance=28' 20002+3429 POP 61 distance=29' 20012+3451 SEI 788 distance=30' 20001+3423 HU 1308AB distance=30' 20001+3423 SCA 180AC distance=30' 20001+3423 SCA 180BC distance=30' 20016+3358 SEI 794 distance=30' 20049+3431 BKO 526 distance=31' 20032+3357 SEI 821 distance=32' 20027+3355 BKO 522BC distance=32' 20027+3355 BKO 522AB distance=32' 20027+3355 BKO 522AD distance=32' 20027+3355 BKO 522DE distance=32' 20023+3354 SEI 804 distance=34' 19598+3432 LEP 168 distance=34' 20026+3352 BKO 521BC distance=35' 20026+3352 BKO 521AB distance=36' 20047+3451 POP 193 distance=37' 20046+3455 SEI 838 distance=37' 20031+3350 SEI 819 distance=39' 20027+3349 SEI 815AB distance=39' 20027+3349 SEI 816AC distance=39' 20027+3349 BKO 523AD distance=39' 20048+3359 SEI 841 distance=41' 20047+3458 POP 64 distance=42' 20039+3349 SEI 833 distance=42' 20002+3459 SEI 776 distance=43' 20013+3346 SEI 789 distance=44' 19597+3359 FRT 2AB distance=44' 19597+3359 FRT 2AC distance=44' 19597+3359 FRT 2AD distance=44' 20031+3343 SEI 818 distance=45' 20010+3346 SEI 785 distance=45' 20061+3417 GYL 88 distance=46' 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 20025+3427 SEI 811 79 19.9
Show 20031+3421 BKO 525 308 11.5 9
Show 20032+3421 SEI 820 91 10.8 11
Show 20030+3416 BKO 524 62 13.9 13
Show 20034+3432 TDS1036 4 1.2 13
Show 20034+3420 SEI 823 232 17.2 14
Show 20016+3435 COU1947 91 0.3 14
Show 20013+3426 SEI 790 116 24.9 15
Show 20016+3417 SEI 793 27 4.0 16
Show 20020+3411 SEI 800 350 24.9 18
Show 20041+3419 SEI 834 135 21.9 22
Show 20043+3431 SEI 836 6 16.4 23
Show 20035+3448 SEI 824 323 11.1 25
Show 20025+3450 SEI 812 156 6.8 26
Show 20033+3403 SEI 822 212 24.3 27
Show 20004+3434 SEI 779 116 16.5 27
Show 20005+3418 SEI 780 141 5.7 28
Show 20015+3452 POP 63 62 4.7 28
Show 20002+3429 POP 61 11 4.3 29
Show 20012+3451 SEI 788 149 29.0 30
Show 20001+3423 HU 1308 AB 28 0.5 30
Show 20001+3423 SCA 180 AC 35 0.4 30
Show 20001+3423 SCA 180 BC 186 0.1 30
Show 20016+3358 SEI 794 193 3.8 30
Show 20049+3431 BKO 526 41 10.8 31
Show 20032+3357 SEI 821 93 29.2 32
Show 20027+3355 BKO 522 BC 15 1.9 32
Show 20027+3355 BKO 522 AB 340 6.8 32
Show 20027+3355 BKO 522 AD 199 10.6 32
Show 20027+3355 BKO 522 DE 154 4.4 32
Show 20023+3354 SEI 804 270 27.4 34
Show 19598+3432 LEP 168 167 4.7 34
Show 20026+3352 BKO 521 BC 57 5.1 35
Show 20026+3352 BKO 521 AB 34 10.5 36
Show 20047+3451 POP 193 98 5.0 37
Show 20046+3455 SEI 838 205 27.3 37
Show 20031+3350 SEI 819 148 22.1 39
Show 20027+3349 SEI 815 AB 358 19.4 39
Show 20027+3349 SEI 816 AC 113 20.6 39
Show 20027+3349 BKO 523 AD 341 5.0 39
Show 20048+3359 SEI 841 307 26.7 41
Show 20047+3458 POP 64 135 5.1 42
Show 20039+3349 SEI 833 146 6.0 42
Show 20002+3459 SEI 776 156 13.4 43
Show 20013+3346 SEI 789 347 16.9 44
Show 19597+3359 FRT 2 AB 237 6.9 44
Show 19597+3359 FRT 2 AC 311 3.0 44
Show 19597+3359 FRT 2 AD 63 7.0 44
Show 20031+3343 SEI 818 207 15.1 45
Show 20010+3346 SEI 785 137 29.2 45
Show 20061+3417 GYL 88 152 9.9 46

 
 
WDS 20025+3427 : COMPONENTS
 
 
  A
B pa=76.6°
sep=16.59"
 
 
20025+3427 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200228.64+342648.1 Mag 12.05 PmRA -1.00
PmDE -4.0 Tycho2 2678-02097-1
Tycho2
Tycho2 2678-02097-1 Pflag RAmdeg 300.61932352 DEmdeg 34.44670759
PmRA 3.8 PmDE -4.8 E RAmdeg 73 E DEmdeg 66
E pmRA 2.1 E pmDE 2.0 EpRAm 1973.08 EpDEm 1976.73
Num 5 Q RAmdeg 0.9 Q DEmdeg 0.7 Q pmRA 0.9
Q pmDE 0.7 BTmag 12.245 E BTmag 0.141 VTmag 12.092
E VTmag 0.170 Prox 200 TYC HIP
CCDM RAdeg 300.61930861 DEdeg 34.44671889 EpRA 1990 1.52
EpDE 1990 1.74 E RAdeg 82.7 E DEdeg 72.5 Posflg
Corr 0.2
CCDM
Ccdm 20025+3427 RComp Comp A Note1
Note2 Discov num DRAs -1.32 DDEs -11.4
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 19587N3410A
HIC
 
 
20025+3427 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200229.94+342651.9 Mag 12.15 PmRA 0.00
PmDE -4.0 Tycho2 2678-01267-1 Calc delta mag 0.1 Calc coord yes
Tycho2
Tycho2 2678-01267-1 Pflag RAmdeg 300.62590644 DEmdeg 34.44783511
PmRA 0.9 PmDE -1.6 E RAmdeg 81 E DEmdeg 74
E pmRA 2.8 E pmDE 2.7 EpRAm 1977.93 EpDEm 1981.15
Num 4 Q RAmdeg 1.4 Q DEmdeg 1.5 Q pmRA 1.4
Q pmDE 1.5 BTmag 12.489 E BTmag 0.181 VTmag 12.452
E VTmag 0.200 Prox 200 TYC HIP
CCDM RAdeg 300.62590111 DEdeg 34.44784222 EpRA 1990 1.55
EpDE 1990 1.74 E RAdeg 91.0 E DEdeg 79.9 Posflg
Corr 0.2
CCDM
Ccdm 20025+3427 RComp Comp B Note1
Note2 Discov num SEI 811 DRAs 0.25 DDEs -7.8
R dRAs 65 Year 1894 Theta 080 Rho 20.0
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 19587N3410B
HIC