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Doubles in session


Current system
11503+3741
HDS 1670 AB
HU UMa


Nearby doubles
15' : 11499+3754
COU1129AB

28' : 11486+3800
COU1128

35' : 11512+3708
NSN 50

48' : 11541+3757
SKF2695

49' : 11510+3653
HU 889

49' : 11472+3812
CRB 90

52' : 11515+3652
TDS8076

52' : 11523+3827
LDS4151

52' : 11461+3727
ES 1738

57' : 11499+3645
HDS1669

61' : 11526+3834
SKF2578

61' : 11512+3841
COU1130

62' : 11478+3648
SKF2577

65' : 11558+3746
CVR 634

66' : 11448+3751
UC 165

73' : 11512+3629
TDS8069

83' : 11506+3903
CVR1386

87' : 11524+3904
HDS1674AB

89' : 11500+3612
GRV 842

90' : 11431+3715
HU 1135

92' : 11575+3709
GRV 846AB

95' : 11454+3856
UC 2205

96' : 11500+3916
TDS8056

101' : 11585+3811
LDS5211

105' : 11428+3837
TDS8004

107' : 11443+3900
STF1569



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.

11503+3741 HDS 1670 AB (HU UMa)

 
 
11h 50m 19.06s +37° 40' 51.7" P.A. 25.00 sep 1.2 mag 11.95,12.50 Sp M0V dist. 63.65 pc (207.63 l.y.)
 
 
Coord 2000 11503+3741 Discov num HDS1670 Comp AB Coord arcsec 2000 11 50 19.06 +37 40 51.7
Date first 1991 Date last 2016 Obs 8
Pa first 28 Pa last 25 P.A. Now (θ) 25°
Sep first 1.2 Sep last 1.19 Sep. Now (ρ) 1.19"
Mag pri 11.95 Mag sec 12.50 delta mag (ΔM) 0.55 Spectral class M0V (red)
Pri motion ra -131 Sec motion ra -131
Pri motion dec -074 Sec motion dec -074
Notes N Z (See Notes, Parallax indicates components are physical)
This double is physical.
 
 
11503+3741 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HU UMa 11 50 19 +37 40 52 HDS 1670 AB 2016 8 25 1.2 11.95 12.50 0.55 <===
Show 11 50 19 +37 40 52 HJ 510 AB,C 2016 14 252 25.0 11.95 11.88 0.07
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Var name HU UMa Constellation Ursa Major HIP 57731 Tycho2 3014-00564-1
Gaia DR2 4032869738555722112 Distance 63.65 Distance ly 207.63
 
 
WDS 11503+3741 HDS 1670 AB (HU UMa) : NOTES
 
 
discov_num notes refcode
HJ 510 AB,C component = LDS5209.
 
