8. B5
The spectral type is determined from the ratio of Si II 4128-4130 to He I 4144. The luminosity class is determined from the appearance of the wings of the hydrogen lines.
Star | MKK | a | m | HD | |
Per...... | B5 III | 03:35 | +47°28' | 3.1 | B5 |
CMa.... | B5 I | 07:20 | -29 06 | 2.4 | B5p |
Hya.... | B5 V | 09:35 | -13 53 | 5.0 | B3 |
Her...... | B5 IV | 16:16 | +46 33 | 3.9 | B5 |
67 Oph... | B5 I-II | 17:55 | +02 56 | 3.9 | B5p |
High resolution image |