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Current system
10553-3530
I 1206 AB


Nearby doubles
17' : 10555-3546
TDS7557

18' : 10543-3518
B 2260

19' : 10566-3520
TDS7565

24' : 10559-3507
TOK 278

32' : 10578-3538
HWE 69

32' : 10550-3458
TDS7552

36' : 10583-3528
JSP 444

37' : 10582-3540
B 1175

43' : 10587-3520
UC 2042

47' : 10515-3524
B 2258

50' : 10568-3615
SWR 103

52' : 10515-3508
TDS7510

55' : 10598-3524
B 2723

58' : 10590-3607
SWR 105

60' : 10591-3453
HJ 4391

61' : 10504-3536
KPP2055

62' : 10538-3431
TDS7539

63' : 11000-3507
TOK 788AB

67' : 10566-3635
RSS 250

69' : 10571-3636
BRT1667

73' : 11011-3513
TDS7614

73' : 10496-3552
JC 22

74' : 10515-3432
RSS 247

77' : 10497-3457
RST2713

80' : 10511-3631
TDS7502

83' : 10492-3457
TDS7484



Selections
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Binary Systems
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Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

10553-3530 I 1206 AB

 
 
10h 55m 19.86s -35° 29' 49.8" P.A. 79.00 sep 0.2 mag 8.60,9.10 Sp A0V dist. 271.74 pc (886.42 l.y.)
 
 
Coord 2000 10553-3530 Discov num I  1206 Comp AB Coord arcsec 2000 10 55 19.86 -35 29 49.8
Date first 1926 Date last 2021 Obs 11
Pa first 163 Pa last 78.9 P.A. Now (θ) 78.9°
Sep first 0.2 Sep last 0.162 Sep. Now (ρ) 0.162"
Mag pri 8.60 Mag sec 9.10 delta mag (ΔM) 0.5 Spectral class A0V (white)
Pri motion ra +006 Sec motion ra
Pri motion dec -003 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
10553-3530 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 201899 10 55 20 -35 29 50 I 1206 AB 2021 11 79 0.2 8.60 9.10 0.50 Y <===
Show HD 94693 201899 10 55 20 -35 29 50 WHC 31 AB,C 2017 10 168 33.9 8.05 9.50 1.45
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Antlia SAO 201899 HIP 53399 Tycho2 7207-02018-1
Gaia DR2 5401332527647067776 HD 94693 CD CD-34 7078 CP CP-34 4388
Distance 271.74 Distance ly 886.42
 
 
ORBITAL ELEMENTS
 
 
Period (P)400y Periastron (T)2273.5y Semi-major axis (a)0.325a
Eccentricity (e)0.4 Inclination (i)110.4° Longitude of periastron (ω)121.3°
Node (Ω)11.8° Notes ReferenceTok2021f
Equinox Last observation2021 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 107.1 0.144
2001 105.6 0.144
2002 104.1 0.144
2003 102.7 0.144
2004 101.2 0.145
2005 99.8 0.145
2006 98.3 0.146
2007 96.9 0.146
2008 95.5 0.147
2009 94.1 0.148
2010 92.7 0.149
2011 91.4 0.150
2012 90.0 0.151
2013 88.7 0.152
2014 87.4 0.153
2015 86.1 0.154
2016 84.8 0.155
2017 83.5 0.156
2018 82.3 0.158
2019 81.1 0.159
2020 79.9 0.161
2021 78.7 0.162
2022 77.6 0.164
2023 76.5 0.165
2024 75.4 0.167
2025 74.3 0.168
2026 73.2 0.170
2027 72.2 0.172
2028 71.2 0.174
2029 70.2 0.176
2030 69.2 0.177


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


 
  


wds10553-3530a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 10553-3530 I 1206 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2021f orb - Tokovinin, A. 2021IAUDS.204....1T
Tok2021f Inf. Circ. 204, 1, 2021
 
 
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)
91 WHC Wilson, H.C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10553-3530 I 1206 AB 1993 9 297 0.1 8.60 9.10 A0V D 105519.86-352949.8
10553-3530 I 1206 AB 2017 10 83 0.2 8.60 9.10 A0V 105519.86-352949.8
10553-3530 I 1206 AB 2021 11 79 0.2 8.60 9.10 A0V 105519.86-352949.8

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

 
 
WDS 10553-3530 I 1206 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10553-3530 I 1206 AB : MEASURES
 
 
No records found.

