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Doubles in session


Current system
15155+3319
SMR 31 AC


Nearby doubles
5' : 15151+3318
SMR 32AB

23' : 15144+3301
OSO 62

25' : 15166+3339
STF1929

36' : 15163+3245
UC 2974

47' : 15175+3241
COU 793

48' : 15181+3245
COU 794

49' : 15135+3244
ES 2476

60' : 15162+3418
A 1366

63' : 15205+3320
TDS9494

64' : 15191+3404
LDS5169

69' : 15202+3244
LDS5172

75' : 15121+3419
ES 2417

75' : 15111+3229
COU 792

79' : 15129+3430
UC 2960AB

82' : 15092+3304
HJ 566

82' : 15153+3158
LDS4541

89' : 15127+3440
TDS9446AB

94' : 15141+3147
STT 292

94' : 15175+3148
SLW1076

97' : 15080+3257
UC 2936AB

97' : 15136+3453
HO 60

98' : 15203+3203
TOK 300

99' : 15099+3208
HJ 2769

100' : 15181+3452
HJ 571

100' : 15215+3426
TDS9496

101' : 15129+3145
HJ 569



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 15155+3319 : COMPONENTS
 
 
  A B
B pa=75.4°
sep=88.58"
 
C pa=4.0°
sep=93.09"
pa=311.7°
sep=106.02"
 
 
15155+3319 A
 
 
Name Del Boo Coord arcsec 2000 151530.16+331853.4 Mag 3.56 Spectral class G8III (yellow)
PmRA 85.00 PmDE -112.0 SAO 64589 HIP 74666
Tycho2 2566-01639-1 HD 135722 HR 5681 GC 20523
BD BD+33 2561 Bayer Delta Bootis Bayer name Del Flamsteed 49 Bootis
Flamsteed name 49 Boo FK5 563
Tycho2
Tycho2 2566-01639-1 Pflag RAmdeg 228.87567834 DEmdeg 33.31483226
PmRA 84.7 PmDE -110.9 E RAmdeg 3 E DEmdeg 3
E pmRA 0.7 E pmDE 0.7 EpRAm 1991.27 EpDEm 1991.40
Num 23 Q RAmdeg 0.7 Q DEmdeg 1.0 Q pmRA 0.7
Q pmDE 1.1 BTmag 4.669 E BTmag 0.014 VTmag 3.563
E VTmag 0.009 Prox 999 TYC T HIP 74666
CCDM RAdeg 228.87544306 DEdeg 33.31508722 EpRA 1990 1.65
EpDE 1990 1.72 E RAdeg 3.2 E DEdeg 3.1 Posflg
Corr -0.1
SAO
SAO 64589 DelFlag RA1950 PmRA1950 0.0066
DE1950 PmDE1950 -0.116 Vmag 3.5 SpType K0
Double code Source 74 CatNum 563 DM BD+33 2561
DMcomp BDsup HD 135722 M HD 0
GC 20523 RA1950rad 3.98583144 DE1950rad 0.58469112 PmRA2000 0.0069
PmDE2000 -0.112
Hipparcos
Catalog H HIP 74666 Proxy RAhms 15 15 30.10
DEdms +33 18 54.4 Vmag 3.46 VarFlag R Vmag H
RAdeg 228.875 DEdeg 33.3151 AstroRef Plx 27.94
CCDM 15156+3319 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 135722 BD BD+33 2561
CD CP Dm number +33 2561 VIred 0.96
SpType G8III R SpType Coord arcsec 2000 151530.10+331854.4
Hipparcos 2
HIP 74666 Sn 5 So 0 Nc 1
RArad 3.994629874 DErad 0.5814582287 Plx 26.78 PmRA 84.74
PmDE -111.58 E RArad 0.09 E DErad 0.11 E Plx 0.16
E pmRA 0.1 E pmDE 0.13 Hpmag 3.6268 E Hpmag 0.0003
SHp 0.004 VA 0 BV 0.961 E BV 0.003
VI 0.96
 
 
15155+3319 B
 
 
Coord arcsec 2000 151537.00+331915.8 Mag 7.89 Spectral class G0V (yellow) PmRA 82.00
PmDE -110.0 HIP 74674 Tycho2 2566-00246-1 BD BD+33 2562
Calc delta mag 4.33 Calc coord yes
Tycho2
Tycho2 2566-00246-1 Pflag RAmdeg 228.90978680 DEmdeg 33.32092225
PmRA 83.7 PmDE -109.5 E RAmdeg 5 E DEmdeg 4
E pmRA 1.5 E pmDE 1.5 EpRAm 1991.48 EpDEm 1991.65
Num 7 Q RAmdeg 0.2 Q DEmdeg 0.8 Q pmRA 0.3
Q pmDE 0.7 BTmag 8.527 E BTmag 0.016 VTmag 7.894
E VTmag 0.011 Prox 999 TYC T HIP 74674
CCDM RAdeg 228.90955472 DEdeg 33.32117111 EpRA 1990 1.66
EpDE 1990 1.82 E RAdeg 5.3 E DEdeg 4.4 Posflg
Corr -0.1
Hipparcos
Catalog H HIP 74674 Proxy RAhms 15 15 38.29
DEdms +33 19 16.3 Vmag 7.8 VarFlag R Vmag H
RAdeg 228.91 DEdeg 33.3212 AstroRef Plx 27.61
CCDM 15156+3319 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD BD BD+33 2562
CD CP Dm number +33 2562 VIred 0.95
SpType G0Vvar R SpType Coord arcsec 2000 151538.29+331916.3
Hipparcos 2
HIP 74674 Sn 5 So 0 Nc 1
RArad 3.9952252483 DErad 0.5815644677 Plx 27.05 PmRA 83.48
PmDE -110.41 E RArad 0.38 E DErad 0.46 E Plx 0.73
E pmRA 0.39 E pmDE 0.54 Hpmag 7.929 E Hpmag 0.0013
SHp 0.016 VA 0 BV 0.624 E BV 0.012
VI 0.69
 
 
15155+3319 C
 
 
Coord arcsec 2000 151530.68+332026.3 Mag 14.3 Spectral class 1 PmRA 23.00
PmDE -31.0 Calc delta mag 10.74 Calc coord yes