30 Cap
30 Cap
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30 Cap is a B-type (Blue-White) star. It carries the designation 30 Cap.
Located approximately 533.8 light-years from Earth, 30 Cap resides within the broader disk of our Milky Way galaxy.
30 Cap is classified as a spectral class B star (B-type (Blue-White)) on the Harvard spectral classification system.
With an apparent magnitude of +5.40, 30 Cap sits near the limit of naked-eye visibility. It can be glimpsed without optical aid under dark skies, but binoculars will make observation much easier. Observers will note its blue hue, which corresponds to a B-V color index of -0.118.
Sifat Fisik
| Kelas Spektral | B Class B — B-type (Blue-White) |
| Indeks Warna (B−V) | -0,118 |
Pengamatan
| Magnitudo Semu | +5.40 |
| Magnitudo Mutlak | -0,67 |
| Jarak | 534 ly |
Posisi
| Asensio Rekta | 21h 17,95m |
| Deklinasi | -17° 59,11′ |
Frequently Asked Questions
What type of star is 30 Cap?
30 Cap is a Class B — B-type (Blue-White) star.
How far is 30 Cap from Earth?
30 Cap is approximately 533.8 light-years from Earth.
Can you see 30 Cap with the naked eye?
With an apparent magnitude of 5.40, 30 Cap is visible to the naked eye.