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Current system
00106-7313
I 43 AB
HD 661


Nearby doubles
26' : 00105-7339
B 2063

30' : 00150-7251
BRG 1

52' : 00023-7238
HJ 5439

53' : 00160-7401
B 2064

60' : 00240-7300
OGL 6

61' : 00241-7300
OGL 7

62' : 00214-7355
OGL 2

64' : 00190-7406
SHN 46

68' : 00255-7334
OGL 14

69' : 00242-7349
OGL 8

70' : 00250-7244
OGL 10

71' : 00247-7240
OGL 9

71' : 00215-7407
OGL 3

73' : 00272-7324
TOK 908

76' : 00277-7300
OGL 21

77' : 00005-7212
B 1902

77' : 00281-7329
OGL 23

79' : 00278-7251
OGL 22AB

80' : 00283-7339
OGL 24

81' : 00254-7404
OGL 13

81' : 00240-7219
CTI5423

82' : 00270-7237
OGL 18

84' : 00240-7215
B 1908

85' : 00247-7414
BAS 1

87' : 00300-7257
OGL 27

87' : 00305-7305
B 2552



Selections
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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.

00106-7313 I 43 AB (HD 661)

 
 
00h 10m 38.56s -73° 13' 27.7" P.A. 194.00 sep 0.5 mag 6.97,8.55 Sp F2V+F6V dist. 70.42 pc (229.71 l.y.)
 
 
Coord 2000 00106-7313 Discov num I    43 Comp AB Coord arcsec 2000 00 10 38.56 -73 13 27.7
Date first 1896 Date last 2022 Obs 14
Pa first 340 Pa last 193.6 P.A. Now (θ) 193.6°
Sep first 0.8 Sep last 0.54 Sep. Now (ρ) 0.54"
Mag pri 6.97 Mag sec 8.55 delta mag (ΔM) 1.58 Spectral class F2V+F6V (yellow-white/yellow-white)
Pri motion ra +123 Sec motion ra
Pri motion dec +020 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
00106-7313 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 661 255642 00 10 39 -73 13 28 I 43 AB 2022 14 194 0.5 6.97 8.55 1.58 Y <===
Show 255642 00 10 39 -73 13 28 I 43 AB,C 2015 4 334 30.4 6.70 14.20 7.50
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 661 Constellation Tucana SAO 255642 HIP 865
Tycho2 9140-00836-1 Gaia DR2 4689416169048411008 HD 661 HR 32
GC 184 CP CP-73 4 Distance 70.42 Distance ly 229.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)1637.7y± 84 Periastron (T)2187.8y± 86.3 Semi-major axis (a)2.762a± 0.177
Eccentricity (e)0.487± 0.036 Inclination (i)95.6°± 1.8 Longitude of periastron (ω)13.9°± 2.6
Node (Ω)172.8°± 5.3 Notesn ReferenceCve2010e
Equinox2000 Last observation1996 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 210.8 0.351
2001 209.7 0.359
2002 208.6 0.368
2003 207.6 0.376
2004 206.6 0.384
2005 205.6 0.393
2006 204.7 0.401
2007 203.9 0.410
2008 203.0 0.418
2009 202.2 0.427
2010 201.5 0.436
2011 200.7 0.445
2012 200.0 0.454
2013 199.3 0.463
2014 198.7 0.472
2015 198.0 0.481
2016 197.4 0.490
2017 196.9 0.499
2018 196.3 0.509
2019 195.8 0.518
2020 195.2 0.527
2021 194.7 0.536
2022 194.2 0.546
2023 193.8 0.555
2024 193.3 0.564
2025 192.9 0.574
2026 192.4 0.583
2027 192.0 0.593
2028 191.6 0.602
2029 191.2 0.611
2030 190.9 0.621
2031 190.5 0.630
2032 190.1 0.640
2033 189.8 0.649
2034 189.5 0.659
2035 189.1 0.668
2036 188.8 0.677
2037 188.5 0.687
2038 188.2 0.696
2039 187.9 0.706
2040 187.6 0.715
2041 187.4 0.724
2042 187.1 0.734
2043 186.8 0.743
2044 186.6 0.752
2045 186.3 0.762
2046 186.1 0.771
2047 185.8 0.780
2048 185.6 0.790
2049 185.4 0.799
2050 185.2 0.808


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds00106-7313b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 00106-7313 I 43 AB (HD 661) : NOTES
 
 
discov_num notes refcode
I 43 There is a long gap (1931-1977) in the observations.
 
 
REFERENCES
 
 
refcode metd author reference
Cve2010e orb - Cvetkovic, Z. & Novakovic, B. 2010AN....331..304C
Cve2010e Astron. Nachr. 331, 304, 2010
 
 
DISCOVERER
 
 
discov author
CVE Cvetkovic, Z. & Olevic, D.
I MNRAS 57, 533, 1897 (data also in I__1897b,
I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
00106-7313 I 43 AB 1996 12 215 0.3 6.97 8.55 F2V+F6V -73 4 NOD 001038.31-731328.0
00106-7313 I 43 AB 2017 13 196 0.5 6.97 8.55 F2V+F6V -73 4 NO 001038.56-731327.7
00106-7313 I 43 AB 2022 14 194 0.5 6.97 8.55 F2V+F6V -73 4 NO 001038.56-731327.7

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

 
 
WDS 00106-7313 I 43 AB (HD 661) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00106-7313 I 43 AB (HD 661) : MEASURES
 
 
No records found.

