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Current system
15245+3723
CHR 181 Aa,Ab


Nearby doubles
4' : 15245+3726
HEI 783

23' : 15230+3710
SLW1087

40' : 15213+3710
GRV1208

66' : 15233+3619
A 1367AB

69' : 15197+3646
CVR 783

74' : 15282+3822
STF1947

76' : 15236+3838
RAO 593

80' : 15205+3826
TDS9493

88' : 15200+3614
MUG 15

88' : 15307+3810
HU 1163

89' : 15188+3627
HDS2152AB

90' : 15317+3746
TDS9538

92' : 15280+3844
CVR1632

99' : 15203+3559
HJ 251

113' : 15157+3642
ALI 601

117' : 15339+3755
BEU 20

118' : 15151+3650
STT 295

121' : 15163+3831
COU1137

122' : 15174+3556
LDS5165

123' : 15338+3818
UC 210

123' : 15333+3827
HJ 2786

125' : 15216+3922
CBL 487

125' : 15317+3903
KZA 96

126' : 15149+3818
STF1926AB

131' : 15272+3930
STF1946

137' : 15355+3803
KPP3961



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.
 
 
WDS 15245+3723 : COMPONENTS
 
 
  A Ab B
Ab pa=186.2°
sep=0.07"
 
B pa=171.3°
sep=105.83"
pa=171.2°
sep=105.76"
 
Bb pa=171.0°
sep=103.67"
pa=171.0°
sep=103.60"
pa=1.7°
sep=2.20"
 
 
15245+3723 A
 
 
Common name Alkalurops Meaning crook Other names INKALUNIS, ICALURUS, CLAVA, VENABULUM Coord arcsec 2000 152429.54+372237.1
Mag 4.33 Spectral class F2IVa (yellow-white) PmRA -147.00 PmDE 80.0
SAO 64686 HIP 75411 Tycho2 2570-01521-1 HD 137391
HR 5733 GC 20724 BD BD+37 2636 Bayer Mu 1 Bootis
Bayer name Mu1 Boo Flamsteed 51 Bootis Flamsteed name 51 Boo FK5 568
Tycho2
Tycho2 2570-01521-1 Pflag RAmdeg 231.12261791 DEmdeg 37.37716970
PmRA -146.9 PmDE 85.5 E RAmdeg 3 E DEmdeg 3
E pmRA 0.6 E pmDE 0.7 EpRAm 1991.19 EpDEm 1991.35
Num 20 Q RAmdeg 1.0 Q DEmdeg 1.7 Q pmRA 1.0
Q pmDE 1.7 BTmag 4.667 E BTmag 0.014 VTmag 4.334
E VTmag 0.009 Prox 999 TYC T HIP 75411
CCDM RAdeg 231.12304972 DEdeg 37.37697139 EpRA 1990 1.59
EpDE 1990 1.65 E RAdeg 3.3 E DEdeg 3.3 Posflg
Corr -0.2
SAO
SAO 64686 DelFlag RA1950 PmRA1950 -0.0124
DE1950 PmDE1950 0.084 Vmag 4.5 SpType F0
Double code Source 74 CatNum 568 DM BD+37 2636
DMcomp BDsup HD 137391 M HD 0
GC 20724 RA1950rad 4.02560153 DE1950rad 0.65539774 PmRA2000 -0.0121
PmDE2000 0.087
Hipparcos
Catalog H HIP 75411 Proxy RAhms 15 24 29.54
DEdms +37 22 37.1 Vmag 4.31 VarFlag R Vmag G
RAdeg 231.123 DEdeg 37.377 AstroRef Plx 26.96
CCDM 15245+3722 N CCDM I Nsys 2 Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD 137391 BD BD+37 2636
CD CP Dm number +37 2636 VIred 0.35
SpType F0V R SpType Coord arcsec 2000 152429.54+372237.1
Hipparcos 2
HIP 75411 Sn 1 So 1 Nc 1
RArad 4.0338584954 DErad 0.6523510313 Plx 28.83 PmRA -146.73
PmDE 79.85 E RArad 0.51 E DErad 0.59 E Plx 0.74
E pmRA 0.66 E pmDE 0.77 Hpmag 4.3826 E Hpmag 0.0005
SHp 0.005 VA 0 BV 0.309 E BV 0.008
VI 0.35
 
 
15245+3723 Ab
 
 
Coord arcsec 2000 152429.54+372237.0 Calc delta mag 4.31 Calc coord yes
 
 
15245+3723 B
 
 
Coord arcsec 2000 152430.89+372052.5 Coord calc 152430.70+372049.3 Mag 7.09 Mag composta 7.09
Spectral class G0V (yellow) PmRA -154.00 PmDE 92.0 SAO 64687
HIP 75415 Tycho2 2570-01518-1 HD 137392 HR 5734
GC 20725 BD BD+37 2637 Bayer Mu 2 Bootis Bayer name Mu2 Boo
Flamsteed 51 Bootis Flamsteed name 51 Boo Calc delta mag 2.78
Tycho2
Tycho2 2570-01518-1 Pflag P RAmdeg 231.12862441 DEmdeg 37.34747199
PmRA -151.3 PmDE 86.9 E RAmdeg 4 E DEmdeg 5
E pmRA 2.9 E pmDE 2.8 EpRAm 1991.62 EpDEm 1991.52
Num 3 Q RAmdeg 3.2 Q DEmdeg 0.2 Q pmRA 3.3
Q pmDE 0.1 BTmag 7.731 E BTmag 0.016 VTmag 7.092
E VTmag 0.010 Prox 22 TYC T HIP 75415
CCDM B RAdeg 231.12902222 DEdeg 37.34710306 EpRA 1990 1.65
EpDE 1990 1.57 E RAdeg 4.3 E DEdeg 4.5 Posflg D
Corr -0.2
SAO
SAO 64687 DelFlag RA1950 PmRA1950 -0.0124
DE1950 PmDE1950 0.091 Vmag 6.7 SpType K0
Double code Source 70 CatNum 20725 DM BD+37 2637
DMcomp BDsup HD 137392 M HD 0
GC 20725 RA1950rad 4.02570389 DE1950rad 0.65488093 PmRA2000 -0.0121
PmDE2000 0.094
Hipparcos
Catalog H HIP 75415 Proxy H RAhms 15 24 30.97
DEdms +37 20 49.5 Vmag 6.51 VarFlag R Vmag G
RAdeg 231.129 DEdeg 37.3471 AstroRef B Plx 26.82
CCDM 15245+3722 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP BC
Theta 12 Rho 2.232 HD 137392 BD BD+37 2637
CD CP Dm number +37 2637 VIred 0.64
SpType G1V R SpType Coord arcsec 2000 152430.97+372049.5
Hipparcos 2
HIP 75415 Sn 15 So 3 Nc 2
RArad 4.0339627643 DErad 0.6518297443 Plx 27.73 PmRA -140.08
PmDE 84.78 E RArad 0.41 E DErad 0.55 E Plx 0.65
E pmRA 0.57 E pmDE 0.83 Hpmag 6.6404 E Hpmag 0.0008
SHp 0.01 VA 0 BV 0.6 E BV 0.042
VI 0.64
 
 
15245+3723 Bb
 
 
Coord arcsec 2000 152430.90+372054.7 Mag 7.63 PmRA -151.00 PmDE 87.0
Calc delta mag 3.32 Calc coord yes