 
 
WDS 10553-3530 : VIRTUAL EYEPIECE
 
 

10553-3530 I 1206A mag 8.6 Sp A0V 10553-3530 I 1206B sep 0.1 P.A. 76.50 mag 9.1 10553-3530 WHC 31C sep 33.7 P.A. 170.40 mag 9.5 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 10553-3530 : ALADIN DSS IMAGE @ 10h 55m 19.86s -35° 29' 49.8"
 
 
 
 
WDS 10553-3530 I 1206 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10553-3530 I 1206AB distance=0' 10555-3546 TDS7557 distance=17' 10543-3518 B 2260 distance=18' 10566-3520 TDS7565 distance=19' 10559-3507 TOK 278 distance=24' 10578-3538 HWE 69 distance=32' 10550-3458 TDS7552 distance=32' 10583-3528 JSP 444 distance=36' 10582-3540 B 1175 distance=37' 10587-3520 UC 2042 distance=43' 10515-3524 B 2258 distance=47' 10568-3615 SWR 103 distance=50' 10515-3508 TDS7510 distance=52' 10598-3524 B 2723 distance=55' 10590-3607 SWR 105 distance=58' 10591-3453 HJ 4391 distance=60' 10504-3536 KPP2055 distance=61' 10538-3431 TDS7539 distance=62' 11000-3507 TOK 788AB distance=63' 11000-3507 TOK 788BC distance=63' 10566-3635 RSS 250 distance=67' 10571-3636 BRT1667 distance=69' 11011-3513 TDS7614 distance=73' 10496-3552 JC 22 distance=73' 10515-3432 RSS 247 distance=74' 10497-3457 RST2713 distance=77' 10511-3631 TDS7502 distance=80' 10492-3457 TDS7484 distance=83' 10542-3652 SWR 101 distance=84' 10493-3613 B 2003 distance=86' 10494-3616 SKF1897 distance=86' 10513-3641 TDS7507 distance=87' 10579-3701 JSP 909 distance=96' 11032-3549 RSS 254 distance=98' 10577-3703 TDS7576 distance=98' 10490-3428 KPP1129 distance=100' 10542-3716 TOK 138 distance=107' 10466-3609 RST4930 distance=114' 11046-3549 KPP2168 distance=115' 10480-3643 B 1171 distance=116' 10592-3344 I 211 distance=117' 11039-3621 JSP 456 distance=117' 11015-3701 I 1210BC distance=118' 11015-3701 HJ 4396AB distance=118' 11049-3548 HDS1582 distance=119' 10477-3414 RST2709 distance=121' 10524-3725 UC 2014 distance=121' 10507-3719 UC 2010 distance=123' 10543-3325 PRO 96 distance=126' 10480-3401 KPP1324 distance=127' 10504-3335 LDS5721 distance=131' 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 10553-3530 I 1206 AB 79 0.2
Show 10553-3530 WHC 31 AB,C 168 33.9
Show 10555-3546 TDS7557 270 0.4 17
Show 10543-3518 B 2260 294 0.3 18
Show 10566-3520 TDS7565 228 0.9 19
Show 10559-3507 TOK 278 352 60.6 24
Show 10578-3538 HWE 69 152 9.2 32
Show 10550-3458 TDS7552 78 0.6 32
Show 10583-3528 JSP 444 108 1.5 36
Show 10582-3540 B 1175 251 0.6 37
Show 10587-3520 UC 2042 83 14.6 43
Show 10515-3524 B 2258 105 6.4 47
Show 10568-3615 SWR 103 256 25.5 50
Show 10515-3508 TDS7510 20 2.7 52
Show 10598-3524 B 2723 207 5.0 55
Show 10590-3607 SWR 105 95 25.6 58
Show 10591-3453 HJ 4391 60 27.9 60
Show 10504-3536 KPP2055 287 16.5 61
Show 10538-3431 TDS7539 336 2.3 62
Show 11000-3507 TOK 788 AB 359 0.7 63
Show 11000-3507 TOK 788 BC 137 0.2 63
Show 10566-3635 RSS 250 306 9.4 67
Show 10571-3636 BRT1667 345 4.9 69
Show 11011-3513 TDS7614 109 0.6 73
Show 10496-3552 JC 22 232 29.2 73
Show 10515-3432 RSS 247 329 11.1 74
Show 10497-3457 RST2713 113 0.7 77
Show 10511-3631 TDS7502 262 0.4 80
Show 10492-3457 TDS7484 220 2.2 83
Show 10542-3652 SWR 101 282 21.9 84
Show 10493-3613 B 2003 13 1.9 86
Show 10494-3616 SKF1897 234 5.6 86
Show 10513-3641 TDS7507 99 0.8 87
Show 10579-3701 JSP 909 161 5.2 96
Show 11032-3549 RSS 254 209 11.0 98
Show 10577-3703 TDS7576 249 0.6 98
Show 10490-3428 KPP1129 294 8.9 100
Show 10542-3716 TOK 138 127 13.6 107
Show 10466-3609 RST4930 89 0.7 114
Show 11046-3549 KPP2168 147 17.8 115
Show 10480-3643 B 1171 313 1.2 116
Show 10592-3344 I 211 233 1.8 117
Show 11039-3621 JSP 456 166 2.2 117
Show 11015-3701 I 1210 BC 100 4.8 118
Show 11015-3701 HJ 4396 AB 252 20.6 118
Show 11049-3548 HDS1582 226 0.0 119
Show 10477-3414 RST2709 250 1.4 121
Show 10524-3725 UC 2014 235 12.4 121
Show 10507-3719 UC 2010 27 9.9 123
Show 10543-3325 PRO 96 266 6.0 126
Show 10480-3401 KPP1324 218 10.0 127

