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Doubles in session


Current system
22514+6142
STF 2950 AB
HD 216380


Nearby doubles
23' : 22541+6129
STI1125

26' : 22499+6119
HU 986

31' : 22533+6209
ES 142

31' : 22535+6208
ES 143AB

38' : 22526+6219
ES 1860AB

41' : 22563+6202
BEI 3AB

47' : 22506+6228
PET 17

48' : 22527+6055
STF2953

57' : 22539+6236
PET 23AB

58' : 22536+6237
BHJ 17AB

59' : 22550+6234
TDT3787

59' : 22575+6221
HU 990

60' : 22585+6111
ES 1927

60' : 22525+6241
PET 18AB

66' : 22546+6041
HEI 412

68' : 22567+6238
PET 24

70' : 22562+6042
STI1128

73' : 22423+6215
STI1120

73' : 22568+6244
MLR 266AB

77' : 22558+6251
STI1127

77' : 22522+6026
TDS1191

79' : 22565+6252
STF2961

82' : 23001+6235
STI1132

82' : 22399+6143
OSO 184AB

82' : 22561+6027
TDT3793AB

85' : 22500+6018
HJ 1821



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.

22514+6142 STF 2950 AB (HD 216380)

 
 
22h 51m 22.51s +61° 41' 47.9" P.A. 272.00 sep 1.1 mag 6.03,7.08 Sp G8III-IV dist. 72.73 pc (237.25 l.y.)
 
 
Coord 2000 22514+6142 Discov num STF2950 Comp AB Coord arcsec 2000 22 51 22.51 +61 41 47.9
Date first 1828 Date last 2021 Obs 203
Pa first 329 Pa last 272.4 P.A. Now (θ) 272.4°
Sep first 3.0 Sep last 1.14 Sep. Now (ρ) 1.14"
Mag pri 6.03 Mag sec 7.08 delta mag (ΔM) 1.05 Spectral class G8III-IV (yellow)
Pri motion ra +101 Sec motion ra +101
Pri motion dec +041 Sec motion dec +041
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22514+6142 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 216380 20281 22 51 23 +61 41 48 STF 2950 AB 2021 203 272 1.1 6.03 7.08 1.05 Y <===
Show 20281 22 51 23 +61 41 48 STF 2950 AC 2017 15 354 39.2 6.03 11.05 5.02
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216380 Constellation Cepheus SAO 20281 HIP 112864
Tycho2 4265-00942-1 Gaia DR2 2206895483941922304 HD 216380 HR 8696
GC 31884 ADS 16317 BD BD+60 2450 Distance 72.73
Distance ly 237.25
 
 
ORBITAL ELEMENTS
 
 
Period (P)817.1898y± 340.49 Periastron (T)2046.1998y± 7.7609 Semi-major axis (a)2.5818a± 0.91014
Eccentricity (e)0.82968± 0.0918 Inclination (i)119.004°± 7.364 Longitude of periastron (ω)271.676°± 9.256
Node (Ω)83.838°± 12.671 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 282.6 1.379
2001 282.1 1.366
2002 281.7 1.352
2003 281.3 1.339
2004 280.8 1.325
2005 280.4 1.310
2006 279.9 1.296
2007 279.4 1.281
2008 278.9 1.265
2009 278.4 1.249
2010 277.9 1.233
2011 277.4 1.217
2012 276.8 1.200
2013 276.3 1.182
2014 275.7 1.164
2015 275.1 1.146
2016 274.5 1.127
2017 273.9 1.107
2018 273.2 1.087
2019 272.5 1.066
2020 271.8 1.045
2021 271.1 1.023
2022 270.3 1.000
2023 269.5 0.977
2024 268.6 0.952
2025 267.7 0.927
2026 266.8 0.901
2027 265.7 0.874
2028 264.7 0.846
2029 263.5 0.817
2030 262.3 0.786


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


 
  


wds22514%2B6142b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22514+6142 STF 2950 AB (HD 216380) : NOTES
 
 
discov_num notes refcode
STF2950 Spectrum composite; G8III-IV+G2IV.
 
