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Doubles in session


Current system
00491+5749
STF 60 BF


Nearby doubles
14' : 00490+5802
TDS1629

24' : 00469+5735
TDS1610AB

27' : 00503+5725
STI1442

27' : 00465+5731
MLR 651

30' : 00492+5720
A 921AB

30' : 00522+5805
TDS1646

32' : 00479+5819
TDS1615

35' : 00483+5823
STI1429

37' : 00513+5717
TDS1638

37' : 00472+5716
TDS 29

40' : 00492+5830
J 2385

45' : 00434+5750
MLR 649

47' : 00548+5759
STI1471

47' : 00437+5807
STI1419AB

49' : 00531+5713
ES 552

49' : 00486+5701
STI1432

50' : 00514+5705
ES 1868AB

51' : 00429+5742
A 916

51' : 00429+5738
ES 404

52' : 00533+5711
STI1463AB

53' : 00555+5800
ES 1771

53' : 00557+5748
ES 405

54' : 00426+5736
ES 1806

54' : 00513+5840
GIC 14

55' : 00425+5735
TDS1575

56' : 00450+5833
BKO 138



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 00491+5749 : COMPONENTS
 
 
  A Ab B C D E F G H I
Ab pa=134.0°
sep=5.11"
 
B pa=315.5°
sep=12.89"
pa=315.1°
sep=18.00"
 
C pa=259.5°
sep=225.06"
pa=260.5°
sep=228.07"
pa=256.7°
sep=218.12"
 
D pa=354.0°
sep=189.44"
pa=353.0°
sep=193.38"
pa=356.6°
sep=179.53"
pa=41.3°
sep=305.24"
 
E pa=126.2°
sep=65.96"
pa=125.5°
sep=60.90"
pa=127.7°
sep=78.70"
pa=89.6°
sep=274.57"
pa=162.2°
sep=238.78"
 
F pa=275.9°
sep=378.98"
pa=276.4°
sep=383.02"
pa=274.6°
sep=369.14"
pa=297.1°
sep=175.08"
pa=247.3°
sep=386.97"
pa=280.3°
sep=437.24"
 
G pa=258.5°
sep=419.80"
pa=259.1°
sep=422.72"
pa=257.0°
sep=412.91"
pa=257.3°
sep=194.80"
pa=235.2°
sep=476.58"
pa=264.5°
sep=466.83"
pa=195.6°
sep=127.25"
 
H pa=355.4°
sep=701.08"
pa=355.1°
sep=704.92"
pa=356.1°
sep=691.24"
pa=12.6°
sep=757.94"
pa=355.9°
sep=511.72"
pa=351.6°
sep=745.82"
pa=25.9°
sep=733.38"
pa=24.4°
sep=858.92"
 
I pa=72.6°
sep=90.27"
pa=69.7°
sep=87.94"
pa=79.4°
sep=96.81"
pa=77.5°
sep=314.86"
pa=146.8°
sep=193.02"
pa=26.5°
sep=73.71"
pa=91.5°
sep=463.22"
pa=77.5°
sep=509.66"
pa=168.1°
sep=686.68"
 
J pa=261.6°
sep=237.17"
pa=262.6°
sep=240.33"
pa=259.0°
sep=229.81"
pa=295.5°
sep=14.78"
pa=223.9°
sep=309.57"
pa=270.9°
sep=287.93"
pa=117.3°
sep=160.30"
pa=74.5°
sep=183.40"
pa=193.6°
sep=754.75"
pa=259.1°
sep=326.62"
 
 
00491+5749 A
 
 
Common name Achird Meaning first applied to ? Cassiopeiae in the Skalnate Pleso Atlas of the Heavens published in 1950, but is not known prior to that. Other names MARFAK Coord arcsec 2000 004906.29+574854.7
Mag 3.52 Spectral class G1V (yellow) PmRA 114.00 PmDE -57.0
SAO 21732 HIP 3821 Tycho2 3663-02669-1 HD 4614
HR 219 GC 962 BD BD+57 150 Bayer Eta Cassiopeiae
Bayer name eta Cas Flamsteed 24 Cassiopeiae Flamsteed name 24 Cas
Tycho2
Tycho2 3663-02669-1 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 4.142 E BTmag 0.014 VTmag 3.518
E VTmag 0.009 Prox 129 TYC T HIP 3821
CCDM A RAdeg 12.27143833 DEdeg 57.81649972 EpRA 1990 1.58
EpDE 1990 1.56 E RAdeg 3.1 E DEdeg 3.1 Posflg
Corr 0.3
SAO
SAO 21732 DelFlag RA1950 PmRA1950 0.1368
DE1950 PmDE1950 -0.521 Vmag 3.6 SpType F8
Double code Source 70 CatNum 962 DM BD+57 150
DMcomp BDsup HD 4614 M HD 0
GC 962 RA1950rad 0.20097791 DE1950rad 1.00445227 PmRA2000 0.1377
PmDE2000 -0.529
Hipparcos
Catalog H HIP 3821 Proxy RAhms 00 49 05.10
DEdms +57 48 59.6 Vmag 3.46 VarFlag 1 R Vmag H
RAdeg 12.2713 DEdeg 57.8165 AstroRef A Plx 167.99
CCDM 1087.11 - N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 313 Rho 12.49 HD BD BD+57 150
CD CP Dm number +57 150 VIred 0.65
SpType G0V SB R SpType Coord arcsec 2000 004905.10+574859.6
Hipparcos 2
HIP 3821 Sn 17 So 3 Nc 2
RArad 0.2141737695 DErad 1.0090891165 Plx 167.98 PmRA 1086.59
PmDE -559.43 E RArad 0.3 E DErad 0.27 E Plx 0.48
E pmRA 0.4 E pmDE 0.33 Hpmag E Hpmag 0.0024
SHp 0.009 VA 2 BV 0.587 E BV 0.003
VI 0.66
CCDM
Ccdm 00491+5749 RComp Comp A Note1
Note2 Discov num DRAs -0.28 DDEs -0.8
R dRAs 10 Year Theta Rho
Obs 8 Vmag 3.6 Sp F8 PmNote *
PmRA 1108 PmDE -510 Dm number +57 150 Cat1 BD
Name2 +57 81 Cat2 AGK2/3 HD 4614 M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717A
HIC 3821
 
 
00491+5749 Ab
 
 
Coord arcsec 2000 004906.75+574851.1 Delta magnitude 3.52 Coordinate calculated yes
 
 
00491+5749 B
 
 
Coord arcsec 2000 004905.16+574903.9 Coord calc 004905.16+574903.9 Mag 7.36 Spectral class K7V (yellow-orange)
PmRA 115.00 PmDE -47.0 Delta magnitude 3.84
CCDM
Ccdm 00491+5749 RComp Comp B Note1 *
Note2 Discov num STF 60 DRAs DDEs
R dRAs Year 1959 Theta Rho
Obs 99 Vmag 7.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717B
HIC
 
 
00491+5749 C
 
 
Coord arcsec 2000 004838.60+574813.7 Mag 11.4 PmRA 0.00 PmDE 0.0
Delta magnitude 7.88 Coordinate calculated yes
CCDM
Ccdm 00491+5749 RComp Comp C Note1
Note2 Discov num STF 60 DRAs -27.53 DDEs -46.3
R dRAs 65 Year 1922 Theta 238 Rho 158.9
Obs 2 Vmag 11.4 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717C
HIC
 
 
00491+5749 D
 
 
Coord arcsec 2000 004903.81+575203.1 Mag 12.8 PmRA 0.00 PmDE 0.0
Delta magnitude 9.28 Coordinate calculated yes
CCDM
Ccdm 00491+5749 RComp Comp D Note1
Note2 Discov num STF 60 DRAs -0.60 DDEs 175.8
R dRAs 65 Year 1921 Theta 030 Rho 159.6
Obs 2 Vmag 11.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717D
HIC
 
 
00491+5749 E
 
 
Coord arcsec 2000 004912.95+574815.7 Mag 10.15 PmRA 0.00 PmDE 0.0
Delta magnitude 6.63 Coordinate calculated yes
CCDM
Ccdm 00491+5749 RComp Comp E Note1
Note2 Discov num STF 60 DRAs 10.01 DDEs -56.8
R dRAs 65 Year 1921 Theta 120 Rho 190.6
Obs 6 Vmag 9.0 Sp PmNote
PmRA PmDE Dm number +57 155 Cat1 BD
Name2 Cat2 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717E
HIC
 
