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Doubles in session


Current system
01158-6853
I 27 CD


Nearby doubles
27' : 01197-6843
NSN 171

33' : 01171-6819
DAM 395

33' : 01174-6818
DON 16

46' : 01072-6834
HDS 147

58' : 01044-6859
KPP3441

65' : 01055-6813
LDS 36

66' : 01220-6943
I 263

72' : 01281-6848
KPP2545

86' : 01262-6751
DON 17

87' : 01104-6727
GKI 3

98' : 01088-6718
DON 15

98' : 01271-6738
UC 559

104' : 01257-6725
VOU 19

104' : 01124-7031
NSN 170

109' : 01349-6909
GLI 12

113' : 01002-7011
HDS 131

128' : 00572-6730
TOI 180

128' : 01134-7057
LDS 39

139' : 01084-6636
KPP1808

141' : 00565-7032
KPP2795

143' : 00572-7038
UC 474

146' : 01171-6624
HJ 3426

154' : 01088-7119
OGL 152

155' : 01258-7114
B 1426

158' : 01072-7121
OGL 149

161' : 01092-7127
OGL 154



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.

01158-6853 I 27 CD

 
 
01h 15m 00.78s -68° 49' 08.1" P.A. 359.00 sep 1.0 mag 7.76,8.26 Sp K2V dist. 21.65 pc (70.62 l.y.)
 
 
Coord 2000 01158-6853 Discov num I    27 Comp CD Coord arcsec 2000 01 15 00.78 -68 49 08.1
Date first 1895 Date last 2021 Obs 81
Pa first 180 Pa last 359.2 P.A. Now (θ) 6.2°
Sep first 1.0 Sep last 1.018 Sep. Now (ρ) 0.982"
Mag pri 7.76 Mag sec 8.26 delta mag (ΔM) 0.5 Spectral class K2V (yellow-orange)
Pri motion ra +360 Sec motion ra +426
Pri motion dec +095 Sec motion dec +121
Notes N O (See Notes, Orbital solution)
rPM=0.16 (< 0.3, Physical double)
This double is physical.
 
 
01158-6853 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Kap Tuc 248346 01 15 46 -68 52 33 HJ 3423 AB 2017 78 315 4.6 4.88 7.54 2.66 Y
Show 248346 01 15 46 -68 52 33 HJ 3423 A,CD 2010 10 310 319.2 4.88 7.23 2.35
Show 248342 01 15 01 -68 49 08 I 27 CD 2021 81 359 1.0 7.76 8.26 0.50 Y <===
Quadruple system
5 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Tucana SAO 248342 HIP 5842 Tycho2 9136-01758-1
HD 7693 GC 1517 GL Gl 55.1A CD CD-69 51
CP CP-69 44 Distance 21.65 Distance ly 70.62
 
 
ORBITAL ELEMENTS
 
 
Period (P)84.7785y± 0.2953 Periastron (T)1920.4688y± 5.0179 Semi-major axis (a)1.09664a± 0.0101
Eccentricity (e)0.04027± 0.00476 Inclination (i)32.561°± 1.683 Longitude of periastron (ω)153.001°± 19.541
Node (Ω)138.062°± 2.738 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 271.8 0.959
2001 276.4 0.971
2002 280.9 0.983
2003 285.3 0.995
2004 289.6 1.007
2005 293.8 1.018
2006 297.9 1.028
2007 301.9 1.037
2008 305.9 1.044
2009 309.8 1.050
2010 313.7 1.054
2011 317.6 1.057
2012 321.4 1.058
2013 325.3 1.057
2014 329.1 1.054
2015 333.0 1.050
2016 336.9 1.045
2017 340.9 1.038
2018 344.9 1.030
2019 349.0 1.021
2020 353.2 1.012
2021 357.4 1.002
2022 1.7 0.992
2023 6.2 0.982
2024 10.7 0.972
2025 15.3 0.964
2026 19.9 0.956
2027 24.7 0.949
2028 29.5 0.944
2029 34.3 0.940
2030 39.2 0.939


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


 
  


wds01158-6853c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01158-6853 I 27 CD : NOTES
 
 
discov_num notes refcode
HJ 3423 kap Tuc = LDS 42.
I 27 HJ 3423 and I 27, separated by 320" are kap Tuc. Sca1981a
See Baize & Petit (1989) catalog of doubles with variable component. Baz1989d
Mass = 1.35, 0.88, 0.86, 0.80 \msun for A, B, C, D, respectively. Tok2020d
Teff = 6513, 5145, 5062, 4850 K for A, B, C, D, respectively.
Physical quintuple the period of A,CD is suggested to be ~270 kyr.
 
