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Doubles in session


Current system
11151+3735
CHR 192 Aa,Ab


Nearby doubles
33' : 11135+3707
HDS1601AB

37' : 11122+3749
SLW 577

42' : 11133+3811
KU 36

46' : 11116+3715
SLW 575

51' : 11187+3759
GRV 833

54' : 11122+3654
KZA 11

61' : 11191+3811
CHR 133AB

62' : 11140+3635
UC 2105

67' : 11152+3628
KZA 13

72' : 11095+3805
ES 1642

73' : 11126+3628
CVR1350

81' : 11199+3831
UC 2117

83' : 11171+3854
UC 2112

86' : 11103+3840
HJ 2561

87' : 11181+3617
KZA 16

91' : 11082+3658
KZA 2AB

92' : 11216+3647
HJ 496

94' : 11229+3725
KPP2149

94' : 11186+3858
GIC9015

95' : 11164+3601
SLW 584

96' : 11082+3646
NSN 610

98' : 11230+3757
TDS7834

98' : 11069+3746
COU1572

99' : 11106+3612
KZA 9

102' : 11070+3703
LDS4060

103' : 11143+3553
ES 2165



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.

11151+3735 CHR 192 Aa,Ab

 
 
11h 15m 03.10s +37° 34' 43.2" P.A. 251.00 sep 0.1 mag 7.53, Sp G5 dist. 314.47 pc (1025.8 l.y.)
 
 
Coord 2000 11151+3735 Discov num CHR 192 Comp Aa,Ab Coord arcsec 2000 11 15 03.10 +37 34 43.2
Date first 1987 Date last 2019 Obs 9
Pa first 17 Pa last 251.4 P.A. Now (θ) 251.4°
Sep first 0.1 Sep last 0.109 Sep. Now (ρ) 0.109"
Mag pri 7.53 Mag sec delta mag (ΔM) Spectral class G5 (yellow)
Pri motion ra +007 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
11151+3735 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 62460 11 15 03 +37 34 43 CHR 192 Aa,Ab 2019 9 251 0.1 7.53 Y <===
Show HD 97731 62460 11 15 03 +37 34 43 STT 232 AB 2019 80 250 0.6 8.02 8.90 0.88
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ursa Major SAO 62460 HIP 54941 Tycho2 3010-02370-1
Gaia DR2 763808875022579456 HD 97731 BD BD+38 2219 Distance 314.47
Distance ly 1025.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)200y Periastron (T)2019.3y Semi-major axis (a)0.2224a
Eccentricity (e)0.486 Inclination (i)111.7° Longitude of periastron (ω)11.2°
Node (Ω)254.2° Notesn ReferenceTok2019e
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 310.1 0.072
2001 304.7 0.074
2002 299.7 0.077
2003 295.1 0.080
2004 290.8 0.084
2005 286.8 0.087
2006 283.2 0.091
2007 279.8 0.095
2008 276.7 0.098
2009 273.9 0.102
2010 271.2 0.105
2011 268.6 0.108
2012 266.2 0.110
2013 263.9 0.112
2014 261.6 0.114
2015 259.4 0.115
2016 257.3 0.115
2017 255.1 0.115
2018 252.9 0.114
2019 250.7 0.113
2020 248.4 0.111
2021 246.0 0.108
2022 243.5 0.105
2023 240.8 0.101
2024 237.8 0.097
2025 234.6 0.092
2026 231.0 0.087
2027 227.0 0.082
2028 222.5 0.077
2029 217.4 0.073
2030 211.5 0.068


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds11151%2B3735a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11151+3735 CHR 192 Aa,Ab : NOTES
 
 
discov_num notes refcode
CHR 192 1987.2666: CHR 192Aa,Ab is a new component to the 0".6 pair STT 232,
STT 232 discovered by Otto Struve in 1843. Reprocessing of archival data
(whose 1987 and 1988 measurements for the wide pair were originally
published in McAlister et al. 1989) has allowed us to confirm this McA1989
discovery and also to note that the system appears to be accelerating
toward periastron.
 
 
REFERENCES
 
 
refcode metd author reference
McA1989 Sc j McAlister, H.A., Hartkopf, W.I., Sowell, J.R., Dombrowski, E.G., & Franz, O.G. 1989AJ.....97..510M
McA1989 AJ 97, 510, 1989
Tok2019e St j Tokovinin, A., Everett, M.E., Horch, E.P., Torres, G. & Latham, D.W. 2019AJ....158..167T
Tok2019e +orb AJ 158, 167, 2019
 
 
DISCOVERER
 
 
idgroup discov author
1 CHR Center for High Ang. Res. Astronomy (speckle interferometry systems)
3 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11151+3735 CHR 192 Aa,Ab 1991 3 0 0.1 7.53   G5 N 111503.10+373443.2
11151+3735 CHR 192 Aa,Ab 2019 9 251 0.1 7.53   G5 NO 111503.10+373443.2

