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Current system
09291-0246
HJ 1167
Tau1 Hya


Nearby doubles
11' : 09298-0245
UC 1802

23' : 09296-0307
BU 591

24' : 09276-0241
UC 1793

32' : 09294-0317
GWP1184

40' : 09265-0255
J 425AB

44' : 09310-0319
TDS 540

45' : 09314-0215
J 2069

45' : 09269-0315
A 128

53' : 09311-0330
KPP2758

74' : 09291-0132
BAL 518

75' : 09341-0253
TVB 222

77' : 09295-0402
UC 1801

79' : 09317-0138
GWP1191

82' : 09240-0221
HJ 812

84' : 09301-0124
RST4912

85' : 09293-0409
GIC 88

86' : 09303-0122
SMH 13

91' : 09290-0115
A 1763

97' : 09243-0143
LDS3887

103' : 09289-0428
LDS3897

105' : 09320-0111
CHR 174

106' : 09304-0101
J 1550

107' : 09261-0111
J 3291

115' : 09216-0243
FIL 21

119' : 09370-0239
TDS 544

120' : 09355-0134
TDS6669



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 09291-0246 : COMPONENTS
 
 
  A
B pa=4.2°
sep=65.73"
 
 
09291-0246 A
 
 
Componente originario normalizzato AB Name Tau1 Hya Coord arcsec 2000 092908.84-024608.2 Mag 4.64
Spectral class F6V (yellow-white) PmRA 99.00 PmDE -3.0 SAO 136895
HIP 46509 Tycho2 4885-01568-1 HD 81997 HR 3759
GC 13080 BD BD-02 2901 Bayer Tau 1 Hydrae Bayer name Tau1 Hya
Flamsteed 31 Hydrae Flamsteed name 31 Hya
Tycho2
Tycho2 4885-01568-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 5.118 E BTmag 0.014 VTmag 4.640
E VTmag 0.009 Prox 657 TYC T HIP 46509
CCDM RAdeg 142.28684639 DEdeg -2.76895583 EpRA 1990 1.96
EpDE 1990 1.86 E RAdeg 3.3 E DEdeg 3.6 Posflg
Corr 0.2
SAO
SAO 136895 DelFlag RA1950 PmRA1950 0.0084
DE1950 PmDE1950 -0.018 Vmag 4.8 SpType F5
Double code Source 70 CatNum 13080 DM BD-02 2901
DMcomp BDsup HD 81997 M HD 0
GC 13080 RA1950rad 2.47230382 DE1950rad -0.0444964 PmRA2000 0.0086
PmDE2000 -0.015
Hipparcos
Catalog H HIP 46509 Proxy RAhms 09 29 08.84
DEdms -02 46 08.2 Vmag 4.59 VarFlag R Vmag G
RAdeg 142.287 DEdeg -2.76896 AstroRef Plx 58.48
CCDM 09291-0246 N CCDM I Nsys 1 Ncomp 1
MultFlag X Source Qual S M HIP
Theta Rho HD 81997 BD BD-02 2901
CD CP Dm number -02 2901 VIred 0.52
SpType F6V R SpType Coord arcsec 2000 092908.84-024608.2
Hipparcos 2
HIP 46509 Sn 1 So 2 Nc 1
RArad 2.4833736311 DErad -0.0483273987 Plx 57.69 PmRA 99.01
PmDE -2.67 E RArad 2.07 E DErad 1.25 E Plx 2.14
E pmRA 2.34 E pmDE 1.39 Hpmag 4.6967 E Hpmag 0.0005
SHp 0.006 VA 0 BV 0.411 E BV 0.015
VI 0.52
CCDM
Ccdm 09291-0246 RComp Comp A Note1
Note2 Discov num DRAs 2.90 DDEs -8.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 4.9 Sp F5 PmNote *
PmRA 130 PmDE -20 Dm number -02 2901 Cat1 BD
Name2 -02 517 Cat2 AGK2/3 HD 81997 M HD
ADS BDS B 5109 M ADS BDS N IDS IDS 09240S0220A
HIC 46509
 
 
09291-0246 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 092909.16-024502.6 Mag 7.28 Spectral class K0 (yellow-orange)
PmRA 142.00 PmDE -17.0 Tycho2 4885-01567-1 Calc delta mag 2.64
Calc coord yes
Tycho2
Tycho2 4885-01567-1 Pflag RAmdeg 142.28846774 DEmdeg -2.75078947
PmRA 142.2 PmDE -17.3 E RAmdeg 5 E DEmdeg 6
E pmRA 1.2 E pmDE 1.1 EpRAm 1991.70 EpDEm 1991.49
Num 12 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.1
Q pmDE 1.5 BTmag 8.287 E BTmag 0.017 VTmag 7.283
E VTmag 0.011 Prox 657 TYC T HIP
CCDM RAdeg 142.28815000 DEdeg -2.75075056 EpRA 1990 1.97
EpDE 1990 1.89 E RAdeg 4.8 E DEdeg 6.3 Posflg
Corr 0.1
CCDM
Ccdm 09291-0246 RComp Comp B Note1
Note2 Discov num HJ 1167 DRAs 3.32 DDEs 56.7
R dRAs 10 Year 1821 Theta 003 Rho 65.7
Obs 13 Vmag 7.9 Sp PmNote
PmRA PmDE Dm number -02 2902 Cat1 BD
Name2 -02 518 Cat2 AGK2/3 HD M HD
ADS BDS B 5109 M ADS BDS N IDS IDS 09240S0220B
HIC