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Doubles in session


Current system
00524-6930
DUN 2
Lam1 Tuc


Nearby doubles
27' : 00543-6905
RSS 47

29' : 00470-6932
TDS 28

54' : 00429-6911
TDS1582

57' : 01002-7011
HDS 131

65' : 00565-7032
KPP2795

68' : 00523-7037
B 1415

72' : 01044-6859
KPP3441

72' : 00572-7038
UC 474

84' : 00394-6844
GLI 2

98' : 01072-6834
HDS 147

103' : 00460-7108
OGL 78

105' : 00457-6752
TOK 811

105' : 00543-6746
WIS 18

105' : 01055-6813
LDS 36

107' : 00417-7102
OGL 64

110' : 00456-7115
OGL 73

118' : 00337-7038
LDS 20

118' : 01011-7119
OGL 130

119' : 01014-7120
OGL 131

120' : 01124-7031
NSN 170

120' : 00357-7055
OGL 44AB

120' : 00547-7129
OGL 102

124' : 00572-6730
TOI 180

124' : 00576-7131
OGL 112

125' : 00548-6727
GLI 7

126' : 01033-7123
OGL 137



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.

00524-6930 DUN 2 (Lam1 Tuc)

 
 
00h 52m 24.52s -69° 30' 13.6" P.A. 83.00 sep 20.5 mag 6.70,7.35 Sp F7IV-V dist. 63.29 pc (206.45 l.y.)
 
 
Coord 2000 00524-6930 Discov num DUN   2 Comp Coord arcsec 2000 00 52 24.52 -69 30 13.6
Date first 1834 Date last 2021 Obs 39
Pa first 77 Pa last 82.7 P.A. Now (θ) 82.7°
Sep first 22.5 Sep last 20.53 Sep. Now (ρ) 20.53"
Mag pri 6.70 Mag sec 7.35 delta mag (ΔM) 0.65 Spectral class F7IV-V (yellow-white)
Pri motion ra +004 Sec motion ra -003
Pri motion dec -069 Sec motion dec -060
Notes N V (See Notes, Proper motion indicates physical)
rPM=0.165 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Lam1 Tuc Var name NSV334 Tuc Constellation Tucana SAO 248269
HIP 4084 Tycho2 9135-01891-1 Gaia DR2 4691995692046507520 HD 5190
HR 252 GC 1056 DM CP-70 38 CD CD-70 38
CP CP-70 37 Bayer Lambda 1 Tucanae Bayer name Lam1 Tuc Distance 63.29
Distance ly 206.45 Bayer greek λ1 Tuc
 
 
ORBITAL ELEMENTS
 
 
Period (P)5800c Periastron (T)6100y± 800 Semi-major axis (a)170a± 11
Eccentricity (e)0.74± 0.02 Inclination (i)66.4°± 0.5 Longitude of periastron (ω)105°± 4
Node (Ω)14.1°± 0.9 Notes ReferenceLRR2018b
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 81.1 19.719
2001 81.1 19.717
2002 81.1 19.716
2003 81.1 19.714
2004 81.1 19.712
2005 81.1 19.710
2006 81.1 19.708
2007 81.2 19.706
2008 81.2 19.705
2009 81.2 19.703
2010 81.2 19.701
2011 81.2 19.699
2012 81.2 19.697
2013 81.2 19.695
2014 81.2 19.694
2015 81.3 19.692
2016 81.3 19.690
2017 81.3 19.688
2018 81.3 19.686
2019 81.3 19.684
2020 81.3 19.683
2021 81.3 19.681
2022 81.3 19.679
2023 81.4 19.677
2024 81.4 19.675
2025 81.4 19.673
2026 81.4 19.672
2027 81.4 19.670
2028 81.4 19.668
2029 81.4 19.666
2030 81.4 19.664


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


 
  


wds00524-6930a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00524-6930 DUN 2 (Lam1 Tuc) : NOTES
 
 
discov_num notes refcode
DUN 2 lam 1 Tuc. B is CPD-70@38.
SHY 390. Bayesian analysis by Shaya & Olling (2011) indicates very Shy2011
high (near 100%) probability pair is physical.
Both A and B are above MS by 2 mag! The parallax can't be wrong. Tok2014d
RMK 1. Rectilinear solution by Letchford et al. (2018). LRR2018a
 
