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Doubles in session


Current system
14581-4852
WSI 80
HD 131923


Nearby doubles
17' : 14575-4837
RST 737

20' : 14562-4857
KPP3940

25' : 14567-4832
HDS2109

28' : 14563-4831
CPO9187AB

37' : 14568-4925
RST 735

46' : 14542-4829
BRT 834

51' : 14532-4836
RST 732

56' : 14591-4757
RSS 358

57' : 14524-4845
RST 730

58' : 14538-4930
CPO 404

62' : 14565-4753
HJ 4715

70' : 14535-4944
RST 733

72' : 15053-4854
BRT 845

74' : 14568-4739
RST 736

75' : 14508-4910
I 950AB

81' : 15044-4945
HJ 4726

81' : 14568-4732
TDS9349

86' : 14585-4726
CPO 62AB

87' : 14496-4836
HRG 103AB

89' : 15012-5015
BRT 841

89' : 15071-4903
SKF 971

94' : 15022-4727
CPO 409

95' : 14518-5002
RST 728

97' : 14580-5028
RST 739

98' : 14515-4741
RSS 352

98' : 15080-4845
CPO 414



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.

14581-4852 WSI 80 (HD 131923)

 
 
14h 58m 08.79s -48° 51' 46.8" P.A. 257.00 sep 0.2 mag 6.40,10.70 Sp G4V dist. 23.85 pc (77.8 l.y.)
 
 
Coord 2000 14581-4852 Discov num WSI  80 Comp Coord arcsec 2000 14 58 08.79 -48 51 46.8
Date first 2006 Date last 2021 Obs 20
Pa first 147 Pa last 257.1 P.A. Now (θ) 228.1°
Sep first 0.2 Sep last 0.172 Sep. Now (ρ) 0.176"
Mag pri 6.40 Mag sec 10.70 delta mag (ΔM) 4.3 Spectral class G4V (yellow)
Pri motion ra -015 Sec motion ra
Pri motion dec -337 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 131923 Constellation Lupus SAO 225328 HIP 73241
Tycho2 8288-00880-1 HD 131923 HR 5566 GC 20118
GL Gl 570.1 CD CD-48 9494 CP CP-48 6957 FK5 3178
Distance 23.85 Distance ly 77.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)22.39y± 2.08 Periastron (T)2020.52y± 0.19 Semi-major axis (a)0.4015a± 0.0108
Eccentricity (e)0.791± 0.061 Inclination (i)108.4°± 0.5 Longitude of periastron (ω)109.2°± 1.1
Node (Ω)86.6°± 3.6 Notesn ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 237.9 0.177
2001 221.8 0.175
2002 205.2 0.173
2003 188.8 0.178
2004 173.9 0.191
2005 161.3 0.210
2006 151.1 0.234
2007 142.8 0.259
2008 136.1 0.286
2009 130.4 0.311
2010 125.6 0.335
2011 121.4 0.356
2012 117.7 0.374
2013 114.3 0.388
2014 111.0 0.396
2015 107.8 0.397
2016 104.6 0.389
2017 101.1 0.369
2018 97.1 0.331
2019 91.5 0.263
2020 77.4 0.122
2021 264.2 0.129
2022 244.2 0.175
2023 228.1 0.176
2024 211.7 0.173
2025 195.1 0.175
2026 179.4 0.185
2027 165.9 0.202
2028 154.8 0.224
2029 145.8 0.249
2030 138.5 0.275


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


 
  


wds14581-4852b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 14581-4852 WSI 80 (HD 131923) : NOTES
 
 
discov_num notes refcode
WSI 80 The 14.9 yr SB1 orbit is mentioned by Raghavan et al. (2010). Rag2010
Tok2012a
 
 
REFERENCES
 
 
refcode metd author reference
Rag2010 K - Raghavan, D., McAlister, H.A., Henry, T.J., Latham, D.W., Marcy, G.W., 2010ApJS..190....1R
Rag2010 +S Mason, B.D., Gies, D.R., White, R.J. & ten Brummelaar, T.A.
Rag2010 +P ApJS 190, 1, 2010
Tok2012a A j Tokovinin, A., Hartnung, M., Hayward, T.L., & Makarov, V.V. 2012AJ....144....7T
Tok2012a AJ 144, 7, 2012
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
10 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
10 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
13 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
13 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
14 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
14 WSI Hennessy, G.S., Platais, I., et al.
15 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
15 WSI Hennessy, G.S., Rafferty, T.J., et al.
42 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
42 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
52 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
52 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14581-4852 WSI 80 2009 4 129 0.3 6.40 10.70 G4V 145808.81-485143.9
14581-4852 WSI 80 2011 6 120 0.4 6.40 10.70 G4V 145808.81-485143.9
14581-4852 WSI 80 2013 8 114 0.4 6.40 10.70 G4V 145808.81-485143.9
14581-4852 WSI 80 2014 10 111 0.4 6.40 10.70 G4V NO 145808.81-485143.9
14581-4852 WSI 80 2015 11 107 0.4 6.40 10.70 G4V NO 145808.81-485143.9
14581-4852 WSI 80 2017 13 99 0.4 6.40 10.70 G4V NO 145808.79-485146.8
14581-4852 WSI 80 2018 15 96 0.3 6.40 10.70 G4V NO 145808.79-485146.8
14581-4852 WSI 80 2019 17 85 0.2 6.40 10.70 G4V NO 145808.79-485146.8
14581-4852 WSI 80 2020 18 35 0.1 6.40 10.70 G4V NO 145808.79-485146.8
14581-4852 WSI 80 2021 20 257 0.2 6.40 10.70 G4V NO 145808.79-485146.8

