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Doubles in session


Current system
22052+0911
HJ 3087
Iot Peg


Nearby doubles
33' : 22050+0838
OSO 168AB

37' : 22077+0913
HJ 3090

42' : 22073+0842
CVR 258

43' : 22043+0952
NI 43

56' : 22042+1004
FMR 167

57' : 22062+1006
STF2857

59' : 22060+0813
YSC 74

69' : 22048+1018
LDS4941

71' : 22005+0926
GRV 528

74' : 22063+0759
UC 4647

87' : 22091+0807
ITF 1

90' : 22002+0822
OSO 165

99' : 22098+0800
HJ 955

99' : 21586+0931
HJ 3077

100' : 22067+0734
GWP3124

103' : 22051+1053
GWP3121

103' : 22031+1048
GRV 537

103' : 22100+0757
STF2867AB

108' : 21591+0814
GWP3110

110' : 22049+1107
DOO 89

110' : 22110+1020
UC 270

112' : 22090+1047
J 204

113' : 22107+0755
WOR 10

113' : 22122+0828
HDS3150

118' : 22020+1058
HDS3126

119' : 22036+1108
BPM2423



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.

22052+0911 HJ 3087 (Iot Peg)

 
 
22h 05m 12.94s +09° 11' 03.5" P.A. 100.00 sep 29.9 mag 8.54,12.16 Sp K0 dist. 11.73 pc (38.26 l.y.)
 
 
Coord 2000 22052+0911 Discov num HJ 3087 Comp Coord arcsec 2000 22 05 12.94 +09 11 03.5
Date first 1830 Date last 2015 Obs 11
Pa first 104 Pa last 99.5 P.A. Now (θ) 99.5°
Sep first 30.0 Sep last 29.932 Sep. Now (ρ) 29.932"
Mag pri 8.54 Mag sec 12.16 delta mag (ΔM) 3.62 Spectral class K0 (yellow-orange)
Pri motion ra +004 Sec motion ra +008
Pri motion dec -014 Sec motion dec -004
Notes
rPM=0.74
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Iot Peg Var name NSV14034 Peg Constellation Pegasus SAO 127277
HIP 109176 Tycho2 1136-00039-1 Gaia DR2 2725391361901178112 HD 210027
HR 8430 GC 30932 GL Gl 848 BD BD+08 4788
Bayer Iota Pegasi Bayer name Iot Peg FK5 831 Distance 11.73
Distance ly 38.26 Bayer greek ι Peg
 
 
ORBITAL ELEMENTS
 
 
Period (P)10.213025d± 0.000002 Periastron (T)52997.378m (2003.979y)± 0.052 Semi-major axis (a)10.329m± 0.016
Eccentricity (e)0.001764± 0.000063 Inclination (i)95.83°± 0.12 Longitude of periastron (ω)272.8°± 0.18
Node (Ω)176.262°± 0.075 Notesn ReferenceKnc2010
Equinox2000 Last observation Grade8(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 357.8 0.010
2001-01-01 146.8 0.002
2002-01-01 176.8 0.010
2003-01-01 279.0 0.001
2004-01-01 356.0 0.010
2005-01-01 33.5 0.002
2006-01-01 175.0 0.010
2007-01-01 195.1 0.003
2008-01-01 354.1 0.010
2009-01-01 8.3 0.005
2010-01-01 172.9 0.009
2011-01-01 184.7 0.006
2012-01-01 351.6 0.008
2013-01-01 2.4 0.007
2014-01-01 169.8 0.007
2015-01-01 180.7 0.008
2016-01-01 347.5 0.006
2017-01-01 359.5 0.009
2018-01-01 163.6 0.004
2019-01-01 178.3 0.010
2020-01-01 336.2 0.003
2021-01-01 357.4 0.010
2022-01-01 134.6 0.002
2023-01-01 176.5 0.010
2024-01-01 244.0 0.001
2025-01-01 355.6 0.010
2026-01-01 23.3 0.002
2027-01-01 174.6 0.010
2028-01-01 191.6 0.004
2029-01-01 353.6 0.009
2030-01-01 6.6 0.005


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


 
  


wds22070%2B2521r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 22052+0911 HJ 3087 (Iot Peg) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Knc2010 orb - Konacki, M., Muterspaugh, M.W., Kulnarni, S.R., & Helminiak, K.G. 2010ApJ...719.1293K
Knc2010 ApJ 719, 1293, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22052+0911 HJ 3087 2000 5 100 29.9 8.54 12.17 K0 D 220512.94+091103.5
22052+0911 HJ 3087 2010 7 100 29.8 8.54 12.16 K0 220512.94+091103.5
22052+0911 HJ 3087 2015 8 100 29.9 8.54 12.16 K0 220512.94+091103.5

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

 
 
WDS 22052+0911 HJ 3087 (Iot Peg) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22052+0911 HJ 3087 (Iot Peg) : MEASURES
 
 
No records found.