 
 
WDS 00106-7313 (HD 661) : VIRTUAL EYEPIECE
 
 

00106-7313 I 43A mag 6.97 Sp F2V 00106-7313 I 43B sep 0.5 P.A. 193.60 mag 8.55 Sp F6V 00106-7313 I 43C sep 30.4 P.A. 334.30 mag 14.2 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 00106-7313 (HD 661) : ALADIN DSS IMAGE @ 00h 10m 38.56s -73° 13' 27.7"
 
 
 
 
WDS 00106-7313 I 43 AB (HD 661) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00106-7313 I 43AB distance=0' 00105-7339 B 2063 distance=26' 00150-7251 BRG 1 distance=30' 00023-7238 HJ 5439 distance=52' 00160-7401 B 2064 distance=53' 00240-7300 OGL 6 distance=60' 00241-7300 OGL 7 distance=61' 00035-7221 KPP4406AC distance=62' 00214-7355 OGL 2 distance=62' 00190-7406 SHN 46 distance=64' 00255-7334 OGL 14 distance=68' 00242-7349 OGL 8 distance=69' 00250-7244 OGL 10 distance=70' 00247-7240 OGL 9 distance=71' 00215-7407 OGL 3 distance=71' 00272-7324 TOK 908 distance=73' 00277-7300 OGL 21 distance=76' 00005-7212 B 1902 distance=77' 00281-7329 OGL 23 distance=77' 00278-7251 OGL 22AB distance=79' 00278-7251 OGL 22AC distance=79' 00278-7251 OGL 22BC distance=79' 00283-7339 OGL 24 distance=80' 00254-7404 OGL 13 distance=81' 00240-7219 CTI5423 distance=81' 00270-7237 OGL 18 distance=82' 00240-7215 B 1908 distance=84' 00247-7414 BAS 1 distance=85' 00300-7257 OGL 27 distance=87' 00305-7305 B 2552 distance=87' 00210-7429 OGL 1 distance=87' 00228-7205 SHN 49 distance=87' 00293-7244 OGL 26 distance=88' 00207-7159 B 1907 distance=88' 00251-7417 NSN 169 distance=88' 00277-7228 OGL 20AB distance=89' 00277-7228 OGL 20AC distance=89' 00277-7228 OGL 20BC distance=89' 00029-7436 TDS 3AB distance=89' 00029-7436 BVD 30AB,C distance=89' 00138-7442 HJ 3353 distance=89' 00267-7220 OGL 16 distance=89' 00242-7205 HJ 3363 distance=91' 00276-7221 OGL 19 distance=93' 00306-7242 OGL 30 distance=94' 00305-7237 OGL 28 distance=96' 00306-7358 OGL 29 distance=96' 00270-7210 SHN 51 distance=97' 00099-7136 R 2 distance=98' 00222-7439 OGL 5 distance=99' 00216-7442 OGL 4 distance=100' 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 00106-7313 I 43 AB 194 0.5 0
Show 00106-7313 I 43 AB,C 334 30.4 0
Show 00105-7339 B 2063 131 0.5 26
Show 00150-7251 BRG 1 52 0.3 30
Show 00023-7238 HJ 5439 79 9.5 52
Show 00160-7401 B 2064 190 5.2 53
Show 00240-7300 OGL 6 333 52.2 60
Show 00241-7300 OGL 7 174 11.6 61
Show 00035-7221 KPP4406 AC 300 3.0 62
Show 00214-7355 OGL 2 110 2.0 62
Show 00190-7406 SHN 46 -1 0.2 64
Show 00255-7334 OGL 14 245 110.6 68
Show 00242-7349 OGL 8 272 592.8 69
Show 00250-7244 OGL 10 299 14.3 70
Show 00247-7240 OGL 9 287 4.1 71
Show 00215-7407 OGL 3 20 870.6 71
Show 00272-7324 TOK 908 252 0.2 73
Show 00277-7300 OGL 21 214 1.7 76
Show 00005-7212 B 1902 242 2.8 77
Show 00281-7329 OGL 23 195 999.9 77
Show 00278-7251 OGL 22 AB 19 52.0 79
Show 00278-7251 OGL 22 AC 98 3.3 79
Show 00278-7251 OGL 22 BC 196 51.4 79
Show 00283-7339 OGL 24 80 25.3 80
Show 00254-7404 OGL 13 226 28.2 81
Show 00240-7219 CTI5423 275 1.8 81
Show 00270-7237 OGL 18 263 96.9 82
Show 00240-7215 B 1908 233 0.4 84
Show 00247-7414 BAS 1 49 0.7 85
Show 00300-7257 OGL 27 80 1.6 87
Show 00305-7305 B 2552 88 7.3 87
Show 00210-7429 OGL 1 167 77.3 87
Show 00228-7205 SHN 49 -1 0.4 87
Show 00293-7244 OGL 26 102 6.1 88
Show 00207-7159 B 1907 44 5.3 88
Show 00251-7417 NSN 169 288 4.7 88
Show 00277-7228 OGL 20 AB 352 0.6 89
Show 00277-7228 OGL 20 AC 133 2.1 89
Show 00277-7228 OGL 20 BC 141 2.8 89
Show 00029-7436 TDS 3 AB 47 1.5 89
Show 00029-7436 BVD 30 AB,C 11 37.8 89
Show 00138-7442 HJ 3353 299 31.7 89
Show 00267-7220 OGL 16 44 46.0 89
Show 00242-7205 HJ 3363 253 7.4 91
Show 00276-7221 OGL 19 17 0.6 93
Show 00306-7242 OGL 30 217 439.0 94
Show 00305-7237 OGL 28 225 115.1 96
Show 00306-7358 OGL 29 226 530.2 96
Show 00270-7210 SHN 51 -1 0.4 97
Show 00099-7136 R 2 31 46.5 98
Show 00222-7439 OGL 5 234 13.8 99