 
REFERENCES
 
 
refcode metd author reference
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22514+6142 STF2950 AB 2007 187 284 1.3 6.03 7.08 N D 225122.51+614147.9
22514+6142 STF2950 AB 2008 189 280 1.3 6.03 7.08 N D 225122.51+614147.9
22514+6142 STF2950 AB 2011 192 276 1.2 6.03 7.08 G8III-IV N D 225122.51+614147.9
22514+6142 STF2950 AB 2014 189 275 1.2 6.03 7.08 G8III-IV N D 225122.51+614147.9
22514+6142 STF2950 AB 2015 192 272 1.0 6.03 7.08 G8III-IV NO 225122.51+614147.9
22514+6142 STF2950 AB 2016 194 278 1.1 6.03 7.08 G8III-IV NO 225122.51+614147.9
22514+6142 STF2950 AB 2017 197 271 1.2 6.03 7.08 G8III-IV NO 225122.51+614147.9
22514+6142 STF2950 AB 2018 198 274 1.1 6.03 7.08 G8III-IV NO 225122.51+614147.9
22514+6142 STF2950 AB 2020 202 272 1.1 6.03 7.08 G8III-IV NO 225122.51+614147.9
22514+6142 STF2950 AB 2021 203 272 1.1 6.03 7.08 G8III-IV NO 225122.51+614147.9

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

 
 
WDS 22514+6142 STF 2950 AB (HD 216380) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22514+6142 STF 2950 AB (HD 216380) : MEASURES
 
 
No records found.

 
 
WDS 22514+6142 (HD 216380) : VIRTUAL EYEPIECE
 
 

22514+6142 STF2950A mag 6.03 Sp G8III 22514+6142 STF2950B sep 0.5 P.A. 275.10 mag 7.08 Sp IV 22514+6142 STF2950C sep 39.0 P.A. 357.10 mag 11.05 Sp IV 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 22514+6142 (HD 216380) : ALADIN DSS IMAGE @ 22h 51m 22.51s +61° 41' 47.9"
 
 
 
