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Doubles in session


Current system
00164-7024
HEI 198
HD 1261


Nearby doubles
10' : 00172-7032
SYU 1

27' : 00171-6958
ALD 19

51' : 00207-6938
HUB 1

52' : 00253-7000
TDS1455

52' : 00161-7115
B 1409

58' : 00049-7022
TDS1285

59' : 00261-7057
OGL 15

60' : 00279-7013
UC 374

67' : 00294-7037
UC 377

78' : 00013-7012
GLI 290AB

79' : 00269-7123
OGL 17AB

80' : 00099-7136
R 2

81' : 00085-7134
HLN 18

81' : 00287-7117
HEI 611

88' : 00337-7038
LDS 20

94' : 00029-6922
TDS1269

94' : 00340-7056
OGL 40

94' : 00334-7104
OGL 38

98' : 00332-7114
OGL 37

98' : 00207-7159
B 1907

100' : 00346-7105
OGL 42

102' : 00357-7055
OGL 44AB

107' : 00228-7205
SHN 49

109' : 00242-7205
HJ 3363

116' : 00306-6855
KPP4417

118' : 00240-7215
B 1908



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.

00164-7024 HEI 198 (HD 1261)

 
 
00h 16m 24.38s -70° 23' 32.6" P.A. 178.00 sep 0.1 mag 7.80,8.26 Sp F8V dist. 193.05 pc (629.73 l.y.)
 
 
Coord 2000 00164-7024 Discov num HEI 198 Comp Coord arcsec 2000 00 16 24.38 -70 23 32.6
Date first 1983 Date last 2021 Obs 12
Pa first 128 Pa last 177.9 P.A. Now (θ) 177.9°
Sep first 0.2 Sep last 0.113 Sep. Now (ρ) 0.113"
Mag pri 7.80 Mag sec 8.26 delta mag (ΔM) 0.46 Spectral class F8V (yellow-white)
Pri motion ra -001 Sec motion ra
Pri motion dec +002 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 1261 Constellation Tucana SAO 255651 HIP 1309
Tycho2 9137-00628-1 Gaia DR2 4702206375497204992 HD 1261 GC 319
CP CP-71 4 Distance 193.05 Distance ly 629.73
 
 
ORBITAL ELEMENTS
 
 
Period (P)63.3y± 30.8 Periastron (T)2010.7y± 2.7 Semi-major axis (a)0.166a± 0.072
Eccentricity (e)0.42± 0.15 Inclination (i)121.6°± 15 Longitude of periastron (ω)210°± 25.5
Node (Ω)153.2°± 10.6 Notes ReferenceTok2017b
Equinox2000 Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 44.7 0.087
2001 34.8 0.087
2002 25.2 0.089
2003 16.1 0.092
2004 7.7 0.095
2005 359.8 0.099
2006 352.4 0.102
2007 345.3 0.103
2008 338.2 0.102
2009 330.9 0.099
2010 322.8 0.093
2011 313.3 0.084
2012 301.5 0.074
2013 286.1 0.065
2014 266.5 0.059
2015 244.8 0.059
2016 225.0 0.065
2017 209.6 0.075
2018 198.3 0.088
2019 190.0 0.102
2020 183.7 0.115
2021 178.6 0.129
2022 174.5 0.141
2023 171.1 0.153
2024 168.1 0.164
2025 165.5 0.174
2026 163.1 0.182
2027 161.0 0.190
2028 159.0 0.198
2029 157.2 0.204
2030 155.4 0.209


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


 
  


wds00164-7024e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 00164-7024 HEI 198 (HD 1261) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2017b orb j Tokovinin, A. 2017AJ....154..110T
Tok2017b AJ 154, 110, 2017
 
 
DISCOVERER
 
 
idgroup discov author
1 HEI Heintz, W.D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00164-7024 HEI 198 1991 3 107 0.1 7.80 8.26 F8V 001624.38-702332.6
00164-7024 HEI 198 2014 4 74 0.1 7.80 8.26 F8V 001624.38-702332.6
00164-7024 HEI 198 2015 5 223 0.1 7.80 8.26 F8V 001624.38-702332.6
00164-7024 HEI 198 2017 8 202 0.1 7.80 8.26 F8V 001624.38-702332.6
00164-7024 HEI 198 2018 9 195 0.1 7.80 8.26 F8V O 001624.38-702332.6
00164-7024 HEI 198 2019 10 189 1.1 7.80 8.26 F8V O 001624.38-702332.6
00164-7024 HEI 198 2020 11 183 0.1 7.80 8.26 F8V O 001624.38-702332.6
00164-7024 HEI 198 2021 12 178 0.1 7.80 8.26 F8V O 001624.38-702332.6

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

 
 
WDS 00164-7024 HEI 198 (HD 1261) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 00164-7024 HEI 198 (HD 1261) : MEASURES
 
 
No records found.

