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Doubles in session


Current system
11541+7155
A 75
HD 103321


Nearby doubles
11' : 11519+7158
HJ 2588

23' : 11577+7213
LDS1744

34' : 11555+7229
MLR 426

46' : 12023+7222
STF1588

50' : 11484+7114
HJ 2586

67' : 11502+7051
HJ 2587

72' : 11406+7232
CVR1375

73' : 11431+7106
CVR1378

74' : 12016+7051
STF1590

75' : 11552+7311
HJ 2590

77' : 11510+7311
LDS1742

81' : 12074+7248
TDS8230

82' : 12001+7039
BU 795AB

83' : 11415+7255
CVR1377

84' : 11416+7056
A 74

88' : 11361+7133
NSN 617

88' : 11442+7311
HJ 2582

88' : 11397+7100
GIC9017

88' : 11505+7029
CRB 190

89' : 12096+7250
HJ 2599

96' : 11556+7330
NI 28

97' : 11390+7051
FYM 655AB

110' : 12061+7022
A 76AB

110' : 11537+7345
BU 794AB

111' : 12118+7312
LDS1749

113' : 11353+7048
STF1551



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.

11541+7155 A 75 (HD 103321)

 
 
11h 54m 04.36s +71° 55' 27.1" P.A. 26.00 sep 0.3 mag 7.99,9.10 Sp F4V dist. 88.97 pc (290.22 l.y.)
 
 
Coord 2000 11541+7155 Discov num A    75 Comp Coord arcsec 2000 11 54 04.36 +71 55 27.1
Date first 1900 Date last 2014 Obs 41
Pa first 209 Pa last 25.8 P.A. Now (θ) 25.8°
Sep first 0.3 Sep last 0.338 Sep. Now (ρ) 0.338"
Mag pri 7.99 Mag sec 9.10 delta mag (ΔM) 1.11 Spectral class F4V (yellow-white)
Pri motion ra -085 Sec motion ra
Pri motion dec -019 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 103321 Constellation Draco SAO 7446 HIP 58026
Tycho2 4396-00328-1 Gaia DR2 1062832680083647616 HD 103321 ADS 8344
BD BD+72 550 Distance 88.97 Distance ly 290.22
 
 
ORBITAL ELEMENTS
 
 
Period (P)82.3y Periastron (T)1921.8y Semi-major axis (a)0.267a
Eccentricity (e)0.08 Inclination (i)104.5° Longitude of periastron (ω)277.5°
Node (Ω)23° Notesn ReferenceHei1996a
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 156.9 0.083
2001 143.6 0.071
2002 126.0 0.063
2003 105.7 0.062
2004 86.9 0.068
2005 72.3 0.079
2006 61.8 0.094
2007 54.3 0.110
2008 48.7 0.127
2009 44.4 0.143
2010 41.0 0.159
2011 38.2 0.175
2012 35.8 0.190
2013 33.8 0.203
2014 32.0 0.216
2015 30.4 0.227
2016 29.0 0.236
2017 27.7 0.245
2018 26.4 0.251
2019 25.2 0.257
2020 24.0 0.260
2021 22.9 0.263
2022 21.8 0.263
2023 20.6 0.263
2024 19.5 0.260
2025 18.3 0.257
2026 17.1 0.252
2027 15.9 0.246
2028 14.6 0.238
2029 13.1 0.230
2030 11.6 0.220


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


 
  


wds11541%2B7155a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11541+7155 A 75 (HD 103321) : NOTES
 
 
discov_num notes refcode
A 75 Malkov et al. (2012) derive dynamical, photometric, and spectroscopic
masses of 1.98 +/- 0.64, 2.60, and 1.25 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Hei1996a Ma j Heintz, W.D. 1996ApJS..105..475H
Hei1996a +orb ApJS 105, 475, 1996
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
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
11541+7155 A 75 1995 39 193 0.2 7.99 9.10 F4V NO 115404.36+715527.1
11541+7155 A 75 2014 41 26 0.3 7.99 9.10 F4V NO 115404.36+715527.1

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

 
 
WDS 11541+7155 A 75 (HD 103321) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11541+7155 A 75 (HD 103321) : MEASURES
 
 
No records found.

