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Doubles in session


Current system
21225+4929
HDS 3043
HD 203746


Nearby doubles
14' : 21238+4926
HJ 1643

19' : 21207+4923
ES 820AB

23' : 21203+4921
BU 839AB

26' : 21249+4919
ES 2710

33' : 21196+4913
YR 29

34' : 21212+5001
KPP4235AB

41' : 21260+4950
HDS3051

41' : 21183+4934
COU2654

41' : 21265+4917
ES 823

43' : 21264+4911
ES 822

44' : 21260+4905
ES 821

50' : 21182+4956
HU 692

51' : 21248+5015
HJ 1645

54' : 21279+4938
KPP2392

59' : 21231+4831
HDS3045

63' : 21235+5031
HLD 44

65' : 21287+4952
STF2800

66' : 21173+5011
TDT2885

67' : 21246+5033
TDT2947

77' : 21254+4818
ES 1102AB

77' : 21148+4946
COU2653

77' : 21304+4926
TDT3002

78' : 21190+5039
ES 1004

80' : 21296+5010
KPP 877

81' : 21142+4930
ES 819

86' : 21195+5048
ES 1005AB



Selections
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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.

21225+4929 HDS 3043 (HD 203746)

 
 
21h 22m 28.95s +49° 29' 29.1" P.A. 113.00 sep 0.2 mag 6.99,9.30 Sp B9 dist. 261.1 pc (851.71 l.y.)
 
 
Coord 2000 21225+4929 Discov num HDS3043 Comp Coord arcsec 2000 21 22 28.95 +49 29 29.1
Date first 1991 Date last 1991 Obs 1
Pa first 113 Pa last 113 P.A. Now (θ) 113°
Sep first 0.2 Sep last 0.196 Sep. Now (ρ) 0.196"
Mag pri 6.99 Mag sec 9.30 delta mag (ΔM) 2.31 Spectral class B9 (blue-white)
Pri motion ra +012 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203746 Constellation Cygnus SAO 50768 HIP 105540
Tycho2 3597-01298-1 Gaia DR2 2171048660393942016 HD 203746 GC 29938
BD BD+48 3360 Distance 261.1 Distance ly 851.71
 
 
WDS 21225+4929 HDS 3043 (HD 203746) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21225+4929 HDS3043 1991 1 113 0.2 6.99 9.30 B9 212228.95+492929.1
21225+4929 HDS3043 2003 2 104 0.3 6.99 9.30 B9 212228.95+492929.1

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

 
 
WDS 21225+4929 HDS 3043 (HD 203746) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21225+4929 HDS 3043 (HD 203746) : MEASURES
 
 
No records found.

 
 
WDS 21225+4929 (HD 203746) : VIRTUAL EYEPIECE
 
 

21225+4929 HDS3043A mag 6.99 Sp B9 21225+4929 HDS3043B sep 0.1 P.A. 123.20 mag 9.3 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 21225+4929 (HD 203746) : ALADIN DSS IMAGE @ 21h 22m 28.95s +49° 29' 29.1"
 
 
 
