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Doubles in session


Current system
22266+0424
BU 290 AB
34 Peg


Nearby doubles
19' : 22277+0431
BU 291AB

26' : 22279+0442
ENG 85AB

40' : 22247+0356
CVR 944

44' : 22256+0343
BAL2571

48' : 22245+0349
STF2901AB

51' : 22300+0426
STF2912AB

57' : 22235+0351
STTA232AB

63' : 22229+0452
GWP3148

69' : 22221+0409
GWP3147

77' : 22296+0322
GRV 580

79' : 22295+0530
LDS4972

84' : 22263+0301
LDS4967

84' : 22284+0305
LDS4970

87' : 22214+0502
GRV 567

88' : 22296+0538
BU 844AB

90' : 22319+0506
GWP3168AB

91' : 22233+0539
HO 292

108' : 22248+0239
BU 843

109' : 22204+0520
CBL 540

113' : 22338+0352
GRV 587

113' : 22195+0501
TDT3464

114' : 22312+0253
UC 4758

115' : 22191+0401
CVR 939

116' : 22240+0612
TOK 350AB

119' : 22199+0526
OSO 176

119' : 22314+0559
GWP3165



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.

22266+0424 BU 290 AB (34 Peg)

 
 
22h 26m 37.38s +04° 23' 37.1" P.A. 226.00 sep 4.1 mag 5.81,12.50 Sp F7V dist. 38.15 pc (124.45 l.y.)
 
 
Coord 2000 22266+0424 Discov num BU  290 Comp AB Coord arcsec 2000 22 26 37.38 +04 23 37.1
Date first 1874 Date last 2015 Obs 20
Pa first 210 Pa last 226.2 P.A. Now (θ) 226.2°
Sep first 2.0 Sep last 4.08 Sep. Now (ρ) 4.08"
Mag pri 5.81 Mag sec 12.50 delta mag (ΔM) 6.69 Spectral class F7V (yellow-white)
Pri motion ra +284 Sec motion ra
Pri motion dec +054 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
22266+0424 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 34 Peg 127529 22 26 37 +04 23 37 BU 290 AB 2015 20 226 4.1 5.81 12.50 6.69 Y <===
Show 127529 22 26 37 +04 23 37 BU 290 AC 2000 4 269 126.4 5.81 14.73 8.92
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 34 Peg Constellation Pegasus SAO 127529 HIP 110785
Tycho2 0563-00833-1 Gaia DR2 2707385278448285696 HD 212754 HR 8548
GC 31355 ADS 15935 GL Wo 9782A BD BD+03 4705
Flamsteed 34 Pegasi Flamsteed name 34 Peg Distance 38.15 Distance ly 124.45
 
 
ORBITAL ELEMENTS
 
 
Period (P)420y Periastron (T)1800y Semi-major axis (a)2.43a
Eccentricity (e)0.59 Inclination (i)79.9° Longitude of periastron (ω)26.32°
Node (Ω)40.3° Notesn ReferenceHle1994
Equinox2000 Last observation1990 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 224.7 3.546
2001 224.7 3.540
2002 224.8 3.533
2003 224.8 3.527
2004 224.9 3.520
2005 225.0 3.513
2006 225.0 3.506
2007 225.1 3.499
2008 225.1 3.492
2009 225.2 3.484
2010 225.3 3.476
2011 225.3 3.468
2012 225.4 3.460
2013 225.4 3.452
2014 225.5 3.443
2015 225.6 3.434
2016 225.6 3.425
2017 225.7 3.416
2018 225.7 3.407
2019 225.8 3.397
2020 225.9 3.388
2021 225.9 3.378
2022 226.0 3.368
2023 226.1 3.358
2024 226.1 3.347
2025 226.2 3.337
2026 226.2 3.326
2027 226.3 3.315
2028 226.4 3.304
2029 226.4 3.292
2030 226.5 3.281


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


 
  


wds22266%2B0424a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier22266+0424 BU 290 A
coord_arcsec_2000222637.22+042337.1
Period (P)878d (2.4y)± 62 Periastron (T)48839d (1992.592y)± 184 Semi-major axis (a)10.9m± 6.8
Eccentricity (e)0.29± 0.37 Inclination (i)93°± 6 Longitude of periastron (ω)93°± 87
Node (Ω)272°± 94 Notes ReferenceGln2007
Equinox Last observation1991 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 94.1 0.007
2001-01-01 322.0 0.001
2002-01-01 269.7 0.007
2003-01-01 87.6 0.007
2004-01-01 273.7 0.010
2005-01-01 91.8 0.010
2006-01-01 280.5 0.005
2007-01-01 206.2
2008-01-01 81.6 0.004
2009-01-01 272.2 0.010
2010-01-01 90.1 0.010
2011-01-01 276.0 0.008
2012-01-01 94.5 0.006
2013-01-01 346.3 0.001
2014-01-01 270.0 0.007
2015-01-01 87.9 0.008
2016-01-01 273.9 0.010
2017-01-01 92.0 0.010
2018-01-01 281.4 0.004
2019-01-01 248.5 0.001
2020-01-01 82.7 0.004
2021-01-01 272.3 0.010
2022-01-01 90.3 0.010
2023-01-01 276.2 0.008
2024-01-01 94.9 0.006
2025-01-01 17.5 0.001
2026-01-01 270.3 0.008
2027-01-01 88.2 0.008
2028-01-01 274.1 0.010
2029-01-01 92.1 0.010
2030-01-01 282.5 0.004


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


 
  


wds22266%2B0424r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22266+0424 BU 290 AB (34 Peg) : NOTES
 
 
discov_num notes refcode
BU 290 34 Peg.
This cannot be the close 931.3-d spectroscopic binary. Grf2010a
AB: A = 34 Peg is SB1, P=913.3d=2.55y (Griffin 2010). Also astrometric Grf2010a
orbit, P=2.404y (Goldin & Makarov 2007). Gln2007
 
 
REFERENCES
 
 
refcode metd author reference
Gln2007 orb - Goldin, A. & Makarov, V.V. 2007ApJS..173..137G
Gln2007 ApJS 173, 137, 2007
Gln2007 (Note: Astrometric orbits based on merged NDAC and FAST reductions of Hipparcos
Gln2007 data. Values of T0 are relative to 1991.25 = JD 2448349.0625)
Grf2010a not - Griffin, R.F. 2010Obs...130...17G
Grf2010a Observatory 130, 17, 2010
Hle1994 C j Hale, A. 1994AJ....107..306H
Hle1994 +orb AJ 107, 306, 1994
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22266+0424 BU 290 AB 1990 14 224 3.6 5.80 12.50 F8IV-V NO 222637.38+042337.1
22266+0424 BU 290 AB 2015 15 226 4.1 5.81 12.50 F7V NO 222637.38+042337.1

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

 
 
WDS 22266+0424 BU 290 AB (34 Peg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22266+0424 BU 290 AB (34 Peg) : MEASURES
 
 
No records found.

 
 
WDS 22266+0424 (34 Peg) : VIRTUAL EYEPIECE
 
 

22266+0424 BU 290A mag 5.81 Sp F7V 22266+0424 BU 290B sep 4.1 P.A. 226.10 mag 12.5 22266+0424 BU 290C sep 126.0 P.A. 268.90 mag 14.73 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 22266+0424 (34 Peg) : ALADIN DSS IMAGE @ 22h 26m 37.38s +04° 23' 37.1"
 
 
 
 
WDS 22266+0424 BU 290 AB (34 Peg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22266+0424 BU 290AB distance=0' 22277+0431 BU 291AB distance=19' 22277+0431 BU 291AB,C distance=19' 22279+0442 ENG 85BC distance=25' 22279+0442 ENG 85AB distance=26' 22279+0442 ENG 85AC distance=26' 22247+0356 CVR 944 distance=40' 22256+0343 BAL2571 distance=44' 22245+0349 STF2901AB distance=48' 22245+0349 GWP3151AC distance=48' 22300+0426 STF2912Ba,Bb distance=50' 22300+0426 STF2912AB distance=51' 22235+0351 STTA232AB distance=57' 22235+0351 STTA232AC distance=57' 22235+0351 STTA232BC distance=58' 22229+0452 GWP3148 distance=63' 22221+0409 GWP3147 distance=69' 22296+0322 GRV 580 distance=77' 22295+0530 LDS4972 distance=79' 22263+0301 LDS4967 distance=84' 22284+0305 LDS4970 distance=84' 22214+0502 GRV 567 distance=87' 22296+0538 BU 844AB distance=88' 22319+0506 GWP3169BC distance=88' 22296+0538 BU 844BC distance=89' 22319+0506 GWP3168AB distance=90' 22319+0506 GWP3169AC distance=90' 22233+0539 HO 292 distance=91' 22248+0239 BU 843 distance=108' 22204+0520 CBL 540 distance=109' 22338+0352 GRV 587 distance=113' 22195+0501 TDT3464 distance=113' 22312+0253 UC 4758 distance=114' 22191+0401 CVR 939 distance=115' 22240+0612 TOK 350AB distance=116' 22240+0612 RAO 27Aa,Ab distance=116' 22199+0526 OSO 176 distance=119' 22314+0559 GWP3165 distance=119' 22345+0413 STF2920AB distance=119' 22345+0413 STF2920AC distance=119' 22343+0345 HDS3201 distance=122' 22205+0547 HJ 962AB distance=125' 22205+0547 HJ 962AC distance=125' 22297+0620 LIT 36 distance=126' 22183+0442 HJ 3103 distance=126' 22185+0459 GWP3145 distance=127' 22321+0246 LDS5955 distance=128' 22181+0427 BAL2569 distance=128' 22205+0251 LDS5944 distance=132' 22351+0346 LDS5958 distance=132' 22220+0229 LDS5946AB distance=135' 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 22266+0424 BU 290 AB 226 4.1
Show 22266+0424 BU 290 AC 269 126.4
Show 22277+0431 BU 291 AB 232 0.3 19
Show 22277+0431 BU 291 AB,C 124 30.9 19
Show 22279+0442 ENG 85 BC 269 108.0 25
Show 22279+0442 ENG 85 AB 227 80.5 26
Show 22279+0442 ENG 85 AC 251 176.3 26
Show 22247+0356 CVR 944 113 28.0 40
Show 22256+0343 BAL2571 336 2.0 44
Show 22245+0349 STF2901 AB 149 3.3 48
Show 22245+0349 GWP3151 AC 215 28.5 48
Show 22300+0426 STF2912 Ba,Bb 287 0.0 50
Show 22300+0426 STF2912 AB 298 0.2 51
Show 22235+0351 STTA232 AB 193 76.0 57
Show 22235+0351 STTA232 AC 268 181.6 57
Show 22235+0351 STTA232 BC 292 177.4 58
Show 22229+0452 GWP3148 108 17.9 63
Show 22221+0409 GWP3147 80 33.4 69
Show 22296+0322 GRV 580 14 54.8 77
Show 22295+0530 LDS4972 54 56.1 79
Show 22263+0301 LDS4967 201 11.7 84
Show 22284+0305 LDS4970 245 25.8 84
Show 22214+0502 GRV 567 142 15.2 87
Show 22296+0538 BU 844 AB 35 98.6 88
Show 22319+0506 GWP3169 BC 352 8.6 88
Show 22296+0538 BU 844 BC 314 3.4 89
Show 22319+0506 GWP3168 AB 236 95.0 90
Show 22319+0506 GWP3169 AC 240 91.4 90
Show 22233+0539 HO 292 64 4.4 91
Show 22248+0239 BU 843 229 3.5 108
Show 22204+0520 CBL 540 271 31.5 109
Show 22338+0352 GRV 587 229 77.9 113
Show 22195+0501 TDT3464 207 0.7 113
Show 22312+0253 UC 4758 168 20.6 114
Show 22191+0401 CVR 939 122 7.6 115
Show 22240+0612 TOK 350 AB 7 171.3 116
Show 22240+0612 RAO 27 Aa,Ab 331 0.1 116
Show 22199+0526 OSO 176 308 13.7 119
Show 22314+0559 GWP3165 305 60.0 119
Show 22345+0413 STF2920 AB 144 13.7 119
Show 22345+0413 STF2920 AC 60 15.2 119
Show 22343+0345 HDS3201 17 0.1 122
Show 22205+0547 HJ 962 AB 17 6.4 125
Show 22205+0547 HJ 962 AC 228 18.0 125
Show 22297+0620 LIT 36 76 26.0 126
Show 22183+0442 HJ 3103 112 14.5 126
Show 22185+0459 GWP3145 140 91.7 127
Show 22321+0246 LDS5955 290 237.8 128
Show 22181+0427 BAL2569 106 3.5 128
Show 22205+0251 LDS5944 146 26.1 132
Show 22351+0346 LDS5958 290 371.4 132

 
 
WDS 22266+0424 : COMPONENTS
 
 
  A B
B pa=226.1°
sep=4.07"
 
C pa=268.9°
sep=126.01"
pa=270.2°
sep=123.06"
 
 
22266+0424 A
 
 
Name 34 Peg Coord arcsec 2000 222637.38+042337.1 Mag 5.81 Spectral class F7V (yellow-white)
PmRA 284.00 PmDE 54.0 SAO 127529 HIP 110785
Tycho2 0563-00833-1 HD 212754 HR 8548 GC 31355
BD BD+03 4705 Flamsteed 34 Pegasi Flamsteed name 34 Peg
Tycho2
Tycho2 0563-00833-1 Pflag RAmdeg 336.65578334 DEmdeg 4.39376075
PmRA 291.5 PmDE 50.7 E RAmdeg 3 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.65 EpDEm 1991.48
Num 14 Q RAmdeg 1.7 Q DEmdeg 1.5 Q pmRA 1.6
Q pmDE 1.5 BTmag 6.370 E BTmag 0.014 VTmag 5.814
E VTmag 0.009 Prox 999 TYC T HIP 110785
CCDM RAdeg 336.65511611 DEdeg 4.39364389 EpRA 1990 1.79
EpDE 1990 1.72 E RAdeg 3.4 E DEdeg 3.9 Posflg
Corr -0.2
SAO
SAO 127529 DelFlag RA1950 PmRA1950 0.02
DE1950 PmDE1950 0.053 Vmag 5.9 SpType G0
Double code Source 70 CatNum 31355 DM BD+03 4705
DMcomp BDsup HD 212754 M HD 0
GC 31355 RA1950rad 5.86464567 DE1950rad 0.07222201 PmRA2000 0.0201
PmDE2000 0.048
Hipparcos
Catalog H HIP 110785 Proxy RAhms 22 26 37.22
DEdms +04 23 37.1 Vmag 5.76 VarFlag R Vmag G
RAdeg 336.655 DEdeg 4.39364 AstroRef Plx 25.34
CCDM 22266+0424 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 212754 BD BD+03 4705
CD CP Dm number +03 4705 VIred 0.59
SpType F7V R SpType Coord arcsec 2000 222637.22+042337.1
Hipparcos 2
HIP 110785 Sn 1 So 2 Nc 1
RArad 5.8757395023 DErad 0.0766834452 Plx 26.21 PmRA 284.37
PmDE 53.86 E RArad 0.82 E DErad 0.58 E Plx 0.93
E pmRA 1.07 E pmDE 0.64 Hpmag 5.868 E Hpmag 0.001
SHp 0.006 VA 0 BV 0.519 E BV 0.005
VI 0.59
CCDM
Ccdm 22266+0424 RComp Comp A Note1
Note2 Discov num DRAs 1.50 DDEs -22.3
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.8 Sp G0 PmNote *
PmRA 323 PmDE 60 Dm number +03 4705 Cat1 BD
Name2 +04 3028 Cat2 AGK2/3 HD 212754 M HD
ADS BDS A15935 M ADS BDS N IDS IDS 22215N0353A
HIC 110785
 
 
22266+0424 B
 
 
Coord arcsec 2000 222637.18+042334.3 Mag 12.5 Calc delta mag 6.69 Calc coord yes
CCDM
Ccdm 22266+0424 RComp Comp B Note1
Note2 Discov num BU 290 DRAs DDEs
R dRAs Year 1937 Theta 224 Rho 3.5
Obs 9 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15935 M ADS BDS N IDS IDS 22215N0353B
HIC 110785
 
 
22266+0424 C
 
 
Coord arcsec 2000 222628.96+042334.7 Mag 14.73 PmRA 0.00 PmDE -8.0
Calc delta mag 8.92 Calc coord yes
CCDM
Ccdm 22266+0424 RComp Comp C Note1
Note2 Discov num BU 290 DRAs DDEs
R dRAs Year 1924 Theta 272 Rho 103.3
Obs 2 Vmag 12.8 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A15935 M ADS BDS N IDS IDS 22215N0353C
HIC