रोहिणी तारा vs ज्येष्ठा तारा
| गुण | रोहिणी तारा | ज्येष्ठा तारा |
|---|---|---|
| पदनाम | 87Alp Tau | 21Alp Sco |
| नक्षत्रमंडल | Taurus | Scorpius |
| वर्णक्रम वर्ग | Class K — K-type (Orange) | Class M — M-type (Red) |
| आभासी परिमाण | +0.87 | +1.06 |
| निरपेक्ष परिमाण | -0.68 | -5.09 |
| दूरी | 66.6 ly | 554 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 prominent red giant/supergiant stars that appear orange-red in the sky and are often compared.
- ◆ Antares is a true red supergiant at ~680 R☉; Aldebaran is a more modest orange giant at ~44 R☉.
- ◆ Antares is about 604 light-years away; Aldebaran is much closer at ~65 light-years.
- ◆ Antares is a supernova candidate; Aldebaran is not massive enough to end as a supernova.
- ◆ Aldebaran appears to be in the Hyades cluster but is actually an unrelated foreground star.