 
REFERENCES
 
 
refcode metd author reference
HDS Hipparcos Double Star (from additional DD list) ...................
HJ_1826 Mb - Herschel, J.F.W. 1826MmRAS...2..459H
HJ_1826 MemRAS 2, 459, 1826
HJ_1829a Mb - Herschel, J.F.W. 1829MmRAS...3...47H
HJ_1829a MemRAS 3, 47, 1829
HJ_1829b Mb - Herschel, J.F.W. 1829MmRAS...3..177H
HJ_1829b MemRAS 3, 177, 1829
HJ_1831 Ma - Herschel, J.F.W. 1831MmRAS...4..331H
HJ_1831 +Mb MemRAS 4, part 2, 331, 1831
HJ_1833a Ma - Herschel, J.F.W. 1833MmRAS...5...13H
HJ_1833a +Mb MemRAS 5, 13, 1833
HJ_1833b orb - Herschel, J.F.W. 1833MmRAS...5..171H
HJ_1833b MemRAS 5, 171, 1833
HJ_1833c Mb - Herschel, J.F.W. 1833MmRAS...6....1H
HJ_1833c MemRAS 6, 1, 1833
HJ_1833d orb - Herschel, J.F.W. 1833MmRAS...6..149H
HJ_1833d MemRAS 6, 149, 1833
HJ_1835 Ma - Herschel, J.F.W. 1835MmRAS...8...37H
HJ_1835 +Mb MemRAS 8, 37, 1835
HJ_1836 Mb - Herschel, J.F.W. 1836MmRAS...9..193H
HJ_1836 MemRAS 9, 193, 1836
HJ_1847a Ma j Herschel, J.F.W. .
HJ_1847a +Mb Cape Results, London, 1847 (Cape of Good Hope Astronomical Observations 1834-1838)
HJ_1847b Ma j Herschel, J.F.W. .
HJ_1847b Cape Results, London, 1847
HJ_1850 orb - Herschel, J.F.W. 1850MmRAS..18...47H
HJ_1850 MemRAS 18, 47, 1850
HJ_1870 Mb - Herschel, J.F.W. 1870MmRAS..38....1H
HJ_1870 MemRAS 38, 1, 1870
HJ_1874A - Herschel, J.F.W. 1874MNRAS..35...28B
HJ_1874A cited by Burnham (MNRAS 35, 28, 1874)
HJ_1875A Ma - Herschel, J.F.W. 1875AN.....85..323D
HJ_1875A +Mb cited by Doberck, 1875 (see Dob1875b,f,g,h)
HJ_1880A Ma - Herschel, J.F.W. 1880Obs.....3..508G
HJ_1880A +Mb cited by Gledhill (Obs 3, 508, 1880)
HJ_1880B Mb - Herschel, J.F.W. 1880MNRAS..40..497B
HJ_1880B cited by Burnham (MNRAS 40, 497, 1880)
HJ_1897A Ma j Herschel, J.F.W. 1897MNRAS..57..541S
HJ_1897A cited by See (MNRAS 57, 541, 1897)
HJ_1905A Ma - Herschel, J.F.W. 1905LicOB...3..147A
HJ_1905A +Mb cited by Aitken (Lick Obs. Bull. 3, 147, 1905)
HJ_1906A Ma - Herschel, J.F.W. 1906MmRAS..56....1L
HJ_1906A +Mb cited by Lewis (MemRAS 56, 1, 1906)
HJ_1906B Ma - Herschel, J.F.W. 1906QB821.B972.....
HJ_1906B +Mb cited in BDS (Burnham Double Star Cat.), 1906
HJ_1927A Mb - Herschel, J.F.W. 1927sdsc.book......
HJ_1927A cited in SDS (Southern Double Star Catalog), 1927
HJ_1932A Mb - Herschel, J.F.W. 1932QB821.A43......
HJ_1932A cited in ADS (Aitken Double Star Cat.), 1932
HJ_9999 M j Herschel, J.F.W. ...................
HJ_9999 +Ma Unpublished, manuscript or reference not found.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11503+3741 HDS1670 AB 1991 2 24 1.4 11.95 12.50 M0V 115019.06+374051.7
11503+3741 HDS1670 AB 2008 3 23 1.2 11.95 12.50 M0V N 115019.06+374051.7
11503+3741 HDS1670 AB 2012 5 22 1.2 11.95 12.50 M0V N 115019.06+374051.7
11503+3741 HDS1670 AB 2015 6 20 1.3 11.95 12.50 M0V N 115019.06+374051.7
11503+3741 HDS1670 AB 2016 8 25 1.2 11.95 12.50 M0V NZ 115019.06+374051.7

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

 
 
WDS 11503+3741 HDS 1670 AB (HU UMa) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11503+3741 HDS 1670 AB (HU UMa) : MEASURES
 
 
No records found.

 
 
WDS 11503+3741 (HU UMa) : VIRTUAL EYEPIECE
 
 

11503+3741 HDS1670A mag 11.95 Sp M0V 11503+3741 HDS1670B sep 1.1 P.A. 20.30 mag 12.5 11503+3741 HJ 510C sep 20.3 P.A. 247.90 mag 11.88 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 11503+3741 (HU UMa) : ALADIN DSS IMAGE @ 11h 50m 19.06s +37° 40' 51.7"
 
 
 
