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Doubles in session


Current system
01220-6943
I 263
HD 8519


Nearby doubles
61' : 01158-6853
HJ 3423AB

62' : 01197-6843
NSN 171

64' : 01281-6848
KPP2545

69' : 01124-7031
NSN 170

76' : 01349-6909
GLI 12

79' : 01368-6932
VOU 17

86' : 01134-7057
LDS 39

88' : 01174-6818
DON 16

89' : 01171-6819
DAM 395

91' : 01350-6845
UC 588

93' : 01258-7114
B 1426

99' : 01407-6959
KPP 582

103' : 01044-6859
KPP3441

105' : 01072-6834
HDS 147

107' : 01194-7129
OGL 176

115' : 01182-7136
OGL 174

115' : 01262-6751
DON 17

117' : 01088-7119
OGL 152

122' : 01092-7127
OGL 154

123' : 01167-7142
OGL 169

123' : 01207-7145
OGL 182

123' : 01072-7121
OGL 149

128' : 01055-6813
LDS 36

128' : 01271-6738
UC 559

129' : 01177-7150
OGL 172AB

135' : 01198-7157
OGL 181



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.

01220-6943 I 263 (HD 8519)

 
 
01h 21m 58.64s -69° 43' 07.6" P.A. 296.00 sep 0.4 mag 7.66,8.61 Sp F3V dist. 89.61 pc (292.31 l.y.)
 
 
Coord 2000 01220-6943 Discov num I   263 Comp Coord arcsec 2000 01 21 58.64 -69 43 07.6
Date first 1897 Date last 2018 Obs 48
Pa first 52 Pa last 296.4 P.A. Now (θ) 296.4°
Sep first 0.7 Sep last 0.376 Sep. Now (ρ) 0.376"
Mag pri 7.66 Mag sec 8.61 delta mag (ΔM) 0.95 Spectral class F3V (yellow-white)
Pri motion ra -002 Sec motion ra -002
Pri motion dec +006 Sec motion dec +006
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 8519 Constellation Tucana SAO 248370 HIP 6377
Tycho2 9136-01600-1 HD 8519 GC 1673 CP CP-70 64
Distance 89.61 Distance ly 292.31
 
 
ORBITAL ELEMENTS
 
 
Period (P)272.15y± 47.48 Periastron (T)1936.56y± 5.3 Semi-major axis (a)0.791a± 0.075
Eccentricity (e)0.374± 0.059 Inclination (i)68.6°± 1.9 Longitude of periastron (ω)297.3°± 14.1
Node (Ω)231.3°± 2.8 Notesn ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 266.0 0.491
2001 267.2 0.484
2002 268.4 0.478
2003 269.7 0.472
2004 270.9 0.466
2005 272.2 0.459
2006 273.6 0.453
2007 275.0 0.447
2008 276.4 0.441
2009 277.9 0.436
2010 279.3 0.430
2011 280.9 0.425
2012 282.5 0.419
2013 284.1 0.414
2014 285.7 0.409
2015 287.4 0.405
2016 289.1 0.400
2017 290.9 0.396
2018 292.7 0.392
2019 294.6 0.388
2020 296.4 0.385
2021 298.3 0.382
2022 300.3 0.379
2023 302.2 0.377
2024 304.2 0.375
2025 306.2 0.373
2026 308.2 0.372
2027 310.3 0.371
2028 312.3 0.370
2029 314.4 0.370
2030 316.4 0.370


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


 
  


wds01220-6943a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 01220-6943 I 263 (HD 8519) : NOTES
 
 
discov_num notes refcode
I 263 A premature orbit has been computed. Motion direct.
 
 
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 I Innes, R.T.A.
5 I MNRAS 57, 533, 1897 (data also in I__1897b,
5 I I__1897c)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
01220-6943 I 263 2001 42 267 0.5 7.66 8.61 F3V NOD 012158.64-694307.6
01220-6943 I 263 2008 45 278 0.4 7.66 8.61 F3V NOD 012158.64-694307.6
01220-6943 I 263 2009 46 279 0.4 7.66 8.61 F3V NOD 012158.64-694307.6
01220-6943 I 263 2014 47 289 0.4 7.66 8.61 F3V NO 012158.64-694307.6
01220-6943 I 263 2018 48 296 0.4 7.66 8.61 F3V NO 012158.64-694307.6

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

 
 
WDS 01220-6943 I 263 (HD 8519) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 01220-6943 I 263 (HD 8519) : MEASURES
 
 
No records found.

