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Doubles in session


Current system
15355-4751
HDS 2191
HD 138676


Nearby doubles
4' : 15352-4749
BRT 859

27' : 15365-4816
B 841

27' : 15336-4732
DUN 187

39' : 15345-4714
SEE 239

39' : 15393-4751
B 843

40' : 15325-4817
NSN 386

40' : 15383-4819
KPP1939

44' : 15354-4708
SEE 240

48' : 15393-4819
RSS 382

50' : 15378-4834
TDS9566

56' : 15406-4812
BRT 862

56' : 15410-4744
I 971

57' : 15411-4752
HDS2213

59' : 15404-4822
HJ 4791

59' : 15413-4746
RSS 383

63' : 15401-4832
RST 787

68' : 15399-4842
CPO 439

70' : 15362-4642
TDS9559

71' : 15420-4817
HJ 4793

74' : 15312-4652
RST5589

75' : 15405-4845
RST 788

75' : 15378-4902
CPO 436

76' : 15295-4706
RST 774

78' : 15415-4703
HDS2215

78' : 15421-4831
CPO 441

80' : 15295-4844
HDS2179



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.

15355-4751 HDS 2191 (HD 138676)

 
 
15h 35m 28.34s -47° 50' 56.7" P.A. 202.00 sep 0.3 mag 9.41,10.06 Sp G8IV/V dist. 63.05 pc (205.67 l.y.)
 
 
Coord 2000 15355-4751 Discov num HDS2191 Comp Coord arcsec 2000 15 35 28.34 -47 50 56.7
Date first 1991 Date last 2018 Obs 6
Pa first 202 Pa last 202.1 P.A. Now (θ) 202.1°
Sep first 0.3 Sep last 0.292 Sep. Now (ρ) 0.292"
Mag pri 9.41 Mag sec 10.06 delta mag (ΔM) 0.65 Spectral class G8IV/V (yellow)
Pri motion ra +062 Sec motion ra
Pri motion dec -080 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 138676 Constellation Lupus SAO 225940 HIP 76328
Tycho2 8300-01231-1 Gaia DR2 5986663418249820416 HD 138676 CD CD-4710123
CP CP-47 7232 Distance 63.05 Distance ly 205.67
 
 
ORBITAL ELEMENTS
 
 
Period (P)62.52y± 14.96 Periastron (T)2005.25y± 1.1 Semi-major axis (a)0.302a± 0.037
Eccentricity (e)0.315± 0.243 Inclination (i)88.6°± 0.9 Longitude of periastron (ω)267.1°± 14.6
Node (Ω)201.9°± 1.1 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 22.7 0.200
2001 23.1 0.171
2002 23.6 0.138
2003 24.5 0.102
2004 26.4 0.062
2005 35.4 0.022
2006 188.4 0.022
2007 197.4 0.063
2008 199.3 0.102
2009 200.2 0.139
2010 200.7 0.172
2011 201.0 0.201
2012 201.3 0.225
2013 201.5 0.246
2014 201.7 0.262
2015 201.9 0.275
2016 202.0 0.284
2017 202.2 0.289
2018 202.3 0.291
2019 202.5 0.291
2020 202.6 0.288
2021 202.8 0.282
2022 202.9 0.274
2023 203.1 0.265
2024 203.3 0.253
2025 203.5 0.240
2026 203.7 0.226
2027 204.0 0.210
2028 204.3 0.193
2029 204.6 0.175
2030 205.1 0.156


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


 
  


wds15355-4751a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 15355-4751 HDS 2191 (HD 138676) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
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
15355-4751 HDS2191 1991 1 202 0.3 9.41 10.06 G8IV/V 153528.34-475056.7
15355-4751 HDS2191 2009 2 200 0.1 9.41 10.06 G8IV/V 153528.34-475056.7
15355-4751 HDS2191 2012 3 201 0.2 9.41 10.06 G8IV/V 153528.34-475056.7
15355-4751 HDS2191 2013 4 201 0.2 9.41 10.06 G8IV/V 153528.34-475056.7
15355-4751 HDS2191 2014 5 202 0.3 9.41 10.06 G8IV/V O 153528.34-475056.7
15355-4751 HDS2191 2018 6 202 0.3 9.41 10.06 G8IV/V O 153528.34-475056.7

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

 
 
WDS 15355-4751 HDS 2191 (HD 138676) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 15355-4751 HDS 2191 (HD 138676) : MEASURES
 
 
No records found.

