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Doubles in session


Current system
20031+3421
BKO 525


Nearby doubles
2' : 20032+3421
SEI 820

5' : 20030+3416
BKO 524

5' : 20034+3420
SEI 823

9' : 20025+3427
SEI 811

12' : 20034+3432
TDS1036

13' : 20041+3419
SEI 834

17' : 20020+3411
SEI 800

18' : 20043+3431
SEI 836

19' : 20016+3417
SEI 793

20' : 20033+3403
SEI 822

23' : 20013+3426
SEI 790

23' : 20016+3435
COU1947

25' : 20032+3357
SEI 821

25' : 20049+3431
BKO 526

27' : 20035+3448
SEI 824

27' : 20027+3355
BKO 522AB

29' : 20016+3358
SEI 794

30' : 20023+3354
SEI 804

31' : 20026+3352
BKO 521AB

32' : 20048+3359
SEI 841

32' : 20025+3450
SEI 812

32' : 20031+3350
SEI 819

34' : 20005+3418
SEI 780

34' : 20027+3349
SEI 815AB

34' : 20039+3349
SEI 833

36' : 20004+3434
SEI 779



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

20031+3421 BKO 525

 
 
20h 03m 03.20s +34° 21' 20.1" P.A. 308.00 sep 11.5 mag 12.40,13.20
 
 
Coord 2000 20031+3421 Discov num BKO 525 Comp Coord arcsec 2000 20 03 03.20 +34 21 20.1
Date first 1998 Date last 2015 Obs 8
Pa first 308 Pa last 307.5 P.A. Now (θ) 307.5°
Sep first 11.5 Sep last 11.527 Sep. Now (ρ) 11.527"
Mag pri 12.40 Mag sec 13.20 delta mag (ΔM) 0.8 Spectral class
Pri motion ra -002 Sec motion ra -006
Pri motion dec -006 Sec motion dec -005
Notes N (See Notes)
rPM=0.528
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Gaia DR2 2058478838893710592
 
 
WDS 20031+3421 BKO 525 : NOTES
 
 
discov_num notes refcode
BKO 525 Anon. 84. Bko2009d
 
 
REFERENCES
 
 
refcode metd author reference
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20031+3421 BKO 525 2008 1 308 11.5 12.40 13.20 N 200303.20+342120.1
20031+3421 BKO 525 2015 4 308 11.5 12.40 13.20 N 200303.20+342120.1

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

 
 
WDS 20031+3421 BKO 525 : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20031+3421 BKO 525 : MEASURES
 
 
No records found.

 
 
WDS 20031+3421 : VIRTUAL EYEPIECE
 
 

20031+3421 BKO 525A mag 12.4 20031+3421 BKO 525B sep 10.3 P.A. 312.90 mag 13.2 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 20031+3421 : ALADIN DSS IMAGE @ 20h 03m 03.20s +34° 21' 20.1"
 
 
 