 
 
WDS 01220-6943 (HD 8519) : VIRTUAL EYEPIECE
 
 

01220-6943 I 263A mag 7.66 Sp F3V 01220-6943 I 263B sep 0.2 P.A. 325.10 mag 8.61 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 01220-6943 (HD 8519) : ALADIN DSS IMAGE @ 01h 21m 58.64s -69° 43' 07.6"
 
 
 
 
WDS 01220-6943 I 263 (HD 8519) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

01220-6943 I 263 distance=0' 01158-6853 HJ 3423AB distance=61' 01158-6853 HJ 3423A,CD distance=61' 01197-6843 NSN 171 distance=62' 01281-6848 KPP2545 distance=64' 01158-6853 I 27CD distance=66' 01124-7031 NSN 170 distance=69' 01349-6909 GLI 12 distance=76' 01368-6932 VOU 17 distance=79' 01134-7057 LDS 39 distance=86' 01174-6818 DON 16 distance=88' 01171-6819 DAM 395 distance=89' 01350-6845 UC 588 distance=91' 01258-7114 B 1426 distance=93' 01407-6959 KPP 582 distance=99' 01044-6859 KPP3441 distance=103' 01072-6834 HDS 147 distance=105' 01194-7129 OGL 176 distance=107' 01182-7136 OGL 174 distance=115' 01262-6751 DON 17 distance=115' 01088-7119 OGL 152 distance=117' 01092-7127 OGL 154 distance=122' 01167-7142 OGL 169 distance=123' 01207-7145 OGL 182 distance=123' 01072-7121 OGL 149 distance=123' 01055-6813 LDS 36 distance=128' 01271-6738 UC 559 distance=128' 01177-7150 OGL 172AB distance=129' 01177-7150 OGL 172AC distance=129' 01198-7157 OGL 181 distance=135' 01178-7158 UC 539 distance=137' 01033-7123 OGL 137 distance=137' 01050-7132 OGL 144 distance=138' 01257-6725 VOU 19 distance=140' 01197-7203 OGL 180 distance=141' 01040-7134 OGL 142 distance=143' 01195-7205 OGL 179 distance=143' 01037-7138 OGL 139 distance=146' 01036-7138 OGL 138 distance=147' 01058-7150 OGL 148 distance=150' 01240-7213 KPP2794AB distance=151' 01104-6727 GKI 3 distance=151' 01191-7215 OGL 175 distance=153' 01073-7201 OGL 150 distance=156' 01131-7215 OGL 162 distance=158' 01087-7207 SHN 64 distance=159' 01412-6741 LDS 56 distance=162' 01088-6718 DON 15 distance=162' 01037-7158 OGL 140 distance=162' 01158-7224 OGL 167 distance=164' 01239-7228 OGL 189 distance=165' 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 01220-6943 I 263 296 0.4
Show 01158-6853 HJ 3423 AB 315 4.6 61
Show 01158-6853 HJ 3423 A,CD 310 319.2 61
Show 01197-6843 NSN 171 88 10.3 62
Show 01281-6848 KPP2545 187 23.0 64
Show 01158-6853 I 27 CD 359 1.0 66
Show 01124-7031 NSN 170 64 1.4 69
Show 01349-6909 GLI 12 125 23.8 76
Show 01368-6932 VOU 17 281 14.6 79
Show 01134-7057 LDS 39 330 14.9 86
Show 01174-6818 DON 16 297 2.5 88
Show 01171-6819 DAM 395 37 4.2 89
Show 01350-6845 UC 588 163 40.9 91
Show 01258-7114 B 1426 28 2.5 93
Show 01407-6959 KPP 582 66 5.4 99
Show 01044-6859 KPP3441 37 1.8 103
Show 01072-6834 HDS 147 323 26.2 105
Show 01194-7129 OGL 176 222 1.1 107
Show 01182-7136 OGL 174 72 18.8 115
Show 01262-6751 DON 17 291 1.4 115
Show 01088-7119 OGL 152 196 354.6 117
Show 01092-7127 OGL 154 278 2.9 122
Show 01167-7142 OGL 169 225 7.3 123
Show 01207-7145 OGL 182 237 8.9 123
Show 01072-7121 OGL 149 348 1.7 123
Show 01055-6813 LDS 36 125 8.0 128
Show 01271-6738 UC 559 122 32.4 128
Show 01177-7150 OGL 172 AB 244 1.5 129
Show 01177-7150 OGL 172 AC 86 234.1 129
Show 01198-7157 OGL 181 329 50.9 135
Show 01178-7158 UC 539 331 40.2 137
Show 01033-7123 OGL 137 187 155.1 137
Show 01050-7132 OGL 144 122 159.8 138
Show 01257-6725 VOU 19 225 6.0 140
Show 01197-7203 OGL 180 124 37.1 141
Show 01040-7134 OGL 142 86 69.6 143
Show 01195-7205 OGL 179 204 25.4 143
Show 01037-7138 OGL 139 3 1.6 146
Show 01036-7138 OGL 138 176 773.7 147
Show 01058-7150 OGL 148 100 3.9 150
Show 01240-7213 KPP2794 AB 14 5.5 151
Show 01104-6727 GKI 3 10 0.1 151
Show 01191-7215 OGL 175 200 3.4 153
Show 01073-7201 OGL 150 336 22.9 156
Show 01131-7215 OGL 162 208 12.3 158
Show 01087-7207 SHN 64 -1 0.2 159
Show 01412-6741 LDS 56 219 33.5 162
Show 01088-6718 DON 15 262 1.3 162
Show 01037-7158 OGL 140 313 3.5 162
Show 01158-7224 OGL 167 324 1.4 164
Show 01239-7228 OGL 189 273 12.2 165