 
 
WDS 11541+7155 (HD 103321) : VIRTUAL EYEPIECE
 
 

11541+7155 A 75A mag 7.99 Sp F4V 11541+7155 A 75B sep 0.3 P.A. 8.50 mag 9.1 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 11541+7155 (HD 103321) : ALADIN DSS IMAGE @ 11h 54m 04.36s +71° 55' 27.1"
 
 
 
 
WDS 11541+7155 A 75 (HD 103321) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11541+7155 A 75 distance=0' 11519+7158 HJ 2588 distance=11' 11577+7213 LDS1744 distance=23' 11555+7229 MLR 426 distance=34' 12023+7222 STF1588 distance=46' 11484+7114 HJ 2586 distance=50' 11502+7051 HJ 2587 distance=67' 11406+7232 CVR1375 distance=72' 11431+7106 CVR1378 distance=73' 12016+7051 STF1590 distance=74' 11552+7311 HJ 2590 distance=75' 11510+7311 LDS1742 distance=77' 12074+7248 TDS8230 distance=81' 12001+7039 BU 795AB distance=82' 12001+7039 STT 242AC distance=82' 12001+7039 STH 2AE distance=82' 12001+7039 BU 795CD distance=82' 11415+7255 CVR1377 distance=83' 11416+7056 A 74 distance=84' 11361+7133 NSN 617 distance=88' 11442+7311 HJ 2582 distance=88' 11397+7100 GIC9017 distance=88' 11505+7029 CRB 190 distance=88' 12096+7250 HJ 2599 distance=89' 12024+7034 KPP3860FH distance=91' 11556+7330 NI 28 distance=96' 11390+7051 FYM 655AB distance=97' 11390+7051 FYM 655AC distance=97' 12061+7022 A 76BC distance=110' 12061+7022 A 76AB distance=110' 11537+7345 BU 794AB distance=110' 11537+7345 BU 794AB,C distance=110' 11537+7345 BU 794AB,D distance=110' 12118+7312 LDS1749 distance=111' 11353+7048 STF1551 distance=113' 11371+7319 TDS7960 distance=114' 11471+7002 NSN 621 distance=119' 12069+7008 SKF 237 distance=125' 11580+7359 CRB 191 distance=126' 12029+7404 TOI1262 distance=134' 12047+7425 LDS1747 distance=156' 12025+6925 CVR1401 distance=156' 12006+6911 A 1088 distance=168' 12107+7440 KPP3250 distance=180' 12139+6926 LDS1750 distance=180' 12071+6905 STF1602AB distance=183' 12071+6905 STF1602AC distance=183' 11405+6901 TOK 550AB distance=188' 11512+6846 UC 2220AB distance=191' 12056+6848 STF1599AB distance=197' 12056+6848 STF1599AC distance=197' 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 11541+7155 A 75 26 0.3
Show 11519+7158 HJ 2588 21 35.3 11
Show 11577+7213 LDS1744 252 62.7 23
Show 11555+7229 MLR 426 312 0.1 34
Show 12023+7222 STF1588 34 11.7 46
Show 11484+7114 HJ 2586 260 26.6 50
Show 11502+7051 HJ 2587 302 19.8 67
Show 11406+7232 CVR1375 247 3.8 72
Show 11431+7106 CVR1378 298 4.7 73
Show 12016+7051 STF1590 232 5.3 74
Show 11552+7311 HJ 2590 325 10.6 75
Show 11510+7311 LDS1742 206 4.9 77
Show 12074+7248 TDS8230 74 0.5 81
Show 12001+7039 BU 795 AB 329 14.4 82
Show 12001+7039 STT 242 AC 159 30.6 82
Show 12001+7039 STH 2 AE 317 25.2 82
Show 12001+7039 BU 795 CD 113 6.0 82
Show 11415+7255 CVR1377 50 3.2 83
Show 11416+7056 A 74 302 1.3 84
Show 11361+7133 NSN 617 217 2.3 88
Show 11442+7311 HJ 2582 154 4.6 88
Show 11397+7100 GIC9017 239 1.6 88
Show 11505+7029 CRB 190 138 23.1 88
Show 12096+7250 HJ 2599 109 12.2 89
Show 12024+7034 KPP3860 FH 110 52.4 91
Show 11556+7330 NI 28 332 3.6 96
Show 11390+7051 FYM 655 AB 77 5.4 97
Show 11390+7051 FYM 655 AC 210 11.4 97
Show 12061+7022 A 76 BC 291 1.1 110
Show 12061+7022 A 76 AB 43 22.5 110
Show 11537+7345 BU 794 AB 63 0.5 110
Show 11537+7345 BU 794 AB,C 81 5.7 110
Show 11537+7345 BU 794 AB,D 59 37.0 110
Show 12118+7312 LDS1749 148 8.9 111
Show 11353+7048 STF1551 111 6.8 113
Show 11371+7319 TDS7960 124 0.5 114
Show 11471+7002 NSN 621 319 0.9 119
Show 12069+7008 SKF 237 58 5.7 125
Show 11580+7359 CRB 191 345 21.6 126
Show 12029+7404 TOI1262 267 1.5 134
Show 12047+7425 LDS1747 195 3.0 156
Show 12025+6925 CVR1401 315 4.4 156
Show 12006+6911 A 1088 2 0.2 168
Show 12107+7440 KPP3250 179 1.1 180
Show 12139+6926 LDS1750 188 13.8 180
Show 12071+6905 STF1602 AB 180 21.0 183
Show 12071+6905 STF1602 AC 315 153.8 183
Show 11405+6901 TOK 550 AB 347 923.5 188
Show 11512+6846 UC 2220 AB 85 27.6 191
Show 12056+6848 STF1599 AB 166 10.1 197
Show 12056+6848 STF1599 AC 332 108.4 197

