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Current system
21454+4356
HO 168 AE


Nearby doubles
29' : 21448+4425
COU2234

30' : 21434+4417
HJ 1685

37' : 21487+4357
GRV 509

37' : 21452+4432
GRV 500

39' : 21489+4349
TDT3170

40' : 21421+4414
A 403

51' : 21492+4326
PKO 17

51' : 21490+4323
PKO 16

52' : 21489+4321
TDT3171

52' : 21422+4434
ES 1341AB

52' : 21502+4356
TDS1148

56' : 21490+4316
BRT1152

57' : 21435+4448
HO 167AB

58' : 21454+4258
ES 1459

59' : 21400+4348
TDT3097

61' : 21427+4303
TDT3117

62' : 21443+4256
TDT3129

63' : 21509+4419
HJ 1700

63' : 21462+4254
COU1979

63' : 21448+4254
TDT3132

64' : 21474+4256
A 405

69' : 21392+4411
BU 1331

70' : 21402+4316
AC 20AB

71' : 21460+4506
HJ 1689

72' : 21513+4428
TDT3195

73' : 21391+4421
HJ 1673



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.

21454+4356 HO 168 AE

 
 
21h 45m 24.12s +43° 56' 08.1" P.A. 22.00 sep 28.3 mag 9.46,14.20 Sp K0
 
 
Coord 2000 21454+4356 Discov num HO  168 Comp AE Coord arcsec 2000 21 45 24.12 +43 56 08.1
Date first 1906 Date last 2014 Obs 7
Pa first 35 Pa last 21.5 P.A. Now (θ) 21.5°
Sep first 32.8 Sep last 28.32 Sep. Now (ρ) 28.32"
Mag pri 9.46 Mag sec 14.20 delta mag (ΔM) 4.74 Spectral class K0 (yellow-orange)
Pri motion ra +068 Sec motion ra +003
Pri motion dec +008 Sec motion dec +002
Notes
rPM=0.953
This double is not physical.
 
 
21454+4356 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 207087 51261 21 45 24 +43 56 08 HO 168 AB 2016 33 42 0.8 9.46 9.55 0.09
Show 51261 21 45 24 +43 56 08 HO 168 AC 2014 6 267 18.7 9.46 14.20 4.74
Show 51261 21 45 24 +43 56 08 HO 168 AD 2014 7 21 28.3 9.46 13.18 3.72
Show 51261 21 45 24 +43 56 08 HO 168 AE 2014 7 22 28.3 9.46 14.20 4.74 <===
Quintuple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 51261 Tycho2 3196-01988-1 Gaia DR2 1973071146442645760
HD 207087
 
 
WDS 21454+4356 HO 168 AE : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Ho_1883 Ma j Hough, G.W. 1883MNRAS..43..371H
Ho_1883 MNRAS 43, 371, 1883 (data also in Ho_1890) 1890AN....125....1H
Ho_1884 Ma j Hough, G.W. 1884MNRAS..44..365H
Ho_1884 MNRAS 44, 365, 1884 (data also in Ho_1890) 1890AN....125....1H
Ho_1885 Ma j Hough, G.W. 1885MNRAS..45..417H
Ho_1885 MNRAS 45, 417, 1885 (data also in Ho_1890) 1890AN....125....1H
Ho_1886 Ma j Hough, G.W. 1886MNRAS..46..393H
Ho_1886 MNRAS 46, 393, 1886 (data also in Ho_1890) 1890AN....125....1H
Ho_1887 Ma j Hough, G.W. 1887AN....116..273H
Ho_1887 AN 116, 273, 1887
Ho_1890 Ma j Hough, G.W. 1890AN....125....1H
Ho_1890 AN 125, 1, 1890
Ho_1890b Ma j Hough, G.W. 1890AJ......9..177H
Ho_1890b AJ 9, 177, 1890 (some data also in Ho_1890 or Ho_1894b) 1890AN....125....1H
Ho_1894a Ma - Hough, G.W. 1894MNRAS..54..251H
Ho_1894a MNRAS 54, 251, 1894
Ho_1894b Ma j Hough, G.W. (HO 304 - 490) 1894AN....135..281H
Ho_1894b AN 135, 281, 1894
Ho_1894c Ma - Hough, G.W. (measure by Dembowski, H.) 1894AN....135..281H
Ho_1894c AN 135, 281, 1894
Ho_1899a Ma j Hough, G.W. 1899AN....149..65H
Ho_1899a AN 149, 65, 1899
Ho_1899b Ma - Hough, G.W. (measure by Burnham, S.W.) 1899AN....149..65H
Ho_1899b AN 149, 65, 1899
Ho_1907 Ma - Hough, G.W. 1907PFAO....3c...1D
Ho_1907 Pub. Univ. Penn. 3, Pt. 3, 1907 (measures sent to Doolittle)
Ho_1932A Ma - Hough, G.W. 1932QB821.A43......
Ho_1932A cited in ADS, 1932 (unpublished measures sent to Aitken in manuscript by Fox)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21454+4356 HO 168 AE 1998 2 23 28.8 9.55 13.70 K0 D 214524.08+435607.8
21454+4356 HO 168 AE 2002 3 23 28.9 9.46 14.20 K0 D 214524.12+435608.1
21454+4356 HO 168 AE 2013 4 20 28.3 9.46 14.20 K0 214524.12+435608.1
21454+4356 HO 168 AE 2014 7 22 28.3 9.46 14.20 K0 214524.12+435608.1

