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Doubles in session


Current system
04226+2538
ITO 23 BC


Nearby doubles
9' : 04220+2538
DAM 761

10' : 04219+2538
LDS1165

14' : 04236+2543
LDS5550

23' : 04236+2520
LDS1167

25' : 04233+2516
POU 444

32' : 04246+2556
LDS5552

36' : 04252+2545
TOK 247

38' : 04236+2503
MTZ 2

39' : 04243+2506
POU 447

43' : 04257+2545
LDS5557

44' : 04247+2610
KSA 17

45' : 04237+2456
ITO 25

51' : 04237+2450
POU 445

54' : 04202+2457
POU 439

54' : 04253+2618
WHT 1AB

61' : 04271+2542
THB 1

62' : 04181+2538
LDS1163AB

63' : 04222+2641
LDS5547

65' : 04269+2607
LEI 2AB

67' : 04271+2606
KSA 19AB

72' : 04278+2525
OCC9090

74' : 04206+2429
COU 704AB

74' : 04174+2559
LDS5533

75' : 04181+2621
TDS2814

78' : 04223+2655
KSA 16

79' : 04170+2557
LDS1160



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 04226+2538 : COMPONENTS
 
 
  A B C D
B pa=24.1°
sep=19.51"
 
C pa=353.3°
sep=12.88"
pa=242.1°
sep=10.72"
 
D pa=4.4°
sep=10.31"
pa=223.7°
sep=10.40"
pa=137.7°
sep=3.39"
 
E pa=354.9°
sep=16.69"
pa=262.9°
sep=9.53"
pa=0.3°
sep=3.84"
pa=340.4°
sep=6.73"
 
 
04226+2538 A
 
 
Name Chi Tau Coord arcsec 2000 042234.94+253745.5 Mag 5.37 Spectral class B9Vnn (blue-white)
PmRA 20.00 PmDE -17.0 SAO 76573 HIP 20430
Tycho2 1820-01416-1 HD 27638 HR 1369 GC 5292
BD BD+25 707 Bayer Chi Tauri Bayer name Chi Flamsteed 59 Tauri
Flamsteed name 59 Tau
Tycho2
Tycho2 1820-01416-1 Pflag RAmdeg 65.64559588 DEmdeg 25.62931476
PmRA 19.6 PmDE -17.3 E RAmdeg 4 E DEmdeg 4
E pmRA 0.8 E pmDE 0.8 EpRAm 1991.30 EpDEm 1991.06
Num 23 Q RAmdeg 0.8 Q DEmdeg 0.8 Q pmRA 0.6
Q pmDE 0.6 BTmag 5.339 E BTmag 0.014 VTmag 5.372
E VTmag 0.009 Prox 194 TYC T HIP 20430
CCDM RAdeg 65.64554639 DEdeg 25.62935556 EpRA 1990 1.77
EpDE 1990 1.50 E RAdeg 3.5 E DEdeg 3.9 Posflg
Corr -0.1
SAO
SAO 76573 DelFlag RA1950 PmRA1950 0.0013
DE1950 PmDE1950 -0.021 Vmag 5.4 SpType B9
Double code Source 70 CatNum 5292 DM BD+25 707
DMcomp BDsup HD 27638 M HD 0
GC 5292 RA1950rad 1.13243353 DE1950rad 0.44528618 PmRA2000 0.0012
PmDE2000 -0.023
Hipparcos
Catalog H HIP 20430 Proxy RAhms 04 22 34.93
DEdms +25 37 45.7 Vmag 5.38 VarFlag 1 R Vmag H
RAdeg 65.6455 DEdeg 25.6294 AstroRef Plx 12.19
CCDM 04226+2538 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 27638 BD BD+25 707
CD CP Dm number +25 707 VIred -0.02
SpType B9V R SpType Coord arcsec 2000 042234.93+253745.7
Hipparcos 2
HIP 20430 Sn 5 So 0 Nc 1
RArad 1.1457308677 DErad 0.4473166785 Plx 11.2 PmRA 19.42
PmDE -17.16 E RArad 0.24 E DErad 0.15 E Plx 0.27
E pmRA 0.28 E pmDE 0.19 Hpmag 5.3693 E Hpmag 0.0023
SHp 0.013 VA 2 BV -0.041 E BV 0.008
VI -0.02
CCDM
Ccdm 04226+2538 RComp Comp A Note1
Note2 Discov num DRAs -1.04 DDEs -14.1
R dRAs 10 Year Theta Rho
Obs 2 Vmag 5.5 Sp B9 PmNote *
PmRA 29 PmDE -11 Dm number +25 707 Cat1 BD
Name2 +25 420 Cat2 AGK2/3 HD 27638 M HD
ADS BDS A 3161 M ADS BDS N IDS IDS 04165N2524A
HIC 20430
 
 
04226+2538 B
 
 
Coord arcsec 2000 042235.53+253803.3 Coord calc 042235.53+253803.3 Mag 6.94 Spectral class F8V (yellow-white)
PmRA 32.00 PmDE 3.0 Calc delta mag 1.57
CCDM
Ccdm 04226+2538 RComp Comp B Note1
Note2 Discov num STF 528 DRAs -0.45 DDEs 3.5
R dRAs 91 Year 1830 Theta 024 Rho 19.4
Obs 20 Vmag 7.6 Sp PmNote *
PmRA 29 PmDE -11 Dm number Cat1
Name2 +25 421 Cat2 AGK2/3 HD M HD
ADS BDS A 3161 M ADS BDS N IDS IDS 04165N2524B
HIC
 
 
04226+2538 C
 
 
Coord arcsec 2000 042234.83+253758.3 Mag 12.54 Calc delta mag 7.17 Calc coord yes
 
 
04226+2538 D
 
 
Coord arcsec 2000 042235.00+253755.8 Mag 13.29 Calc delta mag 7.92 Calc coord yes
 
 
04226+2538 E
 
 
Coord arcsec 2000 042234.83+253802.1 Mag 14.96 Calc delta mag 9.59 Calc coord yes