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Current system
01477-4358
I 52
HD 11057


Nearby doubles
20' : 01459-4357
HJ 3463

22' : 01496-4352
TDS2016

31' : 01455-4418
DON 23

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TDS2000

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HJ 3471

64' : 01531-4422
TDS2035

75' : 01523-4303
TOI 854

81' : 01402-4352
B 1427

86' : 01497-4236
HDS 244

87' : 01557-4351
I 452

92' : 01458-4229
DON 24

94' : 01405-4307
DON 22AB

101' : 01404-4502
COO 8

104' : 01387-4436
POL 1

108' : 01440-4538
TDS1973

111' : 01485-4208
UC 633

112' : 01386-4453
RST3361

112' : 01483-4207
DON 25

112' : 01385-4451
LDS 54

115' : 01444-4209
TDS1977

122' : 01420-4213
SKF 350

123' : 01387-4515
HJ 3451

124' : 01583-4448
SHN 70

131' : 01560-4534
RST2269

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HJ 3477

138' : 01567-4222
CPO 2



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.

01477-4358 I 52 (HD 11057)

 
 
01h 47m 40.54s -43° 58' 16.2" P.A. 208.00 sep 0.5 mag 8.47,9.10 Sp F6+F9 dist. 188.68 pc (615.47 l.y.)
 
 
Coord 2000 01477-4358 Discov num I    52 Comp Coord arcsec 2000 01 47 40.54 -43 58 16.2
Date first 1896 Date last 2016 Obs 35
Pa first 180 Pa last 207.6 P.A. Now (θ) 207.6°
Sep first 1.0 Sep last 0.525 Sep. Now (ρ) 0.525"
Mag pri 8.47 Mag sec 9.10 delta mag (ΔM) 0.63 Spectral class F6+F9 (yellow-white/yellow-white)
Pri motion ra +050 Sec motion ra +050
Pri motion dec -013 Sec motion dec -013
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 11057 Constellation Phoenix SAO 215655 HIP 8353
Tycho2 7549-00351-1 Gaia DR2 4955751351679389952 HD 11057 CD CD-44 522
CP CP-44 220 Distance 188.68 Distance ly 615.47
 
 
ORBITAL ELEMENTS
 
 
Period (P)223.9y± 8 Periastron (T)1969.74y± 1 Semi-major axis (a)0.372a± 0.01
Eccentricity (e)0.847± 0.017 Inclination (i)150.4°± 9 Longitude of periastron (ω)12.5°± 6.5
Node (Ω)20.9°± 6 Notesn ReferenceDoc2016i
Equinox2000 Last observation2015 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 215.0 0.406
2001 214.4 0.414
2002 213.8 0.422
2003 213.3 0.429
2004 212.7 0.437
2005 212.2 0.445
2006 211.7 0.452
2007 211.2 0.459
2008 210.7 0.466
2009 210.2 0.473
2010 209.8 0.479
2011 209.3 0.486
2012 208.9 0.492
2013 208.5 0.498
2014 208.1 0.504
2015 207.7 0.510
2016 207.3 0.516
2017 206.9 0.522
2018 206.5 0.527
2019 206.2 0.533
2020 205.8 0.538
2021 205.5 0.543
2022 205.1 0.549
2023 204.8 0.553
2024 204.4 0.558
2025 204.1 0.563
2026 203.8 0.568
2027 203.5 0.572
2028 203.2 0.577
2029 202.9 0.581
2030 202.6 0.585
2031 202.3 0.589
2032 202.0 0.593
2033 201.7 0.597
2034 201.4 0.601
2035 201.1 0.605
2036 200.8 0.608
2037 200.5 0.612
2038 200.3 0.615
2039 200.0 0.619
2040 199.7 0.622
2041 199.5 0.625
2042 199.2 0.628
2043 198.9 0.631
2044 198.7 0.634
2045 198.4 0.637
2046 198.2 0.640
2047 197.9 0.642
2048 197.7 0.645
2049 197.4 0.647
2050 197.2 0.650


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds01477-4358b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic