Archivo de imágenes de Hubble
Polaris A y Polaris Ab
CreditsNASA, ESA, N. Evans (Harvard-Smithsonian CfA), and H. Bond (STScI)
- Fecha
- Jan 1, 2006
- Misión
- Hubble Space Telescope
- ID de archivo
- hubblesite-images-2006-02-1847-image
Credits
NASA, ESA, N. Evans (Harvard-Smithsonian CfA), and H. Bond (STScI)Detalles de la imagen
| About The Object | |
|---|---|
| Object Name | Polaris, Alpha Ursae Minoris, North Star |
| Object Description | Triple Star System |
| R.A. Position | 02h 31m 49s.08 |
| Dec. Position | +89° 15' 50".8 |
| Constellation | Ursa Minor |
| Distance | The distance to the star system is 430 light-years or 132 parsecs. |
| Dimensions | Polaris (star Aa) and star Ab are on average18.5 Astronomical Units from each other. Polaris (star Aa) and star B are on average 2,400 Astronomical Units from each other. |
| About The Data | |
| Data Description | The Hubble image was created from HST data from proposal : N.R. Evans (Harvard Smithsonian/CfA), H.E. Bond (STScI), G. Bono (INAF, Osservatorio Astronomico di Roma), M. Karovska (Harvard Smithsonian/CfA), E. Nelan (STScI), D.D. Sasselov (Harvard University), and G. Schaefer (STScI). |
| Instrument | HST>ACS/HRC |
| Exposure Dates | August 2-3, 2005 |
| Filters | F220W (Near UV) |
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Fuente
La imagen y el material de referencia se acreditan al archivo oficial de la misión enlazado a continuación.
Ver en NASA.gov