 
REFERENCES
 
 
refcode metd author reference
Baz1989d - Baize, P. & Petit, M. 1989A&AS...77..497B
Baz1989d A&AS 77, 497, 1989
Izm2019 orb u Izmailov, I.S. 2019AstL...45...30I
Izm2019 Ast. Lett. 45, 30, 2019
Izm2019 (Orbital elements from weighted solutions used when available (Table 2),
Izm2019 unweighted elements (Table 1) used for remaining 29 systems.)
Sca1981a orb - Scardia, M. 1981AN....302...35S
Sca1981a AN 302, 35, 1981
Tok2020d orb j Tokovinin, A. 2020AJ....159..265T
Tok2020d AJ 159, 265, 2020
 
 
DISCOVERER
 
 
idgroup discov author
1 HJ Herschel, J.F.W.
50 I Innes, R.T.A.
54 I MNRAS 57, 533, 1897 (data also in I__1897b,
54 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01158-6853 I 27 CD 2001 69 280 1.0 7.84 8.44 K2V NOD 011500.32-684908.7
01158-6853 I 27 CD 2008 71 309 1.0 7.84 8.44 K2V NOD 011500.32-684908.7
01158-6853 I 27 CD 2009 73 313 1.1 7.84 8.44 K2V NOD 011500.32-684908.7
01158-6853 I 27 CD 2013 75 324 1.1 7.84 8.44 K2V NO 011500.32-684908.7
01158-6853 I 27 CD 2014 76 333 1.1 7.84 8.44 K2V NO 011500.32-684908.7
01158-6853 I 27 CD 2016 77 345 1.2 7.84 8.44 K2V NO 011500.78-684908.1
01158-6853 I 27 CD 2018 79 348 1.0 7.84 8.44 K2V NO 011500.78-684908.1
01158-6853 I 27 CD 2021 81 359 1.0 7.76 8.26 K2V NO 011500.78-684908.1

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

 
 
WDS 01158-6853 I 27 CD : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01158-6853 I 27 CD : MEASURES
 
 
No records found.

 
 
WDS 01158-6853 : VIRTUAL EYEPIECE
 
 

01158-6853 HJ 3423A mag 4.88 Sp F6IV 01158-6853 HJ 3423B sep 3.5 P.A. 340.20 mag 7.54 Sp G5V 01158-6853 I 27C sep 320.1 P.A. 309.90 mag 7.76 Sp K2V 01158-6853 I 27D sep 320.7 P.A. 310.10 mag 8.26 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 01158-6853 : ALADIN DSS IMAGE @ 01h 15m 00.78s -68° 49' 08.1"
 
 
 