 
00491+5749 F
 
 
Coord arcsec 2000 004819.10+574933.6 Coord calc 004819.10+574933.6 Mag 11.53 PmRA -3.00
PmDE -2.0 Tycho2 3663-01484-1 Delta magnitude 8.01
Tycho2
Tycho2 3663-01484-1 Pflag RAmdeg 12.07959919 DEmdeg 57.82600727
PmRA -10.0 PmDE 0.3 E RAmdeg 121 E DEmdeg 118
E pmRA 4.1 E pmDE 4.5 EpRAm 1978.64 EpDEm 1981.49
Num 3 Q RAmdeg 0.9 Q DEmdeg 0.4 Q pmRA 0.9
Q pmDE 0.4 BTmag 13.351 E BTmag 0.238 VTmag 11.746
E VTmag 0.099 Prox 999 TYC HIP
CCDM RAdeg 12.07964361 DEdeg 57.82600639 EpRA 1990 1.59
EpDE 1990 1.62 E RAdeg 131.5 E DEdeg 126.2 Posflg
Corr 0.3
CCDM
Ccdm 00491+5749 RComp Comp F Note1
Note2 Discov num STF 60 DRAs -46.83 DDEs 34.3
R dRAs 65 Year 1913 Theta 268 Rho 281.7
Obs 1 Vmag 11.2 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717F
HIC
 
 
00491+5749 G
 
 
Coord arcsec 2000 004814.82+574731.0 Mag 9.53 PmRA 1.00 PmDE -1.0
SAO 21730 HIP 3809 Tycho2 3663-01096-1 HD 236533
BD BD+57 151 Delta magnitude 6.01 Coordinate calculated yes
Tycho2
Tycho2 3663-01096-1 Pflag RAmdeg 12.06895191 DEmdeg 57.78688998
PmRA 9.0 PmDE -5.4 E RAmdeg 9 E DEmdeg 9
E pmRA 1.7 E pmDE 1.7 EpRAm 1990.93 EpDEm 1990.98
Num 8 Q RAmdeg 0.7 Q DEmdeg 1.6 Q pmRA 0.7
Q pmDE 1.6 BTmag 9.808 E BTmag 0.018 VTmag 9.526
E VTmag 0.016 Prox 999 TYC T HIP
CCDM RAdeg 12.06891278 DEdeg 57.78690333 EpRA 1990 1.58
EpDE 1990 1.64 E RAdeg 9.0 E DEdeg 8.7 Posflg
Corr 0.3
SAO
SAO 21730 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 0.003 Vmag 8.1 SpType K7
Double code Source 38 CatNum 657 DM BD+57 151
DMcomp BDsup HD 236533 M HD 0
GC RA1950rad 0.2008733 DE1950rad 1.0076645 PmRA2000 -0.0001
PmDE2000 -0.002
Hipparcos
Catalog H HIP 3809 Proxy RAhms 00 48 57.85
DEdms +58 00 26.2 Vmag 8.22 VarFlag R Vmag H
RAdeg 12.241 DEdeg 58.0073 AstroRef Plx 2.31
CCDM -4.51 N CCDM I Nsys 2 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 236533 BD BD+57 151
CD CP Dm number +57 151 VIred 1.63
SpType K7 R SpType Coord arcsec 2000 004857.85+580026.2
Hipparcos 2
HIP 3809 Sn 5 So 0 Nc 1
RArad 0.2136461651 DErad 1.0124178534 Plx 1.69 PmRA -4.68
PmDE -0.85 E RArad 0.48 E DErad 0.47 E Plx 0.85
E pmRA 0.73 E pmDE 0.6 Hpmag E Hpmag 0.0013
SHp 0.018 VA 0 BV 1.673 E BV 0.036
VI 1.7
CCDM
Ccdm 00491+5749 RComp Comp G Note1
Note2 Discov num STF 60 DRAs -49.53 DDEs -107.5
R dRAs 65 Year 1915 Theta 243 Rho 339.2
Obs 4 Vmag 8.9 Sp A5 PmNote *
PmRA 2 PmDE 26 Dm number +56 129 Cat1 BD
Name2 +57 80 Cat2 AGK2/3 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717G
HIC
 