 
 
WDS 00164-7024 (HD 1261) : VIRTUAL EYEPIECE
 
 

00164-7024 HEI 198A mag 7.8 Sp F8V 00164-7024 HEI 198B sep 0.1 P.A. 179.30 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 00164-7024 (HD 1261) : ALADIN DSS IMAGE @ 00h 16m 24.38s -70° 23' 32.6"
 
 
 
 
WDS 00164-7024 HEI 198 (HD 1261) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

00164-7024 HEI 198 distance=1' 00172-7032 SYU 1 distance=10' 00171-6958 ALD 19 distance=27' 00207-6938 HUB 1 distance=51' 00253-7000 TDS1455 distance=52' 00161-7115 B 1409 distance=52' 00049-7022 TDS1285 distance=58' 00261-7057 OGL 15 distance=59' 00279-7013 UC 374 distance=60' 00294-7037 UC 377 distance=67' 00013-7012 GLI 290AB distance=78' 00013-7012 BAU 1AC distance=78' 00269-7123 OGL 17AB distance=79' 00269-7123 OGL 17AC distance=79' 00099-7136 R 2 distance=80' 00085-7134 HLN 18 distance=81' 00287-7117 HEI 611 distance=81' 00337-7038 LDS 20 distance=88' 00029-6922 TDS1269 distance=94' 00340-7056 OGL 40 distance=94' 00334-7104 OGL 38 distance=94' 00332-7114 OGL 37 distance=98' 00207-7159 B 1907 distance=98' 00346-7105 OGL 42 distance=100' 00357-7055 OGL 44AB distance=102' 00357-7055 OGL 44AC distance=102' 00357-7055 OGL 44BC distance=102' 00228-7205 SHN 49 distance=107' 00242-7205 HJ 3363 distance=109' 00306-6855 KPP4417 distance=116' 00240-7215 B 1908 distance=118' 00270-7210 SHN 51 distance=119' 00240-7219 CTI5423 distance=121' 00058-6833 HDS 4 distance=124' 00267-7220 OGL 16 distance=127' 00276-7221 OGL 19 distance=130' 00035-7221 KPP4406AC distance=133' 00005-7212 B 1902 distance=133' 00277-7228 OGL 20BC distance=136' 00277-7228 OGL 20AB distance=136' 00277-7228 OGL 20AC distance=136' 00270-7237 OGL 18 distance=143' 00247-7240 OGL 9 distance=143' 00157-6800 LDS 8 distance=144' 00250-7244 OGL 10 distance=147' 00150-7251 BRG 1 distance=148' 00021-6817 I 699AB distance=148' 00021-6817 BAU 2AC distance=148' 00305-7237 OGL 28 distance=150' 00160-6754 HJ 3357 distance=150' 00023-7238 HJ 5439 distance=151' 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 00164-7024 HEI 198 178 0.1 1
Show 00172-7032 SYU 1 90 0.1 10
Show 00171-6958 ALD 19 230 5.0 27
Show 00207-6938 HUB 1 216 2.3 51
Show 00253-7000 TDS1455 126 0.5 52
Show 00161-7115 B 1409 164 0.5 52
Show 00049-7022 TDS1285 284 0.5 58
Show 00261-7057 OGL 15 82 0.7 59
Show 00279-7013 UC 374 296 16.9 60
Show 00294-7037 UC 377 125 9.2 67
Show 00013-7012 GLI 290 AB 118 28.2 78
Show 00013-7012 BAU 1 AC 353 32.6 78
Show 00269-7123 OGL 17 AB 302 1.7 79
Show 00269-7123 OGL 17 AC 71 234.2 79
Show 00099-7136 R 2 31 46.5 80
Show 00085-7134 HLN 18 323 3.5 81
Show 00287-7117 HEI 611 345 1.6 81
Show 00337-7038 LDS 20 138 14.0 88
Show 00029-6922 TDS1269 67 0.9 94
Show 00340-7056 OGL 40 79 1.1 94
Show 00334-7104 OGL 38 93 4.9 94
Show 00332-7114 OGL 37 247 1.7 98
Show 00207-7159 B 1907 44 5.3 98
Show 00346-7105 OGL 42 356 4.4 100
Show 00357-7055 OGL 44 AB 137 11.8 102
Show 00357-7055 OGL 44 AC 223 205.1 102
Show 00357-7055 OGL 44 BC 226 204.5 102
Show 00228-7205 SHN 49 -1 0.4 107
Show 00242-7205 HJ 3363 253 7.4 109
Show 00306-6855 KPP4417 202 3.4 116
Show 00240-7215 B 1908 233 0.4 118
Show 00270-7210 SHN 51 -1 0.4 119
Show 00240-7219 CTI5423 275 1.8 121
Show 00058-6833 HDS 4 218 0.2 124
Show 00267-7220 OGL 16 44 46.0 127
Show 00276-7221 OGL 19 17 0.6 130
Show 00035-7221 KPP4406 AC 300 3.0 133
Show 00005-7212 B 1902 242 2.8 133
Show 00277-7228 OGL 20 BC 141 2.8 136
Show 00277-7228 OGL 20 AB 352 0.6 136
Show 00277-7228 OGL 20 AC 133 2.1 136
Show 00270-7237 OGL 18 263 96.9 143
Show 00247-7240 OGL 9 287 4.1 143
Show 00157-6800 LDS 8 289 47.9 144
Show 00250-7244 OGL 10 299 14.3 147
Show 00150-7251 BRG 1 52 0.3 148
Show 00021-6817 I 699 AB 131 4.2 148
Show 00021-6817 BAU 2 AC 56 46.5 148
Show 00305-7237 OGL 28 225 115.1 150
Show 00160-6754 HJ 3357 337 9.9 150
Show 00023-7238 HJ 5439 79 9.5 151