 
WDS 22514+6142 STF 2950 AB (HD 216380) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22514+6142 STF2950AB distance=0' 22541+6129 STI1125 distance=23' 22499+6119 HU 986 distance=26' 22533+6209 ES 142 distance=31' 22535+6208 ES 143AB distance=31' 22535+6208 ES 143AC distance=31' 22535+6208 PET 21Aa,Ab distance=31' 22526+6219 ES 1860AB distance=38' 22526+6219 PET 19Aa,Ab distance=38' 22563+6202 BEI 3AB distance=41' 22563+6202 BEI 3AC distance=41' 22506+6228 PET 17 distance=47' 22527+6055 STF2953 distance=48' 22539+6236 PET 23AB distance=57' 22539+6236 PET 23AC distance=57' 22536+6237 DAM 808BC distance=58' 22536+6237 BHJ 17AB distance=58' 22550+6234 TDT3787 distance=59' 22575+6221 HU 990 distance=59' 22585+6111 ES 1927 distance=60' 22525+6241 PET 18AB distance=60' 22525+6241 PET 18AC distance=60' 22546+6041 HEI 412 distance=66' 22567+6238 PET 24 distance=68' 22562+6042 STI1128 distance=70' 22423+6215 STI1120 distance=73' 22568+6244 MLR 266AB distance=73' 22568+6244 TRN 37AC distance=73' 22568+6244 MZA 34AD distance=73' 22414+6201 KPP4286BC distance=74' 22558+6251 STI1127 distance=77' 22522+6026 TDS1191 distance=77' 22565+6252 STF2961 distance=79' 23001+6235 STI1132 distance=82' 22399+6143 OSO 184BC distance=82' 22399+6143 OSO 184AB distance=82' 22399+6143 OSO 184AC distance=82' 22561+6027 TDT3793AB distance=82' 22561+6027 BVD 342AC distance=82' 22500+6018 HJ 1821 distance=85' 22397+6124 BU 1265BC distance=85' 22397+6124 BU 1265AB distance=85' 22597+6247 HDS3273 distance=88' 23021+6231 ES 1861 distance=90' 23037+6218 BVD 343 distance=94' 23015+6041 A 635 distance=96' 22587+6305 HDS3271AB distance=98' 22587+6305 BHJ 46AB,C distance=98' 22379+6126 TDT3625 distance=98' 23009+6253 HDS3276 distance=98' 22599+6300 TDT3828 distance=99' 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 22514+6142 STF2950 AB 272 1.1
Show 22514+6142 STF2950 AC 354 39.2
Show 22541+6129 STI1125 183 11.0 23
Show 22499+6119 HU 986 114 0.9 26
Show 22533+6209 ES 142 329 7.7 31
Show 22535+6208 ES 143 AB 38 6.6 31
Show 22535+6208 ES 143 AC 268 15.9 31
Show 22535+6208 PET 21 Aa,Ab 60 0.7 31
Show 22526+6219 ES 1860 AB 157 5.1 38
Show 22526+6219 PET 19 Aa,Ab 44 0.1 38
Show 22563+6202 BEI 3 AB 350 3.2 41
Show 22563+6202 BEI 3 AC 16 10.0 41
Show 22506+6228 PET 17 254 0.4 47
Show 22527+6055 STF2953 138 8.4 48
Show 22539+6236 PET 23 AB 41 0.8 57
Show 22539+6236 PET 23 AC 194 1.0 57
Show 22536+6237 DAM 808 BC 96 4.3 58
Show 22536+6237 BHJ 17 AB 242 17.1 58
Show 22550+6234 TDT3787 7 0.5 59
Show 22575+6221 HU 990 290 1.0 59
Show 22585+6111 ES 1927 233 4.0 60
Show 22525+6241 PET 18 AB 127 0.4 60
Show 22525+6241 PET 18 AC 355 0.9 60
Show 22546+6041 HEI 412 78 4.9 66
Show 22567+6238 PET 24 324 0.1 68
Show 22562+6042 STI1128 57 11.0 70
Show 22423+6215 STI1120 262 13.2 73
Show 22568+6244 MLR 266 AB 355 2.9 73
Show 22568+6244 TRN 37 AC 166 3.3 73
Show 22568+6244 MZA 34 AD 53 11.4 73
Show 22414+6201 KPP4286 BC 274 2.4 74
Show 22558+6251 STI1127 230 14.6 77
Show 22522+6026 TDS1191 65 1.2 77
Show 22565+6252 STF2961 349 1.9 79
Show 23001+6235 STI1132 235 5.9 82
Show 22399+6143 OSO 184 BC 185 4.7 82
Show 22399+6143 OSO 184 AB 130 6.1 82
Show 22399+6143 OSO 184 AC 154 9.6 82
Show 22561+6027 TDT3793 AB 306 0.7 82
Show 22561+6027 BVD 342 AC 252 26.5 82
Show 22500+6018 HJ 1821 103 11.6 85
Show 22397+6124 BU 1265 BC 225 0.6 85
Show 22397+6124 BU 1265 AB 166 39.7 85
Show 22597+6247 HDS3273 15 0.5 88
Show 23021+6231 ES 1861 297 5.5 90
Show 23037+6218 BVD 343 55 23.5 94
Show 23015+6041 A 635 218 0.9 96
Show 22587+6305 HDS3271 AB 253 0.2 98
Show 22587+6305 BHJ 46 AB,C 196 10.9 98
Show 22379+6126 TDT3625 312 1.0 98
Show 23009+6253 HDS3276 342 1.7 98

 
 
WDS 22514+6142 : COMPONENTS
 
 
  A B
B pa=275.1°
sep=0.54"
 
C pa=357.1°
sep=39.04"
pa=357.9°
sep=38.97"
 
