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Current system
13239+5456
SHY 247 AF


Nearby doubles
44' : 13273+5528
UC 2542

48' : 13205+5419
BEM9017

50' : 13195+5423
STI2296

60' : 13184+5420
HJ 2649

62' : 13219+5554
CBL 56

69' : 13198+5358
CBL 420

71' : 13198+5557
TDS 701

73' : 13275+5601
A 1361AB

79' : 13157+5424
HDS1858

79' : 13279+5345
TDS8835

89' : 13312+5354
CVR 699

90' : 13291+5614
A 1362

90' : 13146+5417
A 1608

94' : 13337+5418
BEM 6

98' : 13213+5321
ES 733

100' : 13200+5322
SLW 855

103' : 13138+5550
CVR1496

104' : 13119+5445
SKF1742

114' : 13109+5439
CBL 412

115' : 13254+5649
HJ 2652

118' : 13276+5721
VBS 22

119' : 13146+5330
LDS5221

121' : 13099+5504
GRV1155

123' : 13098+5448
TDS8712

124' : 13258+5658
LAF 49

126' : 13383+5519
MLB 171



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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.
 
 
WDS 13239+5456 : COMPONENTS
 
 
  A Ab B C Cb D E F G
Ab pa=33.7°
sep=0.01"
 
B pa=152.9°
sep=14.41"
pa=152.9°
sep=14.41"
 
C pa=71.5°
sep=709.42"
pa=71.5°
sep=709.41"
pa=70.4°
sep=707.44"
 
Cb pa=71.6°
sep=708.67"
pa=71.6°
sep=708.67"
pa=70.4°
sep=706.68"
pa=207.1°
sep=1.04"
 
D pa=103.2°
sep=498.24"
pa=103.2°
sep=498.24"
pa=101.9°
sep=489.06"
pa=209.0°
sep=387.64"
pa=209.0°
sep=386.60"
 
E pa=321.0°
sep=8204.00"
pa=321.0°
sep=8203.99"
pa=321.0°
sep=8218.18"
pa=316.6°
sep=8458.16"
pa=316.6°
sep=8458.54"
pa=319.0°
sep=8593.93"
 
F pa=358.6°
sep=9999.79"
pa=358.6°
sep=9999.78"
pa=358.6°
sep=10012.77"
pa=354.6°
sep=9811.84"
pa=354.6°
sep=9812.73"
pa=355.9°
sep=10135.20"
pa=53.1°
sep=5881.62"
 
G pa=272.4°
sep=9334.80"
pa=272.4°
sep=9334.81"
pa=272.5°
sep=9342.32"
pa=271.0°
sep=9991.96"
pa=271.0°
sep=9991.54"
pa=273.0°
sep=9827.48"
pa=213.2°
sep=7256.77"
pa=221.4°
sep=12993.76"
 
H pa=242.5°
sep=9417.20"
pa=242.5°
sep=9417.21"
pa=242.6°
sep=9417.61"
pa=243.1°
sep=10121.85"
pa=243.1°
sep=10121.03"
pa=244.4°
sep=9811.38"
pa=195.2°
sep=11150.27"
pa=207.5°
sep=16306.36"
pa=167.1°
sep=4825.12"
 
