PWs fotografisches Doppelstern Projekt / PWs Photographic Doublestar Project

66-Alpha Gem 'Castor'

66-Alpha Gem 'Castor'


WDS07346+3153
RA07 34 36
Dec+31 53 20
Sternbild/ConstellationGem, Gemini / Zwillinge / Twins      Foto/Photo 66-Alpha Gem 'Castor'
Bmkg./Note-



Komponenten
Components
Abstand "
Separation "
Mag 1 Mag 2 Positionswinkel
Position angle
AB
AC
AD
BC
4,2
71
185,2
69,5
1,93
1,93
1,93
2,9
2,97
9,83
10,07
8,7
62
164
222
164



WDS notes: STF1110 Alpha Gem or Castor. According to R.G. Aitken (A__1935f), this was disvocered in 1719 by Bradley and Pound. Mt. Wilson spectral types A2,A2,M1. P = 467yr., a = 6.80", motion retrograde. A and B are both spectroscopic binaries, and C is the eclipsing binary


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