 
 
WDS 00164-7024 : COMPONENTS
 
 
  A
B pa=179.3°
sep=0.11"
 
 
00164-7024 A
 
 
Componente originario normalizzato AB Name HD 1261 Coord arcsec 2000 001624.38-702332.6 Mag 7.8
Spectral class F8V (yellow-white) PmRA -1.00 PmDE 2.0 SAO 255651
HIP 1309 Tycho2 9137-00628-1 HD 1261 GC 319
CP CP-71 4
Tycho2
Tycho2 9137-00628-1 Pflag RAmdeg 4.10160483 DEmdeg -70.39236307
PmRA 2.4 PmDE 11.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.36 EpDEm 1991.35
Num 14 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 1.1
Q pmDE 1.7 BTmag 7.481 E BTmag 0.015 VTmag 7.213
E VTmag 0.010 Prox 999 TYC T HIP 1309
CCDM AB RAdeg 4.10158806 DEdeg -70.39239083 EpRA 1990 1.65
EpDE 1990 1.64 E RAdeg 3.9 E DEdeg 3.9 Posflg P
Corr 0.0
SAO
SAO 255651 DelFlag RA1950 PmRA1950 0.005
DE1950 PmDE1950 0.02 Vmag 7.3 SpType A2
Double code Source 70 CatNum 319 DM CP-71 4
DMcomp BDsup HD 1261 M HD 0
GC 319 RA1950rad 0.06133148 DE1950rad -1.23342967 PmRA2000 0.0034
PmDE2000 0.017
Hipparcos
Catalog H HIP 1309 Proxy H RAhms 00 16 24.38
DEdms -70 23 32.6 Vmag 7.18 VarFlag R Vmag H
RAdeg 4.10159 DEdeg -70.3924 AstroRef * Plx 5.08
CCDM 00164-7024 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 107 Rho 0.136 HD 1261 BD
CD CP CP-71 4 Dm number -71 4 VIred 0.25
SpType F0V R SpType Coord arcsec 2000 001624.38-702332.6
Hipparcos 2
HIP 1309 Sn 55 So 3 Nc 2
RArad 0.0715862049 DErad -1.2285789957 Plx 5.18 PmRA 3.3
PmDE 10.12 E RArad 0.44 E DErad 0.42 E Plx 0.53
E pmRA 0.53 E pmDE 0.47 Hpmag 7.2549 E Hpmag 0.0012
SHp 0.013 VA 0 BV 0.25 E BV 0.008
VI 0.28
CCDM
Ccdm 00164-7024 RComp Comp A Note1
Note2 Discov num DRAs 0.41 DDEs 27.6
R dRAs 81 Year Theta Rho
Obs 2 Vmag 8.0 Sp F8 PmNote @
PmRA 1 PmDE 15 Dm number -71 4 Cat1 CPD
Name2 255651 Cat2 SAO HD 1261 M HD
ADS BDS M ADS BDS N IDS * IDS 00117S7057A
HIC 1309
 
 
00164-7024 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 001624.38-702332.7 Mag 8.26 Calc delta mag 0.46
Calc coord yes
CCDM
Ccdm 00164-7024 RComp Comp B Note1
Note2 Discov num HEI 198 DRAs DDEs
R dRAs Year 1983 Theta 129 Rho 0.2
Obs 2 Vmag 8.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 00117S7057B
HIC 1309