 
22514+6142 A
 
 
Name HD 216380 Coord arcsec 2000 225122.51+614147.9 Mag 6.03 Spectral class G8III (yellow)
PmRA 101.00 PmDE 41.0 SAO 20281 HIP 112864
Tycho2 4265-00942-1 HD 216380 HR 8696 GC 31884
BD BD+60 2450
Tycho2
Tycho2 4265-00942-1 Pflag P RAmdeg 342.84407180 DEmdeg 61.69676901
PmRA 101.3 PmDE 40.6 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.64 EpDEm 1991.69
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 7.018 E BTmag 0.015 VTmag 6.028
E VTmag 0.009 Prox 15 TYC T HIP 112864
CCDM A RAdeg 342.84380833 DEdeg 61.69664417 EpRA 1990 1.70
EpDE 1990 1.75 E RAdeg 3.7 E DEdeg 3.8 Posflg D
Corr 0.1
SAO
SAO 20281 DelFlag RA1950 PmRA1950 0.0148
DE1950 PmDE1950 0.049 Vmag 6.1 SpType G0
Double code Source 70 CatNum 31884 DM BD+60 2450
DMcomp BDsup HD 216380 M HD 0
GC 31884 RA1950rad 5.97521679 DE1950rad 1.0721669 PmRA2000 0.0151
PmDE2000 0.044
Hipparcos
Catalog H HIP 112864 Proxy H RAhms 22 51 22.51
DEdms +61 41 47.9 Vmag 5.61 VarFlag R Vmag G
RAdeg 342.844 DEdeg 61.6966 AstroRef A Plx 14.34
CCDM 22514+6142 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 286 Rho 1.493 HD 216380 BD BD+60 2450
CD CP Dm number +60 2450 VIred 0.81
SpType G2IV+... R SpType Coord arcsec 2000 225122.51+614147.9
Hipparcos 2
HIP 112864 Sn 17 So 3 Nc 2
RArad 5.9837528711 DErad 1.0768094849 Plx 13.75 PmRA 98.08
PmDE 40.54 E RArad 0.45 E DErad 0.47 E Plx 0.6
E pmRA 0.55 E pmDE 0.61 Hpmag 5.7603 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.775 E BV 0.007
VI 0.81
CCDM
Ccdm 22514+6142 RComp Comp A Note1
Note2 Discov num DRAs -1.44 DDEs -10.6
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.1 Sp G0 PmNote *
PmRA 102 PmDE 63 Dm number +60 2450 Cat1 BD
Name2 +61 1402 Cat2 AGK2/3 HD 216380 M HD
ADS BDS A16317 M ADS BDS N IDS IDS 22474N6109A
HIC 112864
 
 
22514+6142 B
 
 
Coord arcsec 2000 225122.43+614147.9 Mag 7.08 Spectral class IV PmRA 101.00
PmDE 41.0 Tycho2 4265-00942-2 Calc delta mag 1.05 Calc coord yes
Tycho2
Tycho2 4265-00942-2 Pflag P RAmdeg 342.84407180 DEmdeg 61.69676901
PmRA 101.3 PmDE 40.6 E RAmdeg 4 E DEmdeg 4
E pmRA 2.1 E pmDE 2.1 EpRAm 1991.64 EpDEm 1991.69
Num 6 Q RAmdeg 1.0 Q DEmdeg 1.2 Q pmRA 1.0
Q pmDE 1.2 BTmag 7.677 E BTmag 0.015 VTmag 7.079
E VTmag 0.010 Prox 15 TYC HIP 112864
CCDM B RAdeg 342.84297028 DEdeg 61.69676028 EpRA 1990 1.73
EpDE 1990 1.73 E RAdeg 4.3 E DEdeg 4.6 Posflg D
Corr 0.1
CCDM
Ccdm 22514+6142 RComp Comp B Note1
Note2 Discov num STF2950 DRAs DDEs
R dRAs Year 1960 Theta 295 Rho 1.7
Obs 99 Vmag 7.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16317 M ADS BDS N IDS IDS 22474N6109B
HIC 112864
 
 
22514+6142 C
 
 
Coord arcsec 2000 225122.24+614226.9 Mag 11.05 Spectral class IV PmRA 102.00
PmDE 37.0 Calc delta mag 5.02 Calc coord yes
CCDM
Ccdm 22514+6142 RComp Comp C Note1
Note2 Discov num STF2950 DRAs DDEs
R dRAs Year 1910 Theta 354 Rho 39.3
Obs 7 Vmag 10.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A16317 M ADS BDS N IDS IDS 22474N6109C
HIC