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Doubles in session


Current system
11301+2958
STTA 111
AW UMa


Nearby doubles
19' : 11313+3008
KPP2065

30' : 11293+3025
L 11

53' : 11338+2938
HDS1640

69' : 11293+2850
UC 2151AB

71' : 11329+3058
CVR1370

78' : 11285+3113
SEI 525

81' : 11257+3056
UC 2136

84' : 11241+2929
TDS7840

85' : 11324+3117
COU 783

94' : 11368+2923
HJ 2579AB

96' : 11240+3052
UC 2129

96' : 11230+3027
GRV 834

98' : 11227+3018
NI 25

98' : 11352+3109
CLZ 50

101' : 11283+3136
JNN 76

102' : 11343+2832
SLE 607

109' : 11283+3144
CRB 89

109' : 11218+3018
KPP3843

110' : 11297+3147
SLW 609

111' : 11373+3056
CVR 619

113' : 11388+2948
HJ 505

116' : 11374+2853
GRV 840

116' : 11242+2832
KPP 245

121' : 11358+3134
ES 2411

124' : 11266+2803
RAO 263

130' : 11289+3206
CVR 614



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.

11301+2958 STTA 111 (AW UMa)

 
 
11h 30m 04.32s +29° 57' 52.7" P.A. 34.00 sep 66.8 mag 6.95,9.49 Sp A9n dist. 68.92 pc (224.82 l.y.)
 
 
Coord 2000 11301+2958 Discov num STTA111 Comp Coord arcsec 2000 11 30 04.32 +29 57 52.7
Date first 1875 Date last 2018 Obs 31
Pa first 33 Pa last 33.8 P.A. Now (θ) 33.8°
Sep first 66.4 Sep last 66.84 Sep. Now (ρ) 66.84"
Mag pri 6.95 Mag sec 9.49 delta mag (ΔM) 2.54 Spectral class A9n (white)
Pri motion ra -084 Sec motion ra -084
Pri motion dec -199 Sec motion dec -198
Notes N T (See Notes, Parallax indicates physical)
rPM=0.005 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name AW UMa Constellation Ursa Major SAO 62579 HIP 56109
Tycho2 1984-00113-1 Gaia DR2 4022614181286374272 HD 99946 GC 15772
BD BD+30 2163 Distance 68.92 Distance ly 224.82
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier11301+2958
coord_arcsec_2000113004.31+295752.5
Period (P)16.8y± 5 Periastron (T) Semi-major axis (a)120m
Eccentricity (e)0.46± 0.22 Inclination (i)78.3° Longitude of periastron (ω)°
Node (Ω)° Notesn ReferencePbl2006
Equinox Last observation Grade7(1=Definitive, 9=Indet.)
Not enought orbital data to create a graph.
 
 
WDS 11301+2958 STTA 111 (AW UMa) : NOTES
 
 
discov_num notes refcode
STTA111 LDS 5730. B is BD+30@2164. The primary is the eclipsing pair AW UMa,
P = 0.44d.
NLTT 27565/27566 Chm2004
Pribulla & Rucinski (2006) estimate the mass of the contact pair at Pbl2006
1.933 Msun and the minimum mass of the wider component at 0.11 Msun.
HJL 147. HJL1986
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Pbl2006 A j Pribulla, T. & Rucinski, S.M. 2006AJ....131.2986P
Pbl2006 AJ 131, 2986, 2006
 
 
DISCOVERER
 
 
idgroup discov author
1 STT Struve, O.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11301+2958 STTA111 2006 21 33 67.2 6.95 9.49 A9n N DV 113004.32+295752.7
11301+2958 STTA111 2010 23 33 67.1 6.95 9.49 A9n NV 113004.32+295752.7
11301+2958 STTA111 2015 24 33 67.2 6.95 9.49 A9n NVW 113004.32+295752.7
11301+2958 STTA111 2018 30 34 66.8 6.95 9.49 A9n NT 113004.32+295752.7

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

 
 
WDS 11301+2958 STTA 111 (AW UMa) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11301+2958 STTA 111 (AW UMa) : MEASURES
 
 
No records found.

 
 
WDS 11301+2958 (AW UMa) : VIRTUAL EYEPIECE
 
 

11301+2958 STTA111A mag 6.95 Sp A9n 11301+2958 STTA111B sep 64.2 P.A. 30.10 mag 9.49 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 11301+2958 (AW UMa) : ALADIN DSS IMAGE @ 11h 30m 04.32s +29° 57' 52.7"
 
 
 
