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Doubles in session


Current system
21373+5050
HJ 1671
HD 205951


Nearby doubles
9' : 21379+5056
STJ 115

11' : 21382+5049
FOX 43

14' : 21369+5104
TDS1137

16' : 21380+5037
COU2443

19' : 21370+5032
ES 34AB

23' : 21362+5030
HJ 1669

27' : 21399+5039
ES 1103

33' : 21339+5045
HDS3070

33' : 21340+5100
COU2546

33' : 21379+5123
UC 264

34' : 21396+5025
TDT3087

35' : 21352+5022
IPH 29

36' : 21404+5029
ES 1104AB

37' : 21342+5029
ES 33

38' : 21342+5026
CVR 250

43' : 21415+5035
COU2444

45' : 21346+5128
HEI 287

45' : 21392+5132
TDT3083

46' : 21357+5133
HJ 3042

48' : 21323+5054
TDT3019

49' : 21417+5026
HJ 1684

50' : 21362+5139
HDS3075

51' : 21400+5133
BU 372

53' : 21429+5053
COU2548

54' : 21385+4955
HLD 47

58' : 21433+5100
BU 374



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.

21373+5050 HJ 1671 (HD 205951)

 
 
21h 37m 15.90s +50° 50' 20.3" P.A. 326.00 sep 9.7 mag 9.54,10.13 Sp K0
 
 
Coord 2000 21373+5050 Discov num HJ 1671 Comp Coord arcsec 2000 21 37 15.90 +50 50 20.3
Date first 1828 Date last 2016 Obs 18
Pa first 328 Pa last 325.5 P.A. Now (θ) 325.5°
Sep first 9.0 Sep last 9.658 Sep. Now (ρ) 9.658"
Mag pri 9.54 Mag sec 10.13 delta mag (ΔM) 0.59 Spectral class K0 (yellow-orange)
Pri motion ra +003 Sec motion ra +003
Pri motion dec -003 Sec motion dec -002
Notes T (Parallax indicates physical)
rPM=0.236 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 205951 Constellation Cygnus SAO 33582 Tycho2 3603-00318-1
Gaia DR2 2171458915668979328 HD 205951
 
 
WDS 21373+5050 HJ 1671 (HD 205951) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21373+5050 HJ 1671 2004 10 326 9.9 9.54 10.13 K0 D 213715.90+505020.3
21373+5050 HJ 1671 2016 14 326 9.7 9.54 10.13 K0 213715.90+505020.3

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

 
 
WDS 21373+5050 HJ 1671 (HD 205951) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21373+5050 HJ 1671 (HD 205951) : MEASURES
 
 
No records found.

 
 
WDS 21373+5050 (HD 205951) : VIRTUAL EYEPIECE
 
 

21373+5050 HJ 1671A mag 9.54 Sp K0 21373+5050 HJ 1671B sep 8.7 P.A. 336.50 mag 10.13 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 21373+5050 (HD 205951) : ALADIN DSS IMAGE @ 21h 37m 15.90s +50° 50' 20.3"
 
 
 
