NGC 48
| NGC 48 | |
|---|---|
 | |
| Data arsylwi (J2000 epoc) | |
| Cytser | Andromeda |
| Esgyniad cywir | 00h 14m 02.2s[1] |
| Gogwyddiad | +48° 14′ 05″[1] |
| Rhuddiad | 0.005924[1] |
| Cyflymder rheiddiol helio | 1776 ± 8 km/e[1] |
| Pellter | 79.3 Mly[2] |
| Maint ymddangosol (V) | 14.4[1] |
| Nodweddion | |
| Math | SABbc[1] |
| Maint ymddangosol (V) | 1.4' x 0.9'[1] |
| Dynodiadau eraill | |
| PGC 929 | |
Mae NGC48 yn alaeth droellog barrog tua 79.3 miliwn o flynyddoedd golau o Gysawd yr Haul yng nghytser Andromeda.[2]
Gweler hefyd
[golygu | golygu cod]- Galaeth droellog barrog
- Rhestr gwrthrychau NGC (1–1000)
- Andromeda (cytser)
Cyfeiriadau
[golygu | golygu cod]- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "NASA/IPAC Extragalactic Database". Results for NGC 0048. Cyrchwyd 2010-05-05.
- ↑ 2.0 2.1 An object's distance from Earth can be determined using Hubble's law: v=Ho is Hubble's constant (70±5 (km/s)/Mpc). The relative uncertainty Δd/d divided by the distance is equal to the sum of the relative uncertainties of the velocity and v=Ho
Dolenni allanol
[golygu | golygu cod]- NGC 48 ar WiciAwyr: DSS2, SDSS, GALEX, IRAS, Hydrogen α, Pelydr-x, Sêr-lun, Map Awyr, Erthyglau a delweddau