 
13239+5456 A
 
 
Common name Mizar Meaning bandage (thong) Other names Mizat, Mirza, Mitsar Coord arcsec 2000 132355.42+545531.5
Mag 2.23 Spectral class A1VpSrSi (white) PmRA 121.00 PmDE -22.0
SAO 28737 HIP 65378 Tycho2 3850-01385-1 HD 116656
HR 5054 GC 18133 BD BD+55 1598 Bayer Zeta Ursae Majoris
Bayer name zet UMa Flamsteed 79 Ursae Majoris Flamsteed name 79 UMa FK5 497
SAO
SAO 28737 DelFlag RA1950 PmRA1950 0.0139
DE1950 PmDE1950 -0.025 Vmag 2.4 SpType A2p
Double code Source 74 CatNum 497 DM BD+55 1598
DMcomp A BDsup HD 116656 M HD 0
GC 18133 RA1950rad 3.4990154 DE1950rad 0.96317673 PmRA2000 0.0142
PmDE2000 -0.02
Hipparcos
Catalog H HIP 65378 Proxy RAhms 13 23 55.42
DEdms +54 55 31.5 Vmag 2.23 VarFlag R Vmag H
RAdeg 200.981 DEdeg 54.9254 AstroRef A Plx 41.73
CCDM 121.23 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AC
Theta 152 Rho 14.431 HD BD BD+55 1598
CD CP Dm number +55 1598 VIred 0.07
SpType A2V R SpType Coord arcsec 2000 132355.42+545531.5
Hipparcos 2
HIP 65378 Sn 15 So 3 Nc 2
RArad 3.5077787053 DErad 0.9586293363 Plx 38.01 PmRA 119.01
PmDE -25.97 E RArad 1.28 E DErad 1.4 E Plx 1.71
E pmRA 1.49 E pmDE 1.65 Hpmag E Hpmag 0.0088
SHp 0.041 VA 0 BV 0.057 E BV 0.004
VI 0.07
 
 
13239+5456 Ab
 
 
Coord arcsec 2000 132355.42+545531.5 Mag 3 SAO 139314 HIP 65379
BD BD-04 3470 Coordinate calculated yes
SAO
SAO 139314 DelFlag RA1950 PmRA1950 0.0016
DE1950 PmDE1950 0.014 Vmag 8.2 SpType K0
Double code Source 27 CatNum 4834 DM BD-04 3470
DMcomp BDsup HD 116461 M HD 0
GC RA1950rad 3.49650809 DE1950rad -0.08531545 PmRA2000 0.0018
PmDE2000 0.019
Hipparcos
Catalog H HIP 65379 Proxy RAhms 13 23 56.37
DEdms -05 08 55.1 Vmag 8.26 VarFlag R Vmag H
RAdeg 200.985 DEdeg -5.14863 AstroRef Plx 9.38
CCDM 28.93 N CCDM Nsys Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD-04 3470
CD CP Dm number -04 3470 VIred 0.93
SpType K0 R SpType Coord arcsec 2000 132356.37-050855.1
Hipparcos 2
HIP 65379 Sn 5 So 0 Nc 1
RArad 3.5078475094 DErad -0.0898606089 Plx 10.13 PmRA 29.29
PmDE 5.73 E RArad 0.82 E DErad 0.65 E Plx 1.07
E pmRA 1 E pmDE 0.67 Hpmag E Hpmag 0.0015
SHp 0.01 VA 0 BV 0.902 E BV 0.017
VI 0.9
 
 
13239+5456 B
 
 
Coord arcsec 2000 132356.18+545518.7 Mag 3.88 PmRA 121.00 PmDE -22.0
HD 116412 Delta magnitude 0.88 Coordinate calculated yes
 