 
 
WDS 15355-4751 (HD 138676) : VIRTUAL EYEPIECE
 
 

15355-4751 HDS2191A mag 9.41 Sp G8IV/V 15355-4751 HDS2191B sep 0.3 P.A. 195.20 mag 10.06 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 15355-4751 (HD 138676) : ALADIN DSS IMAGE @ 15h 35m 28.34s -47° 50' 56.7"
 
 
 
 
WDS 15355-4751 HDS 2191 (HD 138676) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

15355-4751 HDS2191 distance=0' 15352-4749 BRT 859 distance=4' 15365-4816 B 841 distance=27' 15336-4732 DUN 187 distance=27' 15345-4714 SEE 239 distance=39' 15393-4751 B 843 distance=39' 15325-4817 NSN 386 distance=40' 15383-4819 KPP1939 distance=40' 15354-4708 SEE 240 distance=44' 15393-4819 RSS 382 distance=48' 15378-4834 TDS9566 distance=50' 15406-4812 BRT 862 distance=56' 15410-4744 I 971 distance=56' 15411-4752 HDS2213 distance=57' 15404-4822 HJ 4791 distance=59' 15413-4746 RSS 383 distance=59' 15401-4832 RST 787 distance=63' 15399-4842 CPO 439 distance=68' 15362-4642 TDS9559 distance=70' 15420-4817 HJ 4793 distance=71' 15312-4652 RST5589 distance=74' 15405-4845 RST 788 distance=75' 15378-4902 CPO 436 distance=75' 15295-4706 RST 774 distance=76' 15415-4703 HDS2215 distance=78' 15421-4831 CPO 441 distance=78' 15295-4844 HDS2179 distance=80' 15414-4848 BRT 863 distance=82' 15355-4626 I 970 distance=85' 15348-4624 DON 743 distance=88' 15447-4759 CPO 103AB distance=93' 15447-4759 KPP3011CD distance=94' 15264-4809 I 538 distance=94' 15448-4804 CPO 66 distance=95' 15261-4756 TDS 774 distance=95' 15299-4913 RST 775 distance=99' 15433-4853 NZO 58 distance=100' 15360-4930 RST 780 distance=100' 15315-4927 KPP 793 distance=105' 15444-4846 RST 794 distance=106' 15435-4644 KPP1883 distance=106' 15444-4850 RST 793 distance=107' 15461-4755 RST 796 distance=108' 15455-4713 BRT 867 distance=108' 15378-4605 B 2361 distance=109' 15252-4713 RST 766 distance=111' 15463-4811 RST 797 distance=111' 15457-4837 TDS9616 distance=112' 15455-4702 BRT 868 distance=113' 15460-4715 RST 795 distance=113' 15337-4559 LDS 532 distance=114' 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 15355-4751 HDS2191 202 0.3
Show 15352-4749 BRT 859 344 3.8 4
Show 15365-4816 B 841 199 0.6 27
Show 15336-4732 DUN 187 216 23.4 27
Show 15345-4714 SEE 239 7 13.3 39
Show 15393-4751 B 843 71 0.7 39
Show 15325-4817 NSN 386 305 33.0 40
Show 15383-4819 KPP1939 293 15.3 40
Show 15354-4708 SEE 240 291 16.2 44
Show 15393-4819 RSS 382 288 19.2 48
Show 15378-4834 TDS9566 143 0.7 50
Show 15406-4812 BRT 862 162 4.4 56
Show 15410-4744 I 971 304 17.7 56
Show 15411-4752 HDS2213 29 2.8 57
Show 15404-4822 HJ 4791 154 9.5 59
Show 15413-4746 RSS 383 64 11.5 59
Show 15401-4832 RST 787 237 1.3 63
Show 15399-4842 CPO 439 153 4.1 68
Show 15362-4642 TDS9559 13 0.8 70
Show 15420-4817 HJ 4793 15 19.3 71
Show 15312-4652 RST5589 90 4.4 74
Show 15405-4845 RST 788 12 1.1 75
Show 15378-4902 CPO 436 324 5.4 75
Show 15295-4706 RST 774 8 1.0 76
Show 15415-4703 HDS2215 36 0.1 78
Show 15421-4831 CPO 441 300 3.6 78
Show 15295-4844 HDS2179 133 14.2 80
Show 15414-4848 BRT 863 121 4.1 82
Show 15355-4626 I 970 104 3.7 85
Show 15348-4624 DON 743 11 1.7 88
Show 15447-4759 CPO 103 AB 303 6.1 93
Show 15447-4759 KPP3011 CD 80 1.5 94
Show 15264-4809 I 538 276 1.5 94
Show 15448-4804 CPO 66 160 4.6 95
Show 15261-4756 TDS 774 348 1.8 95
Show 15299-4913 RST 775 306 0.4 99
Show 15433-4853 NZO 58 271 6.7 100
Show 15360-4930 RST 780 268 6.2 100
Show 15315-4927 KPP 793 24 6.8 105
Show 15444-4846 RST 794 199 1.6 106
Show 15435-4644 KPP1883 347 14.7 106
Show 15444-4850 RST 793 274 0.9 107
Show 15461-4755 RST 796 169 1.4 108
Show 15455-4713 BRT 867 37 4.1 108
Show 15378-4605 B 2361 341 2.7 109
Show 15252-4713 RST 766 47 0.8 111
Show 15463-4811 RST 797 230 2.5 111
Show 15457-4837 TDS9616 210 0.5 112
Show 15455-4702 BRT 868 15 4.1 113
Show 15460-4715 RST 795 144 2.4 113
Show 15337-4559 LDS 532 329 26.0 114

