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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


 
 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		  
 
 
WDS 11162+3136 A 2157 (HD 97936) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Pop1996b orb - Popovic, G.M. & Pavlovic, R. 1996BOBeo.153...57P
Pop1996b Bull. Obs. Astron. Belgrade #153, 57, 1996
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11162+3136 A 2157 1991 5 23 0.7 9.25 12.21 K0 O 111614.98+313618.1
11162+3136 A 2157 2008 6 1 1.4 9.25 12.21 K0 O 111614.98+313618.1
11162+3136 A 2157 2018 7 3 1.4 9.25 12.21 K0 O 111614.98+313618.1

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

 
 
WDS 11162+3136 A 2157 (HD 97936) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11162+3136 A 2157 (HD 97936) : MEASURES
 
 
No records found.

 
 
WDS 11162+3136 (HD 97936) : VIRTUAL EYEPIECE
 
 

11162+3136 A 2157A mag 9.25 Sp K0 11162+3136 A 2157B sep 1.4 P.A. 2.50 mag 12.21 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 11162+3136 (HD 97936) : ALADIN DSS IMAGE @ 11h 16m 14.98s +31° 36' 18.1"
 
 
 
 
WDS 11162+3136 A 2157 (HD 97936) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11162+3136 A 2157 distance=0' 11182+3132 STF1523AB (Alula Australis) distance=26' 11182+3132 POP1219AC (Alula Australis) distance=26' 11182+3132 WTE 1AD (Alula Australis) distance=26' 11182+3132 CHR 178Ba,Bb distance=26' 11158+3202 CBL 334 distance=27' 11129+3130 HEI 12 distance=44' 11125+3205 COU 963 distance=56' 11211+3134 MLB 849 distance=63' 11118+3218 CVR 115 distance=71' 11133+3238 SLN 67 distance=73' 11169+3251 RAO 654 distance=76' 11107+3110 HJ 2562 distance=76' 11108+3215 FAR 61 distance=80' 11100+3114 RAO 652 distance=81' 11185+3306 STF1524AB (Alula Borealis) distance=94' 11185+3306 BUP9001AC (Alula Borealis) distance=94' 11185+3306 DAM 652AD (Alula Borealis) distance=94' 11111+3027 STT 231CE distance=96' 11111+3027 STT 231AB distance=97' 11111+3027 STT 231AD distance=97' 11111+3027 STT 231AC distance=97' 11111+3027 STT 231BC distance=97' 11087+3124 FAR 60 distance=98' 11218+3018 KPP3843 distance=107' 11240+3052 UC 2129 distance=109' 11230+3027 GRV 834 distance=112' 11161+3329 GMZ 187 distance=113' 11225+3256 CVR 608 distance=113' 11227+3018 NI 25 distance=115' 11073+3146 CVR 113 distance=116' 11133+3327 HO 254 distance=117' 11072+3204 SEI 523 distance=118' 11139+3331 GMZ 186 distance=119' 11227+3305 CVR1363 distance=121' 11185+3335 CVR1358 distance=123' 11171+3340 GMZ 188 distance=125' 11099+3001 CVR1346 distance=127' 11227+3313 CVR1364 distance=127' 11257+3056 UC 2136 distance=128' 11063+3113 TDS7665AB distance=129' 11063+3113 OSO 36AC distance=129' 11124+3336 GMZ 185 distance=130' 11177+3351 GMZ 189AB distance=136' 11243+3306 HDS1621 distance=136' 11171+2919 HDS1608 distance=138' 11054+3157 DAM 70AB distance=140' 11054+3157 DAM 70AC distance=140' 11195+3350 GMZ 192 distance=140' 11182+3354 GMZ 191 distance=141' 11184+2913 CBL 336 distance=146' 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 11162+3136 A 2157 3 1.4
Show Alula Australis 11182+3132 STF1523 AB 152 2.3 26
Show Alula Australis 11182+3132 POP1219 AC 331 59.7 26
Show Alula Australis 11182+3132 WTE 1 AD 136 511.4 26
Show 11182+3132 CHR 178 Ba,Bb 75 0.0 26
Show 11158+3202 CBL 334 157 38.8 27
Show 11129+3130 HEI 12 120 2.4 44
Show 11125+3205 COU 963 187 1.1 56
Show 11211+3134 MLB 849 174 5.1 63
Show 11118+3218 CVR 115 139 93.9 71
Show 11133+3238 SLN 67 44 56.7 73
Show 11169+3251 RAO 654 270 0.8 76
Show 11107+3110 HJ 2562 221 1.0 76
Show 11108+3215 FAR 61 298 0.2 80
Show 11100+3114 RAO 652 229 0.9 81
Show Alula Borealis 11185+3306 STF1524 AB 147 7.0 94
Show Alula Borealis 11185+3306 BUP9001 AC 147 156.8 94
Show Alula Borealis 11185+3306 DAM 652 AD 269 281.1 94
Show 11111+3027 STT 231 CE 36 139.4 96
Show 11111+3027 STT 231 AB 262 34.1 97
Show 11111+3027 STT 231 AD 30 233.9 97
Show 11111+3027 STT 231 AC 321 216.2 97
Show 11111+3027 STT 231 BC 330 200.9 97
Show 11087+3124 FAR 60 105 0.5 98
Show 11218+3018 KPP3843 292 5.2 107
Show 11240+3052 UC 2129 81 22.9 109
Show 11230+3027 GRV 834 121 82.8 112
Show 11161+3329 GMZ 187 116 4.5 113
Show 11225+3256 CVR 608 305 8.0 113
Show 11227+3018 NI 25 86 4.5 115
Show 11073+3146 CVR 113 161 15.0 116
Show 11133+3327 HO 254 163 2.7 117
Show 11072+3204 SEI 523 78 23.3 118
Show 11139+3331 GMZ 186 195 14.6 119
Show 11227+3305 CVR1363 73 3.1 121
Show 11185+3335 CVR1358 337 3.5 123
Show 11171+3340 GMZ 188 75 9.0 125
Show 11099+3001 CVR1346 229 3.1 127
Show 11227+3313 CVR1364 180 3.8 127
Show 11257+3056 UC 2136 71 73.8 128
Show 11063+3113 TDS7665 AB 71 7.6 129
Show 11063+3113 OSO 36 AC 186 21.7 129
Show 11124+3336 GMZ 185 200 3.7 130
Show 11177+3351 GMZ 189 AB 102 7.3 136
Show 11243+3306 HDS1621 81 0.2 136
Show 11171+2919 HDS1608 324 3.3 138
Show 11054+3157 DAM 70 AB 185 7.1 140
Show 11054+3157 DAM 70 AC 147 18.8 140
Show 11195+3350 GMZ 192 190 12.2 140
Show 11182+3354 GMZ 191 194 8.8 141
Show 11184+2913 CBL 336 238 16.5 146