 
WDS 01158-6853 I 27 CD : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01158-6853 I 27CD distance=1' 01158-6853 HJ 3423AB distance=6' 01158-6853 HJ 3423A,CD distance=6' 01197-6843 NSN 171 distance=27' 01171-6819 DAM 395 distance=33' 01174-6818 DON 16 distance=33' 01072-6834 HDS 147 distance=46' 01044-6859 KPP3441 distance=58' 01055-6813 LDS 36 distance=65' 01220-6943 I 263 distance=66' 01281-6848 KPP2545 distance=72' 01262-6751 DON 17 distance=86' 01104-6727 GKI 3 distance=87' 01088-6718 DON 15 distance=98' 01271-6738 UC 559 distance=98' 01257-6725 VOU 19 distance=104' 01124-7031 NSN 170 distance=104' 01349-6909 GLI 12 distance=109' 01002-7011 HDS 131 distance=113' 00572-6730 TOI 180 distance=128' 01134-7057 LDS 39 distance=128' 01084-6636 KPP1808 distance=139' 00565-7032 KPP2795 distance=141' 00572-7038 UC 474 distance=143' 01171-6624 HJ 3426 distance=146' 01088-7119 OGL 152 distance=154' 01258-7114 B 1426 distance=155' 01072-7121 OGL 149 distance=158' 01092-7127 OGL 154 distance=161' 01194-7129 OGL 176 distance=162' 01033-7123 OGL 137 distance=166' 01011-7119 OGL 130 distance=166' 01014-7120 OGL 131 distance=167' 00579-6634 I 48 distance=167' 01182-7136 OGL 174 distance=168' 01050-7132 OGL 144 distance=171' 01167-7142 OGL 169 distance=174' 01040-7134 OGL 142 distance=174' 01106-6555 HDS 154Aa,Ab distance=176' 01106-6555 UC 511AB distance=176' 01037-7138 OGL 139 distance=178' 01036-7138 OGL 138 distance=179' 01207-7145 OGL 182 distance=179' 01177-7150 OGL 172AB distance=182' 01177-7150 OGL 172AC distance=182' 01001-7135 OGL 124 distance=183' 00576-7131 OGL 112 distance=185' 01058-7150 OGL 148 distance=187' 01178-7158 UC 539 distance=190' 01198-7157 OGL 181 distance=190' 00575-6607 DAM 394 distance=191' 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 01158-6853 I 27 CD 359 1.0 1
Show 01158-6853 HJ 3423 AB 315 4.6 6
Show 01158-6853 HJ 3423 A,CD 310 319.2 6
Show 01197-6843 NSN 171 88 10.3 27
Show 01171-6819 DAM 395 37 4.2 33
Show 01174-6818 DON 16 297 2.5 33
Show 01072-6834 HDS 147 323 26.2 46
Show 01044-6859 KPP3441 37 1.8 58
Show 01055-6813 LDS 36 125 8.0 65
Show 01220-6943 I 263 296 0.4 66
Show 01281-6848 KPP2545 187 23.0 72
Show 01262-6751 DON 17 291 1.4 86
Show 01104-6727 GKI 3 10 0.1 87
Show 01088-6718 DON 15 262 1.3 98
Show 01271-6738 UC 559 122 32.4 98
Show 01257-6725 VOU 19 225 6.0 104
Show 01124-7031 NSN 170 64 1.4 104
Show 01349-6909 GLI 12 125 23.8 109
Show 01002-7011 HDS 131 72 0.1 113
Show 00572-6730 TOI 180 64 1.3 128
Show 01134-7057 LDS 39 330 14.9 128
Show 01084-6636 KPP1808 258 14.0 139
Show 00565-7032 KPP2795 29 5.8 141
Show 00572-7038 UC 474 338 9.4 143
Show 01171-6624 HJ 3426 329 2.4 146
Show 01088-7119 OGL 152 196 354.6 154
Show 01258-7114 B 1426 28 2.5 155
Show 01072-7121 OGL 149 348 1.7 158
Show 01092-7127 OGL 154 278 2.9 161
Show 01194-7129 OGL 176 222 1.1 162
Show 01033-7123 OGL 137 187 155.1 166
Show 01011-7119 OGL 130 114 34.7 166
Show 01014-7120 OGL 131 130 418.3 167
Show 00579-6634 I 48 36 0.3 167
Show 01182-7136 OGL 174 72 18.8 168
Show 01050-7132 OGL 144 122 159.8 171
Show 01167-7142 OGL 169 225 7.3 174
Show 01040-7134 OGL 142 86 69.6 174
Show 01106-6555 HDS 154 Aa,Ab 297 0.7 176
Show 01106-6555 UC 511 AB 9 62.1 176
Show 01037-7138 OGL 139 3 1.6 178
Show 01036-7138 OGL 138 176 773.7 179
Show 01207-7145 OGL 182 237 8.9 179
Show 01177-7150 OGL 172 AB 244 1.5 182
Show 01177-7150 OGL 172 AC 86 234.1 182
Show 01001-7135 OGL 124 167 3.3 183
Show 00576-7131 OGL 112 85 1.1 185
Show 01058-7150 OGL 148 100 3.9 187
Show 01178-7158 UC 539 331 40.2 190
Show 01198-7157 OGL 181 329 50.9 190
Show 00575-6607 DAM 394 215 5.2 191

 
 
WDS 01158-6853 : COMPONENTS
 
 
  A B C
B pa=340.2°
sep=3.46"
 
C pa=309.9°
sep=320.07"
pa=309.6°
sep=317.09"
 
D pa=310.1°
sep=320.72"
pa=309.7°
sep=317.74"
pa=359.7°
sep=1.02"
 