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

 
 
WDS 14581-4852 WSI 80 (HD 131923) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 14581-4852 WSI 80 (HD 131923) : MEASURES
 
 
No records found.

 
 
WDS 14581-4852 (HD 131923) : VIRTUAL EYEPIECE
 
 

14581-4852 WSI 80A mag 6.4 Sp G4V 14581-4852 WSI 80B sep 0.1 P.A. 250.80 mag 10.7 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 14581-4852 (HD 131923) : ALADIN DSS IMAGE @ 14h 58m 08.79s -48° 51' 46.8"
 
 
 
 
WDS 14581-4852 WSI 80 (HD 131923) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

14581-4852 WSI 80 distance=0' 14575-4837 RST 737 distance=17' 14562-4857 KPP3940 distance=20' 14567-4832 HDS2109 distance=25' 14563-4831 CPO9187AB distance=28' 14563-4831 CPO9187AC distance=28' 14568-4925 RST 735 distance=37' 14542-4829 BRT 834 distance=46' 14532-4836 RST 732 distance=51' 14591-4757 RSS 358 distance=56' 14524-4845 RST 730 distance=57' 14538-4930 CPO 404 distance=58' 14565-4753 HJ 4715 distance=62' 14535-4944 RST 733 distance=70' 15053-4854 BRT 845 distance=72' 14568-4739 RST 736 distance=74' 14508-4910 I 950AB distance=75' 14508-4910 I 950AB,C distance=75' 15044-4945 HJ 4726 distance=81' 14568-4732 TDS9349 distance=81' 14585-4726 CPO 62AB distance=86' 14585-4726 ARY 112AC distance=86' 14496-4836 HRG 103AB distance=87' 14496-4836 JAW 49AC distance=87' 14496-4836 JAW 49BC distance=87' 15012-5015 BRT 841 distance=89' 15071-4903 SKF 971 distance=89' 15022-4727 CPO 409 distance=94' 14518-5002 RST 728 distance=95' 14580-5028 RST 739 distance=97' 14515-4741 RSS 352 distance=98' 15080-4845 CPO 414 distance=98' 15024-4723 BRT 843 distance=100' 14527-4727 BRT 833 distance=101' 15080-4827 BRT 848 distance=101' 15020-5025 CPO 408 distance=101' 14519-4731 CPO9184AB distance=103' 14519-4731 CPO9184AC distance=103' 14519-4731 CPO9184AD distance=103' 14478-4838 TDS9310 distance=104' 14592-4709 BRT 838 distance=104' 15019-4715 HDS2121 distance=104' 14480-4929 RST5586 distance=106' 15086-4819 HJ 4732 distance=110' 14513-4724 HJ 4706AB distance=112' 14513-4724 HJ 4706AC distance=112' 15097-4854 RST 744 distance=114' 14528-4705 RST 731 distance=121' 14511-5033 RSS 351 distance=123' 14550-4652 KPP 981 distance=124' 15030-5046 HDS2123 distance=124' 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 14581-4852 WSI 80 257 0.2
Show 14575-4837 RST 737 323 0.8 17
Show 14562-4857 KPP3940 64 3.7 20
Show 14567-4832 HDS2109 333 0.4 25
Show 14563-4831 CPO9187 AB 261 7.6 28
Show 14563-4831 CPO9187 AC 197 14.4 28
Show 14568-4925 RST 735 313 1.0 37
Show 14542-4829 BRT 834 296 6.6 46
Show 14532-4836 RST 732 203 1.0 51
Show 14591-4757 RSS 358 43 38.8 56
Show 14524-4845 RST 730 347 0.6 57
Show 14538-4930 CPO 404 229 5.5 58
Show 14565-4753 HJ 4715 281 2.1 62
Show 14535-4944 RST 733 249 2.4 70
Show 15053-4854 BRT 845 134 4.3 72
Show 14568-4739 RST 736 312 0.9 74
Show 14508-4910 I 950 AB 257 0.6 75
Show 14508-4910 I 950 AB,C 352 6.9 75
Show 15044-4945 HJ 4726 99 6.6 81
Show 14568-4732 TDS9349 75 0.7 81
Show 14585-4726 CPO 62 AB 164 24.6 86
Show 14585-4726 ARY 112 AC 65 92.2 86
Show 14496-4836 HRG 103 AB 317 4.9 87
Show 14496-4836 JAW 49 AC 120 22.0 87
Show 14496-4836 JAW 49 BC 123 26.7 87
Show 15012-5015 BRT 841 66 6.0 89
Show 15071-4903 SKF 971 214 9.2 89
Show 15022-4727 CPO 409 113 5.8 94
Show 14518-5002 RST 728 96 3.5 95
Show 14580-5028 RST 739 24 0.7 97
Show 14515-4741 RSS 352 281 19.9 98
Show 15080-4845 CPO 414 35 1.7 98
Show 15024-4723 BRT 843 39 4.7 100
Show 14527-4727 BRT 833 39 4.6 101
Show 15080-4827 BRT 848 9 5.4 101
Show 15020-5025 CPO 408 173 4.1 101
Show 14519-4731 CPO9184 AB 233 7.1 103
Show 14519-4731 CPO9184 AC 199 11.0 103
Show 14519-4731 CPO9184 AD 283 14.6 103
Show 14478-4838 TDS9310 186 9.4 104
Show 14592-4709 BRT 838 337 3.5 104
Show 15019-4715 HDS2121 70 16.6 104
Show 14480-4929 RST5586 64 5.4 106
Show 15086-4819 HJ 4732 68 9.3 110
Show 14513-4724 HJ 4706 AB 220 7.0 112
Show 14513-4724 HJ 4706 AC 126 45.6 112
Show 15097-4854 RST 744 159 1.5 114
Show 14528-4705 RST 731 64 2.7 121
Show 14511-5033 RSS 351 353 27.2 123
Show 14550-4652 KPP 981 145 8.0 124
Show 15030-5046 HDS2123 9 0.6 124

