Intermediate spiral galaxy
In this article, we will explore the fascinating world of Intermediate spiral galaxy and its implications on modern society. From its origins to its impact today, Intermediate spiral galaxy has been the subject of debate, discussion and constant interest. Over the years, Intermediate spiral galaxy has proven its relevance in various fields, from politics to science to popular culture. Through this comprehensive analysis, we will seek to better understand the importance of Intermediate spiral galaxy in today's world and how it has shaped the way we think, act, and relate to the environment around us. Join us on this journey of discovery and reflection about Intermediate spiral galaxy.
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An intermediate spiral galaxy is a galaxy that is in between the classifications of a barred spiral galaxy and an unbarred spiral galaxy. It is designated as SAB in the galaxy morphological classification system devised by Gerard de Vaucouleurs.[1] Subtypes are labeled as SAB0, SABa, SABb, or SABc, following a sequence analogous to the Hubble sequence for barred and unbarred spirals. The subtype (0, a, b, or c) is based on the relative prominence of the central bulge and how tightly wound the spiral arms are.
Examples
| Example | Type | Image | Information | Notes |
|---|---|---|---|---|
| SAB0- | SAB0- is a type of lenticular galaxy | |||
| SAB0 | SAB0 is a type of lenticular galaxy | |||
| SAB0+ | SAB0+ is a type of lenticular galaxy | |||
| SAB0/a | SAB0/a can also be considered a type of intermediate lenticular galaxy | |||
| Messier 65 | SABa | 
|
M65 is an "SAB(rs)a" | |
| NGC 4725 | SABab | 
|
NGC 4725 is an "SAB(r)ab pec" | |
| Messier 66 | SABb | 
|
M66 is an "SAB(s)b" | |
| Messier 106 | SABbc | 
|
M106 is an "SAB(s)bc" | |
| Sculptor Galaxy | SABc | 
|
Sculptor is an "SAB(s)c" | |
| NGC 2403 | SABcd | 
|
NGC 2403 is an "SAB(s)cd" | |
| SABd | ||||
| SABdm | SABdm can also be considered a type of intermediate Magellanic spiral | |||
| NGC 4625 | SABm | 
|
SABm is a type of Magellanic spiral (Sm) | NGC 4625 is an "SAB(rs)m pec" |
| Fireworks Galaxy | SAB(rs)cd | 
|
NGC 4625 is an "SAB(rs)cd" |
References
- ^ de Vaucouleurs, Gerard (1963). "Revised Classification of 1500 Bright Galaxies". Astrophysical Journal Supplement. 8: 31. Bibcode:1963ApJS....8...31D. doi:10.1086/190084.
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