 
WDS 21225+4929 HDS 3043 (HD 203746) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21225+4929 HDS3043 distance=0' 21238+4926 HJ 1643 distance=14' 21207+4923 ES 820BC distance=18' 21207+4923 ES 820AB distance=19' 21203+4921 BU 839AC distance=23' 21203+4921 BU 839AB distance=23' 21203+4921 BU 839CB distance=24' 21249+4919 ES 2710 distance=26' 21196+4913 YR 29 distance=33' 21212+5001 KPP4235AB distance=34' 21260+4950 HDS3051 distance=41' 21183+4934 COU2654 distance=41' 21265+4917 ES 823 distance=41' 21264+4911 ES 822 distance=43' 21260+4905 ES 821 distance=44' 21182+4956 HU 692 distance=50' 21248+5015 HJ 1645 distance=51' 21279+4938 KPP2392 distance=54' 21231+4831 HDS3045 distance=59' 21235+5031 HLD 44 distance=63' 21287+4952 STF2800 distance=65' 21173+5011 TDT2885 distance=66' 21246+5033 TDT2947 distance=67' 21254+4818 ES 1102AB distance=77' 21148+4946 COU2653 distance=77' 21254+4818 CRB 7Ca,Cb distance=77' 21254+4818 ES 1102CD distance=77' 21254+4818 ES 1102BC distance=77' 21304+4926 TDT3002 distance=77' 21190+5039 ES 1004 distance=78' 21296+5010 KPP 877 distance=80' 21142+4930 ES 819 distance=81' 21195+5048 ES 1005BC distance=85' 21195+5048 ES 1005AB distance=86' 21300+4848 SWN 2 distance=86' 21295+4836 SWN 1 distance=88' 21212+4804 ES 678 distance=88' 21306+4852 OSO 148AB distance=89' 21306+4852 OSO 148AC distance=89' 21306+4852 OSO 148AD distance=89' 21157+4832 HDS3024 distance=89' 21242+4801 SKF2397 distance=91' 21144+5015 SKF 393 distance=91' 21246+4801 HJ 1644AB distance=92' 21246+4801 HJ 1644AC distance=92' 21311+5008 HU 593 distance=92' 21314+4853 SWN 4 distance=95' 21304+4832 SWN 3 distance=97' 21127+4900 COU2652 distance=101' 21184+4802 HJ 1633 distance=101' 21288+4809 HJ 1651 distance=102' 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 21225+4929 HDS3043 113 0.2
Show 21238+4926 HJ 1643 23 27.7 14
Show 21207+4923 ES 820 BC 293 3.7 18
Show 21207+4923 ES 820 AB 60 35.5 19
Show 21203+4921 BU 839 AC 200 22.5 23
Show 21203+4921 BU 839 AB 207 14.5 23
Show 21203+4921 BU 839 CB 7 8.1 24
Show 21249+4919 ES 2710 157 20.1 26
Show 21196+4913 YR 29 124 0.2 33
Show 21212+5001 KPP4235 AB 90 2.8 34
Show 21260+4950 HDS3051 213 0.2 41
Show 21183+4934 COU2654 227 1.1 41
Show 21265+4917 ES 823 280 11.1 41
Show 21264+4911 ES 822 24 1.4 43
Show 21260+4905 ES 821 276 7.0 44
Show 21182+4956 HU 692 259 0.4 50
Show 21248+5015 HJ 1645 36 8.1 51
Show 21279+4938 KPP2392 33 20.6 54
Show 21231+4831 HDS3045 63 0.1 59
Show 21235+5031 HLD 44 258 2.1 63
Show 21287+4952 STF2800 254 9.1 65
Show 21173+5011 TDT2885 13 1.5 66
Show 21246+5033 TDT2947 262 0.7 67
Show 21254+4818 ES 1102 AB 195 49.1 77
Show 21148+4946 COU2653 66 0.3 77
Show 21254+4818 CRB 7 Ca,Cb 110 1.6 77
Show 21254+4818 ES 1102 CD 110 3.6 77
Show 21254+4818 ES 1102 BC 38 7.0 77
Show 21304+4926 TDT3002 311 1.7 77
Show 21190+5039 ES 1004 221 7.6 78
Show 21296+5010 KPP 877 16 7.4 80
Show 21142+4930 ES 819 203 5.0 81
Show 21195+5048 ES 1005 BC 126 2.3 85
Show 21195+5048 ES 1005 AB 145 11.5 86
Show 21300+4848 SWN 2 352 3.1 86
Show 21295+4836 SWN 1 2 5.3 88
Show 21212+4804 ES 678 115 4.4 88
Show 21306+4852 OSO 148 AB 170 16.1 89
Show 21306+4852 OSO 148 AC 119 23.8 89
Show 21306+4852 OSO 148 AD 346 18.6 89
Show 21157+4832 HDS3024 328 0.3 89
Show 21242+4801 SKF2397 246 2.8 91
Show 21144+5015 SKF 393 206 44.7 91
Show 21246+4801 HJ 1644 AB 114 24.1 92
Show 21246+4801 HJ 1644 AC 42 37.7 92
Show 21311+5008 HU 593 60 1.5 92
Show 21314+4853 SWN 4 56 0.9 95
Show 21304+4832 SWN 3 142 1.0 97
Show 21127+4900 COU2652 339 0.7 101
Show 21184+4802 HJ 1633 67 9.9 101
Show 21288+4809 HJ 1651 334 11.9 102

