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Doubles in session


Current system
20072+3531
BKO 90 AC


Nearby doubles
4' : 20073+3534
ES 2248AB

6' : 20075+3535
COU2126

8' : 20074+3537
ALI 181

11' : 20077+3523
BKO 93AB

12' : 20079+3522
ALI 182AB

13' : 20074+3543
STT 398AB

13' : 20063+3535
SEI 873AB

13' : 20078+3520
SEI 901AB

14' : 20063+3538
SEI 871AB

14' : 20080+3521
SEI 907

15' : 20069+3545
SEI 886AB

15' : 20084+3528
ES 203

15' : 20062+3523
MZA 38

16' : 20069+3546
SEI 885

16' : 20066+3544
RAO 518

16' : 20064+3543
SEI 877AB

17' : 20062+3520
TDT1981

17' : 20086+3529
TDS1046

19' : 20062+3544
SEI 867AB

19' : 20087+3525
SEI 915

20' : 20083+3519
COU2127

20' : 20057+3536
SHJ 316AB

20' : 20059+3542
SEI 854

21' : 20058+3520
SEI 851

21' : 20089+3531
SEI 917

21' : 20060+3546
ES 25AB



Selections
Full WDS
Binocular doubles
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.

20072+3531 BKO 90 AC

 
 
20h 07m 12.14s +35° 31' 02.9" P.A. 52.00 sep 13.8 mag 11.39,15.10 Sp B5
 
 
Coord 2000 20072+3531 Discov num BKO  90 Comp AC Coord arcsec 2000 20 07 12.14 +35 31 02.9
Date first 1998 Date last 2015 Obs 8
Pa first 53 Pa last 52.2 P.A. Now (θ) 52.2°
Sep first 13.8 Sep last 13.804 Sep. Now (ρ) 13.804"
Mag pri 11.39 Mag sec 15.10 delta mag (ΔM) 3.71 Spectral class B5 (blue-white)
Pri motion ra -004 Sec motion ra
Pri motion dec -006 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20072+3531 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 20 07 12 +35 31 03 SEI 890 AB 2015 10 94 15.3 11.39 12.50 1.11
Show 20 07 12 +35 31 03 BKO 90 AC 2015 8 52 13.8 11.39 15.10 3.71 <===
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus Tycho2 2679-00745-1 Gaia DR2 2059018836539959296
 
 
WDS 20072+3531 BKO 90 AC : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Bko2002 C - Ladanyi, T. & Berko, E. ...................
Bko2002 Webb Soc., Double Star Circ. 10, 2002
Bko2003 C u Ladanyi, T., Berko, E. & Vaskuti, G ...................
Bko2003 Webb Soc., Double Star Circ. 11, 2003
Bko2004 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2004 Webb Soc., Double Star Circ. 12, 2004
Bko2005 C u Berko, E., Ladanyi, T. & Vaskuti, G ...................
Bko2005 Webb Soc., Double Star Circ. 13, 2005
Bko2008 C u Berko, E. & Vaskuti, G. ...................
Bko2008 Webb Soc., Double Star Circ. 16, 2008
Bko2008b C u Berko, E. 2008JDSO....4..144B
Bko2008b JDSO 4, 144, 2008
Bko2009 C u Berko, E. 2009JDSO....5...49B
Bko2009 JDSO 5, 49, 2009
Bko2009b C u Berko, E. 2009JDSO....5..168B
Bko2009b JDSO 5, 168, 2009
Bko2009c C u Berko, E. ...................
Bko2009c Webb Soc., Double Star Circ. 17, 2009
Bko2009d C u Berko, E. 2009JDSO....5..189B
Bko2009d JDSO 5, 189, 2009
Bko2010a C u Berko, E. 2010JDSO....6...21B
Bko2010a JDSO 6, 21, 2010
Bko2010b C u Berko, E. ...................
Bko2010b Webb Soc., Double Star Circ. 18, 2010
Bko2011a C u Berko, E. 2011JDSO....7....2B
Bko2011a JDSO 7, 2, 2011
Bko2011b C u Berko, E. ...................
Bko2011b Webb Soc., Double Star Circ. 19, 29, 2011 (BKO 898 - BKO 980)
Bko2011c C u Berko, E. ...................
Bko2011c Webb Soc., Double Star Circ. 19, 42, 2011 (BKO 981 - BKO1042)
Bko2012 C u Berko, E. ...................
Bko2012 Webb Soc., Double Star Circ. 20, 2012
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
20072+3531 BKO 90 AC 2002 2 52 13.5 11.39 15.10 D 200712.14+353102.9
20072+3531 BKO 90 AC 2015 4 52 13.8 11.39 15.10 B5 200712.14+353102.9

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

 
 
WDS 20072+3531 BKO 90 AC : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 20072+3531 BKO 90 AC : MEASURES
 
 
No records found.

 
 
WDS 20072+3531 : VIRTUAL EYEPIECE
 
 

20072+3531 SEI 890A mag 11.39 Sp B5 20072+3531 SEI 890B sep 12.4 P.A. 95.20 mag 12.5 20072+3531 BKO 90C sep 12.3 P.A. 46.40 mag 15.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 20072+3531 : ALADIN DSS IMAGE @ 20h 07m 12.14s +35° 31' 02.9"
 
 
 
 
WDS 20072+3531 BKO 90 AC : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

20072+3531 BKO 90AC distance=0' 20073+3534 COU2125Aa,Ab distance=4' 20073+3534 ES 2248AB distance=4' 20073+3534 ES 2248AC distance=4' 20073+3534 SEI 893CD distance=4' 20075+3535 COU2126 distance=6' 20074+3537 ALI 181 distance=8' 20077+3523 BKO 93AB distance=11' 20077+3523 BKO 93AC distance=11' 20063+3535 BKO 83EF distance=12' 20079+3522 ALI 182AB distance=12' 20079+3522 BKO 95AC distance=12' 20074+3543 STT 398AB distance=13' 20074+3543 A 280AC distance=13' 20063+3535 SEI 873AB distance=13' 20063+3535 BKO 83AC distance=13' 20063+3535 BKO 83AE distance=13' 20063+3535 BKO 83AG distance=13' 20063+3535 BKO 83AI distance=13' 20063+3535 TOI1335Aa,Ab distance=13' 20078+3520 SEI 901AB distance=13' 20078+3520 BKO 94BC distance=13' 20063+3535 BKO 83CD distance=13' 20063+3538 SEI 871AB distance=14' 20063+3538 SEI 872AC distance=14' 20063+3535 BKO 83GH distance=14' 20080+3521 SEI 907 distance=14' 20069+3545 BKO 88BD distance=15' 20069+3545 SEI 886AB distance=15' 20069+3545 BKO 88AC distance=15' 20069+3545 BKO 88AE distance=15' 20084+3528 ES 203 distance=15' 20062+3523 MZA 38 distance=15' 20069+3545 BKO 88EF distance=15' 20069+3545 BKO 88EG distance=15' 20069+3546 SEI 885 distance=16' 20066+3544 RAO 518 distance=16' 20064+3543 SEI 877AB distance=16' 20064+3543 BKO 84AC distance=16' 20062+3520 TDT1981 distance=17' 20086+3529 TDS1046 distance=17' 20062+3544 SEI 867AB distance=19' 20062+3544 BKO 82AC distance=19' 20062+3544 BKO 82AD distance=19' 20087+3525 SEI 915 distance=19' 20083+3519 COU2127 distance=20' 20057+3536 SHJ 316AB distance=20' 20059+3542 SEI 854 distance=20' 20060+3546 SEI 865EG distance=21' 20058+3520 SEI 851 distance=21' 20057+3536 ES 24BC distance=21' 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 20072+3531 SEI 890 AB 94 15.3
Show 20072+3531 BKO 90 AC 52 13.8
Show 20073+3534 COU2125 Aa,Ab 69 0.1 4
Show 20073+3534 ES 2248 AB 30 5.9 4
Show 20073+3534 ES 2248 AC 222 50.6 4
Show 20073+3534 SEI 893 CD 119 27.4 4
Show 20075+3535 COU2126 158 0.7 6
Show 20074+3537 ALI 181 219 14.6 8
Show 20077+3523 BKO 93 AB 75 3.5 11
Show 20077+3523 BKO 93 AC 223 6.5 11
Show 20063+3535 BKO 83 EF 228 7.5 12
Show 20079+3522 ALI 182 AB 358 9.4 12
Show 20079+3522 BKO 95 AC 36 7.5 12
Show 20074+3543 STT 398 AB 82 1.0 13
Show 20074+3543 A 280 AC 133 5.7 13
Show 20063+3535 SEI 873 AB 335 9.1 13
Show 20063+3535 BKO 83 AC 285 43.5 13
Show 20063+3535 BKO 83 AE 151 52.0 13
Show 20063+3535 BKO 83 AG 240 136.8 13
Show 20063+3535 BKO 83 AI 257 87.2 13
Show 20063+3535 TOI1335 Aa,Ab 304 0.1 13
Show 20078+3520 SEI 901 AB 86 15.6 13
Show 20078+3520 BKO 94 BC 46 13.5 13
Show 20063+3535 BKO 83 CD 119 6.6 13
Show 20063+3538 SEI 871 AB 172 11.5 14
Show 20063+3538 SEI 872 AC 56 29.1 14
Show 20063+3535 BKO 83 GH 227 3.4 14
Show 20080+3521 SEI 907 204 21.2 14
Show 20069+3545 BKO 88 BD 251 8.9 15
Show 20069+3545 SEI 886 AB 123 27.2 15
Show 20069+3545 BKO 88 AC 167 4.2 15
Show 20069+3545 BKO 88 AE 38 43.7 15
Show 20084+3528 ES 203 130 6.1 15
Show 20062+3523 MZA 38 145 1.1 15
Show 20069+3545 BKO 88 EF 261 6.4 15
Show 20069+3545 BKO 88 EG 302 6.0 15
Show 20069+3546 SEI 885 285 14.1 16
Show 20066+3544 RAO 518 -1 0.2 16
Show 20064+3543 SEI 877 AB 46 12.9 16
Show 20064+3543 BKO 84 AC 20 5.8 16
Show 20062+3520 TDT1981 3 0.5 17
Show 20086+3529 TDS1046 341 1.2 17
Show 20062+3544 SEI 867 AB 244 12.9 19
Show 20062+3544 BKO 82 AC 33 6.9 19
Show 20062+3544 BKO 82 AD 295 13.0 19
Show 20087+3525 SEI 915 230 29.0 19
Show 20083+3519 COU2127 227 0.2 20
Show 20057+3536 SHJ 316 AB 323 69.4 20
Show 20059+3542 SEI 854 108 13.0 20
Show 20060+3546 SEI 865 EG 196 14.5 21
Show 20058+3520 SEI 851 161 27.2 21