 
WDS 11301+2958 STTA 111 (AW UMa) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11301+2958 STTA111 distance=0' 11313+3008 KPP2065 distance=19' 11293+3025 L 11 distance=30' 11338+2938 HDS1640 distance=53' 11334+2912 HJ 2575AC distance=63' 11293+2850 UC 2151AB distance=69' 11293+2850 LSC 48Aa,Ab distance=69' 11329+3058 CVR1370 distance=71' 11285+3113 SEI 525 distance=78' 11257+3056 UC 2136 distance=81' 11241+2929 TDS7840 distance=84' 11324+3117 COU 783 distance=85' 11368+2923 HJ 2579AB distance=94' 11368+2923 FMR 15AC distance=94' 11240+3052 UC 2129 distance=96' 11230+3027 GRV 834 distance=96' 11227+3018 NI 25 distance=98' 11352+3109 CLZ 50 distance=98' 11283+3136 JNN 76 distance=101' 11343+2832 SLE 607 distance=102' 11283+3144 CRB 89 distance=109' 11218+3018 KPP3843 distance=109' 11297+3147 SLW 609 distance=110' 11373+3056 CVR 619 distance=111' 11388+2948 HJ 505 distance=113' 11374+2853 GRV 840 distance=116' 11242+2832 KPP 245 distance=116' 11358+3134 ES 2411 distance=121' 11266+2803 RAO 263 distance=124' 11289+3206 CVR 614 distance=130' 11404+3003 HJ 507 distance=135' 11345+2754 SLE 608 distance=137' 11401+2906 TDS7979 distance=141' 11280+3216 SLW 602 distance=141' 11386+2829 SLE 609 distance=142' 11347+2745 HJ 2578 distance=145' 11345+2746 HJ 2577 distance=145' 11312+2732 A 559AB distance=147' 11312+2732 GII 175Aa,Ab distance=147' 11287+3224 COU 781 distance=147' 11211+3134 MLB 849 distance=150' 11416+3012 SLW 631 distance=151' 11373+3157 CBL 347 distance=151' 11396+3125 SEI 526 distance=153' 11286+2726 KPP3240 distance=154' 11363+2747 STF1555AB distance=155' 11363+2747 HJ 503AB,C distance=155' 11402+3122 CTT 25 distance=156' 11275+2726 SLN 68 distance=156' 11402+2832 SLE 612 distance=158' 11184+2913 CBL 336 distance=160' 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 11301+2958 STTA111 34 66.8
Show 11313+3008 KPP2065 9 16.6 19
Show 11293+3025 L 11 277 1.1 30
Show 11338+2938 HDS1640 129 2.1 53
Show 11334+2912 HJ 2575 AC 314 13.7 63
Show 11293+2850 UC 2151 AB 138 34.5 69
Show 11293+2850 LSC 48 Aa,Ab 124 0.2 69
Show 11329+3058 CVR1370 253 3.4 71
Show 11285+3113 SEI 525 145 15.0 78
Show 11257+3056 UC 2136 71 73.8 81
Show 11241+2929 TDS7840 202 1.3 84
Show 11324+3117 COU 783 39 1.8 85
Show 11368+2923 HJ 2579 AB 352 13.9 94
Show 11368+2923 FMR 15 AC 209 194.6 94
Show 11240+3052 UC 2129 81 22.9 96
Show 11230+3027 GRV 834 121 82.8 96
Show 11227+3018 NI 25 86 4.5 98
Show 11352+3109 CLZ 50 351 131.4 98
Show 11283+3136 JNN 76 146 1.1 101
Show 11343+2832 SLE 607 348 35.4 102
Show 11283+3144 CRB 89 12 25.3 109
Show 11218+3018 KPP3843 292 5.2 109
Show 11297+3147 SLW 609 298 28.9 110
Show 11373+3056 CVR 619 128 9.5 111
Show 11388+2948 HJ 505 319 7.2 113
Show 11374+2853 GRV 840 296 27.0 116
Show 11242+2832 KPP 245 206 4.6 116
Show 11358+3134 ES 2411 326 6.7 121
Show 11266+2803 RAO 263 43 1.8 124
Show 11289+3206 CVR 614 131 28.1 130
Show 11404+3003 HJ 507 29 34.2 135
Show 11345+2754 SLE 608 227 10.2 137
Show 11401+2906 TDS7979 316 0.6 141
Show 11280+3216 SLW 602 314 19.7 141
Show 11386+2829 SLE 609 119 10.2 142
Show 11347+2745 HJ 2578 162 21.3 145
Show 11345+2746 HJ 2577 184 4.5 145
Show 11312+2732 A 559 AB 153 2.4 147
Show 11312+2732 GII 175 Aa,Ab 111 0.1 147
Show 11287+3224 COU 781 288 0.6 147
Show 11211+3134 MLB 849 174 5.1 150
Show 11416+3012 SLW 631 143 21.1 151
Show 11373+3157 CBL 347 261 26.3 151
Show 11396+3125 SEI 526 236 412.0 153
Show 11286+2726 KPP3240 219 1.7 154
Show 11363+2747 STF1555 AB 151 0.7 155
Show 11363+2747 HJ 503 AB,C 156 22.5 155
Show 11402+3122 CTT 25 275 117.7 156
Show 11275+2726 SLN 68 104 8.6 156
Show 11402+2832 SLE 612 329 24.6 158
Show 11184+2913 CBL 336 238 16.5 160

