व्याध तारा vs अभिजित् तारा
| गुण |
व्याध तारा
|
अभिजित् तारा
|
| पदनाम |
9Alp CMa |
3Alp Lyr |
| नक्षत्रमंडल |
Canis Major |
Lyra |
| वर्णक्रम वर्ग |
Class A — A-type (White) |
Class A — A-type (White) |
| आभासी परिमाण |
-1.44 |
+0.03 |
| निरपेक्ष परिमाण |
1.45
|
0.60
|
| दूरी |
8.6 ly |
25.0 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 brilliant white A-type stars and among the most prominent in the northern sky.
- ◆ Sirius is the brightest star overall at magnitude −1.46; Vega is the fifth-brightest at magnitude 0.03.
- ◆ Sirius is 8.6 light-years away; Vega is 25 light-years from the Sun.
- ◆ Vega was the original zero-point for stellar magnitude; Sirius sets the scale of brightness.
- ◆ Sirius has a white dwarf companion; Vega has a prominent debris disk but no known companion.