 
WDS 11503+3741 HDS 1670 AB (HU UMa) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11503+3741 HDS1670AB distance=0' 11499+3754 COU1129AB distance=15' 11499+3754 UR 6AB,C distance=15' 11486+3800 COU1128 distance=28' 11512+3708 NSN 50 distance=35' 11541+3757 SKF2695 distance=48' 11510+3653 HU 889 distance=49' 11472+3812 CRB 90 distance=49' 11515+3652 TDS8076 distance=52' 11523+3827 LDS4151 distance=52' 11461+3727 ES 1738 distance=52' 11499+3645 HDS1669 distance=57' 11526+3834 SKF2578 distance=61' 11512+3841 COU1130 distance=61' 11478+3648 SKF2577 distance=62' 11558+3746 CVR 634 distance=65' 11448+3751 UC 165 distance=66' 11512+3629 TDS8069 distance=73' 11506+3903 CVR1386 distance=83' 11524+3904 HDS1674AB distance=87' 11524+3904 HDS1674AC distance=87' 11500+3612 GRV 842 distance=89' 11431+3715 HU 1135 distance=90' 11575+3709 GRV 846AB distance=92' 11454+3856 UC 2205 distance=95' 11500+3916 TDS8056 distance=96' 11585+3811 LDS5211 distance=101' 11428+3837 TDS8004 distance=105' 11443+3900 STF1569 distance=107' 11454+3912 UC 2204 distance=108' 11554+3919 SKF2579 distance=116' 11487+3937 COU1263 distance=118' 11504+3544 COU 964 distance=118' 11403+3750 ALI 854 distance=119' 11527+3937 SKF2693AB distance=120' 11479+3544 CVR1382 distance=121' 11401+3758 CBL 349 distance=122' 12002+3644 STTA114 distance=131' 11414+3624 UC 2190 distance=132' 11385+3743 SLW 622 distance=141' 12006+3954 HJ 2593 distance=143' 11412+3920 OSO 42AB distance=145' 11412+3920 LDS4135AC distance=145' 11424+3934 GRV 841 distance=147' 11531+3518 UC 2229 distance=148' 11461+4002 KPP3853 distance=150' 11478+3514 SKF2576 distance=151' 11460+4004 A 1997 distance=152' 11422+3940 HJ 508AB distance=152' 11563+3527 STT 241 distance=153' 11383+3845 ES 306 distance=156' 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 11503+3741 HDS1670 AB 25 1.2
Show 11503+3741 HJ 510 AB,C 252 25.0
Show 11499+3754 COU1129 AB 122 0.5 15
Show 11499+3754 UR 6 AB,C 270 54.6 15
Show 11486+3800 COU1128 58 1.5 28
Show 11512+3708 NSN 50 11 4.2 35
Show 11541+3757 SKF2695 203 15.2 48
Show 11510+3653 HU 889 295 1.1 49
Show 11472+3812 CRB 90 192 36.6 49
Show 11515+3652 TDS8076 275 0.5 52
Show 11523+3827 LDS4151 78 24.8 52
Show 11461+3727 ES 1738 164 1.8 52
Show 11499+3645 HDS1669 92 0.1 57
Show 11526+3834 SKF2578 6 4.4 61
Show 11512+3841 COU1130 327 2.3 61
Show 11478+3648 SKF2577 284 45.9 62
Show 11558+3746 CVR 634 327 11.3 65
Show 11448+3751 UC 165 234 8.4 66
Show 11512+3629 TDS8069 153 0.3 73
Show 11506+3903 CVR1386 117 4.9 83
Show 11524+3904 HDS1674 AB 28 4.8 87
Show 11524+3904 HDS1674 AC 342 9.7 87
Show 11500+3612 GRV 842 357 31.6 89
Show 11431+3715 HU 1135 334 0.7 90
Show 11575+3709 GRV 846 AB 32 54.2 92
Show 11454+3856 UC 2205 13 33.1 95
Show 11500+3916 TDS8056 259 0.6 96
Show 11585+3811 LDS5211 10 2.0 101
Show 11428+3837 TDS8004 13 0.8 105
Show 11443+3900 STF1569 321 3.7 107
Show 11454+3912 UC 2204 49 14.6 108
Show 11554+3919 SKF2579 342 6.5 116
Show 11487+3937 COU1263 240 0.4 118
Show 11504+3544 COU 964 60 1.4 118
Show 11403+3750 ALI 854 346 8.8 119
Show 11527+3937 SKF2693 AB 4 12.4 120
Show 11479+3544 CVR1382 146 3.3 121
Show 11401+3758 CBL 349 197 18.9 122
Show 12002+3644 STTA114 83 86.3 131
Show 11414+3624 UC 2190 170 34.2 132
Show 11385+3743 SLW 622 319 9.2 141
Show 12006+3954 HJ 2593 334 24.8 143
Show 11412+3920 OSO 42 AB 153 4.8 145
Show 11412+3920 LDS4135 AC 283 360.0 145
Show 11424+3934 GRV 841 203 64.5 147
Show 11531+3518 UC 2229 18 49.5 148
Show 11461+4002 KPP3853 69 14.6 150
Show 11478+3514 SKF2576 81 20.0 151
Show 11460+4004 A 1997 271 3.8 152
Show 11422+3940 HJ 508 AB 129 11.6 152
Show 11563+3527 STT 241 147 1.8 153

 
 
WDS 11503+3741 : COMPONENTS
 
 
  A B
B pa=20.3°
sep=1.15"
 
C pa=247.9°
sep=20.33"
pa=245.6°
sep=21.12"
 
