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Doubles in session


Current system
21065+4823
BU 836 AB


Nearby doubles
25' : 21089+4815
ARG 42AB

27' : 21055+4758
ES 816

29' : 21043+4806
ARN 51

31' : 21077+4851
ES 818AB

32' : 21097+4820
COU2545

33' : 21063+4751
BUP9010AB

36' : 21050+4855
CVE 25

36' : 21057+4748
BU 158AB

36' : 21100+4811
RAO 448

37' : 21102+4828
KPP4226

38' : 21103+4828
TOI1343

38' : 21050+4858
TDT2728

40' : 21072+4744
ES 817AB

43' : 21047+4902
HU 590

45' : 21066+4739
ES 32

51' : 21100+4901
HDS3016

52' : 21019+4802
COU2650

52' : 21100+4745
A 761

54' : 21092+4737
TDT2786

56' : 21119+4838
HJ 1624

57' : 21100+4908
FMR 233

58' : 21117+4849
COU2651

58' : 21119+4845
STJ 110

58' : 21105+4742
BU 159AB

63' : 21129+4820
HJ 1625

66' : 21077+4718
A 759



Selections
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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.

21065+4823 BU 836 AB

 
 
21h 06m 32.69s +48° 23' 12.4" P.A. 173.00 sep 0.8 mag 9.98,9.64 Sp A
 
 
Coord 2000 21065+4823 Discov num BU  836 Comp AB Coord arcsec 2000 21 06 32.69 +48 23 12.4
Date first 1881 Date last 2016 Obs 24
Pa first 191 Pa last 173.1 P.A. Now (θ) 173.1°
Sep first 0.6 Sep last 0.815 Sep. Now (ρ) 0.815"
Mag pri 9.98 Mag sec 9.64 delta mag (ΔM) 0.34 Spectral class A (white)
Pri motion ra +004 Sec motion ra +004
Pri motion dec -004 Sec motion dec -004
Notes
Nature of this double is uncertain.
 
 
21065+4823 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 50455 21 06 33 +48 23 12 BU 836 AB 2016 24 173 0.8 9.98 9.64 0.34 <===
Show HD 201231 50455 21 06 33 +48 23 12 BU 836 AB,C 2016 13 218 27.5 9.26 11.28 2.02
Show 21 06 31 +48 22 51 BU 836 CD 2016 10 61 1.4 11.28 12.30 1.02
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 50455 Tycho2 3592-05052-1 Gaia DR2 2165534536556332800
HD 201231
 
 
WDS 21065+4823 BU 836 AB : NOTES
 
 
No records found.

 
 
DISCOVERER
 
 
discov author
BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
21065+4823 BU 836 AB 1995 16 183 0.7 9.98 9.64 A +47 3291 210632.69+482312.4
21065+4823 BU 836 AB 2016 18 177 0.8 9.98 9.64 A +47 3291 210632.69+482312.4

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

 
 
WDS 21065+4823 BU 836 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21065+4823 BU 836 AB : MEASURES
 
 
No records found.

 
 
WDS 21065+4823 : VIRTUAL EYEPIECE
 
 

21065+4823 BU 836A mag 9.98 Sp A 21065+4823 BU 836B sep 0.8 P.A. 173.10 mag 9.64 21065+4823 BU 836C sep 27.5 P.A. 219.10 mag 11.28 21065+4823 BU 836D sep 26.2 P.A. 218.00 mag 12.3 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 21065+4823 : ALADIN DSS IMAGE @ 21h 06m 32.69s +48° 23' 12.4"
 
 
 
 
WDS 21065+4823 BU 836 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21065+4823 BU 836AB distance=0' 21065+4823 BU 836CD distance=1' 21089+4815 ARG 42AB distance=25' 21089+4815 ARG 42AC distance=25' 21089+4815 ARG 42BC distance=25' 21055+4758 ES 816 distance=27' 21043+4806 ARN 51 distance=29' 21077+4851 ES 818AB distance=31' 21077+4851 ES 818BC distance=31' 21097+4820 COU2545 distance=32' 21063+4751 BUP9010AB distance=33' 21063+4751 BUP9010AC distance=33' 21063+4751 BUP9010AD distance=33' 21050+4855 CVE 25 distance=36' 21057+4748 BU 158AB distance=36' 21100+4811 RAO 448 distance=36' 21102+4828 KPP4226 distance=37' 21103+4828 TOI1343 distance=38' 21050+4858 TDT2728 distance=38' 21072+4744 ES 817AB distance=40' 21072+4744 ES 817AC distance=40' 21072+4744 ES 817AD distance=40' 21047+4902 HU 590 distance=43' 21066+4739 ES 32 distance=45' 21100+4901 HDS3016 distance=51' 21019+4802 COU2650 distance=52' 21100+4745 A 761 distance=52' 21092+4737 TDT2786 distance=54' 21119+4838 HJ 1624 distance=56' 21100+4908 FMR 233 distance=57' 21117+4849 COU2651 distance=58' 21119+4845 STJ 110 distance=58' 21105+4742 BU 159AB distance=58' 21105+4742 STTA215AC distance=58' 21105+4742 BU 159AD distance=58' 21105+4742 LV 23AE distance=58' 21129+4820 HJ 1625 distance=63' 21077+4718 A 759 distance=66' 21001+4841 STT 425CD distance=67' 21001+4841 BU 1210AB distance=67' 21001+4841 STT 425AC distance=67' 21001+4841 STT 425AE distance=67' 21090+4716 ES 512AB distance=72' 21011+4738 RAO 446 distance=72' 21127+4900 COU2652 distance=72' 21016+4730 HDS2997 distance=73' 21068+4708 ES 1169 distance=76' 21005+4911 RAO 445 distance=77' 21009+4730 BU 1290BD distance=78' 21009+4730 BU 1290AB distance=78' 21009+4730 BU 1290AC distance=78' 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 21065+4823 BU 836 AB 173 0.8 0
Show 21065+4823 BU 836 AB,C 218 27.5 0
Show 21065+4823 BU 836 CD 61 1.4 1
Show 21089+4815 ARG 42 AB 60 21.0 25
Show 21089+4815 ARG 42 AC 333 41.8 25
Show 21089+4815 ARG 42 BC 306 45.9 25
Show 21055+4758 ES 816 36 2.6 27
Show 21043+4806 ARN 51 340 47.3 29
Show 21077+4851 ES 818 AB 39 48.6 31
Show 21077+4851 ES 818 BC 141 2.2 31
Show 21097+4820 COU2545 74 0.7 32
Show 21063+4751 BUP9010 AB 61 28.5 33
Show 21063+4751 BUP9010 AC 315 50.0 33
Show 21063+4751 BUP9010 AD 322 53.9 33
Show 21050+4855 CVE 25 157 6.7 36
Show 21057+4748 BU 158 AB 304 11.0 36
Show 21100+4811 RAO 448 3 3.5 36
Show 21102+4828 KPP4226 308 1.9 37
Show 21103+4828 TOI1343 334 0.5 38
Show 21050+4858 TDT2728 57 2.5 38
Show 21072+4744 ES 817 AB 350 10.0 40
Show 21072+4744 ES 817 AC 347 22.2 40
Show 21072+4744 ES 817 AD 85 23.7 40
Show 21047+4902 HU 590 91 0.1 43
Show 21066+4739 ES 32 159 15.7 45
Show 21100+4901 HDS3016 25 0.3 51
Show 21019+4802 COU2650 256 2.0 52
Show 21100+4745 A 761 56 0.4 52
Show 21092+4737 TDT2786 240 0.7 54
Show 21119+4838 HJ 1624 190 6.2 56
Show 21100+4908 FMR 233 255 8.7 57
Show 21117+4849 COU2651 13 0.9 58
Show 21119+4845 STJ 110 114 1.3 58
Show 21105+4742 BU 159 AB 313 1.2 58
Show 21105+4742 STTA215 AC 189 136.7 58
Show 21105+4742 BU 159 AD 145 14.8 58
Show 21105+4742 LV 23 AE 338 46.8 58
Show 21129+4820 HJ 1625 71 11.8 63
Show 21077+4718 A 759 24 4.1 66
Show 21001+4841 STT 425 CD 132 4.3 67
Show 21001+4841 BU 1210 AB 119 2.4 67
Show 21001+4841 STT 425 AC 27 18.2 67
Show 21001+4841 STT 425 AE 15 45.4 67
Show 21090+4716 ES 512 AB 1 13.4 72
Show 21011+4738 RAO 446 338 1.7 72
Show 21127+4900 COU2652 339 0.7 72
Show 21016+4730 HDS2997 232 1.9 73
Show 21068+4708 ES 1169 89 4.8 76
Show 21005+4911 RAO 445 121 0.9 77
Show 21009+4730 BU 1290 BD 22 2.5 78
Show 21009+4730 BU 1290 AB 35 9.3 78

 
 
WDS 21065+4823 : COMPONENTS
 
 
  A B C
B pa=173.1°
sep=0.81"
 
C pa=219.1°
sep=27.46"
pa=220.4°
sep=26.90"
 
D pa=218.0°
sep=26.17"
pa=219.3°
sep=25.60"
pa=61.2°
sep=1.40"
 
 
21065+4823 A
 
 
Coord arcsec 2000 210632.69+482312.4 Mag 9.98 Spectral class A (white) PmRA 4.00
PmDE -4.0
CCDM
Ccdm 21065+4823 RComp Comp A Note1
Note2 Discov num DRAs 2.58 DDEs 13.3
R dRAs 10 Year Theta Rho
Obs 4 Vmag 9.7 Sp A PmNote *
PmRA -5 PmDE 4 Dm number +47 3291 Cat1 BD
Name2 +48 1705 Cat2 AGK2/3 HD 201231 M HD
ADS BDS A14647 M ADS BDS N IDS IDS 21031N4759A
HIC
 
 
21065+4823 B
 
 
Coord arcsec 2000 210632.70+482311.6 Mag 9.64 PmRA 4.00 PmDE -4.0
SAO 50455 Tycho2 3592-05052-1 HD 201231 DM BD+47 3291
Delta magnitude 0.34 Coordinate calculated yes
Tycho2
Tycho2 3592-05052-1 Pflag RAmdeg 316.63624017 DEmdeg 48.38678930
PmRA 4.2 PmDE -4.4 E RAmdeg 10 E DEmdeg 10
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.09 EpDEm 1991.02
Num 6 Q RAmdeg 1.6 Q DEmdeg 1.6 Q pmRA 1.6
Q pmDE 1.6 BTmag 9.366 E BTmag 0.020 VTmag 9.255
E VTmag 0.018 Prox 275 TYC T HIP
CCDM RAdeg 316.63622583 DEdeg 48.38679917 EpRA 1990 1.83
EpDE 1990 1.77 E RAdeg 9.7 E DEdeg 10.3 Posflg P
Corr 0.0
SAO
SAO 50455 DelFlag RA1950 PmRA1950 0.0059
DE1950 PmDE1950 0.001 Vmag 8.8 SpType A
Double code Source 3 CatNum 1705 DM BD+47 3291
DMcomp BDsup HD 201231 M HD 0
GC RA1950rad 5.51892693 DE1950rad 0.84099093 PmRA2000 0.0063
PmDE2000 -0.002
CCDM
Ccdm 21065+4823 RComp Comp B Note1
Note2 Discov num BU 836 DRAs DDEs
R dRAs Year 1881 Theta 182 Rho 0.6
Obs 7 Vmag 9.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14647 M ADS BDS N IDS IDS 21031N4759B
HIC
 
 
21065+4823 C
 
 
Coord arcsec 2000 210630.95+482251.1 Coord calc 210630.95+482251.1 Mag 11.28 PmRA -1.00
PmDE 0.0 Delta magnitude 1.3
CCDM
Ccdm 21065+4823 RComp Comp C Note1
Note2 Discov num BU 836 DRAs DDEs
R dRAs Year 1881 Theta 219 Rho 27.4
Obs 6 Vmag 10.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14647 M ADS BDS N IDS IDS 21031N4759C
HIC
 
 
21065+4823 D
 
 
Coord arcsec 2000 210631.07+482251.8 Mag 12.3 Delta magnitude 2.32 Coordinate calculated yes
CCDM
Ccdm 21065+4823 RComp C Comp D Note1
Note2 Discov num BU 836 DRAs DDEs
R dRAs Year 1889 Theta 065 Rho 1.3
Obs 4 Vmag 11.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14647 M ADS BDS N IDS IDS 21031N4759D
HIC