रोहिणी तारा vs Kornephoros
Kornephoros shows +2.78 to the eye where रोहिणी तारा shows +0.87, about 5.8 times less light. Intrinsically the balance shifts: रोहिणी तारा carries an absolute magnitude of −0.68 against −0.37 for Kornephoros, making it about 1.3 times more luminous once distance is removed from the comparison. Spectroscopically रोहिणी तारा resolves as a K-type star in Taurus and Kornephoros as a G-type star in Hercules.
Property comparison
| Property | रोहिणी तारा | Kornephoros |
|---|---|---|
| पदनाम | 87Alp Tau | 27Bet Her |
| नक्षत्रमंडल | Taurus | Hercules |
| वर्णक्रम वर्ग | Class K — K-type (Orange) | Class G — G-type (Yellow) |
| आभासी परिमाण | +0.87 | +2.78 |
| निरपेक्ष परिमाण | -0.68 | -0.37 |
| दूरी | 66.6 ly | 139 ly |
| द्रव्यमान | N/A | N/A |
| त्रिज्या | N/A | N/A |
| तापमान | N/A | N/A |
| दीप्तिमानता | N/A | N/A |
Full data for each star: रोहिणी तारा · Kornephoros
Key differences
Key Differences
- ◆ Both are evolved yellow-orange giant stars and the brightest in their respective constellations.
- ◆ Kornephoros is the brightest star in Hercules despite its Beta designation.
- ◆ Aldebaran is slightly more evolved with a larger radius (~44 R☉) versus Kornephoros (~17 R☉).
- ◆ Aldebaran is closer at ~65 light-years; Kornephoros is ~139 light-years away.
- ◆ Aldebaran lies in front of the Hyades cluster but is unrelated; Kornephoros is an isolated giant.