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Doubles in session


Current system
21214+0253
STT 435
HD 203323


Nearby doubles
16' : 21209+0307
BU 838

27' : 21197+0256
CVR 893

37' : 21210+0217
HEI 408AB

39' : 21189+0252
HEI 407

40' : 21188+0245
BAL2051

43' : 21242+0248
J 914

44' : 21211+0336
NSN 5

47' : 21185+0236
OSO 144

52' : 21218+0202
STF2787AB

53' : 21242+0323
BAL2052

56' : 21243+0327
BAL2561

57' : 21192+0339
J 1721

60' : 21199+0158
KPP 763

64' : 21256+0248
J 1039

67' : 21251+0330
FMR 163

67' : 21243+0343
A 2288

69' : 21173+0323
BAL2050

72' : 21225+0403
UC 4462

73' : 21260+0312
BAL2053

80' : 21255+0203
A 2289AB

81' : 21251+0157
BAL1588

81' : 21232+0409
SKF2742

87' : 21182+0141
BAL1584

87' : 21169+0347
UC 4426

90' : 21179+0407
BAL2559

91' : 21267+0335
VOU 41



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.

21214+0253 STT 435 (HD 203323)

 
 
21h 21m 23.70s +02° 53' 14.6" P.A. 239.00 sep 0.7 mag 8.31,8.20 Sp K0 dist. 198.81 pc (648.52 l.y.)
 
 
Coord 2000 21214+0253 Discov num STT 435 Comp Coord arcsec 2000 21 21 23.70 +02 53 14.6
Date first 1843 Date last 2018 Obs 86
Pa first 204 Pa last 238.5 P.A. Now (θ) 238.5°
Sep first 0.5 Sep last 0.677 Sep. Now (ρ) 0.677"
Mag pri 8.31 Mag sec 8.20 delta mag (ΔM) 0.11 Spectral class K0 (yellow-orange)
Pri motion ra +008 Sec motion ra +008
Pri motion dec -007 Sec motion dec -007
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 203323 Constellation Equuleus SAO 126724 HIP 105438
Tycho2 0532-00819-1 Gaia DR2 2692664329580518656 HD 203323 GC 29886
ADS 14894 BD BD+02 4346 Distance 198.81 Distance ly 648.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)3542y± 110 Periastron (T)4577.6y± 244.1 Semi-major axis (a)1.52a± 0.032
Eccentricity (e)0.026± 0.038 Inclination (i)65.9°± 0.3 Longitude of periastron (ω)359.2°± 20.8
Node (Ω)122.5°± 1 Notes ReferencePkO2018b
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 236.2 0.670
2001 236.4 0.671
2002 236.6 0.672
2003 236.8 0.673
2004 237.0 0.674
2005 237.2 0.675
2006 237.5 0.676
2007 237.7 0.677
2008 237.9 0.678
2009 238.1 0.679
2010 238.3 0.679
2011 238.5 0.680
2012 238.7 0.681
2013 238.9 0.682
2014 239.1 0.683
2015 239.3 0.684
2016 239.5 0.686
2017 239.7 0.687
2018 239.9 0.688
2019 240.1 0.689
2020 240.3 0.690
2021 240.5 0.691
2022 240.7 0.692
2023 240.9 0.693
2024 241.1 0.694
2025 241.3 0.695
2026 241.5 0.696
2027 241.7 0.697
2028 241.9 0.698
2029 242.1 0.699
2030 242.3 0.700


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds21214%2B0253a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 21214+0253 STT 435 (HD 203323) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
PkO2018b orb Baidin, A.E., Perov, N.I. & Romanenko, L.G. .
PkO2018b Vestnik of Saint Petersburg University, Volume 5 (63), 148, 2018
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
21214+0253 STT 435 2005 76 238 0.7 8.31 8.20 K0 D 212123.70+025314.6
21214+0253 STT 435 2015 78 237 0.8 8.31 8.20 K0 212123.70+025314.6
21214+0253 STT 435 2016 79 239 0.7 8.31 8.20 K0 212123.70+025314.6
21214+0253 STT 435 2018 80 239 0.7 8.31 8.20 K0 212123.70+025314.6

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

 
 
WDS 21214+0253 STT 435 (HD 203323) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 21214+0253 STT 435 (HD 203323) : MEASURES
 
 
No records found.

