| A | Ab | B | Bb | C | |
| Ab | pa=296.8° sep=0.01" | ||||
| B | pa=77.1° sep=3.14" | pa=77.2° sep=3.14" | |||
| Bb | pa=77.1° sep=3.13" | pa=77.1° sep=3.14" | pa=306.0° sep=0.00" | ||
| C | pa=163.3° sep=70.57" | pa=163.3° sep=70.57" | pa=165.9° sep=70.43" | pa=165.9° sep=70.43" | |
| D | pa=216.5° sep=168.64" | pa=216.5° sep=168.64" | pa=217.2° sep=171.03" | pa=217.2° sep=171.03" | pa=240.6° sep=138.45" |
| Common name | Castor | Meaning | beaver (Castor) | Other names | Apollo, Castore | Coord arcsec 2000 | 073435.86+315317.8 | ||||
| Mag | 1.93 | Spectral class | A1V (white) | PmRA | -206.00 | PmDE | -148.0 | ||||
| SAO | 60198 | HIP | 36850 | Tycho2 | 2457-02407-1 | HD | 60179 | ||||
| HR | 2891 | GC | 10120 | ADS | 6175 | BD | BD+32 1581 | ||||
| Bayer | Alpha Geminorum | Bayer name | Alp Gem | Flamsteed | 66 Geminorum | Flamsteed name | 66 Gem |
| SAO | 60198 | DelFlag | RA1950 | PmRA1950 | -0.0134 | ||||||
| DE1950 | PmDE1950 | -0.102 | Vmag | 1.6 | SpType | A0 | |||||
| Double code | Source | 74 | CatNum | 287 | DM | BD+32 1581 | |||||
| DMcomp | BDsup | HD | 60178 | M HD | 9 | ||||||
| GC | 10120 | RA1950rad | 1.96965162 | DE1950rad | 0.55850087 | PmRA2000 | -0.0135 | ||||
| PmDE2000 | -0.098 |
| Catalog | H | HIP | 36850 | Proxy | H | RAhms | 07 34 36.00 | ||||
| DEdms | +31 53 19.1 | Vmag | 1.58 | VarFlag | R Vmag | G | |||||
| RAdeg | 113.65 | DEdeg | 31.8886 | AstroRef | A | Plx | 63.27 | ||||
| CCDM | 07346+3153 | N CCDM | I | Nsys | 1 | Ncomp | 2 | ||||
| MultFlag | C | Source | Qual | C | M HIP | AB | |||||
| Theta | 76 | Rho | 3.124 | HD | 60179 | BD | BD+32 1581 | ||||
| CD | CP | Dm number | +32 1581 | VIred | 0.05 | ||||||
| SpType | A2Vm | R SpType | Coord arcsec 2000 | 073436.00+315319.1 |
| HIP | 36850 | Sn | 15 | So | 3 | Nc | 2 | ||||
| RArad | 1.9835670383 | DErad | 0.5565616766 | Plx | 64.12 | PmRA | -191.45 | ||||
| PmDE | -145.19 | E RArad | 3.3 | E DErad | 2.63 | E Plx | 3.75 | ||||
| E pmRA | 3.95 | E pmDE | 2.95 | Hpmag | 1.5811 | E Hpmag | 0.0009 | ||||
| SHp | 0.005 | VA | 0 | BV | 0.034 | E BV | 0.002 | ||||
| VI | 0.05 |
| Ccdm | 07346+3153 | RComp | Comp | A | Note1 | ||||||
| Note2 | Discov num | DRAs | -0.01 | DDEs | 18.4 | ||||||
| R dRAs | 10 | Year | Theta | Rho | |||||||
| Obs | 4 | Vmag | 2.0 | Sp | A0 | PmNote | * | ||||
| PmRA | -171 | PmDE | -103 | Dm number | +32 1581 | Cat1 | BD | ||||
| Name2 | +31 789 | Cat2 | AGK2/3 | HD | 60179 | M HD | |||||
| ADS BDS | A 6175 | M ADS BDS | N IDS | IDS | 07282N3206A | ||||||
| HIC | 36850 |
| Coord arcsec 2000 | 073435.86+315317.8 | Calc delta mag | 1.93 | Calc coord | yes |
