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Current system
04368-1733
A 2915


Nearby doubles
3' : 04368-1736
ARA 154

24' : 04381-1749
B 1939

38' : 04358-1659
TDS2905

43' : 04398-1734
GWP 603

43' : 04347-1805
ARA 326

47' : 04362-1819
ARA 327

50' : 04367-1822
B 1938

64' : 04405-1807
GWP 606

65' : 04410-1709
KPP2610

83' : 04330-1633
CRI 7AB

89' : 04353-1607
CRC 47

90' : 04429-1758
B 1940

94' : 04402-1853
KPP2060

96' : 04302-1747
B 1937

99' : 04307-1817
GWP 594

103' : 04436-1801
ARA 328

105' : 04363-1917
RST2350

106' : 04320-1852
I 727

110' : 04307-1627
HJ 3653

119' : 04286-1728
ARA 153

119' : 04359-1536
BRT 608

121' : 04331-1922
TOK 86

122' : 04346-1930
UC 1189

122' : 04290-1820
GWP 588

126' : 04421-1914
GWP 609

132' : 04314-1544
GAL 139



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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.

04368-1733 A 2915

 
 
04h 36m 49.17s -17° 33' 00.7" P.A. 329.00 sep 0.2 mag 10.10,10.10 Sp G5 dist. 438.6 pc (1430.71 l.y.)
 
 
Coord 2000 04368-1733 Discov num A  2915 Comp Coord arcsec 2000 04 36 49.17 -17 33 00.7
Date first 1917 Date last 2021 Obs 21
Pa first 342 Pa last 328.7 P.A. Now (θ) 328.7°
Sep first 0.3 Sep last 0.25 Sep. Now (ρ) 0.25"
Mag pri 10.10 Mag sec 10.10 delta mag (ΔM) 0 Spectral class G5 (yellow)
Pri motion ra -040 Sec motion ra
Pri motion dec -038 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Eridanus SAO 149762 HIP 21481 Tycho2 5894-00769-1
Gaia DR2 3171153888567088256 ADS 3341 CD CD-49 1389 CP CP-49 561
Distance 438.6 Distance ly 1430.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)109.99y± 7.99 Periastron (T)2012.35y± 1.14 Semi-major axis (a)0.305a± 0.025
Eccentricity (e)0.47± 0.053 Inclination (i)62°± 5 Longitude of periastron (ω)94.1°± 12.9
Node (Ω)151.8°± 4.1 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 152.2 0.244
2001 154.5 0.234
2002 156.9 0.222
2003 159.6 0.210
2004 162.7 0.195
2005 166.2 0.180
2006 170.5 0.163
2007 175.9 0.145
2008 182.7 0.127
2009 191.9 0.109
2010 204.6 0.092
2011 221.8 0.080
2012 242.9 0.076
2013 263.9 0.081
2014 280.9 0.093
2015 293.5 0.109
2016 302.6 0.127
2017 309.5 0.145
2018 314.8 0.162
2019 319.2 0.178
2020 322.9 0.193
2021 326.0 0.206
2022 328.8 0.218
2023 331.4 0.228
2024 333.7 0.237
2025 335.9 0.245
2026 337.9 0.251
2027 339.9 0.256
2028 341.8 0.261
2029 343.6 0.264
2030 345.4 0.267
2031 347.1 0.268
2032 348.9 0.270
2033 350.6 0.270
2034 352.3 0.270
2035 354.1 0.270
2036 355.8 0.269
2037 357.6 0.268
2038 359.3 0.266
2039 1.1 0.264
2040 3.0 0.262
2041 4.8 0.259
2042 6.7 0.257
2043 8.6 0.254
2044 10.6 0.251
2045 12.6 0.248
2046 14.7 0.245
2047 16.8 0.242
2048 19.0 0.239
2049 21.3 0.236
2050 23.6 0.233


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds04368-1733a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic