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Doubles in session


Current system
11162+3136
A 2157
HD 97936


Nearby doubles
26' : 11182+3132
STF1523AB
Alula Australis

27' : 11158+3202
CBL 334

44' : 11129+3130
HEI 12

56' : 11125+3205
COU 963

63' : 11211+3134
MLB 849

71' : 11118+3218
CVR 115

73' : 11133+3238
SLN 67

76' : 11169+3251
RAO 654

76' : 11107+3110
HJ 2562

80' : 11108+3215
FAR 61

81' : 11100+3114
RAO 652

94' : 11185+3306
STF1524AB
Alula Borealis

97' : 11111+3027
STT 231AB

98' : 11087+3124
FAR 60

107' : 11218+3018
KPP3843

109' : 11240+3052
UC 2129

112' : 11230+3027
GRV 834

113' : 11161+3329
GMZ 187

113' : 11225+3256
CVR 608

115' : 11227+3018
NI 25

116' : 11073+3146
CVR 113

117' : 11133+3327
HO 254

118' : 11072+3204
SEI 523

119' : 11139+3331
GMZ 186

121' : 11227+3305
CVR1363

123' : 11185+3335
CVR1358



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.

11162+3136 A 2157 (HD 97936)

 
 
11h 16m 14.98s +31° 36' 18.1" P.A. 3.00 sep 1.4 mag 9.25,12.21 Sp K0 dist. 324.68 pc (1059.11 l.y.)
 
 
Coord 2000 11162+3136 Discov num A  2157 Comp Coord arcsec 2000 11 16 14.98 +31 36 18.1
Date first 1910 Date last 2018 Obs 14
Pa first 0 Pa last 2.9 P.A. Now (θ) 2.9°
Sep first 1.0 Sep last 1.41 Sep. Now (ρ) 1.41"
Mag pri 9.25 Mag sec 12.21 delta mag (ΔM) 2.96 Spectral class K0 (yellow-orange)
Pri motion ra -019 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 97936 Constellation Ursa Major SAO 62471 HIP 55055
Tycho2 2520-00345-1 Gaia DR2 756849176872276352 HD 97936 ADS 8109
BD BD+32 2125 Distance 324.68 Distance ly 1059.11
 
 
ORBITAL ELEMENTS
 
 
Period (P)619.93y Periastron (T)2043.77y Semi-major axis (a)1.3822a
Eccentricity (e)0.2048 Inclination (i)162.85° Longitude of periastron (ω)286.72°
Node (Ω)135.96° Notes ReferencePop1996b
Equinox2000 Last observation1983 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 248.5 1.097
2001 247.6 1.095
2002 246.8 1.093
2003 245.9 1.091
2004 245.0 1.089
2005 244.2 1.087
2006 243.3 1.085
2007 242.4 1.083
2008 241.5 1.081
2009 240.6 1.079
2010 239.7 1.077
2011 238.8 1.075
2012 237.9 1.074
2013 237.0 1.072
2014 236.1 1.071
2015 235.2 1.069
2016 234.3 1.068
2017 233.4 1.066
2018 232.5 1.065
2019 231.6 1.064
2020 230.6 1.063
2021 229.7 1.062
2022 228.8 1.061
2023 227.9 1.060
2024 227.0 1.059
2025 226.0 1.058
2026 225.1 1.057
2027 224.2 1.056
2028 223.2 1.056
2029 222.3 1.055
2030 221.4 1.055
2031 220.4 1.054
2032 219.5 1.054
2033 218.6 1.054
2034 217.6 1.053
2035 216.7 1.053
2036 215.8 1.053
2037 214.8 1.053
2038 213.9 1.053
2039 213.0 1.053
2040 212.0 1.053
2041 211.1 1.053
2042 210.2 1.054
2043 209.2 1.054
2044 208.3 1.054
2045 207.4 1.055
2046 206.4 1.056
2047 205.5 1.056
2048 204.6 1.057
2049 203.6 1.058
2050 202.7 1.058


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds11162%2B3136a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic