प्रॉक्सिमा सेन्टॉरी vs Rigil Kentaurus
| गुण | प्रॉक्सिमा सेन्टॉरी | Rigil Kentaurus |
|---|---|---|
| पदनाम | N/A | Alp1Cen |
| नक्षत्रमंडल | Centaurus | Centaurus |
| वर्णक्रम वर्ग | Class M — M-type (Red) | Class G — G-type (Yellow) |
| आभासी परिमाण | +11.01 | -0.01 |
| निरपेक्ष परिमाण | 15.45 | 4.38 |
| दूरी | 4.2 ly | 4.3 ly |
| द्रव्यमान | N/A | N/A |
| त्रिज्या | N/A | N/A |
| तापमान | N/A | N/A |
| दीप्तिमानता | N/A | N/A |
मुख्य अंतर
- ◆ Both are members of the Alpha Centauri system, the nearest stellar system to the Sun.
- ◆ Rigil Kentaurus (Alpha Cen A) is a G-type solar analog; Proxima Centauri is an M-type red dwarf.
- ◆ Rigil Kentaurus is slightly more massive and luminous than the Sun; Proxima Centauri has just 12% of the Sun's mass.
- ◆ Proxima Centauri orbits the Alpha Centauri AB pair at a vast distance of roughly 0.2 light-years.
- ◆ Rigil Kentaurus is visible to the naked eye at magnitude −0.01; Proxima is invisible without a telescope.