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Doubles in session


Current system
22051+5142
HDS 3134 AB
HD 209870


Nearby doubles
18' : 22048+5125
HJ 1724

22' : 22043+5122
TOB 223

23' : 22030+5131
ES 1109

26' : 22078+5143
TDT3359

34' : 22086+5132
ES 1112

35' : 22055+5108
ES 1110

44' : 22015+5114
HJ 1716AB

54' : 22044+5049
CBL 98

54' : 22086+5225
ES 1111

54' : 22090+5103
FAL 74

54' : 22001+5208
COU2657

56' : 21599+5116
TDT3281

58' : 22045+5239
HU 776

60' : 22005+5223
TDT3287

66' : 21596+5223
HU 775AB

66' : 21590+5111
ES 1108

67' : 22053+5036
TDT3331

67' : 22091+5047
BU 375

68' : 22115+5110
COU2660

69' : 22099+5235
LEP 105

72' : 22097+5239
HEI 883

72' : 21583+5215
AMS 8

73' : 22044+5254
TDT3323

74' : 21588+5227
HU 773

75' : 22116+5226
MZA 31AB

78' : 22115+5232
COU2659



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.

22051+5142 HDS 3134 AB (HD 209870)

 
 
22h 05m 07.40s +51° 42' 01.0" P.A. 354.00 sep 1.0 mag 7.32,11.24 Sp A2 dist. 162.34 pc (529.55 l.y.)
 
 
Coord 2000 22051+5142 Discov num HDS3134 Comp AB Coord arcsec 2000 22 05 07.40 +51 42 01.0
Date first 1991 Date last 2014 Obs 6
Pa first 351 Pa last 354.4 P.A. Now (θ) 354.4°
Sep first 0.9 Sep last 1.013 Sep. Now (ρ) 1.013"
Mag pri 7.32 Mag sec 11.24 delta mag (ΔM) 3.92 Spectral class A2 (white)
Pri motion ra -009 Sec motion ra -010
Pri motion dec -037 Sec motion dec -036
Notes
rPM=0.037 (< 0.3, Physical double)
This double is physical.
 
 
22051+5142 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 34033 22 05 07 +51 42 01 GII 296 Aa,Ab 2014 1 107 0.1 8.10 8.10 0.00
Show HD 209870 34033 22 05 07 +51 42 01 HDS 3134 AB 2014 6 354 1.0 7.32 11.24 3.92 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 209870 Constellation Lacerta SAO 34033 HIP 109015
Tycho2 3617-02019-1 HD 209870 BD BD+50 3549 Distance 162.34
Distance ly 529.55
 
 
WDS 22051+5142 HDS 3134 AB (HD 209870) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gii1991 Ma j Gili, R. 1991AN....312...41G
Gii1991 AN 312, 41, 1991
Gii1994 M+ j Gili, R. (Couteau & Gili) 1994A&AS..106..377G
Gii1994 +C A&AS 106, 377, 1994
Gii1997 M+ j Gili, R. & Couteau, P. 1997A&AS..126....1G
Gii1997 +C A&AS 126, 1, 1997
Gii2001 C j Gili, R. & Bonneau, D. 2001A&A...378..954G
Gii2001 A&A 378, 954, 2001
Gii2008 C j Gili, R. 2008IAUDS.165....1G
Gii2008 Inf. Circ. 165, 1, 2008
Gii2009 S j Gili, R. 2009IAUDS.168....1G
Gii2009 +orb Inf. Circ. 168, 1, 2009
Gii2009b C j Gili, R. & Agati, J.-L. 2009O&T....73....9G
Gii2009b +S Obs. et Travaux 73, 9, 2009
Gii2009c C j Gili, R. & Agati, J.-L. 2009O&T....74...14G
Gii2009c +S Obs. et Travaux 74, 14, 2009
Gii2012 S j Gili, R. & Prieur, J.-L. 2012AN....333..727G
Gii2012 +Cl AN 333, 727, 2012
Gii2016 S j Gili, R. 2016IAUDS.190....4G
Gii2016 +Cl Inf. Circ. 190, 4, 2016
Gii2016b Cl Gili, R.
Gii2016b private comm. (email 27 Aug 2016)
Gii2020 S Gili, R., Prieur, J.-L., Rivet, J.-P., Scardia, M., Pansecchi, L., Argyle, R.W., 2020AN....341..441G
Gii2020 +Cl Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D. & Maccarini, L.
Gii2020 AN 341, 441, 2020
Gii2021 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2021AN....342..865G
Gii2021 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2021 Maccarini, L. & Serot, J.
Gii2021 AN 342, 865, 2021
Gii2022 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2022AN....34324008G
Gii2022 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2022 Maccarini, L. & Serot, J.
Gii2022 AN 343, 24008, 2022
Gii2022 errata for Gii2022 (source of code "P" measures in wds) 2023AN....34437001G
Gii2022 AN 344, 37001, 2023
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
22051+5142 HDS3134 AB 2014 6 354 1.0 7.32 11.24 A2 220507.40+514201.0

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

 
 
WDS 22051+5142 HDS 3134 AB (HD 209870) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 22051+5142 HDS 3134 AB (HD 209870) : MEASURES
 
 
No records found.

 
 
WDS 22051+5142 (HD 209870) : VIRTUAL EYEPIECE
 
 

22051+5142 HDS3134A mag 7.32 Sp A2 22051+5142 GII 296Ab sep 0.1 P.A. 116.30 mag 8.1 22051+5142 HDS3134B sep 1.0 P.A. 356.50 mag 11.24 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 22051+5142 (HD 209870) : ALADIN DSS IMAGE @ 22h 05m 07.40s +51° 42' 01.0"
 
 
 
 
WDS 22051+5142 HDS 3134 AB (HD 209870) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

22051+5142 HDS3134AB distance=0' 22048+5125 HJ 1724 distance=18' 22043+5122 TOB 223 distance=22' 22030+5131 ES 1109 distance=23' 22078+5143 TDT3359 distance=26' 22086+5132 ES 1112 distance=34' 22055+5108 ES 1110 distance=35' 22015+5114 HJ 1716BD distance=44' 22015+5114 HJ 1716AB distance=44' 22015+5114 HJ 1716AC distance=44' 22044+5049 CBL 98 distance=54' 22086+5225 ES 1111 distance=54' 22090+5103 FAL 74 distance=54' 22001+5208 COU2657 distance=54' 21599+5116 TDT3281 distance=56' 22045+5239 HU 776 distance=58' 22005+5223 TDT3287 distance=60' 21596+5223 HU 775AB distance=66' 21596+5223 HU 775AC distance=66' 21590+5111 ES 1108 distance=66' 22053+5036 TDT3331 distance=67' 22091+5047 BU 375 distance=67' 22115+5110 COU2660 distance=68' 22099+5235 LEP 105 distance=69' 22097+5239 HEI 883 distance=72' 21583+5215 AMS 8 distance=72' 22044+5254 TDT3323 distance=73' 21588+5227 HU 773 distance=74' 22116+5226 MZA 31AB distance=75' 22116+5226 CIA 44Aa,Ab distance=75' 22115+5232 COU2659 distance=78' 22112+5049 HJ 1741AB distance=78' 22112+5049 HJ 1741AC distance=78' 22112+5049 HJ 1741AD distance=78' 22112+5049 DRS 21AE distance=78' 22005+5038 TDT3288 distance=78' 21568+5132 TDT3253 distance=78' 22075+5024 HJ 1732 distance=82' 22141+5142 TDT3419 distance=84' 22088+5258 ES 1016 distance=84' 21595+5037 HJ 1710 distance=84' 22129+5058 HU 695 distance=85' 21578+5234 ARN 98 distance=85' 21564+5207 AMS 9 distance=85' 22077+5020 COU2550 distance=86' 22091+5014 COU2658 distance=86' 21584+5245 ES 1015AB distance=88' 21584+5245 ES 1015AC distance=88' 22105+5256 NSN 751 distance=90' 21559+5212 ES 1106AB distance=90' 21559+5212 ES 1106AC distance=90' 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 22051+5142 HDS3134 AB 354 1.0
Show 22051+5142 GII 296 Aa,Ab 107 0.1
Show 22048+5125 HJ 1724 225 13.4 18
Show 22043+5122 TOB 223 184 15.0 22
Show 22030+5131 ES 1109 113 5.0 23
Show 22078+5143 TDT3359 52 2.5 26
Show 22086+5132 ES 1112 227 1.7 34
Show 22055+5108 ES 1110 2 2.2 35
Show 22015+5114 HJ 1716 BD 127 8.9 44
Show 22015+5114 HJ 1716 AB 88 5.8 44
Show 22015+5114 HJ 1716 AC 297 7.0 44
Show 22044+5049 CBL 98 314 37.1 54
Show 22086+5225 ES 1111 275 7.8 54
Show 22090+5103 FAL 74 81 2.6 54
Show 22001+5208 COU2657 314 0.2 54
Show 21599+5116 TDT3281 284 1.9 56
Show 22045+5239 HU 776 357 0.2 58
Show 22005+5223 TDT3287 30 1.7 60
Show 21596+5223 HU 775 AB 218 2.2 66
Show 21596+5223 HU 775 AC 176 16.3 66
Show 21590+5111 ES 1108 249 6.9 66
Show 22053+5036 TDT3331 270 0.5 67
Show 22091+5047 BU 375 301 1.0 67
Show 22115+5110 COU2660 249 0.7 68
Show 22099+5235 LEP 105 180 8.8 69
Show 22097+5239 HEI 883 109 3.0 72
Show 21583+5215 AMS 8 257 14.3 72
Show 22044+5254 TDT3323 112 1.6 73
Show 21588+5227 HU 773 322 4.6 74
Show 22116+5226 MZA 31 AB 334 5.8 75
Show 22116+5226 CIA 44 Aa,Ab 71 0.0 75
Show 22115+5232 COU2659 161 1.2 78
Show 22112+5049 HJ 1741 AB 286 37.8 78
Show 22112+5049 HJ 1741 AC 270 64.0 78
Show 22112+5049 HJ 1741 AD 271 73.5 78
Show 22112+5049 DRS 21 AE 243 10.9 78
Show 22005+5038 TDT3288 47 0.7 78
Show 21568+5132 TDT3253 348 0.7 78
Show 22075+5024 HJ 1732 247 9.4 82
Show 22141+5142 TDT3419 118 0.5 84
Show 22088+5258 ES 1016 306 4.0 84
Show 21595+5037 HJ 1710 284 12.2 84
Show 22129+5058 HU 695 17 0.8 85
Show 21578+5234 ARN 98 265 35.8 85
Show 21564+5207 AMS 9 58 9.5 85
Show 22077+5020 COU2550 114 0.7 86
Show 22091+5014 COU2658 212 0.3 86
Show 21584+5245 ES 1015 AB 239 8.2 88
Show 21584+5245 ES 1015 AC 345 10.1 88
Show 22105+5256 NSN 751 304 1.7 90
Show 21559+5212 ES 1106 AB 11 4.8 90

 
 
WDS 22051+5142 : COMPONENTS
 
 
  A Ab
Ab pa=116.3°
sep=0.08"
 
B pa=356.5°
sep=1.01"
pa=352.6°
sep=1.05"
 
 
22051+5142 A
 
 
Name HD 209870 Coord arcsec 2000 220507.40+514201.0 Mag 7.32 Spectral class A2 (white)
PmRA -9.00 PmDE -37.0 SAO 34033 HIP 109015
Tycho2 3617-02019-1 HD 209870 BD BD+50 3549
Tycho2
Tycho2 3617-02019-1 Pflag RAmdeg 331.28085177 DEmdeg 51.70028659
PmRA -8.9 PmDE -36.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.5 EpRAm 1991.48 EpDEm 1991.54
Num 8 Q RAmdeg 0.8 Q DEmdeg 0.5 Q pmRA 0.8
Q pmDE 0.5 BTmag 7.481 E BTmag 0.015 VTmag 7.320
E VTmag 0.010 Prox 9 TYC T HIP 109015
CCDM A RAdeg 331.28088500 DEdeg 51.70037139 EpRA 1990 1.68
EpDE 1990 1.72 E RAdeg 4.0 E DEdeg 4.1 Posflg
Corr 0.1
SAO
SAO 34033 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 -0.032 Vmag 7.8 SpType A2
Double code Source 37 CatNum 7440 DM BD+50 3549
DMcomp BDsup HD 209870 M HD 0
GC RA1950rad 5.77372713 DE1950rad 0.89809786 PmRA2000 -0.0015
PmDE2000 -0.036
Hipparcos
Catalog H HIP 109015 Proxy H RAhms 22 05 07.41
DEdms +51 42 01.4 Vmag 7.28 VarFlag R Vmag H
RAdeg 331.281 DEdeg 51.7004 AstroRef A Plx 5.18
CCDM 22051+5142 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 351 Rho 0.915 HD 209870 BD BD+50 3549
CD CP Dm number +50 3549 VIred 0.14
SpType A2 R SpType Coord arcsec 2000 220507.41+514201.4
Hipparcos 2
HIP 109015 Sn 15 So 3 Nc 2
RArad 5.7819422418 DErad 0.9023418016 Plx 6.16 PmRA -9.72
PmDE -35.4 E RArad 0.44 E DErad 0.41 E Plx 0.55
E pmRA 0.45 E pmDE 0.38 Hpmag 7.3305 E Hpmag 0.0011
SHp 0.011 VA 0 BV 0.14 E BV 0.008
VI 0.15
CCDM
Ccdm 22051+5142 RComp Comp A Note1
Note2 Discov num DRAs 1.40 DDEs 1.0
R dRAs 82 Year Theta Rho
Obs 2 Vmag 7.4 Sp A2 PmNote *
PmRA -10 PmDE -36 Dm number +50 3549 Cat1 BD
Name2 +51 1619 Cat2 AGK2/3 HD 209870 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 109015
 
 
22051+5142 Ab
 
 
Coord arcsec 2000 220507.41+514201.0 Mag 8.1 Calc coord yes
 
 
22051+5142 B
 
 
Coord arcsec 2000 220507.39+514202.0 Mag 11.24 PmRA -10.00 PmDE -36.0
Calc delta mag 3.14 Calc coord yes
CCDM
Ccdm 22051+5142 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.39 DDEs 1.9
R dRAs 82 Year 1991 Theta 351 Rho 0.9
Obs 1 Vmag 11.2 Sp PmNote *
PmRA -10 PmDE -36 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 109015