 
 
WDS 21225+4929 : COMPONENTS
 
 
  A
B pa=123.2°
sep=0.14"
 
 
21225+4929 A
 
 
Componente originario normalizzato AB Name HD 203746 Coord arcsec 2000 212228.95+492929.1 Mag 6.99
Spectral class B9 (blue-white) PmRA 12.00 PmDE -9.0 SAO 50768
HIP 105540 Tycho2 3597-01298-1 HD 203746 GC 29938
BD BD+48 3360
Tycho2
Tycho2 3597-01298-1 Pflag RAmdeg 320.62066615 DEmdeg 49.49140564
PmRA 10.5 PmDE -7.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.3 E pmDE 1.3 EpRAm 1991.50 EpDEm 1991.48
Num 11 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.7
Q pmDE 0.8 BTmag 6.888 E BTmag 0.014 VTmag 6.847
E VTmag 0.010 Prox 999 TYC T HIP 105540
CCDM AB RAdeg 320.62062889 DEdeg 49.49142194 EpRA 1990 1.70
EpDE 1990 1.67 E RAdeg 3.8 E DEdeg 3.8 Posflg P
Corr 0.1
SAO
SAO 50768 DelFlag RA1950 PmRA1950 0.0015
DE1950 PmDE1950 0 Vmag 6.9 SpType B9
Double code Source 70 CatNum 29938 DM BD+48 3360
DMcomp BDsup HD 203746 M HD 0
GC 29938 RA1950rad 5.58831253 DE1950rad 0.8600474 PmRA2000 0.0018
PmDE2000 -0.003
Hipparcos
Catalog H HIP 105540 Proxy H RAhms 21 22 28.95
DEdms +49 29 29.1 Vmag 6.85 VarFlag R Vmag H
RAdeg 320.621 DEdeg 49.4914 AstroRef * Plx 3.43
CCDM 21225+4929 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 113 Rho 0.196 HD 203746 BD BD+48 3360
CD CP Dm number +48 3360 VIred 0.05
SpType B9 R SpType Coord arcsec 2000 212228.95+492929.1
Hipparcos 2
HIP 105540 Sn 55 So 3 Nc 2
RArad 5.5958856055 DErad 0.8637882416 Plx 3.83 PmRA 13.12
PmDE -8.75 E RArad 0.32 E DErad 0.28 E Plx 0.37
E pmRA 0.45 E pmDE 0.34 Hpmag 6.8634 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.029 E BV 0.004
VI 0.05
CCDM
Ccdm 21225+4929 RComp Comp A Note1
Note2 Discov num DRAs -1.05 DDEs 29.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.0 Sp B9 PmNote *
PmRA 12 PmDE -9 Dm number +48 3360 Cat1 BD
Name2 +49 1788 Cat2 AGK2/3 HD 203746 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105540
 
 
21225+4929 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212228.96+492929.0 Mag 9.3 Calc delta mag 2.31
Calc coord yes
CCDM
Ccdm 21225+4929 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.02 DDEs 29.0
R dRAs 82 Year 1991 Theta 113 Rho 0.2
Obs 1 Vmag 9.3 Sp PmNote *
PmRA 12 PmDE -9 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 105540