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

 
 
WDS 11151+3735 CHR 192 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11151+3735 CHR 192 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 11151+3735 : VIRTUAL EYEPIECE
 
 

11151+3735 STT 232A mag 8.02 Sp G5 11151+3735 CHR 192Ab sep 0.1 P.A. 247.00 11151+3735 STT 232B sep 0.5 P.A. 245.00 mag 8.9 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 11151+3735 : ALADIN DSS IMAGE @ 11h 15m 03.10s +37° 34' 43.2"
 
 
 
 
WDS 11151+3735 CHR 192 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11151+3735 CHR 192Aa,Ab distance=0' 11135+3707 HDS1601AB distance=33' 11122+3749 SLW 577 distance=37' 11133+3811 KU 36 distance=42' 11116+3715 SLW 575 distance=46' 11187+3759 GRV 833 distance=51' 11122+3654 KZA 11 distance=54' 11191+3811 CHR 133AB distance=61' 11191+3811 DRS 47AC distance=61' 11191+3811 DRS 47AD distance=61' 11140+3635 UC 2105 distance=62' 11152+3628 KZA 13 distance=67' 11095+3805 ES 1642 distance=72' 11126+3628 CVR1350 distance=73' 11199+3831 UC 2117 distance=81' 11171+3854 UC 2112 distance=83' 11103+3840 HJ 2561 distance=86' 11181+3617 KZA 16 distance=87' 11221+3705 STF1533A,BC distance=90' 11221+3705 COU1260BC distance=90' 11082+3658 KZA 2AB distance=91' 11082+3658 KZA 2AC distance=91' 11216+3647 HJ 496 distance=92' 11229+3725 KPP2149 distance=94' 11186+3858 GIC9015 distance=94' 11164+3601 SLW 584 distance=95' 11082+3646 NSN 610 distance=96' 11230+3757 TDS7834 distance=98' 11069+3746 COU1572 distance=98' 11106+3612 KZA 9 distance=99' 11070+3703 LDS4060 distance=102' 11143+3553 ES 2165 distance=103' 11233+3701 SLW 593 distance=104' 11089+3617 KZA 4 distance=108' 11125+3549 STTA108BD distance=109' 11125+3549 STTA108AB distance=111' 11125+3549 STTA108AC distance=111' 11125+3549 KIR 3AE distance=111' 11203+3603 COU1259 distance=111' 11125+3549 BOY 5Ea,Eb distance=112' 11141+3926 SLW 580 distance=112' 11241+3808 RED 23 distance=112' 11132+3543 ES 181 distance=114' 11246+3752 UC 163 distance=115' 11116+3924 SLW 576 distance=117' 11247+3758 COU1261 distance=118' 11075+3857 HDS1585 distance=122' 11079+3604 KZA 1 distance=125' 11096+3545 KZA 6 distance=128' 11043+3731 WIS 179 distance=129' 11050+3825 HO 378AB distance=130' 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 11151+3735 CHR 192 Aa,Ab 251 0.1
Show 11151+3735 STT 232 AB 250 0.6
Show 11135+3707 HDS1601 AB 173 0.1 33
Show 11122+3749 SLW 577 113 11.2 37
Show 11133+3811 KU 36 137 8.8 42
Show 11116+3715 SLW 575 228 51.7 46
Show 11187+3759 GRV 833 344 33.5 51
Show 11122+3654 KZA 11 250 42.5 54
Show 11191+3811 CHR 133 AB 127 0.1 61
Show 11191+3811 DRS 47 AC 145 0.9 61
Show 11191+3811 DRS 47 AD 128 500.1 61
Show 11140+3635 UC 2105 61 23.1 62
Show 11152+3628 KZA 13 280 22.1 67
Show 11095+3805 ES 1642 46 1.2 72
Show 11126+3628 CVR1350 121 4.3 73
Show 11199+3831 UC 2117 116 21.3 81
Show 11171+3854 UC 2112 262 79.0 83
Show 11103+3840 HJ 2561 223 14.8 86
Show 11181+3617 KZA 16 330 8.1 87
Show 11221+3705 STF1533 A,BC 173 23.1 90
Show 11221+3705 COU1260 BC 14 0.4 90
Show 11082+3658 KZA 2 AB 334 57.0 91
Show 11082+3658 KZA 2 AC 311 73.0 91
Show 11216+3647 HJ 496 334 34.5 92
Show 11229+3725 KPP2149 71 17.6 94
Show 11186+3858 GIC9015 224 1.8 94
Show 11164+3601 SLW 584 209 8.8 95
Show 11082+3646 NSN 610 141 2.5 96
Show 11230+3757 TDS7834 144 0.5 98
Show 11069+3746 COU1572 184 1.9 98
Show 11106+3612 KZA 9 78 11.8 99
Show 11070+3703 LDS4060 196 76.8 102
Show 11143+3553 ES 2165 98 1.9 103
Show 11233+3701 SLW 593 90 167.0 104
Show 11089+3617 KZA 4 356 11.3 108
Show 11125+3549 STTA108 BD 88 999.9 109
Show 11125+3549 STTA108 AB 68 161.7 111
Show 11125+3549 STTA108 AC 141 87.1 111
Show 11125+3549 KIR 3 AE 245 89.9 111
Show 11203+3603 COU1259 311 0.7 111
Show 11125+3549 BOY 5 Ea,Eb 102 0.1 112
Show 11141+3926 SLW 580 50 32.2 112
Show 11241+3808 RED 23 129 8.0 112
Show 11132+3543 ES 181 145 5.4 114
Show 11246+3752 UC 163 29 16.2 115
Show 11116+3924 SLW 576 101 155.5 117
Show 11247+3758 COU1261 219 0.7 118
Show 11075+3857 HDS1585 201 0.3 122
Show 11079+3604 KZA 1 178 8.0 125
Show 11096+3545 KZA 6 101 26.4 128
Show 11043+3731 WIS 179 13 865.6 129