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

 
 
WDS 21454+4356 HO 168 AE : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21454+4356 HO 168 AE : MEASURES
 
 
No records found.

 
 
WDS 21454+4356 : VIRTUAL EYEPIECE
 
 

21454+4356 HO 168A mag 9.46 Sp K0 21454+4356 HO 168B sep 0.7 P.A. 32.60 mag 9.55 21454+4356 HO 168C sep 13.5 P.A. 266.40 mag 14.2 21454+4356 HO 168D sep 27.4 P.A. 15.70 mag 13.18 21454+4356 HO 168E sep 27.4 P.A. 15.80 mag 14.2 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 21454+4356 : ALADIN DSS IMAGE @ 21h 45m 24.12s +43° 56' 08.1"
 
 
 
 
WDS 21454+4356 HO 168 AE : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21454+4356 HO 168AB distance=1' 21454+4356 HO 168AC distance=1' 21454+4356 HO 168AD distance=1' 21454+4356 HO 168AE distance=1' 21448+4425 COU2234 distance=29' 21434+4417 HJ 1685 distance=30' 21487+4357 GRV 509 distance=37' 21452+4432 GRV 500 distance=37' 21489+4349 TDT3170 distance=39' 21421+4414 A 403 distance=40' 21492+4326 PKO 17 distance=51' 21490+4323 PKO 16 distance=51' 21489+4321 TDT3171 distance=52' 21422+4434 ES 1341AB distance=52' 21422+4434 ES 1341AC distance=52' 21502+4356 TDS1148 distance=52' 21490+4316 BRT1152 distance=56' 21435+4448 LIN 1Aa,Ab distance=57' 21435+4448 HO 167AB distance=57' 21454+4258 ES 1459 distance=58' 21400+4348 TDT3097 distance=59' 21427+4303 TDT3117 distance=61' 21443+4256 TDT3129 distance=62' 21509+4419 HJ 1700 distance=63' 21462+4254 COU1979 distance=63' 21448+4254 TDT3132 distance=63' 21474+4256 A 405 distance=64' 21392+4411 BU 1331 distance=69' 21402+4316 AC 20AB distance=70' 21402+4316 STTA221AC distance=70' 21460+4506 HJ 1689 distance=71' 21513+4428 TDT3195 distance=72' 21391+4421 HJ 1673 distance=73' 21490+4254 TDT3172 distance=74' 21395+4317 DA 14 distance=76' 21429+4507 COU2314 distance=76' 21462+4239 ES 1460AB distance=77' 21462+4239 ES 1460AC distance=77' 21392+4311 GIC 168 distance=80' 21525+4332 TDT3212 distance=81' 21439+4517 TDT3123 distance=83' 21443+4234 OSO 156AB distance=83' 21443+4234 OSO 156AC distance=83' 21443+4234 OSO 156AD distance=83' 21519+4441 TDT3200 distance=84' 21521+4313 TDT3204 distance=85' 21531+4339 TDT3215 distance=85' 21385+4317 DA 15 distance=85' 21491+4242 ARG 95 distance=85' 21513+4456 COU2318 distance=87' 21371+4409 POP 139 distance=91' 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 21454+4356 HO 168 AB 42 0.8 1