 
 
WDS 10553-3530 : COMPONENTS
 
 
  A B
B pa=76.5°
sep=0.13"
 
C pa=170.4°
sep=33.66"
pa=170.7°
sep=33.67"
 
 
10553-3530 A
 
 
Coord arcsec 2000 105519.86-352949.8 Mag 8.6 Spectral class A0V (white) PmRA 6.00
PmDE -3.0 SAO 201899 HIP 53399 Tycho2 7207-02018-1
HD 94693 CD CD-34 7078 CP CP-34 4388
Tycho2
Tycho2 7207-02018-1 Pflag RAmdeg 163.83273679 DEmdeg -35.49715102
PmRA -2.1 PmDE 2.3 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.34 EpDEm 1991.24
Num 13 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 0.9
Q pmDE 1.2 BTmag 8.155 E BTmag 0.015 VTmag 8.049
E VTmag 0.010 Prox 342 TYC T HIP 53399
CCDM RAdeg 163.83274250 DEdeg -35.49715639 EpRA 1990 1.72
EpDE 1990 1.56 E RAdeg 3.9 E DEdeg 4.4 Posflg
Corr 0.0
SAO
SAO 201899 DelFlag RA1950 PmRA1950 0.0005
DE1950 PmDE1950 -0.021 Vmag 8.1 SpType A0
Double code Source 41 CatNum 5084 DM CD-34 7078
DMcomp BDsup HD 94693 M HD 0
GC RA1950rad 2.84921656 DE1950rad -0.61488566 PmRA2000 0.0008
PmDE2000 -0.017
Hipparcos
Catalog H HIP 53399 Proxy RAhms 10 55 19.86
DEdms -35 29 49.8 Vmag 8.06 VarFlag R Vmag H
RAdeg 163.833 DEdeg -35.4972 AstroRef Plx 3.17
CCDM 10553-3530 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 94693 BD
CD CD-34 7078 CP CP-34 4388 Dm number -34 7078 VIred 0.08
SpType A0V R SpType Coord arcsec 2000 105519.86-352949.8
Hipparcos 2
HIP 53399 Sn 5 So 0 Nc 1
RArad 2.8594207326 DErad -0.6195422207 Plx 3.68 PmRA -2.24
PmDE 1.45 E RArad 0.49 E DErad 0.35 E Plx 0.78
E pmRA 0.51 E pmDE 0.58 Hpmag 8.0932 E Hpmag 0.0013
SHp 0.016 VA 0 BV 0 E BV 0.495
VI 0.08
CCDM
Ccdm 10553-3530 RComp Comp A Note1
Note2 Discov num DRAs 1.82 DDEs 9.1
R dRAs 41 Year Theta Rho
Obs 3 Vmag 8.6 Sp A0 PmNote *
PmRA 6 PmDE -21 Dm number -34 7078 Cat1 CD
Name2 201899 Cat2 SAO HD 94693 M HD
ADS BDS M ADS BDS N IDS IDS 10507S3458A
HIC 53399
 
 
10553-3530 B
 
 
Coord arcsec 2000 105519.87-352949.8 Mag 9.1 Calc delta mag 0.5 Calc coord yes
CCDM
Ccdm 10553-3530 RComp Comp B Note1
Note2 Discov num I 1206 DRAs DDEs
R dRAs Year 1947 Theta 174 Rho 0.2
Obs 5 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10507S3458B
HIC 53399
 
 
10553-3530 C
 
 
Coord arcsec 2000 105520.32-353023.0 Mag 9.5 PmRA 1.00 PmDE 4.0
HIP 53402 Tycho2 7207-02019-1 Calc delta mag 0.9 Calc coord yes
Tycho2
Tycho2 7207-02019-1 Pflag RAmdeg 163.83499064 DEmdeg -35.50647284
PmRA -8.1 PmDE 3.7 E RAmdeg 8 E DEmdeg 10
E pmRA 1.3 E pmDE 1.5 EpRAm 1990.84 EpDEm 1990.50
Num 5 Q RAmdeg 0.8 Q DEmdeg 0.4 Q pmRA 0.8
Q pmDE 0.3 BTmag 9.774 E BTmag 0.019 VTmag 9.503
E VTmag 0.016 Prox 342 TYC T HIP 53402
CCDM RAdeg 163.83501306 DEdeg -35.50648167 EpRA 1990 1.79
EpDE 1990 1.54 E RAdeg 7.5 E DEdeg 10.3 Posflg D
Corr -0.2
Hipparcos
Catalog H HIP 53402 Proxy RAhms 10 55 20.42
DEdms -35 30 23.4 Vmag 9.91 VarFlag R Vmag H
RAdeg 163.835 DEdeg -35.5065 AstroRef Plx 3.84
CCDM 10553-3530 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.73
SpType R SpType Coord arcsec 2000 105520.42-353023.4
Hipparcos 2
HIP 53402 Sn 5 So 0 Nc 1
RArad 2.85946174 DErad -0.619705391 Plx 3.53 PmRA -2.29
PmDE 4.42 E RArad 1.2 E DErad 0.97 E Plx 1.79
E pmRA 1.29 E pmDE 1.69 Hpmag 10.0438 E Hpmag 0.0034
SHp 0.041 VA 0 BV 0 E BV 0
VI 0
CCDM
Ccdm 10553-3530 RComp Comp C Note1
Note2 Discov num WHC DRAs 2.40 DDEs -24.6
R dRAs 41 Year 1885 Theta 169 Rho 34.0
Obs 1 Vmag 9.5 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS 10507S3458C
HIC 53402