 
 
WDS 11301+2958 : COMPONENTS
 
 
  A
B pa=30.1°
sep=64.21"
 
 
11301+2958 A
 
 
Componente originario normalizzato AB Var name AW UMa Coord arcsec 2000 113004.32+295752.7 Mag 6.95
Spectral class A9n (white) PmRA -84.00 PmDE -199.0 SAO 62579
HIP 56109 Tycho2 1984-00113-1 HD 99946 GC 15772
BD BD+30 2163
Tycho2
Tycho2 1984-00113-1 Pflag RAmdeg 172.51798847 DEmdeg 29.96462761
PmRA -82.8 PmDE -199.3 E RAmdeg 4 E DEmdeg 5
E pmRA 0.9 E pmDE 0.9 EpRAm 1991.42 EpDEm 1991.18
Num 17 Q RAmdeg 0.5 Q DEmdeg 1.0 Q pmRA 0.6
Q pmDE 1.0 BTmag 7.344 E BTmag 0.015 VTmag 6.953
E VTmag 0.010 Prox 672 TYC T HIP 56109
CCDM RAdeg 172.51820444 DEdeg 29.96508528 EpRA 1990 1.85
EpDE 1990 1.73 E RAdeg 4.1 E DEdeg 4.6 Posflg
Corr 0.2
SAO
SAO 62579 DelFlag RA1950 PmRA1950 -0.0077
DE1950 PmDE1950 -0.203 Vmag 6.8 SpType F0
Double code Source 70 CatNum 15772 DM BD+30 2163
DMcomp BDsup HD 99946 M HD 0
GC 15772 RA1950rad 2.99946241 DE1950rad 0.52784184 PmRA2000 -0.0076
PmDE2000 -0.198
Hipparcos
Catalog H HIP 56109 Proxy RAhms 11 30 04.37
DEdms +29 57 54.4 Vmag 6.9 VarFlag 2 R Vmag T
RAdeg 172.518 DEdeg 29.9651 AstroRef Plx 15.13
CCDM 11301+2958 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 99946 BD BD+30 2163
CD CP Dm number +30 2163 VIred 0.42
SpType F1 R SpType Coord arcsec 2000 113004.37+295754.4
Hipparcos 2
HIP 56109 Sn 5 So 0 Nc 1
RArad 3.0110109472 DErad 0.5229899262 Plx 14.51 PmRA -83.85
PmDE -197.66 E RArad 0.7 E DErad 0.48 E Plx 0.86
E pmRA 0.76 E pmDE 0.63 Hpmag 6.9875 E Hpmag 0.0207
SHp 0.108 VA 1 BV 0.371 E BV 0.017
VI 0.43
CCDM
Ccdm 11301+2958 RComp Comp A Note1
Note2 Discov num DRAs -1.70 DDEs -7.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.0 Sp F0 PmNote *
PmRA -85 PmDE -202 Dm number +30 2163 Cat1 BD
Name2 +30 1141 Cat2 AGK2/3 HD 99946 M HD
ADS BDS B 5801 M ADS BDS N IDS IDS 11248N3031A
HIC 56109
 
 
11301+2958 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 113006.80+295848.2 Mag 9.49 PmRA -84.00
PmDE -198.0 Tycho2 1984-00145-1 Calc delta mag 2.54 Calc coord yes
Tycho2
Tycho2 1984-00145-1 Pflag RAmdeg 172.52981644 DEmdeg 29.98023084
PmRA -82.0 PmDE -198.6 E RAmdeg 15 E DEmdeg 17
E pmRA 1.6 E pmDE 1.5 EpRAm 1989.61 EpDEm 1988.90
Num 7 Q RAmdeg 1.3 Q DEmdeg 0.7 Q pmRA 1.3
Q pmDE 0.8 BTmag 10.278 E BTmag 0.033 VTmag 9.485
E VTmag 0.024 Prox 672 TYC T HIP
CCDM RAdeg 172.53002917 DEdeg 29.98068278 EpRA 1990 1.86
EpDE 1990 1.81 E RAdeg 15.6 E DEdeg 17.9 Posflg
Corr 0.4
CCDM
Ccdm 11301+2958 RComp Comp B Note1
Note2 Discov num STT4111 DRAs 1.09 DDEs 48.3
R dRAs 10 Year 1875 Theta 033 Rho 67.0
Obs 5 Vmag 9.0 Sp PmNote *
PmRA -99 PmDE -215 Dm number +30 2164 Cat1 BD
Name2 +30 1142 Cat2 AGK2/3 HD M HD
ADS BDS B 5801 M ADS BDS N IDS IDS 11248N3031B
HIC