 
 
WDS 11151+3735 : COMPONENTS
 
 
  A Ab
Ab pa=247.0°
sep=0.09"
 
B pa=245.0°
sep=0.48"
pa=244.5°
sep=0.39"
 
 
11151+3735 A
 
 
Name HD 97731 Coord arcsec 2000 111503.10+373443.2 Mag 8.02 Spectral class G5 (yellow)
PmRA 3.00 PmDE -5.0 SAO 62460 HIP 54941
Tycho2 3010-02370-1 HD 97731 GC 15457 BD BD+38 2219
Tycho2
Tycho2 3010-02370-1 Pflag RAmdeg 168.76287194 DEmdeg 37.57862251
PmRA 2.5 PmDE -4.6 E RAmdeg 5 E DEmdeg 5
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.11 EpDEm 1991.33
Num 15 Q RAmdeg 0.8 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.0 BTmag 8.618 E BTmag 0.017 VTmag 7.725
E VTmag 0.011 Prox 999 TYC T HIP 54941
CCDM AB RAdeg 168.76286500 DEdeg 37.57863306 EpRA 1990 1.57
EpDE 1990 1.74 E RAdeg 5.2 E DEdeg 5.0 Posflg P
Corr 0.2
SAO
SAO 62460 DelFlag RA1950 PmRA1950 -0.0009
DE1950 PmDE1950 -0.016 Vmag 8.1 SpType G5
Double code Source 70 CatNum 15457 DM BD+38 2219
DMcomp BDsup HD 97731 M HD 0
GC 15457 RA1950rad 2.93352757 DE1950rad 0.66062893 PmRA2000 -0.0008
PmDE2000 -0.011
Hipparcos
Catalog H HIP 54941 Proxy H RAhms 11 15 03.10
DEdms +37 34 43.2 Vmag 7.53 VarFlag R Vmag H
RAdeg 168.763 DEdeg 37.5787 AstroRef A Plx 2.11
CCDM 11151+3735 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 240 Rho 0.597 HD 97731 BD BD+38 2219
CD CP Dm number +38 2219 VIred 0.83
SpType G5 R SpType Coord arcsec 2000 111503.10+373443.2
Hipparcos 2
HIP 54941 Sn 15 So 3 Nc 2
RArad 2.945468555 DErad 0.6558713441 Plx 3.18 PmRA 5.27
PmDE -5.3 E RArad 1.31 E DErad 0.72 E Plx 1.17
E pmRA 1.55 E pmDE 0.86 Hpmag 7.6832 E Hpmag 0.0017
SHp 0.018 VA 0 BV 0.812 E BV 0.008
VI 0.84
CCDM
Ccdm 11151+3735 RComp Comp A Note1
Note2 Discov num DRAs -2.94 DDEs -17.0
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.6 Sp G5 PmNote *
PmRA 0 PmDE -8 Dm number +38 2219 Cat1 BD
Name2 +37 1110 Cat2 AGK2/3 HD 97731 M HD
ADS BDS A 8102 M ADS BDS N IDS IDS 11096N3807A
HIC 54941
 
 
11151+3735 Ab
 
 
Coord arcsec 2000 111503.09+373443.2 Calc delta mag 7.53 Calc coord yes
 
 
11151+3735 B
 
 
Coord arcsec 2000 111503.06+373443.0 Mag 8.9 PmRA 3.00 PmDE -5.0
Calc delta mag 1.37 Calc coord yes
CCDM
Ccdm 11151+3735 RComp Comp B Note1
Note2 Discov num STT 232 DRAs DDEs
R dRAs Year 1844 Theta 240 Rho 0.5
Obs 24 Vmag 9.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8102 M ADS BDS N IDS IDS 11096N3807B
HIC 54941