 
 
WDS 22052+0911 (Iot Peg) : VIRTUAL EYEPIECE
 
 

22052+0911 HJ 3087A mag 8.54 Sp K0 22052+0911 HJ 3087B sep 29.6 P.A. 99.60 mag 12.16 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 22052+0911 (Iot Peg) : ALADIN DSS IMAGE @ 22h 05m 12.94s +09° 11' 03.5"
 
 
 
 
WDS 22052+0911 HJ 3087 (Iot Peg) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22052+0911 HJ 3087 distance=1' 22050+0838 OSO 168AB distance=33' 22050+0838 LDS4942AC distance=33' 22077+0913 HJ 3090 distance=37' 22073+0842 CVR 258 distance=42' 22043+0952 NI 43 distance=43' 22042+1004 FMR 167 distance=56' 22062+1006 STF2857 distance=57' 22060+0813 YSC 74 distance=59' 22048+1018 LDS4941 distance=69' 22005+0926 GRV 528 distance=71' 22063+0759 UC 4647 distance=74' 22091+0807 ITF 1 distance=87' 22002+0822 OSO 165 distance=90' 22098+0800 HJ 955 distance=99' 21586+0931 HJ 3077 distance=99' 22067+0734 GWP3124 distance=100' 22051+1053 GWP3121 distance=103' 22031+1048 GRV 537 distance=103' 22100+0757 STF2867AB distance=103' 22100+0757 ABH 159AD distance=103' 22100+0757 STF2867BC distance=103' 21591+0814 GWP3110 distance=108' 22049+1107 DOO 89 distance=110' 22110+1020 UC 270 distance=110' 22090+1047 J 204 distance=112' 22107+0755 WOR 10 distance=113' 22122+0828 HDS3150 distance=113' 22020+1058 HDS3126 distance=118' 22036+1108 BPM2423 distance=119' 21570+0900 SKF2809 distance=122' 22027+1110 BPM2421 distance=126' 21573+0825 HJ 5523 distance=130' 22042+1120 KPP 503 distance=130' 22046+1122 OSO 167 distance=132' 22027+1118 LDS4937 distance=132' 22121+0748 UC 4678 distance=132' 22041+0657 GWP3119 distance=135' 22116+0735 BRT2193 distance=135' 21562+0935 A 621 distance=136' 22050+1128 HJ 291 distance=137' 22010+1116 BPM2419 distance=140' 22050+1130 HJ 290 distance=140' 22005+1113 GWP3115AB distance=140' 22066+0653 SLW1261 distance=140' 22035+0652 HJ 3084 distance=142' 22035+0649 HJ 3083 distance=145' 21572+1047 A 622 distance=153' 22137+0743 BU 699AB distance=155' 22137+0743 BU 699AC distance=155' 22145+0759 STF2878AB distance=156' 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 22052+0911 HJ 3087 100 29.9 1
Show 22050+0838 OSO 168 AB 329 13.4 33
Show 22050+0838 LDS4942 AC 50 128.2 33
Show 22077+0913 HJ 3090 81 1.6 37
Show 22073+0842 CVR 258 127 32.9 42
Show 22043+0952 NI 43 135 40.5 43
Show 22042+1004 FMR 167 286 12.3 56
Show 22062+1006 STF2857 113 19.9 57
Show 22060+0813 YSC 74 219 0.2 59
Show 22048+1018 LDS4941 263 163.2 69
Show 22005+0926 GRV 528 235 21.4 71
Show 22063+0759 UC 4647 276 18.5 74
Show 22091+0807 ITF 1 64 18.7 87
Show 22002+0822 OSO 165 36 9.7 90
Show 22098+0800 HJ 955 317 9.5 99
Show 21586+0931 HJ 3077 36 36.1 99
Show 22067+0734 GWP3124 48 12.7 100
Show 22051+1053 GWP3121 72 9.1 103
Show 22031+1048 GRV 537 173 36.1 103
Show 22100+0757 STF2867 AB 208 10.5 103
Show 22100+0757 ABH 159 AD 219 95.5 103
Show 22100+0757 STF2867 BC 247 6.3 103
Show 21591+0814 GWP3110 31 19.6 108
Show 22049+1107 DOO 89 327 8.8 110
Show 22110+1020 UC 270 155 42.0 110
Show 22090+1047 J 204 335 5.6 112
Show 22107+0755 WOR 10 2 1.0 113
Show 22122+0828 HDS3150 294 0.2 113
Show 22020+1058 HDS3126 269 0.5 118
Show 22036+1108 BPM2423 101 114.0 119
Show 21570+0900 SKF2809 303 104.4 122
Show 22027+1110 BPM2421 76 110.7 126
Show 21573+0825 HJ 5523 204 20.4 130
Show 22042+1120 KPP 503 291 3.9 130
Show 22046+1122 OSO 167 100 63.7 132
Show 22027+1118 LDS4937 64 141.4 132
Show 22121+0748 UC 4678 303 23.8 132
Show 22041+0657 GWP3119 9 14.6 135
Show 22116+0735 BRT2193 268 3.1 135
Show 21562+0935 A 621 86 0.1 136
Show 22050+1128 HJ 291 264 8.7 137
Show 22010+1116 BPM2419 213 72.3 140
Show 22050+1130 HJ 290 281 12.2 140
Show 22005+1113 GWP3115 AB 272 15.9 140
Show 22066+0653 SLW1261 345 71.3 140
Show 22035+0652 HJ 3084 53 15.1 142
Show 22035+0649 HJ 3083 210 31.6 145
Show 21572+1047 A 622 284 0.2 153
Show 22137+0743 BU 699 AB 185 2.5 155
Show 22137+0743 BU 699 AC 322 50.6 155
Show 22145+0759 STF2878 AB 116 1.6 156

