रोहिणी तारा vs स्वाति तारा
| गुण | रोहिणी तारा | स्वाति तारा |
|---|---|---|
| पदनाम | 87Alp Tau | 16Alp Boo |
| नक्षत्रमंडल | Taurus | N/A |
| वर्णक्रम वर्ग | Class K — K-type (Orange) | Class K — K-type (Orange) |
| आभासी परिमाण | +0.87 | -0.05 |
| निरपेक्ष परिमाण | -0.68 | -0.31 |
| दूरी | 66.6 ly | 36.7 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 orange K-type giants that have evolved off the main sequence.
- ◆ Arcturus is the brightest star in the northern celestial hemisphere at magnitude −0.05.
- ◆ Aldebaran is larger at ~44 R☉ versus Arcturus at ~25 R☉.
- ◆ Arcturus is much closer at 36.7 light-years; Aldebaran is about 65 light-years away.
- ◆ Arcturus has an unusually high proper motion and may be a remnant of a disrupted dwarf galaxy.