Achernar
star in the constellation Eridanus
Adnoddau allanol
| dynodwr Freebase | |
| dynodwr Encyclopædia Britannica Online | |
| Gran Enciclopèdia Catalana ID | |
| dynodwr Gran Enciclopèdia Catalana | |
| dynodwr SIMBAD | |
| Store norske leksikon ID | |
| Den Store Danske ID | |
| Great Russian Encyclopedia Online ID (old version) | 1842369 enwyd fel: АХЕРНАР |
| French Vikidia ID | |
| Online PWN Encyclopedia ID | |
| Vikidia article ID | |
| De Agostini ID | Achernar enwyd fel: Achernar |
màs
6.7 solar mass[5]
cod catalogio
α Eri
catalog: Bayer designation
WEB 1623[4]
catalog: Vitesses radiales. Catalogue WEB: Wilson Evans Batten. Radial velocities: The Wilson-Evans-Batten catalogue
70 Eri
catalog: Flamsteed designation
is-wrthrych seryddol
Alpha Eridani II[7]
pellter o'r Ddaear
44.0917107583774 parsec[8]
flattening
0.75[9]
stellar rotational velocity
260 cilometr yr eiliad[10]
paralacs
23.39±0.57 milliarcsecond[11]
declination component of proper motion
−38.24±0.5 milliarcsecond per year[11]
right ascension component of proper motion
87±0.58 milliarcsecond per year[11]
cyflymder rheiddiol
18.6±3 cilometr yr eiliad[12]
type of variable star
Lambda Eridani variable
spectral class
B6Vpe[13]
goleuedd
1,076 solar luminosity
maintioli safonol
−2.77
radiws
7.3 solar radius[16]
ar restr sylw'r prosiect Wikimedia
Wikipedia:Vital articles/Level/4
pwynt mewn amser: 31 Hydref 2022
esgyniad
24.428522833 degree[11]
gogwydd
−57.236752806 degree[11]
tymheredd effeithiol
15,000 Kelvin[13]
surface gravity
3,980 centimetre per square second[18]
age estimated by a dating method
37.3 megaannum
categori Comin
Achernar
Cyfeiriadau
- ↑ Freebase Data Dumps, 28 Hydref 2013
- ↑ https://encyklopedia.pwn.pl/haslo/Achernar;3865486.html
- ↑ The close-in companion of the fast rotating Be star Achernar
- ↑ 4.00 4.01 4.02 4.03 4.04 4.05 4.06 4.07 4.08 4.09 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 4.25 4.26 4.27 4.28 4.29 4.30 4.31 4.32 SIMBAD
- ↑ https://dx.doi.org/10.1051%2F0004-6361%3A200809765
- ↑ inferred from equatorial coordinates
- ↑ Alpha Eridani II
- ↑ https://raw.githubusercontent.com/astronexus/HYG-Database/master/hygxyz.csv
- ↑ https://eso.org/public/unitedkingdom/news/eso0316/
- ↑ TESS observations of Be stars: a new interpretation, SIMBAD
- ↑ 11.0 11.1 11.2 11.3 11.4 Validation of the new Hipparcos reduction, SIMBAD
- ↑ Pulkovo Compilation of Radial Velocities for 35 495 Hipparcos stars in a common system, SIMBAD
- ↑ 13.0 13.1 Spectroscopic analysis of southern B and Be stars, SIMBAD
- ↑ The HYG Database
- ↑ Catalogue of Stellar Photometry in Johnson's 11-color system, SIMBAD
- ↑ https://dx.doi.org/10.1086%2F586895
- ↑ Validation of the new Hipparcos reduction
- ↑ Spectroscopic analysis of southern B and Be stars