 
01158-6853 A
 
 
Coord arcsec 2000 011546.16-685233.3 Mag 4.88 Spectral class F6IV (yellow-white) PmRA 409.00
PmDE 107.0 SAO 248346 HIP 5896 Tycho2 9136-01759-2
HD 7788 HR 377 GC 1536 CD CD-69 52
CP CP-69 45 Bayer Kappa Bayer name Kap
Tycho2
Tycho2 9136-01759-2 Pflag RAmdeg 18.94229509 DEmdeg -68.87597322
PmRA 404.9 PmDE 108.3 E RAmdeg 3 E DEmdeg 4
E pmRA 3.3 E pmDE 3.0 EpRAm 1991.78 EpDEm 1991.72
Num 3 Q RAmdeg 0.3 Q DEmdeg 1.2 Q pmRA 0.4
Q pmDE 1.3 BTmag 5.469 E BTmag 0.014 VTmag 4.997
E VTmag 0.009 Prox 51 TYC HIP 5896
CCDM A RAdeg 18.93973278 DEdeg -68.87622167 EpRA 1990 1.79
EpDE 1990 1.74 E RAdeg 3.4 E DEdeg 3.5 Posflg
Corr -0.3
SAO
SAO 248346 DelFlag RA1950 PmRA1950 0.0758
DE1950 PmDE1950 0.112 Vmag 5.1 SpType F8
Double code Source 70 CatNum 1536 DM CP-69 45
DMcomp A BDsup HD 7788 M HD 0
GC 1536 RA1950rad 0.32322162 DE1950rad -1.20674308 PmRA2000 0.0738
PmDE2000 0.107
Hipparcos
Catalog H HIP 5896 Proxy H RAhms 01 15 45.50
DEdms -68 52 34.5 Vmag 4.25 VarFlag R Vmag G
RAdeg 18.9396 DEdeg -68.8762 AstroRef A Plx 48.94
CCDM 01157-6852 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 325 Rho 5.055 HD 7788 BD
CD CD-69 52 CP CP-69 45 Dm number -69 52 VIred 0.55
SpType F6IV R SpType Coord arcsec 2000 011545.50-685234.5
Hipparcos 2
HIP 5896 Sn 17 So 3 Nc 2
RArad 0.3305577399 DErad -1.2021171133 Plx 47.72 PmRA 412.11
PmDE 127.74 E RArad 0.36 E DErad 0.35 E Plx 0.41
E pmRA 0.5 E pmDE 0.44 Hpmag 4.9639 E Hpmag 0.0005
SHp 0.005 VA 0 BV 0.48 E BV 0.042
VI 0.55
 
 
01158-6853 B
 
 
Coord arcsec 2000 011545.94-685230.0 Mag 7.54 Spectral class G5V (yellow) PmRA 386.00
PmDE 82.0 Calc delta mag 2.66 Calc coord yes
 
 
01158-6853 C
 
 
Coord arcsec 2000 011500.78-684908.1 Mag 7.76 Spectral class K2V (yellow-orange) PmRA 360.00
PmDE 95.0 SAO 248342 HIP 5842 Tycho2 9136-01758-1
HD 7693 GC 1517 CD CD-69 51 CP CP-69 44
Calc delta mag 2.88
Tycho2
Tycho2 9136-01758-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 8.942 E BTmag 0.017 VTmag 7.844
E VTmag 0.011 Prox 9 TYC T HIP 5842
CCDM C RAdeg 18.75150028 DEdeg -68.81908694 EpRA 1990 1.76
EpDE 1990 1.77 E RAdeg 5.6 E DEdeg 5.7 Posflg D
Corr -0.1
SAO
SAO 248342 DelFlag RA1950 PmRA1950 0.0734
DE1950 PmDE1950 0.098 Vmag 7.6 SpType G5
Double code Source 70 CatNum 1517 DM CP-69 44
DMcomp BDsup HD 7693 M HD 0
GC 1517 RA1950rad 0.31988476 DE1950rad -1.20575519 PmRA2000 0.0715
PmDE2000 0.093
Hipparcos
Catalog H HIP 5842 Proxy H RAhms 01 15 00.32
DEdms -68 49 08.7 Vmag 7.22 VarFlag R Vmag G
RAdeg 18.7513 DEdeg -68.8191 AstroRef C Plx 47.36
CCDM 01157-6852 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP CD
Theta 227 Rho 0.907 HD 7693 BD
CD CD-69 51 CP CP-69 44 Dm number -69 51 VIred 1.02
SpType K2V R SpType Coord arcsec 2000 011500.32-684908.7
Hipparcos 2
HIP 5842 Sn 15 So 3 Nc 2
RArad 0.3272725405 DErad -1.2011197911 Plx 46.2 PmRA 417.23
PmDE 75.32 E RArad 0.69 E DErad 0.72 E Plx 0.82
E pmRA 0.81 E pmDE 0.78 Hpmag 7.3908 E Hpmag 0.0015
SHp 0.012 VA 0 BV 1 E BV 0.042
VI 1.02
 
 
01158-6853 D
 
 
Coord arcsec 2000 011500.78-684907.1 Mag 8.26 PmRA 426.00 PmDE 121.0
Calc delta mag 3.38 Calc coord yes