 
 
WDS 14581-4852 : COMPONENTS
 
 
  A
B pa=250.8°
sep=0.12"
 
 
14581-4852 A
 
 
Componente originario normalizzato AB Name HD 131923 Coord arcsec 2000 145808.79-485146.8 Mag 6.4
Spectral class G4V (yellow) PmRA -15.00 PmDE -337.0 SAO 225328
HIP 73241 Tycho2 8288-00880-1 HD 131923 HR 5566
GC 20118 CD CD-48 9494 CP CP-48 6957 FK5 3178
Tycho2
Tycho2 8288-00880-1 Pflag RAmdeg 224.53666883 DEmdeg -48.86298997
PmRA -15.5 PmDE -327.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.2 EpRAm 1991.29 EpDEm 1991.42
Num 15 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.0
Q pmDE 0.7 BTmag 7.210 E BTmag 0.015 VTmag 6.427
E VTmag 0.010 Prox 999 TYC T HIP 73241
CCDM RAdeg 224.53672306 DEdeg -48.86222889 EpRA 1990 1.69
EpDE 1990 1.64 E RAdeg 3.9 E DEdeg 4.0 Posflg
Corr 0.2
SAO
SAO 225328 DelFlag RA1950 PmRA1950 -0.0017
DE1950 PmDE1950 -0.315 Vmag 6.5 SpType K0
Double code Source 70 CatNum 20118 DM CD-48 9494
DMcomp BDsup HD 131923 M HD 0
GC 20118 RA1950rad 3.90386729 DE1950rad -0.84924711 PmRA2000 -0.0016
PmDE2000 -0.313
Hipparcos
Catalog H HIP 73241 Proxy RAhms 14 58 08.81
DEdms -48 51 43.9 Vmag 6.34 VarFlag R Vmag H
RAdeg 224.537 DEdeg -48.8622 AstroRef Plx 40.79
CCDM N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 131923 BD
CD CD-48 9494 CP CP-48 6957 Dm number -48 9494 VIred 0.78
SpType G5V R SpType Coord arcsec 2000 145808.81-485143.9
Hipparcos 2
HIP 73241 Sn 7 So 1 Nc 1
RArad 3.9189051474 DErad -0.8528061394 Plx 41.93 PmRA -16.82
PmDE -335.04 E RArad 0.56 E DErad 0.77 E Plx 0.83
E pmRA 0.9 E pmDE 0.91 Hpmag 6.481 E Hpmag 0.001
SHp 0.007 VA 0 BV 0.708 E BV 0.002
VI 0.78
 
 
14581-4852 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 145808.78-485146.8 Mag 10.7 Calc delta mag 4.3
Calc coord yes