 
WDS 21373+5050 HJ 1671 (HD 205951) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21373+5050 HJ 1671 distance=0' 21379+5056 STJ 115 distance=9' 21382+5049 FOX 43 distance=11' 21369+5104 TDS1137 distance=14' 21380+5037 COU2443 distance=16' 21370+5032 ES 34AB distance=19' 21370+5032 ES 34AC distance=19' 21362+5030 HJ 1669 distance=23' 21399+5039 ES 1103 distance=27' 21339+5045 HDS3070 distance=33' 21340+5100 COU2546 distance=33' 21379+5123 UC 264 distance=33' 21396+5025 TDT3087 distance=34' 21352+5022 IPH 29 distance=35' 21404+5029 ES 1104AB distance=36' 21404+5029 ES 1104AC distance=36' 21342+5029 ES 33 distance=37' 21342+5026 CVR 250 distance=38' 21415+5035 COU2444 distance=43' 21346+5128 HEI 287 distance=45' 21392+5132 TDT3083 distance=45' 21357+5133 HJ 3042 distance=46' 21323+5054 TDT3019 distance=48' 21417+5026 HJ 1684 distance=49' 21362+5139 HDS3075 distance=50' 21400+5133 BU 372 distance=51' 21429+5053 COU2548 distance=53' 21385+4955 HLD 47 distance=54' 21433+5100 BU 374 distance=58' 21320+5023 TDS1133 distance=58' 21331+5001 CLZ 81AB distance=64' 21331+5001 RAO 460AC distance=64' 21439+5034 HU 693 distance=66' 21329+4959 CHR 102AB distance=67' 21329+4959 RBR 52AB,C distance=67' 21375+5157 TDT3065 distance=68' 21370+4941 LEO 28 distance=69' 21443+5024 TDT3128 distance=72' 21390+4940 HJ 1674 distance=73' 21311+5008 HU 593 distance=73' 21367+5203 TDT3060 distance=74' 21295+5111 SKF 57 distance=76' 21353+5210 HU 594AB distance=82' 21353+5210 HU 594AC distance=82' 21296+5010 KPP 877 distance=84' 21414+5205 TDS1142 distance=85' 21297+5139 KPP 690BC distance=87' 21415+4926 KPP4243 distance=95' 21414+4921 BU 373 distance=99' 21287+4952 STF2800 distance=101' 21413+5227 IPH 30 distance=104' 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 21373+5050 HJ 1671 326 9.7
Show 21379+5056 STJ 115 206 0.9 9
Show 21382+5049 FOX 43 83 2.6 11
Show 21369+5104 TDS1137 43 1.7 14
Show 21380+5037 COU2443 234 1.0 16
Show 21370+5032 ES 34 AB 137 2.7 19
Show 21370+5032 ES 34 AC 70 39.1 19
Show 21362+5030 HJ 1669 236 19.8 23
Show 21399+5039 ES 1103 240 6.6 27
Show 21339+5045 HDS3070 347 5.4 33
Show 21340+5100 COU2546 178 0.8 33
Show 21379+5123 UC 264 180 10.2 33
Show 21396+5025 TDT3087 126 1.9 34
Show 21352+5022 IPH 29 260 15.8 35
Show 21404+5029 ES 1104 AB 347 3.3 36
Show 21404+5029 ES 1104 AC 225 13.8 36
Show 21342+5029 ES 33 69 4.2 37
Show 21342+5026 CVR 250 114 119.7 38
Show 21415+5035 COU2444 340 0.6 43
Show 21346+5128 HEI 287 292 4.9 45
Show 21392+5132 TDT3083 258 0.5 45
Show 21357+5133 HJ 3042 52 19.3 46
Show 21323+5054 TDT3019 82 0.7 48
Show 21417+5026 HJ 1684 319 10.8 49
Show 21362+5139 HDS3075 16 0.6 50
Show 21400+5133 BU 372 353 1.7 51
Show 21429+5053 COU2548 167 1.0 53
Show 21385+4955 HLD 47 227 6.4 54
Show 21433+5100 BU 374 138 1.8 58
Show 21320+5023 TDS1133 309 1.1 58
Show 21331+5001 CLZ 81 AB 324 68.6 64
Show 21331+5001 RAO 460 AC 331 1.2 64
Show 21439+5034 HU 693 232 1.1 66
Show 21329+4959 CHR 102 AB 211 0.0 67
Show 21329+4959 RBR 52 AB,C 37 3.8 67
Show 21375+5157 TDT3065 88 1.9 68
Show 21370+4941 LEO 28 155 2.5 69
Show 21443+5024 TDT3128 198 1.7 72
Show 21390+4940 HJ 1674 328 11.1 73
Show 21311+5008 HU 593 60 1.5 73
Show 21367+5203 TDT3060 15 4.6 74
Show 21295+5111 SKF 57 232 4.5 76
Show 21353+5210 HU 594 AB 264 3.7 82
Show 21353+5210 HU 594 AC 87 59.2 82
Show 21296+5010 KPP 877 16 7.4 84
Show 21414+5205 TDS1142 303 1.1 85
Show 21297+5139 KPP 690 BC 117 6.2 87
Show 21415+4926 KPP4243 321 1.6 95
Show 21414+4921 BU 373 170 5.0 99
Show 21287+4952 STF2800 254 9.1 101
Show 21413+5227 IPH 30 294 23.0 104

