Alpha Doradus: Perbedaan antara revisi
Konten dihapus Konten ditambahkan
k Robot: Perubahan kosmetika |
k Bot: Perubahan kosmetika |
||
| Baris 16: | Baris 16: | ||
|dec_a_m = 02 |
|dec_a_m = 02 |
||
|dec_a_s = 41.91 |
|dec_a_s = 41.91 |
||
|radec_a_footnote = |
|radec_a_footnote =<ref name=viziera/> |
||
|ra_b_h = 04 |
|ra_b_h = 04 |
||
|ra_b_m = 33 |
|ra_b_m = 33 |
||
| Baris 23: | Baris 23: | ||
|dec_b_m = 02 |
|dec_b_m = 02 |
||
|dec_b_s = 42.39 |
|dec_b_s = 42.39 |
||
|radec_b_footnote = |
|radec_b_footnote =<ref name=vizierb/> |
||
|appmag_v_a=3.8<ref name=bsc2 /> |
|appmag_v_a=3.8<ref name=bsc2 /> |
||
|appmag_v_b=4.3<ref name=bsc2 /> |
|appmag_v_b=4.3<ref name=bsc2 /> |
||
| Baris 39: | Baris 39: | ||
|parallax = 19.34 |
|parallax = 19.34 |
||
|p_error = 0.31 |
|p_error = 0.31 |
||
|parallax_footnote = |
|parallax_footnote =<ref name=aaa474_2_653/> |
||
|absmag_v=–0.38 <small>(dikombinasikan)</small><ref>Dari magnitudo semu dan paralaks.</ref> |
|absmag_v=–0.38 <small>(dikombinasikan)</small><ref>Dari magnitudo semu dan paralaks.</ref> |
||
|mass_a={{nowrap|3.33 ± 0.10}}<ref name=aaa334_181/> |
|mass_a={{nowrap|3.33 ± 0.10}}<ref name=aaa334_181/> |
||
Revisi per 21 Desember 2018 04.02
Alpha Doradus (Alpha Dor, α Doradus, α Dor) adalah bintang paling terang yang ad di rasi bintang Dorado. Dengan menggunakan sistem paralaks, jarak ke bintang ini dihitung sebesar 169 tahun cahaya (52 parsec).[6]
Bintang ini merupakan sistem bintang biner[8] dengan magnitudo semu bervariasi dari 3.26 - 3.30,[4] membuatnya menjadi bintang biner yang paling terang.[10]
Referensi
- ^ a b c HIP 21281, record for component 1, Hipparcos catalogue; CDS ID I/239.
- ^ a b c HIP 21281, record for component 2, Hipparcos catalogue; CDS ID I/239.
- ^ a b c d e f g HR 1465, database entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50. Accessed on line September 3, 2008.
- ^ a b alf Dor, database entry, The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 3, 2008.
- ^ a b V* alf Dor -- Variable Star, database entry, SIMBAD. Accessed on line September 3, 2008.
- ^ a b van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752
. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.
- ^ a b c d e f North, P. (1998), "Do SI stars undergo any rotational braking?", Astronomy and Astrophysics, 334: 181–187, arXiv:astro-ph/9802286 , Bibcode:1998A&A...334..181N
- ^ a b c d e Kaler, James B., Stars, diakses tanggal 2012-03-04
- ^ "Entry 04340-5503", Sixth Catalog of Orbits of Visual Binary Stars, United States Naval Observatory, diakses tanggal 2008-09-03
- ^ Heintz, W. D. (1984), "Note on the orbit of alpha Doradus", The Observatory, 104: 88–89, Bibcode:1984Obs...104...88H
 | Artikel bertopik astronomi ini adalah sebuah rintisan. Anda dapat membantu Wikipedia dengan mengembangkannya. |