 
 
WDS 21214+0253 (HD 203323) : VIRTUAL EYEPIECE
 
 

21214+0253 STT 435A mag 8.31 Sp K0 21214+0253 STT 435B sep 0.7 P.A. 238.50 mag 8.2 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 21214+0253 (HD 203323) : ALADIN DSS IMAGE @ 21h 21m 23.70s +02° 53' 14.6"
 
 
 
 
WDS 21214+0253 STT 435 (HD 203323) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

21214+0253 STT 435 distance=0' 21209+0307 BU 838 distance=16' 21197+0256 CVR 893 distance=27' 21210+0217 BAL1586Aa,Ab distance=37' 21210+0217 HEI 408AB distance=37' 21210+0217 HEI 408AC distance=37' 21210+0217 HEI 408AD distance=37' 21210+0217 HEI 408DE distance=37' 21189+0252 HEI 407 distance=39' 21188+0245 BAL2051 distance=40' 21242+0248 J 914 distance=43' 21211+0336 NSN 5 distance=44' 21185+0236 OSO 144 distance=47' 21218+0202 STF2787AB distance=52' 21218+0202 STF2787AC distance=52' 21242+0323 BAL2052 distance=53' 21243+0327 BAL2561 distance=56' 21192+0339 J 1721 distance=57' 21199+0158 KPP 763 distance=60' 21256+0248 J 1039 distance=64' 21251+0330 FMR 163 distance=67' 21243+0343 A 2288 distance=67' 21173+0323 BAL2050 distance=69' 21225+0403 UC 4462 distance=72' 21260+0312 BAL2053 distance=73' 21255+0203 A 2289AB distance=80' 21255+0203 STT 439AB,C distance=80' 21251+0157 BAL1588 distance=81' 21232+0409 SKF2742 distance=81' 21182+0141 BAL1584 distance=87' 21169+0347 UC 4426 distance=87' 21179+0407 BAL2559 distance=90' 21267+0335 VOU 41 distance=91' 21266+0347 TDT2969 distance=95' 21234+0123 BAL1228 distance=95' 21237+0422 STF2791 distance=96' 21242+0422 CVR 898 distance=99' 21276+0204 J 2349 distance=104' 21211+0104 BAL1227 distance=109' 21286+0237 BAL2054 distance=109' 21164+0421 GRV 442 distance=116' 21147+0354 UC 4420 distance=117' 21156+0419 TDT2865 distance=122' 21172+0438 HU 274 distance=122' 21130+0248 BU 1303 distance=126' 21129+0333 UC 4407 distance=134' 21257+0051 GRV 464 distance=138' 21217+0512 CBL 599 distance=139' 21165-0054 TDT2876 distance=140' 21125+0202 BAL1582 distance=144' 21242+0036 ITF 219 distance=144' 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 21214+0253 STT 435 239 0.7
Show 21209+0307 BU 838 156 1.6 16
Show 21197+0256 CVR 893 85 21.0 27
Show 21210+0217 BAL1586 Aa,Ab 111 0.6 37
Show 21210+0217 HEI 408 AB 258 2.3 37
Show 21210+0217 HEI 408 AC 273 55.5 37
Show 21210+0217 HEI 408 AD 111 95.2 37
Show 21210+0217 HEI 408 DE 106 54.5 37
Show 21189+0252 HEI 407 62 0.2 39
Show 21188+0245 BAL2051 166 2.6 40
Show 21242+0248 J 914 1.8 43
Show 21211+0336 NSN 5 65 7.5 44
Show 21185+0236 OSO 144 346 16.8 47
Show 21218+0202 STF2787 AB 20 22.6 52
Show 21218+0202 STF2787 AC 94 70.4 52
Show 21242+0323 BAL2052 256 16.9 53
Show 21243+0327 BAL2561 288 20.5 56
Show 21192+0339 J 1721 272 3.2 57
Show 21199+0158 KPP 763 174 6.6 60
Show 21256+0248 J 1039 332 4.3 64
Show 21251+0330 FMR 163 12 15.4 67
Show 21243+0343 A 2288 227 0.4 67
Show 21173+0323 BAL2050 181 18.3 69
Show 21225+0403 UC 4462 71 29.2 72
Show 21260+0312 BAL2053 93 19.9 73
Show 21255+0203 A 2289 AB 334 0.1 80
Show 21255+0203 STT 439 AB,C 222 14.6 80
Show 21251+0157 BAL1588 134 17.2 81
Show 21232+0409 SKF2742 104 1.4 81
Show 21182+0141 BAL1584 338 9.7 87
Show 21169+0347 UC 4426 251 27.3 87
Show 21179+0407 BAL2559 283 3.9 90
Show 21267+0335 VOU 41 171 0.1 91
Show 21266+0347 TDT2969 155 0.5 95
Show 21234+0123 BAL1228 317 5.9 95
Show 21237+0422 STF2791 103 2.9 96
Show 21242+0422 CVR 898 250 13.6 99
Show 21276+0204 J 2349 237 8.4 104
Show 21211+0104 BAL1227 152 4.3 109
Show 21286+0237 BAL2054 121 18.1 109
Show 21164+0421 GRV 442 181 52.9 116
Show 21147+0354 UC 4420 80 51.3 117
Show 21156+0419 TDT2865 112 2.1 122
Show 21172+0438 HU 274 147 4.1 122
Show 21130+0248 BU 1303 234 4.2 126
Show 21129+0333 UC 4407 306 58.2 134
Show 21257+0051 GRV 464 300 26.1 138
Show 21217+0512 CBL 599 197 19.9 139
Show 21165-0054 TDT2876 105 0.6 140
Show 21125+0202 BAL1582 64 12.1 144
Show 21242+0036 ITF 219 270 2.6 144