Show 21454+4356 HO 168 AC 267 18.7 1
Show 21454+4356 HO 168 AD 21 28.3 1
Show 21454+4356 HO 168 AE 22 28.3 1
Show 21448+4425 COU2234 84 0.1 29
Show 21434+4417 HJ 1685 239 18.6 30
Show 21487+4357 GRV 509 177 56.4 37
Show 21452+4432 GRV 500 348 59.6 37
Show 21489+4349 TDT3170 94 1.4 39
Show 21421+4414 A 403 74 0.6 40
Show 21492+4326 PKO 17 149 13.6 51
Show 21490+4323 PKO 16 96 5.9 51
Show 21489+4321 TDT3171 286 0.5 52
Show 21422+4434 ES 1341 AB 280 5.9 52
Show 21422+4434 ES 1341 AC 327 33.5 52
Show 21502+4356 TDS1148 97 1.1 52
Show 21490+4316 BRT1152 231 6.7 56
Show 21435+4448 LIN 1 Aa,Ab 187 0.2 57
Show 21435+4448 HO 167 AB 205 1.3 57
Show 21454+4258 ES 1459 282 2.3 58
Show 21400+4348 TDT3097 253 0.4 59
Show 21427+4303 TDT3117 163 0.8 61
Show 21443+4256 TDT3129 76 0.9 62
Show 21509+4419 HJ 1700 197 9.7 63
Show 21462+4254 COU1979 261 0.4 63
Show 21448+4254 TDT3132 293 2.0 63
Show 21474+4256 A 405 277 1.9 64
Show 21392+4411 BU 1331 340 0.7 69
Show 21402+4316 AC 20 AB 329 2.7 70
Show 21402+4316 STTA221 AC 253 62.2 70
Show 21460+4506 HJ 1689 57 9.8 71
Show 21513+4428 TDT3195 203 1.9 72
Show 21391+4421 HJ 1673 80 5.4 73
Show 21490+4254 TDT3172 164 0.4 74
Show 21395+4317 DA 14 350 3.9 76
Show 21429+4507 COU2314 38 0.3 76
Show 21462+4239 ES 1460 AB 8 1.8 77
Show 21462+4239 ES 1460 AC 238 20.3 77
Show 21392+4311 GIC 168 275 6.8 80
Show 21525+4332 TDT3212 39 1.7 81
Show 21439+4517 TDT3123 242 1.5 83
Show 21443+4234 OSO 156 AB 331 7.6 83
Show 21443+4234 OSO 156 AC 57 16.1 83
Show 21443+4234 OSO 156 AD 18 22.7 83
Show 21519+4441 TDT3200 210 0.5 84
Show 21521+4313 TDT3204 30 0.9 85
Show 21531+4339 TDT3215 110 0.8 85
Show 21385+4317 DA 15 72 1.6 85
Show 21491+4242 ARG 95 338 23.1 85
Show 21513+4456 COU2318 109 0.7 87
Show 21371+4409 POP 139 183 1.0 91

 
 
WDS 21454+4356 : COMPONENTS
 
 
  A B C D
B pa=32.6°
sep=0.72"
 
C pa=266.4°
sep=13.46"
pa=264.0°
sep=13.89"
 
D pa=15.7°
sep=27.40"
pa=15.2°
sep=26.71"
pa=37.4°
sep=34.28"
 
E pa=15.8°
sep=27.39"
pa=15.4°
sep=26.70"
pa=37.5°
sep=34.30"
pa=111.2°
sep=0.07"
 
 
21454+4356 A
 
 
Name HD 207087 Coord arcsec 2000 214524.12+435608.1 Mag 9.46 Spectral class K0 (yellow-orange)
PmRA 66.00 PmDE 6.0 SAO 51261 Tycho2 3196-01988-1
HD 207087 DM BD+43 4037
Tycho2
Tycho2 3196-01988-1 Pflag P RAmdeg 326.35038716 DEmdeg 43.93550950
PmRA 65.5 PmDE 5.7 E RAmdeg 14 E DEmdeg 13
E pmRA 1.6 E pmDE 1.4 EpRAm 1990.53 EpDEm 1990.62
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.4 BTmag 10.035 E BTmag 0.024 VTmag 9.458
E VTmag 0.019 Prox 9 TYC T HIP
CCDM RAdeg 326.35005917 DEdeg 43.93541889 EpRA 1990 1.57
EpDE 1990 1.67 E RAdeg 13.0 E DEdeg 11.6 Posflg D
Corr 0.1
SAO
SAO 51261 DelFlag RA1950 PmRA1950 0.0051
DE1950 PmDE1950 0 Vmag 8.2 SpType K0
Double code Source 4 CatNum 2034 DM BD+43 4037
DMcomp BDsup HD 207087 M HD 0
GC RA1950rad 5.68728296 DE1950rad 0.76278399 PmRA2000 0.0054
PmDE2000 -0.004
CCDM
Ccdm 21454+4356 RComp Comp A Note1
Note2 Discov num DRAs 0.02 DDEs 8.1
R dRAs 10 Year Theta Rho
Obs 5 Vmag 9.4 Sp K0 PmNote *
PmRA 61 PmDE 10 Dm number +43 4037 Cat1 BD
Name2 +43 2034 Cat2 AGK2/3 HD 207087 M HD
ADS BDS A15295 M ADS BDS N IDS IDS 21415N4328A
HIC
 
 
21454+4356 B
 
 
Coord arcsec 2000 214524.16+435608.7 Mag 9.55 PmRA 66.00 PmDE 6.0
Tycho2 3196-01988-2 Calc delta mag 0.09 Calc coord yes
Tycho2
Tycho2 3196-01988-2 Pflag P RAmdeg 326.35038716 DEmdeg 43.93550950
PmRA 65.5 PmDE 5.7 E RAmdeg 14 E DEmdeg 13
E pmRA 1.6 E pmDE 1.4 EpRAm 1990.53 EpDEm 1990.62
Num 5 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.4 BTmag 10.129 E BTmag 0.025 VTmag 9.552
E VTmag 0.021 Prox 9 TYC T HIP
CCDM RAdeg 326.35030972 DEdeg 43.93558722 EpRA 1990 1.57
EpDE 1990 1.67 E RAdeg 14.0 E DEdeg 12.5 Posflg D
Corr 0.1
CCDM
Ccdm 21454+4356 RComp Comp B Note1
Note2 Discov num HO 168 DRAs DDEs
R dRAs Year 1952 Theta 238 Rho 1.1
Obs 12 Vmag 9.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15295 M ADS BDS N IDS IDS 21415N4328B
HIC
 
 
21454+4356 C
 
 
Coord arcsec 2000 214522.88+435607.3 Mag 14.2 Calc delta mag 4.74 Calc coord yes
CCDM
Ccdm 21454+4356 RComp Comp C Note1
Note2 Discov num HO 168 DRAs DDEs
R dRAs Year 1905 Theta 267 Rho 17.6
Obs 1 Vmag 13.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15295 M ADS BDS N IDS IDS 21415N4328C
HIC
 
 
21454+4356 D
 
 
Coord arcsec 2000 214524.81+435634.5 Mag 13.18 Calc delta mag 3.72 Calc coord yes
CCDM
Ccdm 21454+4356 RComp Comp D Note1
Note2 Discov num HO 168 DRAs DDEs
R dRAs Year 1906 Theta 028 Rho 24.4
Obs 1 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15295 M ADS BDS N IDS IDS 21415N4328D
HIC
 
 
21454+4356 E
 
 
Coord arcsec 2000 214524.81+435634.4 Mag 14.2 PmRA 3.00 PmDE 2.0
Calc delta mag 4.74 Calc coord yes
CCDM
Ccdm 21454+4356 RComp Comp E Note1
Note2 Discov num HO 168 DRAs DDEs
R dRAs Year 1906 Theta 035 Rho 32.8
Obs 1 Vmag 12.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15295 M ADS BDS N IDS IDS 21415N4328E
HIC