| Coord arcsec 2000 | 073436.10+315318.5 | Coord calc | 073436.10+315318.5 | Mag | 2.97 | Spectral class | A4Vm (white) | ||||
| PmRA | -206.00 | PmDE | -146.0 | Tycho2 | 2457-02407-2 | HD | 60178 | ||||
| HR | 2890 | ADS | 6175 | DM | BD+32 1581 | Flamsteed | 66 Geminorum | ||||
| Flamsteed name | 66 Gem | FK5 | 287 | Calc delta mag | 1.04 |
| Ccdm | 07346+3153 | RComp | Comp | B | Note1 | * | |||||
| Note2 | Discov num | STF1110 | DRAs | DDEs | |||||||
| R dRAs | Year | 1826 | Theta | Rho | |||||||
| Obs | 99 | Vmag | 2.9 | Sp | A0 | PmNote | |||||
| PmRA | PmDE | Dm number | Cat1 | ||||||||
| Name2 | Cat2 | HD | 60178 | M HD | |||||||
| ADS BDS | A 6175 | M ADS BDS | N IDS | IDS | 07282N3206B | ||||||
| HIC | 36850 |
| Coord arcsec 2000 | 073436.10+315318.5 | Calc delta mag | 1.93 | Calc coord | yes |
| Var name | YY Gem | Coord arcsec 2000 | 073437.45+315210.2 | Coord calc | 073437.45+315210.2 | Mag | 9.83 | ||||
| Spectral class | M0Ve (red) | PmRA | -203.00 | PmDE | -97.0 | ADS | 6175 | ||||
| DM | BD+32 1582 | Calc delta mag | 7.9 |
| Ccdm | 07346+3153 | RComp | Comp | C | Note1 | ||||||
| Note2 | Discov num | STF1110 | DRAs | 1.39 | DDEs | -50.9 | |||||
| R dRAs | 10 | Year | 1835 | Theta | 164 | Rho | 72.5 | ||||
| Obs | 99 | Vmag | 8.8 | Sp | M1 | PmNote | * | ||||
| PmRA | -210 | PmDE | -112 | Dm number | +32 1582 | Cat1 | BD | ||||
| Name2 | +31 790 | Cat2 | AGK2/3 | HD | M HD | ||||||
| ADS BDS | A 6175 | M ADS BDS | N IDS | IDS | 07282N3206C | ||||||
| HIC |
| Coord arcsec 2000 | 073427.98+315102.3 | Mag | 10.07 | PmRA | -5.00 | PmDE | 0.0 | ||||
| Tycho2 | 2453-00454-1 | ADS | 6175 | DM | BD+32 1580 | Calc delta mag | 8.14 | ||||
| Calc coord | yes |
| Tycho2 | 2453-00454-1 | Pflag | RAmdeg | 113.60965063 | DEmdeg | 31.85004642 | |||||
| PmRA | -5.4 | PmDE | 0.1 | E RAmdeg | 25 | E DEmdeg | 27 | ||||
| E pmRA | 1.4 | E pmDE | 1.4 | EpRAm | 1983.21 | EpDEm | 1981.74 | ||||
| Num | 9 | Q RAmdeg | 0.8 | Q DEmdeg | 1.0 | Q pmRA | 0.9 | ||||
| Q pmDE | 1.0 | BTmag | 11.312 | E BTmag | 0.079 | VTmag | 10.069 | ||||
| E VTmag | 0.041 | Prox | 999 | TYC | T | HIP | |||||
| CCDM | RAdeg | 113.60966500 | DEdeg | 31.85003722 | EpRA 1990 | 1.77 | |||||
| EpDE 1990 | 1.68 | E RAdeg | 32.0 | E DEdeg | 36.0 | Posflg | |||||
| Corr | 0.2 |
| Ccdm | 07346+3153 | RComp | Comp | D | Note1 | ||||||
| Note2 | Discov num | STF1110 | DRAs | -9.66 | DDEs | -118.8 | |||||
| R dRAs | 10 | Year | 1902 | Theta | 222 | Rho | 204.4 | ||||
| Obs | 2 | Vmag | Sp | PmNote | * | ||||||
| PmRA | 4 | PmDE | -23 | Dm number | +32 1580 | Cat1 | BD | ||||
| Name2 | +31 787 | Cat2 | AGK2/3 | HD | M HD | ||||||
| ADS BDS | A 6175 | M ADS BDS | N IDS | IDS | 07282N3206D | ||||||
| HIC |