 
REFERENCES
 
 
refcode metd author reference
LRR2018a lin - Letchford, R.R., White, G.L. & Ernest, A.D. 2018JDSO...14..208L
LRR2018a JDSO 14, 208, 2018 .
LRR2018b orb - Letchford, R.R., White, G.L. & Ernest, A.D. 2018JDSO...14..761L
LRR2018b JDSO 14, 761, 2018 .
Shy2011 - Shaya, E.J. & Olling, R. 2011ApJS..192....2S
Shy2011 ApJS 192, 2, 2011
Shy2011 (Statistical analysis of probability that wide Hipparcos pairs are physical. Pairs
Shy2011 added to WDS only if probability 90% or greater.)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 DUN Dunlop, J.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00524-6930 DUN 2 1998 29 81 20.4 6.70 7.35 F7IV-V N D 005224.52-693013.6
00524-6930 DUN 2 2008 31 82 20.6 6.70 7.35 F7IV-V NVD 005224.52-693013.6
00524-6930 DUN 2 2009 33 82 20.4 6.70 7.35 F7IV-V NVD 005224.52-693013.6
00524-6930 DUN 2 2013 35 82 20.0 6.70 7.35 F7IV-V NVD 005224.52-693013.6
00524-6930 DUN 2 2015 37 82 20.4 6.70 7.35 F7IV-V NV 005224.52-693013.6
00524-6930 DUN 2 2021 39 83 20.5 6.70 7.35 F7IV-V NV 005224.52-693013.6

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

 
 
WDS 00524-6930 DUN 2 (Lam1 Tuc) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00524-6930 DUN 2 (Lam1 Tuc) : MEASURES
 
 
No records found.

 
 
WDS 00524-6930 (Lam1 Tuc) : VIRTUAL EYEPIECE
 
 

00524-6930 DUN 2A mag 6.7 Sp F7IV 00524-6930 DUN 2B sep 7.6 P.A. 69.90 mag 7.35 Sp V 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 00524-6930 (Lam1 Tuc) : ALADIN DSS IMAGE @ 00h 52m 24.52s -69° 30' 13.6"
 
 
 
 
WDS 00524-6930 DUN 2 (Lam1 Tuc) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00524-6930 DUN 2 distance=1' 00543-6905 RSS 47 distance=27' 00470-6932 TDS 28 distance=29' 00429-6911 TDS1582 distance=54' 01002-7011 HDS 131 distance=57' 00565-7032 KPP2795 distance=65' 00523-7037 B 1415 distance=68' 01044-6859 KPP3441 distance=72' 00572-7038 UC 474 distance=72' 00394-6844 GLI 2 distance=84' 01072-6834 HDS 147 distance=98' 00460-7108 OGL 78 distance=103' 00457-6752 TOK 811 distance=105' 00543-6746 WIS 18 distance=105' 01055-6813 LDS 36 distance=105' 00417-7102 OGL 64 distance=107' 00456-7115 OGL 73 distance=110' 00337-7038 LDS 20 distance=118' 01011-7119 OGL 130 distance=118' 01014-7120 OGL 131 distance=119' 01124-7031 NSN 170 distance=120' 00357-7055 OGL 44AB distance=120' 00357-7055 OGL 44AC distance=120' 00357-7055 OGL 44BC distance=120' 00547-7129 OGL 102 distance=120' 00572-6730 TOI 180 distance=124' 00576-7131 OGL 112 distance=124' 00548-6727 GLI 7 distance=125' 01033-7123 OGL 137 distance=126' 00414-7124 OGL 63AB distance=126' 00414-7124 OGL 63AC distance=126' 00340-7056 OGL 40 distance=127' 00408-7125 OGL 61 distance=129' 01001-7135 OGL 124 distance=131' 00346-7105 OGL 42 distance=131' 00383-7124 OGL 55 distance=134' 01072-7121 OGL 149 distance=134' 00334-7104 OGL 38 distance=135' 00557-7145 OGL 108 distance=136' 01040-7134 OGL 142 distance=137' 00593-7142 OGL 119 distance=137' 00381-7127 OGL 53 distance=137' 01050-7132 OGL 144 distance=137' 01088-7119 OGL 152 distance=137' 00502-7147 OGL 90 distance=138' 00587-7144 OGL 116 distance=138' 01036-7138 OGL 138 distance=140' 01037-7138 OGL 139 distance=140' 00599-7146 OGL 120 distance=141' 00325-6800 DON 7 distance=141' 00332-7114 OGL 37 distance=142' 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 00524-6930 DUN 2 83 20.5 1
Show 00543-6905 RSS 47 5 8.0 27
Show 00470-6932 TDS 28 297 0.9 29
Show 00429-6911 TDS1582 324 0.6 54
Show 01002-7011 HDS 131 72 0.1 57
Show 00565-7032 KPP2795 29 5.8 65
Show 00523-7037 B 1415 255 4.3 68
Show 01044-6859 KPP3441 37 1.8 72
Show 00572-7038 UC 474 338 9.4 72
Show 00394-6844 GLI 2 246 4.8 84
Show 01072-6834 HDS 147 323 26.2 98
Show 00460-7108 OGL 78 132 166.6 103
Show 00457-6752 TOK 811 329 0.1 105
Show 00543-6746 WIS 18 357 711.2 105
Show 01055-6813 LDS 36 125 8.0 105
Show 00417-7102 OGL 64 274 6.0 107
Show 00456-7115 OGL 73 226 576.0 110
Show 00337-7038 LDS 20 138 14.0 118
Show 01011-7119 OGL 130 114 34.7 118
Show 01014-7120 OGL 131 130 418.3 119
Show 01124-7031 NSN 170 64 1.4 120
Show 00357-7055 OGL 44 AB 137 11.8 120
Show 00357-7055 OGL 44 AC 223 205.1 120
Show 00357-7055 OGL 44 BC 226 204.5 120
Show 00547-7129 OGL 102 296 191.0 120
Show 00572-6730 TOI 180 64 1.3 124
Show 00576-7131 OGL 112 85 1.1 124
Show 00548-6727 GLI 7 97 18.6 125
Show 01033-7123 OGL 137 187 155.1 126
Show 00414-7124 OGL 63 AB 236 15.5 126
Show 00414-7124 OGL 63 AC 4 241.4 126
Show 00340-7056 OGL 40 79 1.1 127
Show 00408-7125 OGL 61 224 162.7 129
Show 01001-7135 OGL 124 167 3.3 131
Show 00346-7105 OGL 42 356 4.4 131
Show 00383-7124 OGL 55 89 9.6 134
Show 01072-7121 OGL 149 348 1.7 134
Show 00334-7104 OGL 38 93 4.9 135
Show 00557-7145 OGL 108 44 1.9 136
Show 01040-7134 OGL 142 86 69.6 137
Show 00593-7142 OGL 119 201 47.5 137
Show 00381-7127 OGL 53 4 3.4 137
Show 01050-7132 OGL 144 122 159.8 137
Show 01088-7119 OGL 152 196 354.6 137
Show 00502-7147 OGL 90 51 1.3 138
Show 00587-7144 OGL 116 321 1.6 138
Show 01036-7138 OGL 138 176 773.7 140
Show 01037-7138 OGL 139 3 1.6 140
Show 00599-7146 OGL 120 139 999.9 141
Show 00325-6800 DON 7 259 0.5 141
Show 00332-7114 OGL 37 247 1.7 142

 
 
WDS 00524-6930 : COMPONENTS
 
 
  A
B pa=69.9°
sep=7.59"
 