 
 
WDS 00106-7313 : COMPONENTS
 
 
  A B
B pa=193.6°
sep=0.54"
 
C pa=334.3°
sep=30.43"
pa=334.9°
sep=30.85"
 
 
00106-7313 A
 
 
Name HD 661 Coord arcsec 2000 001038.56-731327.7 Mag 6.97 Spectral class F2V (yellow-white)
PmRA 123.00 PmDE 20.0 SAO 255642 HIP 865
Tycho2 9140-00836-1 HD 661 HR 32 GC 184
CP CP-73 4
Tycho2
Tycho2 9140-00836-1 Pflag RAmdeg 2.66066498 DEmdeg -73.22438630
PmRA 123.3 PmDE 19.7 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.3 EpRAm 1991.53 EpDEm 1991.39
Num 13 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.4 BTmag 7.098 E BTmag 0.015 VTmag 6.703
E VTmag 0.010 Prox 999 TYC T HIP 865
CCDM AS RAdeg 2.65968139 DEdeg -73.22443167 EpRA 1990 1.71
EpDE 1990 1.66 E RAdeg 3.8 E DEdeg 3.8 Posflg P
Corr 0.0
SAO
SAO 255642 DelFlag RA1950 PmRA1950 0.0309
DE1950 PmDE1950 0.019 Vmag 6.8 SpType +++
Double code Source 70 CatNum 184 DM CP-73 4
DMcomp BDsup HD 661 M HD 9
GC 184 RA1950rad 0.03582805 DE1950rad -1.28286846 PmRA2000 0.0285
PmDE2000 0.016
Hipparcos
Catalog H HIP 865 Proxy H RAhms 00 10 38.31
DEdms -73 13 28.0 Vmag 6.66 VarFlag R Vmag H
RAdeg 2.65962 DEdeg -73.2244 AstroRef * Plx 15.06
CCDM 121.50 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AS
Theta 222 Rho 0.298 HD BD
CD CP CP-73 4 Dm number -73 4 VIred 0.43
SpType F3/F5IV+... R SpType Coord arcsec 2000 001038.31-731328.0
Hipparcos 2
HIP 865 Sn 55 So 3 Nc 2
RArad 0.0464191775 DErad -1.2780074673 Plx 14.2 PmRA 121.53
PmDE 18.92 E RArad 0.41 E DErad 0.38 E Plx 0.46
E pmRA 0.48 E pmDE 0.44 Hpmag E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.372 E BV 0.006
VI 0.43
CCDM
Ccdm 00106-7313 RComp Comp A Note1
Note2 Discov num DRAs 2.56 DDEs -28.0
R dRAs 10 Year Theta Rho
Obs 3 Vmag 7.1 Sp G PmNote *
PmRA 126 PmDE 19 Dm number -73 4 Cat1 CPD
Name2 255642 Cat2 SAO HD 662 M HD
ADS BDS M ADS BDS N IDS IDS 00057S7347A
HIC 865
 
 
00106-7313 B
 
 
Coord arcsec 2000 001038.53-731328.2 Mag 8.55 Spectral class F6V (yellow-white) Delta magnitude 1.58
Coordinate calculated yes
CCDM
Ccdm 00106-7313 RComp Comp B Note1
Note2 Discov num I 43 DRAs DDEs
R dRAs Year 1931 Theta 320 Rho 0.5
Obs 4 Vmag 8.2 Sp A5 PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD 661 M HD
ADS BDS M ADS BDS N N IDS IDS 00057S7347B
HIC 865
 
 
00106-7313 C
 
 
Coord arcsec 2000 001035.51-731300.3 Mag 14.2 PmRA -5.00 PmDE -15.0
Delta magnitude 7.23 Coordinate calculated yes
CCDM
Ccdm 00106-7313 RComp Comp C Note1
Note2 Discov num I 43 DRAs DDEs
R dRAs Year Theta 000 Rho 20.0
Obs Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 00057S7347C
HIC