Details on Acronym: Arm | |
| Arm | (Arm feature) |
| Write: | <<NAME Arm W N in M 31>> |
| N: | 7+7 |
| Object: | Arm (SIMBAD class: PartofG = Part of a Galaxy) |
| Note: | In the format 'W N' stands for: 'N 1' to 'N 7' and 'S 1' to 'S 7' where N and S refer to arms on the North following and South preceding sides of the major axis. These arms were also studied by Baade in 1963 (Evolution of stars and galaxies). |
| in source: | M 31 = NGC 224 |
| Ref: | =1964ApJ...139.1045A |
| by | ARP H.C. |
| Astrophys. J., 139, 1045-1057 (1964) | |
| Spiral structure in M 31. | |
| o | <NAME Arm W N in M 31> (Nos N 1 to N 7) and (Nos S 1 to S 7) |
| Origin | of the Acronym: L = Found in the literature |
Details on Acronym: Arm | |
| Arm | (Arm feature) |
| Write: | <<NAME Arm W R in M 33>> |
| N: | 5+5 |
| Object: | Arm (SIMBAD class: PartofG = Part of a Galaxy) |
| Note: | In the format 'W R' stands for: 'N I' to 'N V' and 'S I' to 'S V' where N and S refer to arms on the North following and South preceding sides of the major axis |
| in source: | M 33 = NGC 598 |
| Ref: | =1980ApJ...236L...1S |
| by | SANDAGE A. , HUMPHREYS R.A. |
| Astrophys. J., 236, 1-5 (1980) | |
| On the warped optical plane of M 33. | |
| o | <NAME Arm W R in M 33> (Nos N I to N V) and (Nos S I to S V) |
| Origin | of the Acronym: L = Found in the literature |