 
 
WDS 11162+3136 : COMPONENTS
 
 
  A
B pa=2.5°
sep=1.41"
 
 
11162+3136 A
 
 
Componente originario normalizzato AB Name HD 97936 Coord arcsec 2000 111614.98+313618.1 Mag 9.25
Spectral class K0 (yellow-orange) PmRA -19.00 PmDE -1.0 SAO 62471
HIP 55055 Tycho2 2520-00345-1 HD 97936 ADS 8109
BD BD+32 2125
Tycho2
Tycho2 2520-00345-1 Pflag RAmdeg 169.06235602 DEmdeg 31.60501305
PmRA -19.9 PmDE -2.6 E RAmdeg 12 E DEmdeg 13
E pmRA 1.0 E pmDE 1.0 EpRAm 1988.36 EpDEm 1988.27
Num 15 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.2 BTmag 10.296 E BTmag 0.032 VTmag 9.187
E VTmag 0.019 Prox 999 TYC T HIP 55055
CCDM AB RAdeg 169.06240806 DEdeg 31.60501639 EpRA 1990 1.75
EpDE 1990 1.58 E RAdeg 13.2 E DEdeg 14.3 Posflg P
Corr 0.1
SAO
SAO 62471 DelFlag RA1950 PmRA1950 -0.0021
DE1950 PmDE1950 -0.015 Vmag 8.7 SpType K0
Double code Source 6 CatNum 1074 DM BD+32 2125
DMcomp BDsup HD 97936 M HD 0
GC RA1950rad 2.93892936 DE1950rad 0.55637626 PmRA2000 -0.002
PmDE2000 -0.01
Hipparcos
Catalog H HIP 55055 Proxy H RAhms 11 16 14.98
DEdms +31 36 18.1 Vmag 9.02 VarFlag R Vmag H
RAdeg 169.062 DEdeg 31.605 AstroRef A Plx 3.56
CCDM 11162+3136 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual D M HIP AB
Theta 23 Rho 0.731 HD 97936 BD BD+32 2125
CD CP Dm number +32 2125 VIred 1.02
SpType K0 R SpType Coord arcsec 2000 111614.98+313618.1
Hipparcos 2
HIP 55055 Sn 15 So 3 Nc 2
RArad 2.9506957233 DErad 0.5516115887 Plx 3.08 PmRA -23.42
PmDE -1.74 E RArad 1.42 E DErad 1.19 E Plx 1.49
E pmRA 1.48 E pmDE 1.43 Hpmag 9.1835 E Hpmag 0.0023
SHp 0.017 VA 0 BV 0.915 E BV 0.032
VI 0.91
CCDM
Ccdm 11162+3136 RComp Comp A Note1
Note2 Discov num DRAs 2.97 DDEs 18.2
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.1 Sp K0 PmNote *
PmRA -20 PmDE 1 Dm number +32 2125 Cat1 BD
Name2 +31 1074 Cat2 AGK2/3 HD 97936 M HD
ADS BDS A 8109 M ADS BDS N IDS IDS 11108N3209A
HIC 55055
 
 
11162+3136 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 111614.98+313619.5 Mag 12.21 Calc delta mag 2.96
Calc coord yes
CCDM
Ccdm 11162+3136 RComp Comp B Note1
Note2 Discov num A 2157 DRAs DDEs
R dRAs Year 1910 Theta 001 Rho 1.0
Obs 3 Vmag 12.3 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8109 M ADS BDS N IDS IDS 11108N3209B
HIC 55055