 
 
WDS 21214+0253 : COMPONENTS
 
 
  A
B pa=238.5°
sep=0.68"
 
 
21214+0253 A
 
 
Componente originario normalizzato AB Name HD 203323 Coord arcsec 2000 212123.70+025314.6 Mag 8.31
Spectral class K0 (yellow-orange) PmRA 8.00 PmDE -7.0
CCDM
Ccdm 21214+0253 RComp Comp A Note1
Note2 Discov num DRAs -0.35 DDEs 14.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.1 Sp K0 PmNote *
PmRA 2 PmDE -7 Dm number +02 4346 Cat1 BD
Name2 +02 2722 Cat2 AGK2/3 HD 203323 M HD
ADS BDS A14894 M ADS BDS N IDS IDS 21163N0228A
HIC 105438
 
 
21214+0253 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 212123.66+025314.2 Mag 8.2 PmRA 8.00
PmDE -7.0 SAO 126724 HIP 105438 Tycho2 0532-00819-1
HD 203323 GC 29886 BD BD+02 4346 Calc delta mag 0.11
Calc coord yes
Tycho2
Tycho2 0532-00819-1 Pflag RAmdeg 320.34867254 DEmdeg 2.88732185
PmRA 7.5 PmDE -7.3 E RAmdeg 6 E DEmdeg 7
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.18 EpDEm 1990.97
Num 11 Q RAmdeg 1.5 Q DEmdeg 1.1 Q pmRA 1.5
Q pmDE 1.3 BTmag 8.854 E BTmag 0.019 VTmag 7.597
E VTmag 0.012 Prox 999 TYC T HIP 105438
CCDM AB RAdeg 320.34865556 DEdeg 2.88733889 EpRA 1990 1.74
EpDE 1990 1.73 E RAdeg 6.0 E DEdeg 7.2 Posflg P
Corr -0.2
SAO
SAO 126724 DelFlag RA1950 PmRA1950 0.0008
DE1950 PmDE1950 -0.006 Vmag 7.6 SpType K0
Double code Source 70 CatNum 29886 DM BD+02 4346
DMcomp BDsup HD 203323 M HD 0
GC 29886 RA1950rad 5.58011034 DE1950rad 0.04666938 PmRA2000 0.001
PmDE2000 -0.01
Hipparcos
Catalog H HIP 105438 Proxy H RAhms 21 21 23.69
DEdms +02 53 14.6 Vmag 7.41 VarFlag R Vmag H
RAdeg 320.349 DEdeg 2.88739 AstroRef A Plx 4.32
CCDM 21214+0253 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 234 Rho 0.662 HD 203323 BD BD+02 4346
CD CP Dm number +02 4346 VIred 1.03
SpType K0 R SpType Coord arcsec 2000 212123.69+025314.6
Hipparcos 2
HIP 105438 Sn 15 So 3 Nc 2
RArad 5.5911400393 DErad 0.0503945116 Plx 5.03 PmRA 4.68
PmDE -4.38 E RArad 1.59 E DErad 1.71 E Plx 1.66
E pmRA 1.91 E pmDE 1.6 Hpmag 7.574 E Hpmag 0.0016
SHp 0.013 VA 0 BV 1.093 E BV 0.016
VI 1.05
CCDM
Ccdm 21214+0253 RComp Comp B Note1
Note2 Discov num STT 435 DRAs DDEs
R dRAs Year 1956 Theta 229 Rho 0.6
Obs 99 Vmag 8.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A14894 M ADS BDS N IDS IDS 21163N0228B
HIC 105438