Aldebaran vs Antares
| Thuộc Tính | Aldebaran | Antares |
|---|---|---|
| Ký Hiệu | 87Alp Tau | 21Alp Sco |
| Chòm Sao | Taurus | Scorpius |
| Phân Loại Quang Phổ | Class K — K-type (Orange) | Class M — M-type (Red) |
| Cấp Sao Biểu Kiến | +0.87 | +1.06 |
| Cấp Sao Tuyệt Đối | -0,68 | -5,09 |
| Khoảng Cách | 66.6 ly | 554 ly |
| Khối Lượng | N/A | N/A |
| Bán Kính | N/A | N/A |
| Nhiệt Độ | N/A | N/A |
| Độ Sáng | N/A | N/A |
Sự Khác Biệt Chính
- ◆ 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.