 
 
WDS 21373+5050 : COMPONENTS
 
 
  A
B pa=336.5°
sep=8.68"
 
 
21373+5050 A
 
 
Componente originario normalizzato AB Name HD 205951 Coord arcsec 2000 213715.90+505020.3 Mag 9.54
Spectral class K0 (yellow-orange) PmRA 3.00 PmDE -3.0 SAO 33582
Tycho2 3603-00318-1 HD 205951 DM BD+50 3380
Tycho2
Tycho2 3603-00318-1 Pflag RAmdeg 324.31625262 DEmdeg 50.83896505
PmRA 2.3 PmDE -2.2 E RAmdeg 13 E DEmdeg 14
E pmRA 1.8 E pmDE 1.8 EpRAm 1991.13 EpDEm 1991.03
Num 3 Q RAmdeg 1.2 Q DEmdeg 0.6 Q pmRA 1.3
Q pmDE 0.6 BTmag 9.570 E BTmag 0.023 VTmag 9.542
E VTmag 0.025 Prox 96 TYC T HIP
CCDM RAdeg 324.31624417 DEdeg 50.83897028 EpRA 1990 1.70
EpDE 1990 1.67 E RAdeg 13.4 E DEdeg 13.6 Posflg
Corr 0.1
SAO
SAO 33582 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 0.017 Vmag 9.2 SpType K0
Double code Source 37 CatNum 7170 DM BD+50 3380
DMcomp BDsup HD 205951 M HD 0
GC RA1950rad 5.65268449 DE1950rad 0.88337636 PmRA2000 0.0008
PmDE2000 0.014
CCDM
Ccdm 21373+5050 RComp Comp A Note1
Note2 Discov num DRAs -2.21 DDEs 21.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.9 Sp K0 PmNote *
PmRA -6 PmDE 15 Dm number +50 3380 Cat1 BD
Name2 +50 1669 Cat2 AGK2/3 HD 205951 M HD
ADS BDS A15149 M ADS BDS N IDS IDS 21337N5023A
HIC
 
 
21373+5050 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 213715.54+505028.3 Mag 10.13 PmRA 3.00
PmDE -2.0 Tycho2 3603-00318-2 Calc delta mag 0.59 Calc coord yes
Tycho2
Tycho2 3603-00318-2 Pflag RAmdeg 324.31388469 DEmdeg 50.84118185
PmRA 1.6 PmDE -3.1 E RAmdeg 24 E DEmdeg 25
E pmRA 1.9 E pmDE 1.9 EpRAm 1989.85 EpDEm 1989.70
Num 3 Q RAmdeg 1.5 Q DEmdeg 0.1 Q pmRA 1.5
Q pmDE 0.1 BTmag 10.250 E BTmag 0.036 VTmag 10.131
E VTmag 0.041 Prox 96 TYC T HIP
CCDM RAdeg 324.31387889 DEdeg 50.84118917 EpRA 1990 1.72
EpDE 1990 1.64 E RAdeg 23.8 E DEdeg 24.7 Posflg
Corr 0.1
CCDM
Ccdm 21373+5050 RComp Comp B Note1
Note2 Discov num HJ 1671 DRAs DDEs
R dRAs Year 1908 Theta 326 Rho 9.5
Obs 2 Vmag 10.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15149 M ADS BDS N IDS IDS 21337N5023B
HIC