 
13239+5456 C
 
 
Common name Alcor Meaning the faint one Other name g UMa Coord arcsec 2000 132513.53+545916.6
Coord calc 132513.53+545916.6 Mag 4.01 Spectral class A5V (white) PmRA 119.00
PmDE -18.0 SAO 28751 HIP 65477 Tycho2 3850-01384-1
HD 116842 HR 5062 GC 18155 BD BD+55 1603
Flamsteed 80 Ursae Majoris Flamsteed name 80 UMa Delta magnitude 1.01
Tycho2
Tycho2 3850-01384-1 Pflag RAmdeg 201.30640150 DEmdeg 54.98795585
PmRA 119.0 PmDE -18.3 E RAmdeg 3 E DEmdeg 3
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.57 EpDEm 1991.55
Num 10 Q RAmdeg 0.3 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 0.9 BTmag 4.203 E BTmag 0.014 VTmag 4.007
E VTmag 0.009 Prox 999 TYC T HIP 65477
CCDM RAdeg 201.30592361 DEdeg 54.98799833 EpRA 1990 1.71
EpDE 1990 1.68 E RAdeg 3.2 E DEdeg 3.2 Posflg
Corr -0.2
SAO
SAO 28751 DelFlag RA1950 PmRA1950 0.0134
DE1950 PmDE1950 -0.021 Vmag 4 SpType A5
Double code Source 70 CatNum 18155 DM BD+55 1603
DMcomp BDsup HD 116842 M HD 0
GC 18155 RA1950rad 3.50472857 DE1950rad 0.96426041 PmRA2000 0.0138
PmDE2000 -0.016
Hipparcos
Catalog H HIP 65477 Proxy RAhms 13 25 13.42
DEdms +54 59 16.8 Vmag 3.99 VarFlag 1 R Vmag H
RAdeg 201.306 DEdeg 54.988 AstroRef Plx 40.19
CCDM 120.35 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+55 1603
CD CP Dm number +55 1603 VIred 0.19
SpType A5V SB R SpType Coord arcsec 2000 132513.42+545916.8
Hipparcos 2
HIP 65477 Sn 5 So 0 Nc 1
RArad 3.5134507307 DErad 0.9597216255 Plx 39.91 PmRA 120.21
PmDE -16.04 E RArad 0.11 E DErad 0.11 E Plx 0.13
E pmRA 0.12 E pmDE 0.14 Hpmag E Hpmag 0.0008
SHp 0.008 VA 2 BV 0.169 E BV 0.006
VI 0.19
 
 
13239+5456 Cb
 
 
Coord arcsec 2000 132513.47+545915.7 Mag 8 Delta magnitude 5 Coordinate calculated yes
 
 
13239+5456 D
 
 
Coord arcsec 2000 132451.67+545337.8 Mag 7.62 PmRA -20.00 PmDE -5.0
SAO 28748 Tycho2 3850-00257-1 HD 116798 GC 18150
DM BD+55 1602 Delta magnitude 4.62 Coordinate calculated yes
Tycho2
Tycho2 3850-00257-1 Pflag RAmdeg 201.21603854 DEmdeg 54.89746503
PmRA -19.7 PmDE -4.7 E RAmdeg 5 E DEmdeg 5
E pmRA 1.2 E pmDE 1.3 EpRAm 1991.29 EpDEm 1991.34
Num 12 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.9
Q pmDE 1.2 BTmag 7.930 E BTmag 0.016 VTmag 7.616
E VTmag 0.011 Prox 999 TYC T HIP
CCDM RAdeg 201.21611639 DEdeg 54.89747583 EpRA 1990 1.76
EpDE 1990 1.71 E RAdeg 4.5 E DEdeg 4.8 Posflg
Corr -0.1
SAO
SAO 28748 DelFlag RA1950 PmRA1950 -0.0033
DE1950 PmDE1950 -0.009 Vmag 8.8 SpType A5
Double code Source 70 CatNum 18150 DM BD+55 1602
DMcomp BDsup HD 116798 M HD 0
GC 18150 RA1950rad 3.50319436 DE1950rad 0.96267901 PmRA2000 -0.0028
PmDE2000 -0.004
 
 
13239+5456 E
 
 
Coord arcsec 2000 131351.05+564244.6 Mag 6.88 Spectral class G1Va (yellow) PmRA 113.00
PmDE -20.0 Delta magnitude 3.88 Coordinate calculated yes
 
 
13239+5456 F
 
 
Coord arcsec 2000 132327.08+574208.5 Mag 9.86 Spectral class K5 (yellow-orange) PmRA 119.00
PmDE -20.0 Delta magnitude 6.86 Coordinate calculated yes
 
 
13239+5456 G
 
 
Coord arcsec 2000 130551.76+550211.1 Mag 8.21 Spectral class K2V (yellow-orange) PmRA 108.00
PmDE -1.0 Delta magnitude 5.21 Coordinate calculated yes
 
 
13239+5456 H
 
 
Coord arcsec 2000 130757.31+534352.3 Mag 8.63 Spectral class K0V (yellow-orange) PmRA 109.00
PmDE -5.0 Delta magnitude 5.63 Coordinate calculated yes