 
 
WDS 01220-6943 : COMPONENTS
 
 
  A
B pa=325.1°
sep=0.20"
 
 
01220-6943 A
 
 
Componente originario normalizzato AB Name HD 8519 Coord arcsec 2000 012158.64-694307.6 Mag 7.66
Spectral class F3V (yellow-white) PmRA -2.00 PmDE 6.0 SAO 248370
HIP 6377 Tycho2 9136-01600-1 HD 8519 GC 1673
CP CP-70 64
Tycho2
Tycho2 9136-01600-1 Pflag RAmdeg 20.49423996 DEmdeg -69.71877524
PmRA -2.1 PmDE 6.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.2 E pmDE 1.2 EpRAm 1991.44 EpDEm 1991.35
Num 15 Q RAmdeg 1.0 Q DEmdeg 1.8 Q pmRA 0.9
Q pmDE 1.7 BTmag 7.812 E BTmag 0.015 VTmag 7.365
E VTmag 0.010 Prox 999 TYC T HIP 6377
CCDM AB RAdeg 20.49425361 DEdeg -69.71878917 EpRA 1990 1.73
EpDE 1990 1.68 E RAdeg 4.1 E DEdeg 4.1 Posflg P
Corr 0.0
SAO
SAO 248370 DelFlag RA1950 PmRA1950 -0.0018
DE1950 PmDE1950 0.005 Vmag 7 SpType F2
Double code Source 70 CatNum 1673 DM CP-70 64
DMcomp BDsup HD 8519 M HD 0
GC 1673 RA1950rad 0.35110222 DE1950rad -1.22138292 PmRA2000 -0.003
PmDE2000 0.002
Hipparcos
Catalog H HIP 6377 Proxy H RAhms 01 21 58.65
DEdms -69 43 07.6 Vmag 7.26 VarFlag R Vmag H
RAdeg 20.4944 DEdeg -69.7188 AstroRef A Plx 12.38
CCDM 01220-6943 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 257 Rho 0.549 HD 8519 BD
CD CP CP-70 64 Dm number -70 64 VIred 0.49
SpType F3V R SpType Coord arcsec 2000 012158.65-694307.6
Hipparcos 2
HIP 6377 Sn 15 So 3 Nc 2
RArad 0.3576945418 DErad -1.2168222395 Plx 11.16 PmRA -5.81
PmDE 3.66 E RArad 0.84 E DErad 0.48 E Plx 0.72
E pmRA 0.83 E pmDE 0.57 Hpmag 7.3551 E Hpmag 0.0013
SHp 0.011 VA 0 BV 0.424 E BV 0.009
VI 0.49
CCDM
Ccdm 01220-6943 RComp Comp A Note1
Note2 Discov num DRAs -1.64 DDEs -7.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.5 Sp F2 PmNote *
PmRA -11 PmDE 8 Dm number -70 64 Cat1 CPD
Name2 248370 Cat2 SAO HD 8519 M HD
ADS BDS M ADS BDS N IDS IDS 01190S7014A
HIC 6377
 
 
01220-6943 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 012158.62-694307.4 Mag 8.61 PmRA -2.00
PmDE 6.0 Calc delta mag 0.95 Calc coord yes
CCDM
Ccdm 01220-6943 RComp Comp B Note1 *
Note2 Discov num I 263 DRAs DDEs
R dRAs Year 1959 Theta 233 Rho 0.6
Obs 16 Vmag 8.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N N IDS IDS 01190S7014B
HIC 6377