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Doubles in session


Current system
09466-4955
HDS 1414
HD 84847


Nearby doubles
1' : 09467-4955
TDS6801

18' : 09449-5001
B 2226

26' : 09479-4933
SKF 790

29' : 09469-5023
KPP2921

30' : 09450-4929
DUN 80AB

35' : 09500-4947
MOC 3AB
Natasha

39' : 09502-4937
COO 92

40' : 09473-4916
DAM1743

41' : 09504-5011
HJ 4257

43' : 09501-5022
RST2657

44' : 09468-4912
TDS6804

49' : 09420-4937
TDS 549

52' : 09452-5045
HDS1407

53' : 09417-5018
TDS6751

54' : 09521-4959
RST2661

54' : 09515-4931
I 1192

54' : 09468-5048
KPP2457

56' : 09473-4900
HDS1416

58' : 09496-4905
SKF1467

61' : 09475-5055
CPO 272

61' : 09434-4903
I 1188AB

61' : 09427-4907
DAM1707

67' : 09487-5058
DAM1766

67' : 09397-4953
SKF 789

68' : 09398-5008
RST4917

68' : 09487-5059
DAM1767



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.

09466-4955 HDS 1414 (HD 84847)

 
 
09h 46m 36.02s -49° 55' 00.3" P.A. 261.00 sep 0.0 mag 9.18,10.42 Sp G5IV dist. 146.41 pc (477.59 l.y.)
 
 
Coord 2000 09466-4955 Discov num HDS1414 Comp Coord arcsec 2000 09 46 36.02 -49 55 00.3
Date first 1991 Date last 2021 Obs 16
Pa first 337 Pa last 261 P.A. Now (θ) 261°
Sep first 0.2 Sep last 0.049 Sep. Now (ρ) 0.049"
Mag pri 9.18 Mag sec 10.42 delta mag (ΔM) 1.24 Spectral class G5IV (yellow)
Pri motion ra -014 Sec motion ra
Pri motion dec +029 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 84847 Constellation Vela SAO 221487 HIP 47969
Tycho2 8189-01055-1 Gaia DR2 5406004833610403072 HD 84847 CD CD-49 4673
CP CP-49 2772 Distance 146.41 Distance ly 477.59
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)71.9y Periastron (T)2019.2y Semi-major axis (a)0.16a
Eccentricity (e)0.8 Inclination (i)66.4° Longitude of periastron (ω)239.9°
Node (Ω)289.7° Notes ReferenceTok2018b
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 350.2 0.109
2001 352.9 0.105
2002 355.9 0.100
2003 359.1 0.095
2004 2.7 0.091
2005 6.6 0.086
2006 11.0 0.082
2007 15.8 0.078
2008 21.2 0.074
2009 27.1 0.070
2010 33.6 0.067
2011 40.7 0.065
2012 48.3 0.063
2013 56.3 0.061
2014 64.7 0.060
2015 73.5 0.059
2016 82.8 0.057
2017 92.9 0.053
2018 105.5 0.045
2019 131.5 0.025
2020 245.7 0.021
2021 275.8 0.049
2022 284.2 0.073
2023 288.8 0.092
2024 291.9 0.107
2025 294.3 0.120
2026 296.2 0.131
2027 297.9 0.141
2028 299.3 0.149
2029 300.6 0.156
2030 301.9 0.163


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


 
  


wds09466-4955b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)158y± 15.2 Periastron (T)2019.01y± 0.19 Semi-major axis (a)0.242a± 0.01
Eccentricity (e)0.84 Inclination (i)66°± 1.5 Longitude of periastron (ω)288.2°± 2.4
Node (Ω)283.5°± 2.9 Notes ReferenceTok2021f
Equinox Last observation2020 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 84.8 0.201
2001 85.6 0.197
2002 86.4 0.192
2003 87.2 0.188
2004 88.0 0.183
2005 88.9 0.178
2006 89.9 0.172
2007 90.9 0.166
2008 92.1 0.159
2009 93.3 0.152
2010 94.6 0.143
2011 96.2 0.135
2012 97.9 0.125
2013 100.0 0.114
2014 102.5 0.101
2015 105.9 0.086
2016 110.8 0.069
2017 119.5 0.049
2018 143.2 0.025
2019 231.6 0.019
2020 271.2 0.040
2021 283.8 0.057
2022 291.3 0.069
2023 296.9 0.077
2024 301.5 0.083
2025 305.5 0.087
2026 309.2 0.091
2027 312.7 0.094
2028 315.9 0.097
2029 318.9 0.099
2030 321.9 0.101


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


 
  


wds09466-4955c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 09466-4955 HDS 1414 (HD 84847) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2018b orb j Tokovinin, A. 2018IAUDS.194....1T
Tok2018b Inf. Circ. 194, 1, 2018
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
DISCOVERER
 
 
idgroup discov author
1 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
09466-4955 HDS1414 1991 1 337 0.2 9.18 10.42 G5IV 094636.02-495500.3
09466-4955 HDS1414 2015 2 76 0.1 9.18 10.42 G5IV 094636.02-495500.3
09466-4955 HDS1414 2017 9 94 0.1 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2018 11 129 0.0 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2019 13 194 0.0 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2020 14 247 0.0 9.18 10.42 G5IV O 094636.02-495500.3
09466-4955 HDS1414 2021 16 261 0.0 9.18 10.42 G5IV O 094636.02-495500.3

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

 
 
WDS 09466-4955 HDS 1414 (HD 84847) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 09466-4955 HDS 1414 (HD 84847) : MEASURES
 
 
No records found.