 
WDS 20031+3421 BKO 525 : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20031+3421 BKO 525 distance=0' 20032+3421 SEI 820 distance=2' 20030+3416 BKO 524 distance=5' 20034+3420 SEI 823 distance=5' 20025+3427 SEI 811 distance=9' 20034+3432 TDS1036 distance=12' 20041+3419 SEI 834 distance=13' 20020+3411 SEI 800 distance=17' 20043+3431 SEI 836 distance=18' 20016+3417 SEI 793 distance=19' 20033+3403 SEI 822 distance=20' 20013+3426 SEI 790 distance=23' 20016+3435 COU1947 distance=23' 20032+3357 SEI 821 distance=25' 20049+3431 BKO 526 distance=25' 20027+3355 BKO 522BC distance=27' 20035+3448 SEI 824 distance=27' 20027+3355 BKO 522AB distance=27' 20027+3355 BKO 522AD distance=27' 20027+3355 BKO 522DE distance=27' 20016+3358 SEI 794 distance=29' 20023+3354 SEI 804 distance=30' 20026+3352 BKO 521BC distance=30' 20026+3352 BKO 521AB distance=31' 20048+3359 SEI 841 distance=32' 20025+3450 SEI 812 distance=32' 20031+3350 SEI 819 distance=32' 20005+3418 SEI 780 distance=34' 20027+3349 SEI 815AB distance=34' 20027+3349 SEI 816AC distance=34' 20027+3349 BKO 523AD distance=34' 20039+3349 SEI 833 distance=34' 20004+3434 SEI 779 distance=36' 20001+3423 HU 1308AB distance=37' 20001+3423 SCA 180AC distance=37' 20001+3423 SCA 180BC distance=37' 20015+3452 POP 63 distance=37' 20047+3451 POP 193 distance=37' 20002+3429 POP 61 distance=37' 20046+3455 SEI 838 distance=38' 20012+3451 SEI 788 distance=38' 20061+3417 GYL 88 distance=38' 20031+3343 SEI 818 distance=39' 20027+3340 WAK 13CD distance=41' 20025+3341 HO 117AB distance=41' 20025+3341 BKO 520AC distance=41' 20027+3340 HO 118AB distance=42' 20027+3340 DAM 7AC distance=42' 20047+3458 POP 64 distance=42' 20013+3346 SEI 789 distance=42' 19598+3432 LEP 168 distance=42' 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+3421 BKO 525 308 11.5
Show 20032+3421 SEI 820 91 10.8 2
Show 20030+3416 BKO 524 62 13.9 5
Show 20034+3420 SEI 823 232 17.2 5
Show 20025+3427 SEI 811 79 19.9 9
Show 20034+3432 TDS1036 4 1.2 12
Show 20041+3419 SEI 834 135 21.9 13
Show 20020+3411 SEI 800 350 24.9 17
Show 20043+3431 SEI 836 6 16.4 18
Show 20016+3417 SEI 793 27 4.0 19
Show 20033+3403 SEI 822 212 24.3 20
Show 20013+3426 SEI 790 116 24.9 23
Show 20016+3435 COU1947 91 0.3 23
Show 20032+3357 SEI 821 93 29.2 25
Show 20049+3431 BKO 526 41 10.8 25
Show 20027+3355 BKO 522 BC 15 1.9 27
Show 20035+3448 SEI 824 323 11.1 27
Show 20027+3355 BKO 522 AB 340 6.8 27
Show 20027+3355 BKO 522 AD 199 10.6 27
Show 20027+3355 BKO 522 DE 154 4.4 27
Show 20016+3358 SEI 794 193 3.8 29
Show 20023+3354 SEI 804 270 27.4 30
Show 20026+3352 BKO 521 BC 57 5.1 30
Show 20026+3352 BKO 521 AB 34 10.5 31
Show 20048+3359 SEI 841 307 26.7 32
Show 20025+3450 SEI 812 156 6.8 32
Show 20031+3350 SEI 819 148 22.1 32
Show 20005+3418 SEI 780 141 5.7 34
Show 20027+3349 SEI 815 AB 358 19.4 34
Show 20027+3349 SEI 816 AC 113 20.6 34
Show 20027+3349 BKO 523 AD 341 5.0 34
Show 20039+3349 SEI 833 146 6.0 34
Show 20004+3434 SEI 779 116 16.5 36
Show 20001+3423 HU 1308 AB 28 0.5 37
Show 20001+3423 SCA 180 AC 35 0.4 37
Show 20001+3423 SCA 180 BC 186 0.1 37
Show 20015+3452 POP 63 62 4.7 37
Show 20047+3451 POP 193 98 5.0 37
Show 20002+3429 POP 61 11 4.3 37
Show 20046+3455 SEI 838 205 27.3 38
Show 20012+3451 SEI 788 149 29.0 38
Show 20061+3417 GYL 88 152 9.9 38
Show 20031+3343 SEI 818 207 15.1 39
Show 20027+3340 WAK 13 CD 6 2.9 41
Show 20025+3341 HO 117 AB 314 5.2 41
Show 20025+3341 BKO 520 AC 24 6.5 41
Show 20027+3340 HO 118 AB 28 3.0 42
Show 20027+3340 DAM 7 AC 308 60.7 42
Show 20047+3458 POP 64 135 5.1 42
Show 20013+3346 SEI 789 347 16.9 42
Show 19598+3432 LEP 168 167 4.7 42

 
 
WDS 20031+3421 : COMPONENTS
 
 
  A
B pa=312.9°
sep=10.31"
 
 
20031+3421 A
 
 
Componente originario normalizzato AB Coord arcsec 2000 200303.20+342120.1 Mag 12.4 PmRA -2.00
PmDE -6.0
 
 
20031+3421 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 200302.59+342127.1 Mag 13.2 PmRA -6.00
PmDE -5.0 Calc delta mag 0.8 Calc coord yes