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Doubles in session


Current system
21028+4551
BU 1138 CE


Nearby doubles
23' : 21012+4609
STT 426AB

26' : 21046+4541
ES 1168

26' : 21037+4616
TDT2719

31' : 21010+4528
ES 1271

34' : 21051+4615
BRT1141

38' : 21044+4626
DAL 49

39' : 21032+4631
TDT2714

40' : 21046+4627
BRT1140

40' : 20599+4525
HEI 15

42' : 21044+4631
HDS3001

43' : 21062+4535
LDS2487

46' : 21067+4538
TDT2754

46' : 21008+4635
BU 156

48' : 21022+4506
LDS2481

49' : 21022+4641
ES 1167AB

55' : 20585+4626
TDT2667

55' : 20579+4532
ES 677

56' : 20578+4530
ES 676

57' : 21067+4631
SMA 125AB

60' : 21037+4652
YSC 14

65' : 21075+4515
HJ 1615

70' : 20571+4632
TDT2653

70' : 21083+4630
BRT1143

72' : 20562+4615
A 753AB

73' : 20597+4658
ES 1166

74' : 21051+4444
SMA 124



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 21028+4551 : COMPONENTS
 
 
  A B C D E F
B pa=174.3°
sep=0.07"
 
C pa=327.5°
sep=153.05"
pa=327.5°
sep=153.12"
 
D pa=328.1°
sep=152.26"
pa=328.1°
sep=152.33"
pa=83.0°
sep=1.86"
 
E pa=321.0°
sep=155.26"
pa=321.1°
sep=155.32"
pa=241.5°
sep=17.51"
pa=243.5°
sep=19.25"
 
F pa=330.9°
sep=158.40"
pa=330.9°
sep=158.46"
pa=29.0°
sep=10.62"
pa=20.0°
sep=9.64"
pa=49.3°
sep=27.07"
 
G pa=327.1°
sep=146.35"
pa=327.1°
sep=146.41"
pa=156.5°
sep=6.79"
pa=172.4°
sep=6.51"
pa=83.3°
sep=18.22"
pa=188.9°
sep=15.70"
 
 
21028+4551 A
 
 
Coord arcsec 2000 210248.62+455056.0 Mag 7.1 Spectral class B3Vn (blue-white) PmRA 9.00
PmDE 4.0 SAO 50390 HIP 103871 Tycho2 3588-12113-1
HD 200595 HR 8064 GC 29403 BD BD+45 3374
Tycho2
Tycho2 3588-12113-1 Pflag RAmdeg 315.70257918 DEmdeg 45.84889092
PmRA 3.1 PmDE -3.2 E RAmdeg 4 E DEmdeg 4
E pmRA 0.9 E pmDE 1.0 EpRAm 1991.32 EpDEm 1991.40
Num 11 Q RAmdeg 1.2 Q DEmdeg 1.2 Q pmRA 1.3
Q pmDE 1.3 BTmag 6.316 E BTmag 0.014 VTmag 6.464
E VTmag 0.010 Prox 999 TYC T HIP 103871
CCDM RAdeg 315.70256889 DEdeg 45.84889833 EpRA 1990 1.58
EpDE 1990 1.61 E RAdeg 3.5 E DEdeg 3.6 Posflg
Corr 0.0
SAO
SAO 50390 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 0.002 Vmag 6.2 SpType B8
Double code Source 70 CatNum 29403 DM BD+45 3374
DMcomp BDsup HD 200595 M HD 0
GC 29403 RA1950rad 5.50235864 DE1950rad 0.7967512 PmRA2000 -0.0005
PmDE2000 -0.001
Hipparcos
Catalog H HIP 103871 Proxy RAhms 21 02 48.62
DEdms +45 50 56.0 Vmag 6.5 VarFlag R Vmag G
RAdeg 315.703 DEdeg 45.8489 AstroRef Plx 2.41
CCDM 21028+4552 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 200595 BD BD+45 3374
CD CP Dm number +45 3374 VIred -0.11
SpType B3Vn R SpType Coord arcsec 2000 210248.62+455056.0
Hipparcos 2
HIP 103871 Sn 5 So 0 Nc 1
RArad 5.5100492909 DErad 0.8002142534 Plx 2.5 PmRA 3.34
PmDE -4.61 E RArad 0.29 E DErad 0.25 E Plx 0.33
E pmRA 0.31 E pmDE 0.28 Hpmag 6.4575 E Hpmag 0.0006
SHp 0.006 VA 0 BV -0.124 E BV 0.002
VI -0.11
 
 
21028+4551 B
 
 
Coord arcsec 2000 210248.62+455055.9 Mag 7.3 Calc delta mag 0.2 Calc coord yes
 
 
21028+4551 C
 
 
Coord arcsec 2000 210240.75+455305.1 Coord calc 210240.75+455305.1 Mag 7.82 Spectral class K2 (yellow-orange)
PmRA 404.00 PmDE 141.0 SAO 50388 HIP 103859
Tycho2 3588-03634-1 HD 200560 GC 29398 BD BD+45 3371
Calc delta mag 0.72
Tycho2
Tycho2 3588-03634-1 Pflag RAmdeg 315.66979562 DEmdeg 45.88477054
PmRA 396.1 PmDE 141.0 E RAmdeg 5 E DEmdeg 6
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.08 EpDEm 1990.88
Num 13 Q RAmdeg 1.4 Q DEmdeg 1.0 Q pmRA 1.4
Q pmDE 1.0 BTmag 8.952 E BTmag 0.017 VTmag 7.822
E VTmag 0.011 Prox 999 TYC T HIP 103859
CCDM RAdeg 315.66847750 DEdeg 45.88444222 EpRA 1990 1.66
EpDE 1990 1.62 E RAdeg 5.4 E DEdeg 6.0 Posflg
Corr -0.1
SAO
SAO 50388 DelFlag RA1950 PmRA1950 0.0352
DE1950 PmDE1950 0.149 Vmag 7.6 SpType K2
Double code Source 70 CatNum 29398 DM BD+45 3371
DMcomp BDsup HD 200560 M HD 0
GC 29398 RA1950rad 5.50165243 DE1950rad 0.79734586 PmRA2000 0.0356
PmDE2000 0.148
Hipparcos
Catalog H HIP 103859 Proxy RAhms 21 02 40.42
DEdms +45 53 03.9 Vmag 7.69 VarFlag R Vmag G
RAdeg 315.668 DEdeg 45.8844 AstroRef Plx 51.65
CCDM 21028+4552 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 200560 BD BD+45 3371
CD CP Dm number +45 3371 VIred 0.93
SpType K2 R SpType Coord arcsec 2000 210240.42+455303.9
Hipparcos 2
HIP 103859 Sn 5 So 0 Nc 1
RArad 5.5094531231 DErad 0.8008343403 Plx 51.36 PmRA 403.83
PmDE 140.93 E RArad 0.53 E DErad 0.48 E Plx 0.63
E pmRA 0.58 E pmDE 0.53 Hpmag 7.8372 E Hpmag 0.0018
SHp 0.016 VA 0 BV 0.97 E BV 0.016
VI 0.93
 
 
21028+4551 D
 
 
Coord arcsec 2000 210240.93+455305.3 Mag 13.4 Calc delta mag 6.3 Calc coord yes
 
 
21028+4551 E
 
 
Coord arcsec 2000 210239.28+455256.7 Mag 12.38 PmRA 76.00 PmDE 22.0
Calc delta mag 5.28 Calc coord yes
 
 
21028+4551 F
 
 
Coord arcsec 2000 210241.24+455314.4 Mag 15.7 Calc delta mag 8.6 Calc coord yes
 
 
21028+4551 G
 
 
Coord arcsec 2000 210241.01+455258.9 Mag 14.3 Calc delta mag 7.2 Calc coord yes