 
 
WDS 09466-4955 (HD 84847) : VIRTUAL EYEPIECE
 
 

09466-4955 HDS1414A mag 9.18 Sp G5IV 09466-4955 HDS1414B mag 10.42 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 09466-4955 (HD 84847) : ALADIN DSS IMAGE @ 09h 46m 36.02s -49° 55' 00.3"
 
 
 
 
WDS 09466-4955 HDS 1414 (HD 84847) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

09466-4955 HDS1414 distance=0' 09467-4955 TDS6801 distance=1' 09449-5001 B 2226 distance=18' 09479-4933 SKF 790 distance=26' 09469-5023 KPP2921 distance=29' 09450-4929 DUN 80AB distance=30' 09450-4929 TOK 65BC distance=30' 09500-4947 MOC 3AB (Natasha) distance=35' 09500-4947 MOC 3AC (Natasha) distance=35' 09502-4937 COO 92 distance=39' 09473-4916 DAM1743 distance=40' 09504-5011 HJ 4257 distance=41' 09501-5022 RST2657 distance=43' 09468-4912 TDS6804 distance=44' 09420-4937 TDS 549 distance=49' 09452-5045 HDS1407 distance=52' 09417-5018 TDS6751 distance=53' 09521-4959 RST2661 distance=54' 09515-4931 I 1192 distance=54' 09468-5048 KPP2457 distance=54' 09473-4900 HDS1416 distance=56' 09496-4905 SKF1467 distance=58' 09475-5055 CPO 272 distance=61' 09434-4903 I 1188AB distance=61' 09434-4903 I 1188AB,C distance=61' 09427-4907 DAM1707 distance=61' 09487-5058 DAM1766 distance=67' 09397-4953 SKF 789 distance=67' 09398-5008 RST4917 distance=68' 09487-5059 DAM1767 distance=68' 09487-5100 B 1662 distance=68' 09409-4913 R 128 distance=70' 09540-4936 KPP 818 distance=75' 09442-5108 CPO9125 distance=77' 09536-5039 TDS6886 distance=81' 09394-5038 DAM1684 distance=82' 09388-5030 HU 1467 distance=83' 09435-5114 B 1658 distance=85' 09394-5045 RST1446 distance=85' 09521-5102 BRT 768 distance=86' 09375-5000 HU 1465AB distance=89' 09375-5000 HU 1465AC distance=89' 09413-5109 HJ 4235AB distance=91' 09413-5109 SIN 45AC distance=91' 09413-5109 SIN 45AD distance=91' 09440-5122 DAM1716 distance=91' 09409-5108 DAM 723 distance=91' 09478-5126 KPP1624 distance=93' 09529-4846 KPP 982 distance=93' 09371-4926 DAM1669 distance=96' 09513-5120 RST1457 distance=96' 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 09466-4955 HDS1414 261 0.0
Show 09467-4955 TDS6801 225 0.8 1
Show 09449-5001 B 2226 327 13.6 18
Show 09479-4933 SKF 790 138 4.7 26
Show 09469-5023 KPP2921 26 3.4 29
Show 09450-4929 DUN 80 AB 250 18.9 30
Show 09450-4929 TOK 65 BC 328 9.4 30
Show Natasha 09500-4947 MOC 3 AB 352 4.8 35
Show Natasha 09500-4947 MOC 3 AC 37 5.4 35
Show 09502-4937 COO 92 25 5.9 39
Show 09473-4916 DAM1743 104 3.2 40
Show 09504-5011 HJ 4257 121 19.5 41
Show 09501-5022 RST2657 48 0.5 43
Show 09468-4912 TDS6804 182 1.1 44
Show 09420-4937 TDS 549 75 0.9 49
Show 09452-5045 HDS1407 233 12.9 52
Show 09417-5018 TDS6751 111 2.3 53
Show 09521-4959 RST2661 174 1.1 54
Show 09515-4931 I 1192 132 0.2 54
Show 09468-5048 KPP2457 245 21.8 54
Show 09473-4900 HDS1416 189 5.6 56
Show 09496-4905 SKF1467 299 20.6 58
Show 09475-5055 CPO 272 314 3.8 61
Show 09434-4903 I 1188 AB 325 0.1 61
Show 09434-4903 I 1188 AB,C 92 4.5 61
Show 09427-4907 DAM1707 194 11.7 61
Show 09487-5058 DAM1766 83 4.6 67
Show 09397-4953 SKF 789 29 6.8 67
Show 09398-5008 RST4917 48 0.7 68
Show 09487-5059 DAM1767 1 2.1 68
Show 09487-5100 B 1662 127 0.5 68
Show 09409-4913 R 128 287 31.5 70
Show 09540-4936 KPP 818 238 7.0 75
Show 09442-5108 CPO9125 320 6.0 77
Show 09536-5039 TDS6886 317 1.1 81
Show 09394-5038 DAM1684 296 2.2 82
Show 09388-5030 HU 1467 310 6.5 83
Show 09435-5114 B 1658 200 2.0 85
Show 09394-5045 RST1446 159 0.8 85
Show 09521-5102 BRT 768 1 4.9 86
Show 09375-5000 HU 1465 AB 199 3.6 89
Show 09375-5000 HU 1465 AC 177 38.9 89
Show 09413-5109 HJ 4235 AB 87 5.2 91
Show 09413-5109 SIN 45 AC 268 65.1 91
Show 09413-5109 SIN 45 AD 268 70.3 91
Show 09440-5122 DAM1716 84 7.1 91
Show 09409-5108 DAM 723 50 4.7 91
Show 09478-5126 KPP1624 52 12.5 93
Show 09529-4846 KPP 982 56 8.0 93
Show 09371-4926 DAM1669 205 7.6 96
Show 09513-5120 RST1457 109 2.5 96

 
 
WDS 09466-4955 : COMPONENTS
 
 
  A
B pa=256.2°
sep=0.03"
 
 
09466-4955 A
 
 
Componente originario normalizzato AB Name HD 84847 Coord arcsec 2000 094636.02-495500.3 Mag 9.18
Spectral class G5IV (yellow) PmRA -14.00 PmDE 29.0 SAO 221487
HIP 47969 Tycho2 8189-01055-1 HD 84847 CD CD-49 4673
CP CP-49 2772
Tycho2
Tycho2 8189-01055-1 Pflag RAmdeg 146.65004186 DEmdeg -49.91667565
PmRA -13.9 PmDE 29.7 E RAmdeg 10 E DEmdeg 10
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.00 EpDEm 1990.98
Num 6 Q RAmdeg 1.5 Q DEmdeg 0.6 Q pmRA 1.5
Q pmDE 0.6 BTmag 9.715 E BTmag 0.022 VTmag 8.806
E VTmag 0.015 Prox 425 TYC T HIP 47969
CCDM AB RAdeg 146.65009250 DEdeg -49.91674500 EpRA 1990 1.59
EpDE 1990 1.61 E RAdeg 10.3 E DEdeg 9.8 Posflg P
Corr -0.1
SAO
SAO 221487 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 0.014 Vmag 9 SpType G0
Double code Source 48 CatNum 7789 DM CP-49 2772
DMcomp BDsup HD 84847 M HD 0
GC RA1950rad 2.55153291 DE1950rad -0.86717103 PmRA2000 -0.0013
PmDE2000 0.016
Hipparcos
Catalog H HIP 47969 Proxy H RAhms 09 46 36.02
DEdms -49 55 00.3 Vmag 8.73 VarFlag R Vmag H
RAdeg 146.65 DEdeg -49.9167 AstroRef * Plx 6.56
CCDM 09466-4955 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 337 Rho 0.15 HD 84847 BD
CD CD-49 4673 CP CP-49 2772 Dm number -49 4673 VIred 0.82
SpType G5IV R SpType Coord arcsec 2000 094636.02-495500.3
Hipparcos 2
HIP 47969 Sn 55 So 3 Nc 2
RArad 2.5595270252 DErad -0.8712116305 Plx 6.83 PmRA -14.44
PmDE 28.17 E RArad 0.68 E DErad 0.66 E Plx 0.88
E pmRA 0.82 E pmDE 0.82 Hpmag 8.8771 E Hpmag 0.0019
SHp 0.018 VA 0 BV 0.797 E BV 0.019
VI 0.83
CCDM
Ccdm 09466-4955 RComp Comp A Note1
Note2 Discov num DRAs 0.01 DDEs -0.1
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.2 Sp G5 PmNote *
PmRA -14 PmDE 29 Dm number -49 4673 Cat1 CD
Name2 221487 Cat2 SAO HD 84847 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 47969
 
 
09466-4955 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 094636.02-495500.3 Mag 10.42 Calc delta mag 1.24
Calc coord yes
CCDM
Ccdm 09466-4955 RComp Comp B Note1
Note2 Discov num HDS DRAs 0.00 DDEs 0.0
R dRAs 82 Year 1991 Theta 337 Rho 0.2
Obs 1 Vmag 10.4 Sp PmNote *
PmRA -14 PmDE 29 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 47969