 
00524-6930 A
 
 
Componente originario normalizzato AB Name Lam1 Tuc Coord arcsec 2000 005224.52-693013.6 Mag 6.7
Spectral class F7IV (yellow-white) PmRA 4.00 PmDE -69.0 SAO 248269
HIP 4084 Tycho2 9135-01891-1 HD 5190 HR 252
GC 1056 CD CD-70 38 CP CP-70 37 Bayer Lambda 1
Bayer name Lam1
Tycho2
Tycho2 9135-01891-1 Pflag RAmdeg 13.10217265 DEmdeg -69.50376560
PmRA 4.7 PmDE -70.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.41 EpDEm 1991.52
Num 15 Q RAmdeg 2.0 Q DEmdeg 1.8 Q pmRA 2.0
Q pmDE 1.6 BTmag 7.244 E BTmag 0.015 VTmag 6.696
E VTmag 0.010 Prox 205 TYC T HIP 4084
CCDM A RAdeg 13.10214278 DEdeg -69.50360389 EpRA 1990 1.70
EpDE 1990 1.72 E RAdeg 4.0 E DEdeg 3.9 Posflg
Corr 0.0
SAO
SAO 248269 DelFlag RA1950 PmRA1950 0.0001
DE1950 PmDE1950 -0.083 Vmag 6.6 SpType F8
Double code Source 70 CatNum 1056 DM CP-70 37
DMcomp BDsup HD 5190 M HD 0
GC 1056 RA1950rad 0.22040167 DE1950rad -1.21779737 PmRA2000 -0.0012
PmDE2000 -0.086
Hipparcos
Catalog H HIP 4084 Proxy RAhms 00 52 24.51
DEdms -69 30 12.9 Vmag 6.67 VarFlag R Vmag G
RAdeg 13.1021 DEdeg -69.5036 AstroRef A Plx 16.33
CCDM 00524-6930 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source P Qual A M HIP
Theta Rho HD 5190 BD
CD CD-70 38 CP CP-70 37 Dm number -70 38 VIred 0.59
SpType F7IV/V R SpType Coord arcsec 2000 005224.51-693012.9
Hipparcos 2
HIP 4084 Sn 95 So 3 Nc 1
RArad 0.2286754118 DErad -1.2130666115 Plx 15.8 PmRA 4.87
PmDE -70.79 E RArad 1.21 E DErad 1.17 E Plx 1.41
E pmRA 1.37 E pmDE 1.69 Hpmag 6.8395 E Hpmag 0.0265
SHp 0.1 VA 0 BV 0.518 E BV 0.006
VI 0.59
CCDM
Ccdm 00524-6930 RComp Comp A Note1
Note2 Discov num DRAs 0.31 DDEs -15.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.6 Sp F8 PmNote *
PmRA -1 PmDE -80 Dm number -70 37 Cat1 CPD
Name2 248269 Cat2 SAO HD 5190 M HD
ADS BDS M ADS BDS N IDS IDS 00486S7003A
HIC 4084
 
 
00524-6930 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 005225.88-693011.0 Mag 7.35 Spectral class V
PmRA -3.00 PmDE -60.0 SAO 248271 HIP 4088
Tycho2 9135-01890-1 HD 5208 GC 1059 CP CP-70 38
Calc delta mag 0.65 Calc coord yes
Tycho2
Tycho2 9135-01890-1 Pflag RAmdeg 13.11819137 DEmdeg -69.50290684
PmRA 2.0 PmDE -72.6 E RAmdeg 5 E DEmdeg 5
E pmRA 2.4 E pmDE 2.2 EpRAm 1991.72 EpDEm 1991.73
Num 5 Q RAmdeg 0.2 Q DEmdeg 1.2 Q pmRA 0.2
Q pmDE 1.2 BTmag 8.056 E BTmag 0.016 VTmag 7.352
E VTmag 0.010 Prox 205 TYC T HIP 4088
CCDM B RAdeg 13.11817806 DEdeg -69.50274111 EpRA 1990 1.77
EpDE 1990 1.78 E RAdeg 4.8 E DEdeg 4.5 Posflg D
Corr 0.1
SAO
SAO 248271 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 -0.05 Vmag 8 SpType F8
Double code Source 70 CatNum 1059 DM CP-70 38
DMcomp BDsup HD 5208 M HD 0
GC 1059 RA1950rad 0.22069505 DE1950rad -1.21777226 PmRA2000 0.0003
PmDE2000 -0.053
Hipparcos
Catalog H HIP 4088 Proxy RAhms 00 52 28.36
DEdms -69 30 09.9 Vmag 7.56 VarFlag R Vmag H
RAdeg 13.1182 DEdeg -69.5027 AstroRef B Plx 13.5
CCDM 00524-6930 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source I Qual A M HIP
Theta Rho HD 5208 BD
CD CP CP-70 38 Dm number -70 38 VIred 0.74
SpType G1V R SpType Coord arcsec 2000 005228.36-693009.9
Hipparcos 2
HIP 4088 Sn 95 So 3 Nc 1
RArad 0.2289554332 DErad -1.2130515838 Plx 17.51 PmRA 8.65
PmDE -86.59 E RArad 4.63 E DErad 4.42 E Plx 5.46
E pmRA 5.4 E pmDE 6.56 Hpmag 7.6213 E Hpmag 0.0458
SHp 0 VA 0 BV 0.676 E BV 0.004
VI 0.74
CCDM
Ccdm 00524-6930 RComp Comp B Note1
Note2 Discov num DUN 2 DRAs 4.39 DDEs -8.6
R dRAs 10 Year 1952 Theta 081 Rho 20.7
Obs 10 Vmag 8.0 Sp F8 PmNote *
PmRA 7 PmDE -48 Dm number -70 38 Cat1 CPD
Name2 248271 Cat2 SAO HD 5208 M HD
ADS BDS M ADS BDS N IDS IDS 00486S7003B
HIC 4088