 
 
WDS 20072+3531 : COMPONENTS
 
 
  A B
B pa=95.2°
sep=12.44"
 
C pa=46.4°
sep=12.26"
pa=339.9°
sep=10.20"
 
 
20072+3531 A
 
 
Coord arcsec 2000 200712.14+353102.9 Mag 11.39 Spectral class B5 (blue-white) PmRA -4.00
PmDE -6.0 Tycho2 2679-00745-1
Tycho2
Tycho2 2679-00745-1 Pflag RAmdeg 301.80058668 DEmdeg 35.51747912
PmRA -6.3 PmDE -3.9 E RAmdeg 59 E DEmdeg 52
E pmRA 2.0 E pmDE 1.9 EpRAm 1979.24 EpDEm 1981.54
Num 5 Q RAmdeg 0.4 Q DEmdeg 1.1 Q pmRA 0.4
Q pmDE 1.1 BTmag 11.789 E BTmag 0.088 VTmag 11.390
E VTmag 0.101 Prox 999 TYC HIP
CCDM RAdeg 301.80060611 DEdeg 35.51749028 EpRA 1990 1.55
EpDE 1990 1.73 E RAdeg 63.6 E DEdeg 56.1 Posflg
Corr 0.1
CCDM
Ccdm 20072+3531 RComp Comp A Note1
Note2 Discov num DRAs 0.20 DDEs 2.9
R dRAs 65 Year Theta Rho
Obs 2 Vmag 10.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20034N3514A
HIC
 
 
20072+3531 B
 
 
Coord arcsec 2000 200713.15+353101.8 Mag 12.5 PmRA 0.00 PmDE 10.0
Calc delta mag 1.11 Calc coord yes
CCDM
Ccdm 20072+3531 RComp Comp B Note1
Note2 Discov num SEI 890 DRAs 1.44 DDEs 1.2
R dRAs 65 Year 1896 Theta 099 Rho 15.1
Obs 2 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 20034N3514B
HIC
 
 
20072+3531 C
 
 
Coord arcsec 2000 200712.87+353111.4 Mag 15.1 Calc delta mag 3.71 Calc coord yes