 
00491+5749 H
 
 
Coord arcsec 2000 004859.25+580033.5 Mag 8.41 PmRA -1.00 PmDE 0.0
Tycho2 3663-02614-1 Delta magnitude 4.89 Coordinate calculated yes
Tycho2
Tycho2 3663-02614-1 Pflag RAmdeg 12.24099563 DEmdeg 58.00726802
PmRA -5.6 PmDE -0.7 E RAmdeg 6 E DEmdeg 6
E pmRA 1.2 E pmDE 1.3 EpRAm 1990.93 EpDEm 1991.11
Num 13 Q RAmdeg 0.8 Q DEmdeg 0.7 Q pmRA 0.8
Q pmDE 0.7 BTmag 10.471 E BTmag 0.025 VTmag 8.405
E VTmag 0.011 Prox 999 TYC T HIP 3809
CCDM RAdeg 12.24101972 DEdeg 58.00727000 EpRA 1990 1.61
EpDE 1990 1.62 E RAdeg 6.0 E DEdeg 6.1 Posflg
Corr 0.3
CCDM
Ccdm 00491+5749 RComp B Comp H Note1
Note2 Discov num STF 60 DRAs -8.22 DDEs 685.8
R dRAs 65 Year 1928 Theta 2 Rho 648.0
Obs 1 Vmag 8.6 Sp K7 PmNote *
PmRA -7 PmDE 21 Dm number +57 151 Cat1 BD
Name2 +57 82 Cat2 AGK2/3 HD M HD
ADS BDS A 671 M ADS BDS N IDS IDS 00430N5717H
HIC 3809
 
 
00491+5749 I
 
 
Coord arcsec 2000 004917.07+574921.7 Mag 11.6 PmRA 6.00 PmDE 3.0
Tycho2 3663-00284-1 Delta magnitude 8.08 Coordinate calculated yes
Tycho2
Tycho2 3663-00284-1 Pflag RAmdeg 12.32837841 DEmdeg 57.82084484
PmRA 6.1 PmDE 3.3 E RAmdeg 92 E DEmdeg 78
E pmRA 3.3 E pmDE 3.3 EpRAm 1979.84 EpDEm 1983.95
Num 4 Q RAmdeg 0.1 Q DEmdeg 0.2 Q pmRA 0.1
Q pmDE 0.2 BTmag 12.345 E BTmag 0.120 VTmag 11.688
E VTmag 0.095 Prox 750 TYC HIP
CCDM RAdeg 12.32835167 DEdeg 57.82083722 EpRA 1990 1.56
EpDE 1990 1.67 E RAdeg 99.7 E DEdeg 82.1 Posflg
Corr 0.3
 
 
00491+5749 J
 
 
Coord arcsec 2000 004836.93+574820.1 Mag 12.3 HIP 3825 BD BD-21 119
Delta magnitude 8.78 Coordinate calculated yes
Hipparcos
Catalog H HIP 3825 Proxy RAhms 00 49 06.22
DEdms -21 09 03.8 Vmag 7.04 VarFlag 1 R Vmag G
RAdeg 12.2759 DEdeg -21.1511 AstroRef Plx 4.06
CCDM -24.22 N CCDM Nsys Ncomp 1
MultFlag G Source Qual M HIP
Theta Rho HD BD BD-21 119
CD CP Dm number -21 119 VIred 0.91
SpType K0/1III +G R SpType Coord arcsec 2000 004906.22-210903.8
Hipparcos 2
HIP 3825 Sn 5 So 1 Nc 1
RArad 0.2142554964 DErad -0.3691555059 Plx 5.87 PmRA -19.99
PmDE -34.97 E RArad 0.72 E DErad 0.73 E Plx 1.01
E pmRA 1.19 E pmDE 0.78 Hpmag E Hpmag 0.0017
SHp 0.014 VA 2 BV 0.907 E BV 0.002
VI 0.91