 
11503+3741 A
 
 
Name HU UMa Coord arcsec 2000 115019.06+374051.7 Mag 11.95 Spectral class M0V (red)
PmRA -131.00 PmDE -74.0 HIP 57731 Tycho2 3014-00564-1
Tycho2
Tycho2 3014-00564-1 Pflag P RAmdeg 177.57909208 DEmdeg 37.68089296
PmRA -131.1 PmDE -73.7 E RAmdeg 50 E DEmdeg 67
E pmRA 3.5 E pmDE 3.3 EpRAm 1988.31 EpDEm 1983.79
Num 4 Q RAmdeg 2.6 Q DEmdeg 0.9 Q pmRA 2.6
Q pmDE 0.9 BTmag 13.009 E BTmag 0.196 VTmag 11.951
E VTmag 0.116 Prox 14 TYC HIP 57731
CCDM A RAdeg 177.57941250 DEdeg 37.68096639 EpRA 1990 1.86
EpDE 1990 1.67 E RAdeg 52.0 E DEdeg 71.9 Posflg D
Corr -0.1
Hipparcos
Catalog H HIP 57731 Proxy H RAhms 11 50 19.06
DEdms +37 40 51.7 Vmag 11.29 VarFlag 2 R Vmag H
RAdeg 177.579 DEdeg 37.681 AstroRef A Plx 12.61
CCDM 11503+3741 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 28 Rho 1.161 HD BD
CD CP Dm number VIred 1.61
SpType M0V R SpType Coord arcsec 2000 115019.06+374051.7
Hipparcos 2
HIP 57731 Sn 15 So 3 Nc 2
RArad 3.0993458469 DErad 0.6576579383 Plx 15.71 PmRA -126.96
PmDE -64.76 E RArad 3.8 E DErad 1.95 E Plx 4.41
E pmRA 4.16 E pmDE 2.1 Hpmag 11.3951 E Hpmag 0.0053
SHp 0.057 VA 2 BV 1.369 E BV 0.133
VI 1.61
CCDM
Ccdm 11503+3741 RComp Comp A Note1
Note2 Discov num DRAs 0.97 DDEs -8.9
R dRAs 82 Year Theta Rho
Obs 3 Vmag 12.0 Sp PmNote
PmRA -128 PmDE -65 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 5932 M ADS BDS N IDS IDS 11452N3815A
HIC 57731
 
 
11503+3741 B
 
 
Coord arcsec 2000 115019.09+374052.8 Mag 12.5 PmRA -131.00 PmDE -74.0
Tycho2 3014-00564-2 Calc delta mag 0.55 Calc coord yes
Tycho2
Tycho2 3014-00564-2 Pflag P RAmdeg 177.57909208 DEmdeg 37.68089296
PmRA -131.1 PmDE -73.7 E RAmdeg 50 E DEmdeg 67
E pmRA 3.5 E pmDE 3.3 EpRAm 1988.31 EpDEm 1983.79
Num 4 Q RAmdeg 2.6 Q DEmdeg 0.9 Q pmRA 2.6
Q pmDE 0.9 BTmag 13.648 E BTmag 0.279 VTmag 12.501
E VTmag 0.155 Prox 14 TYC HIP 57731
CCDM C RAdeg 177.57960694 DEdeg 37.68131444 EpRA 1990 1.87
EpDE 1990 1.68 E RAdeg 73.0 E DEdeg 101.8 Posflg D
Corr -0.1
CCDM
Ccdm 11503+3741 RComp Comp B Note1
Note2 Discov num HJ 510 DRAs -0.83 DDEs -14.0
R dRAs 65 Year 1880 Theta 252 Rho 24.9
Obs 3 Vmag 10.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS B 5932 M ADS BDS N IDS IDS 11452N3815B
HIC
 
 
11503+3741 C
 
 
Coord arcsec 2000 115017.47+374044.1 Mag 11.88 PmRA -145.00 PmDE -65.0
Tycho2 3014-00222-1 Calc delta mag 0.07 Calc coord yes
Tycho2
Tycho2 3014-00222-1 Pflag RAmdeg 177.57075144 DEmdeg 37.67889983
PmRA -133.3 PmDE -62.7 E RAmdeg 52 E DEmdeg 69
E pmRA 3.5 E pmDE 3.3 EpRAm 1988.05 EpDEm 1983.43
Num 4 Q RAmdeg 1.5 Q DEmdeg 1.4 Q pmRA 1.5
Q pmDE 1.4 BTmag 13.366 E BTmag 0.246 VTmag 11.880
E VTmag 0.112 Prox 246 TYC HIP
CCDM RAdeg 177.57113167 DEdeg 37.67904444 EpRA 1990 1.87
EpDE 1990 1.70 E RAdeg 53.5 E DEdeg 73.7 Posflg
Corr -0.1
CCDM
Ccdm 11503+3741 RComp Comp C Note1
Note2 Discov num HDS DRAs 1.02 DDEs -7.9
R dRAs 82 Year 1991 Theta 028 Rho 1.2
Obs 1 Vmag 12.3 Sp PmNote
PmRA -128 PmDE -65 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 57731