 
 
WDS 11541+7155 : COMPONENTS
 
 
  A
B pa=8.5°
sep=0.31"
 
 
11541+7155 A
 
 
Componente originario normalizzato AB Name HD 103321 Coord arcsec 2000 115404.36+715527.1 Mag 7.99
Spectral class F4V (yellow-white) PmRA -85.00 PmDE -19.0 SAO 7446
HIP 58026 Tycho2 4396-00328-1 HD 103321 BD BD+72 550
Tycho2
Tycho2 4396-00328-1 Pflag RAmdeg 178.51754421 DEmdeg 71.92416946
PmRA -77.4 PmDE -11.3 E RAmdeg 4 E DEmdeg 5
E pmRA 1.1 E pmDE 1.2 EpRAm 1991.55 EpDEm 1991.43
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 8.099 E BTmag 0.015 VTmag 7.586
E VTmag 0.010 Prox 999 TYC T HIP 58026
CCDM AB RAdeg 178.51811417 DEdeg 71.92419528 EpRA 1990 1.78
EpDE 1990 1.74 E RAdeg 4.3 E DEdeg 4.6 Posflg P
Corr 0.0
SAO
SAO 7446 DelFlag RA1950 PmRA1950 -0.0158
DE1950 PmDE1950 -0.016 Vmag 7.5 SpType F5
Double code Source 1 CatNum 307 DM BD+72 550
DMcomp BDsup HD 103321 M HD 0
GC RA1950rad 3.10412438 DE1950rad 1.26017126 PmRA2000 -0.0152
PmDE2000 -0.013
Hipparcos
Catalog H HIP 58026 Proxy H RAhms 11 54 04.36
DEdms +71 55 27.1 Vmag 7.55 VarFlag R Vmag H
RAdeg 178.518 DEdeg 71.9242 AstroRef * Plx 10.88
CCDM 11541+7155 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source S Qual A M HIP AB
Theta 179 Rho 0.143 HD 103321 BD BD+72 550
CD CP Dm number +72 550 VIred 0.55
SpType F5 R SpType Coord arcsec 2000 115404.36+715527.1
Hipparcos 2
HIP 58026 Sn 55 So 3 Nc 2
RArad 3.1157295886 DErad 1.2553140837 Plx 11.24 PmRA -78.7
PmDE -16.36 E RArad 0.58 E DErad 0.53 E Plx 0.68
E pmRA 0.68 E pmDE 0.59 Hpmag 7.6513 E Hpmag 0.001
SHp 0.011 VA 0 BV 0.474 E BV 0.014
VI 0.55
CCDM
Ccdm 11541+7155 RComp Comp A Note1
Note2 Discov num DRAs -1.89 DDEs 26.7
R dRAs 10 Year Theta Rho
Obs 2 Vmag 8.0 Sp F5 PmNote *
PmRA -85 PmDE -18 Dm number +72 550 Cat1 BD
Name2 +72 307 Cat2 AGK2/3 HD 103321 M HD
ADS BDS A 8344 M ADS BDS N IDS IDS 11487N7229A
HIC 58026
 
 
11541+7155 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 115404.37+715527.4 Mag 9.1 Calc delta mag 1.11
Calc coord yes
CCDM
Ccdm 11541+7155 RComp Comp B Note1 *
Note2 Discov num A 75 DRAs DDEs
R dRAs Year 1900 Theta Rho
Obs 21 Vmag 8.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8344 M ADS BDS N IDS IDS 11487N7229B
HIC 58026