 
 
WDS 15355-4751 : COMPONENTS
 
 
  A
B pa=195.2°
sep=0.28"
 
 
15355-4751 A
 
 
Componente originario normalizzato AB Name HD 138676 Coord arcsec 2000 153528.34-475056.7 Mag 9.41
Spectral class G8IV/V (yellow) PmRA 62.00 PmDE -80.0 SAO 225940
HIP 76328 Tycho2 8300-01231-1 HD 138676 CD CD-4710123
CP CP-47 7232
Tycho2
Tycho2 8300-01231-1 Pflag RAmdeg 233.86830971 DEmdeg -47.84927761
PmRA 61.2 PmDE -79.5 E RAmdeg 11 E DEmdeg 12
E pmRA 1.2 E pmDE 1.2 EpRAm 1989.62 EpDEm 1988.94
Num 6 Q RAmdeg 0.8 Q DEmdeg 1.7 Q pmRA 0.8
Q pmDE 1.6 BTmag 9.843 E BTmag 0.026 VTmag 8.892
E VTmag 0.017 Prox 999 TYC T HIP 76328
CCDM AB RAdeg 233.86810083 DEdeg -47.84909139 EpRA 1990 1.74
EpDE 1990 1.56 E RAdeg 10.6 E DEdeg 13.0 Posflg P
Corr 0.1
SAO
SAO 225940 DelFlag RA1950 PmRA1950 0.0057
DE1950 PmDE1950 -0.084 Vmag 9.3 SpType K0
Double code Source 48 CatNum 13597 DM CP-47 7232
DMcomp BDsup HD 138676 M HD 0
GC RA1950rad 4.06626703 DE1950rad -0.83221196 PmRA2000 0.0057
PmDE2000 -0.082
Hipparcos
Catalog H HIP 76328 Proxy H RAhms 15 35 28.34
DEdms -47 50 56.7 Vmag 8.77 VarFlag R Vmag H
RAdeg 233.868 DEdeg -47.8491 AstroRef * Plx 17.17
CCDM 15355-4751 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 202 Rho 0.276 HD 138676 BD
CD CD-4710123 CP CP-47 7232 Dm number -4710123 VIred 0.83
SpType G8IV/V R SpType Coord arcsec 2000 153528.34-475056.7
Hipparcos 2
HIP 76328 Sn 55 So 3 Nc 2
RArad 4.0817681808 DErad -0.8351241297 Plx 15.86 PmRA 60.44
PmDE -79.9 E RArad 0.98 E DErad 0.85 E Plx 1.22
E pmRA 1.35 E pmDE 1.12 Hpmag 8.9329 E Hpmag 0.0019
SHp 0.016 VA 0 BV 0.889 E BV 0.025
VI 0.89
CCDM
Ccdm 15355-4751 RComp Comp A Note1
Note2 Discov num DRAs -1.60 DDEs 2.7
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.4 Sp G8 PmNote *
PmRA 62 PmDE -80 Dm number -4710123 Cat1 CD
Name2 225940 Cat2 SAO HD 138676 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 76328
 
 
15355-4751 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 153528.33-475057.0 Mag 10.06 Calc delta mag 0.65
Calc coord yes
CCDM
Ccdm 15355-4751 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.61 DDEs 2.4
R dRAs 82 Year 1991 Theta 202 Rho 0.3
Obs 1 Vmag 10.1 Sp PmNote *
PmRA 62 PmDE -80 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 76328