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Doubles in session


Current system
11415-7703
TOK 845
HD 101727


Nearby doubles
13' : 11397-7714
RST1604

21' : 11375-7648
BRC 5

24' : 11373-7722
UC 2178

41' : 11416-7744
UC 2192

45' : 11482-7742
RST1612

45' : 11532-7725
HLN 26

49' : 11560-7701
TOK 145AB

56' : 11485-7754
TDS8039

61' : 11315-7614
RST1592

67' : 11254-7627
HEI 765

68' : 11219-7720
RST1585

72' : 11277-7610
HEI 766

73' : 11586-7750
BRC 7

76' : 11585-7754
KOH 91

79' : 11596-7756
KPP3858

88' : 11512-7543
TDS8070AB

89' : 11292-7546
KOH 90

91' : 12001-7812
FGL 2AB

91' : 11290-7544
KPP1739

91' : 11596-7813
HJ 4486AB

92' : 12008-7810
RST1630

93' : 11373-7532
RST1602

97' : 11507-7835
RST1617

98' : 11361-7839
UC 2173

99' : 11273-7831
HJ 4440

127' : 11413-7910
NSN 253



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.

11415-7703 TOK 845 (HD 101727)

 
 
11h 41m 32.57s -77° 03' 16.9" P.A. 250.00 sep 0.1 mag 7.50,7.60 Sp F3V dist. 101.52 pc (331.16 l.y.)
 
 
Coord 2000 11415-7703 Discov num TOK 845 Comp Coord arcsec 2000 11 41 32.57 -77 03 16.9
Date first 2019 Date last 2023 Obs 7
Pa first 27 Pa last 250.2 P.A. Now (θ) 330°
Sep first 0.1 Sep last 0.055 Sep. Now (ρ) 0.033"
Mag pri 7.50 Mag sec 7.60 delta mag (ΔM) 0.1 Spectral class F3V (yellow-white)
Pri motion ra +022 Sec motion ra
Pri motion dec -015 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 101727 Constellation Chamaeleon SAO 256862 HIP 57027
Tycho2 9415-03216-1 HD 101727 GC 16062 CP CP-76 686
Distance 101.52 Distance ly 331.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)30y Periastron (T)2023.344y Semi-major axis (a)0.127a
Eccentricity (e)0.395 Inclination (i)111.7° Longitude of periastron (ω)140.6°
Node (Ω)46.8° Notes ReferenceTok2023a
Equinox2000 Last observation2023 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 151.5 0.052
2001 128.0 0.055
2002 108.7 0.063
2003 95.0 0.076
2004 85.3 0.090
2005 78.2 0.104
2006 72.8 0.117
2007 68.5 0.129
2008 64.8 0.140
2009 61.7 0.149
2010 58.8 0.156
2011 56.2 0.160
2012 53.7 0.162
2013 51.2 0.162
2014 48.6 0.158
2015 45.9 0.152
2016 42.9 0.142
2017 39.2 0.128
2018 34.6 0.110
2019 27.8 0.087
2020 15.7 0.062
2021 347.1 0.038
2022 287.2 0.034
2023 250.4 0.054
2024 234.4 0.074
2025 224.1 0.084
2026 214.8 0.083
2027 204.6 0.076
2028 191.6 0.066
2029 174.0 0.057
2030 151.5 0.052
2031 128.0 0.055
2032 108.7 0.063
2033 95.0 0.076
2034 85.3 0.090
2035 78.2 0.104
2036 72.8 0.117
2037 68.5 0.129
2038 64.8 0.140
2039 61.7 0.149
2040 58.8 0.156
2041 56.2 0.160
2042 53.7 0.162
2043 51.2 0.162
2044 48.6 0.158
2045 45.9 0.152
2046 42.9 0.142
2047 39.2 0.128
2048 34.6 0.110
2049 27.8 0.087
2050 15.7 0.062


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds11415-7703a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic