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Doubles in session


Current system
12289+2555
BU 1080 BC


Nearby doubles
13' : 12279+2556
SDK 79

25' : 12271+2603
CVR1434

30' : 12309+2555
LAS 7

31' : 12268+2609
SLE 897AB

34' : 12266+2611
SLW 721

34' : 12313+2556
AZC 75

42' : 12311+2621
GUR 31

49' : 12264+2630
CVR1431

53' : 12282+2502
TOK 912

56' : 12251+2530
SLW 719

57' : 12311+2641
LDS4223

58' : 12339+2603
SLE 900AB

60' : 12331+2600
CVR1446

61' : 12332+2606
LDS3050

61' : 12250+2520
SLE 894

61' : 12243+2606
YSC 97

62' : 12244+2535
STF1639AB

62' : 12268+2650
LDS1308AB

62' : 12261+2645
GUR 30

66' : 12271+2655
UC 2341

71' : 12272+2701
STF1643AB

73' : 12251+2647
LNV 9

75' : 12258+2658
SLE 896

79' : 12282+2712
CVR1437

79' : 12317+2701
STF1651

80' : 12254+2700
SLE 895



Selections
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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 12289+2555 : COMPONENTS
 
 
  A B C D E
B pa=250.4°
sep=145.55"
 
C pa=249.9°
sep=146.00"
pa=179.6°
sep=1.38"
 
D pa=269.6°
sep=291.43"
pa=286.8°
sep=161.24"
pa=287.3°
sep=161.66"
 
E pa=270.2°
sep=402.44"
pa=280.8°
sep=270.13"
pa=281.1°
sep=270.40"
pa=272.0°
sep=111.08"
 
F pa=148.1°
sep=121.58"
pa=105.1°
sep=208.58"
pa=104.7°
sep=208.21"
pa=105.8°
sep=369.78"
pa=102.7°
sep=478.37"
 
 
12289+2555 A
 
 
Name 17 Com Var name AI Com Coord arcsec 2000 122854.72+255446.4 Mag 5.23
Spectral class A0p (white) PmRA -22.00 PmDE -16.0 SAO 82330
HIP 60904 Tycho2 1989-03206-1 HD 108662 HR 4752
GC 17012 BD BD+26 2354 Flamsteed 17 Comae Berenices Flamsteed name 17 Com
Tycho2
Tycho2 1989-03206-1 Pflag RAmdeg 187.22792710 DEmdeg 25.91284986
PmRA -23.5 PmDE -15.3 E RAmdeg 3 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.55 EpDEm 1991.45
Num 15 Q RAmdeg 1.3 Q DEmdeg 0.5 Q pmRA 1.4
Q pmDE 0.5 BTmag 5.204 E BTmag 0.014 VTmag 5.231
E VTmag 0.009 Prox 999 TYC T HIP 60904
CCDM RAdeg 187.22798722 DEdeg 25.91288444 EpRA 1990 1.74
EpDE 1990 1.82 E RAdeg 3.4 E DEdeg 3.5 Posflg
Corr 0.2
SAO
SAO 82330 DelFlag RA1950 PmRA1950 -0.0019
DE1950 PmDE1950 -0.024 Vmag 5.4 SpType A0p
Double code Source 70 CatNum 17012 DM BD+26 2354
DMcomp BDsup HD 108662 M HD 0
GC 17012 RA1950rad 3.25685438 DE1950rad 0.45709059 PmRA2000 -0.0019
PmDE2000 -0.02
Hipparcos
Catalog H HIP 60904 Proxy RAhms 12 28 54.72
DEdms +25 54 46.4 Vmag 5.29 VarFlag 1 R Vmag G
RAdeg 187.228 DEdeg 25.9129 AstroRef Plx 12.06
CCDM 12289+2554 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 108662 BD BD+26 2354
CD CP Dm number +26 2354 VIred -0.06
SpType A0p R SpType Coord arcsec 2000 122854.72+255446.4
Hipparcos 2
HIP 60904 Sn 5 So 0 Nc 1
RArad 3.2677448931 DErad 0.4522652176 Plx 13.72 PmRA -21.94
PmDE -15.46 E RArad 0.19 E DErad 0.17 E Plx 0.25
E pmRA 0.27 E pmDE 0.21 Hpmag 5.2424 E Hpmag 0.0018
SHp 0.01 VA 1 BV -0.056 E BV 0.009
VI -0.06
 
 
12289+2555 B
 
 
Coord arcsec 2000 122844.56+255357.5 Coord calc 122844.56+255357.5 Mag 6.64 Spectral class Am (white)
PmRA -22.00 PmDE -17.0 SAO 82328 HIP 60891
Tycho2 1989-03208-1 HD 108651 HR 4751 GC 17007
BD BD+26 2353 Flamsteed 17 Comae Berenices Flamsteed name 17 Com Calc delta mag 1.41
Tycho2
Tycho2 1989-03208-1 Pflag RAmdeg 187.18568379 DEmdeg 25.89931835
PmRA -21.7 PmDE -17.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.44 EpDEm 1991.52
Num 13 Q RAmdeg 1.5 Q DEmdeg 1.0 Q pmRA 1.5
Q pmDE 1.1 BTmag 6.874 E BTmag 0.015 VTmag 6.638
E VTmag 0.010 Prox 999 TYC T HIP 60891
CCDM RAdeg 187.18573972 DEdeg 25.89935694 EpRA 1990 1.68
EpDE 1990 1.78 E RAdeg 4.4 E DEdeg 4.1 Posflg
Corr 0.4
SAO
SAO 82328 DelFlag RA1950 PmRA1950 -0.0014
DE1950 PmDE1950 -0.025 Vmag 6.7 SpType A3
Double code Source 70 CatNum 17007 DM BD+26 2353
DMcomp BDsup HD 108651 M HD 0
GC 17007 RA1950rad 3.25611523 DE1950rad 0.45685571 PmRA2000 -0.0014
PmDE2000 -0.021
Hipparcos
Catalog H HIP 60891 Proxy RAhms 12 28 44.58
DEdms +25 53 57.7 Vmag 6.63 VarFlag R Vmag G
RAdeg 187.186 DEdeg 25.8994 AstroRef Plx 12.66
CCDM 12289+2554 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 108651 BD BD+26 2353
CD CP Dm number +26 2353 VIred 0.23
SpType A0p R SpType Coord arcsec 2000 122844.58+255357.7
Hipparcos 2
HIP 60891 Sn 5 So 0 Nc 1
RArad 3.2670075341 DErad 0.4520291367 Plx 14.62 PmRA -20.28
PmDE -16.43 E RArad 0.3 E DErad 0.29 E Plx 0.41
E pmRA 0.42 E pmDE 0.32 Hpmag 6.6831 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.212 E BV 0.026
VI 0.23
 
 
12289+2555 C
 
 
Coord arcsec 2000 122844.56+255356.1 Mag 13.7 Calc delta mag 8.47 Calc coord yes
 
 
12289+2555 D
 
 
Coord arcsec 2000 122833.12+255444.1 Mag 11.63 PmRA -6.00 PmDE -28.0
Calc delta mag 6.4 Calc coord yes
 
 
12289+2555 E
 
 
Coord arcsec 2000 122824.89+255448.0 Mag 13.6 PmRA -14.00 PmDE 4.0
Calc delta mag 8.37 Calc coord yes
 
 
12289+2555 F
 
 
Coord arcsec 2000 122859.48+255303.2 Mag 13.92 PmRA 4.00 PmDE -11.0
Calc delta mag 8.69 Calc coord yes