WDS 00491+5749 : COMPONENTS
 
 
  A B C D E F G H I
B pa=315.5°
sep=12.89"
 
C pa=250.8°
sep=124.80"
pa=245.2°
sep=119.86"
 
D pa=356.8°
sep=188.70"
pa=359.5°
sep=179.21"
pa=25.1°
sep=253.24"
 
E pa=143.8°
sep=55.08"
pa=142.2°
sep=67.86"
pa=91.3°
sep=150.51"
pa=169.5°
sep=236.77"
 
F pa=275.9°
sep=378.98"
pa=274.6°
sep=369.14"
pa=287.1°
sep=271.22"
pa=247.8°
sep=395.51"
pa=281.5°
sep=418.00"
 
G pa=249.1°
sep=234.55"
pa=246.1°
sep=229.69"
pa=247.1°
sep=109.86"
pa=217.4°
sep=342.72"
pa=261.1°
sep=254.78"
pa=127.8°
sep=199.98"
 
H pa=357.5°
sep=699.47"
pa=358.3°
sep=689.95"
pa=6.8°
sep=745.02"
pa=357.8°
sep=510.80"
pa=355.2°
sep=745.86"
pa=27.7°
sep=745.18"
pa=13.6°
sep=804.92"
 
I pa=59.5°
sep=53.24"
pa=72.0°
sep=57.72"
pa=67.5°
sep=177.31"
pa=160.8°
sep=170.97"
pa=10.6°
sep=72.65"
pa=91.6°
sep=422.98"
pa=67.3°
sep=287.17"
pa=173.6°
sep=676.08"
 
J pa=254.5°
sep=129.69"
pa=249.3°
sep=123.95"
pa=311.9°
sep=9.54"
pa=207.1°
sep=250.65"
pa=273.6°
sep=157.87"
pa=106.3°
sep=262.58"
pa=62.5°
sep=106.14"
pa=187.3°
sep=739.57"
pa=250.2°
sep=181.63"
 
 
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 00491+5749 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 313 Rho 12.49 HD 4614 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 3.5835 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 B
 
 
Coord arcsec 2000 004905.16+574903.9 Coord calc 004905.16+574903.9 Mag 7.36 Spectral class K7V (yellow-orange)
PmRA 111.00 PmDE -49.0 Calc delta mag 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 004851.54+574813.7 Mag 11.4 Calc delta mag 7.88 Calc coord 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 004904.97+575203.1 Mag 12.8 PmRA 0.00 PmDE 0.0
Calc delta mag 9.28 Calc coord 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 004910.37+574810.3 Mag 10.15 PmRA 0.00 PmDE 0.0
Calc delta mag 6.63 Calc coord 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 Calc delta mag 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 004838.87+574731.0 Mag 9.53 PmRA 1.00 PmDE -1.0
Calc delta mag 6.01 Calc coord yes
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 004902.54+580033.5 Mag 8.41 PmRA -1.00 PmDE 0.0
Calc delta mag 4.89 Calc coord yes
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 004912.03+574921.7 Mag 11.6 PmRA 6.00 PmDE 3.0
Calc delta mag 8.08 Calc coord yes
 
 
00491+5749 J
 
 
Coord arcsec 2000 004850.65+574820.1 Mag 12.3 Calc delta mag 8.78 Calc coord yes