 
 
WDS 22052+0911 : COMPONENTS
 
 
  A
B pa=99.6°
sep=29.56"
 
 
22052+0911 A
 
 
Componente originario normalizzato AB Name Iot Peg Coord arcsec 2000 220512.94+091103.5 Mag 8.54
Spectral class K0 (yellow-orange) PmRA 4.00 PmDE -14.0 SAO 127277
HIP 109025 Tycho2 1136-00039-1 HD 209695 BD BD+08 4788
Tycho2
Tycho2 1136-00039-1 Pflag RAmdeg 331.30393297 DEmdeg 9.18429574
PmRA 3.7 PmDE -13.8 E RAmdeg 8 E DEmdeg 9
E pmRA 1.2 E pmDE 1.4 EpRAm 1990.75 EpDEm 1990.79
Num 12 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.8
Q pmDE 0.8 BTmag 10.191 E BTmag 0.028 VTmag 8.536
E VTmag 0.013 Prox 304 TYC T HIP 109025
CCDM RAdeg 331.30392417 DEdeg 9.18432750 EpRA 1990 1.83
EpDE 1990 1.67 E RAdeg 8.2 E DEdeg 9.3 Posflg
Corr -0.3
SAO
SAO 127277 DelFlag RA1950 PmRA1950 0.0006
DE1950 PmDE1950 -0.003 Vmag 8.5 SpType K0
Double code Source 32 CatNum 11101 DM BD+08 4788
DMcomp BDsup HD 209695 M HD 0
GC RA1950rad 5.77153613 DE1950rad 0.15605052 PmRA2000 0.0007
PmDE2000 -0.008
Hipparcos
Catalog H HIP 109025 Proxy RAhms 22 05 12.94
DEdms +09 11 03.6 Vmag 8.39 VarFlag R Vmag H
RAdeg 331.304 DEdeg 9.18433 AstroRef Plx 1.91
CCDM 22052+0911 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 209695 BD BD+08 4788
CD CP Dm number +08 4788 VIred 1.18
SpType K0 R SpType Coord arcsec 2000 220512.94+091103.6
Hipparcos 2
HIP 109025 Sn 5 So 0 Nc 1
RArad 5.7823443169 DErad 0.1602967263 Plx 1.35 PmRA 4.23
PmDE -13.66 E RArad 0.97 E DErad 0.65 E Plx 1.03
E pmRA 1.12 E pmDE 0.85 Hpmag 8.5466 E Hpmag 0.0017
SHp 0.017 VA 0 BV 1.347 E BV 0.024
VI 1.31
CCDM
Ccdm 22052+0911 RComp Comp A Note1
Note2 Discov num DRAs 0.97 DDEs 2.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp K0 PmNote *
PmRA 15 PmDE -23 Dm number +08 4788 Cat1 BD
Name2 +08 3052 Cat2 AGK2/3 HD 209695 M HD
ADS BDS B11470 M ADS BDS N IDS IDS 22003N0842A
HIC 109025
 
 
22052+0911 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 220514.91+091058.6 Mag 12.16 PmRA 8.00
PmDE -4.0 Tycho2 1136-00585-1 Calc delta mag 3.62 Calc coord yes
Tycho2
Tycho2 1136-00585-1 Pflag RAmdeg 331.31240571 DEmdeg 9.18281370
PmRA 21.8 PmDE -11.4 E RAmdeg 100 E DEmdeg 110
E pmRA 4.3 E pmDE 4.1 EpRAm 1983.22 EpDEm 1979.99
Num 2 Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 13.354 E BTmag 0.350 VTmag 12.165
E VTmag 0.207 Prox 304 TYC HIP
CCDM RAdeg 331.31235583 DEdeg 9.18284000 EpRA 1990 1.85
EpDE 1990 1.71 E RAdeg 106.8 E DEdeg 119.6 Posflg
Corr -0.4
CCDM
Ccdm 22052+0911 RComp Comp B Note1
Note2 Discov num HJ 3087 DRAs DDEs
R dRAs Year 1908 Theta 103 Rho 30.6
Obs 1 Vmag 13.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B11470 M ADS BDS N IDS IDS 22003N0842B
HIC