Alpha Arae: Perbedaan antara revisi
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| name = [[Bayer designation|α Arae]]}} |
| name = [[Bayer designation|α Arae]]}} |
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{{Starbox image |
{{Starbox image |
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| image = [[Berkas:Ara constellation map.png| |
| image = [[Berkas:Ara constellation map.png|jmpl|kiri|250px]] |
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| caption = α Arae (Choo) in the constellation Ara. |
| caption = α Arae (Choo) in the constellation Ara. |
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| parallax = 13.46 |
| parallax = 13.46 |
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| p_error = 0.95 |
| p_error = 0.95 |
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| parallax_footnote = |
| parallax_footnote =<ref name=sb0 /> |
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| absmag_v= −1.5<ref group=note>From apparent magnitude and parallax.</ref> |
| absmag_v= −1.5<ref group=note>From apparent magnitude and parallax.</ref> |
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}} |
}} |
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== Etimologi == |
== Etimologi == |
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[[Bintang]] ini memiliki nama tradisional '''Tchou''' atau '''Choo''', dari bahasa [[China]] 杵, atau [[Mandarin]] ''chǔ'', yang berarti "alat penumbuk". Nama lain dari para astronom terdahulu adalah |
[[Bintang]] ini memiliki nama tradisional '''Tchou''' atau '''Choo''', dari bahasa [[China]] 杵, atau [[Mandarin]] ''chǔ'', yang berarti "alat penumbuk". Nama lain dari para astronom terdahulu adalah: |
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== Pranala luar == |
== Pranala luar == |
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* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%206510 HR 6510], entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., [[Centre de Données astronomiques de Strasbourg|CDS]] ID [http://vizier.u-strasbg.fr/viz-bin/Cat?V/50 V/50]. |
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%206510 HR 6510], entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., [[Centre de Données astronomiques de Strasbourg|CDS]] ID [http://vizier.u-strasbg.fr/viz-bin/Cat?V/50 V/50]. |
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* [http://www.alcyone.de/cgi-bin/search.pl?object=HR6510 α Arae] at Alycone Software's Star Data Pages. |
* [http://www.alcyone.de/cgi-bin/search.pl?object=HR6510 α Arae] {{Webarchive|url=https://web.archive.org/web/20160304113618/http://www.alcyone.de/cgi-bin/search.pl?object=HR6510 |date=2016-03-04 }} at Alycone Software's Star Data Pages. |
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* [http://aladin.u-strasbg.fr/AladinPreview?-c=V*+alf+Ara&ident=V*+alf+Ara&submit=Aladin+previewer Image of Alpha Arae] from [[Aladin]]. |
* [http://aladin.u-strasbg.fr/AladinPreview?-c=V*+alf+Ara&ident=V*+alf+Ara&submit=Aladin+previewer Image of Alpha Arae] from [[Aladin]]. |
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{{bintang-stub}} |
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[[Kategori:Rasi bintang Ara]] |
[[Kategori:Rasi bintang Ara]] |
Revisi terkini sejak 28 Januari 2021 13.31
α Arae (Choo) in the constellation Ara. | |
Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
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Rasi bintang | Ara |
Asensio rekta | 17j 31m 50.4933d[1] |
Deklinasi | −49° 52′ 34.121″[1] |
Magnitudo tampak (V) | 2.76 to 2.90[2] |
Ciri-ciri | |
Kelas spektrum | B3Ve |
Indeks warna U−B | −0.69[2] |
Indeks warna B−V | −0.17[2] |
Indeks warna R−I | −0.24[2] |
Jenis variabel | BE[3] |
Astrometri | |
Kecepatan radial (Rv) | 0[1] km/s |
Gerak diri (μ) | RA: −31.27[1] mdb/thn Dek.: −67.15[1] mdb/thn |
Paralaks (π) | 13,46±0,95[1] mdb |
Jarak | 240 ± 20 tc (74 ± 5 pc) |
Magnitudo mutlak (MV) | −1.5[note 1] |
Detail | |
Massa | 9.6 M☉ |
Radius | 4.8 R☉ |
Luminositas (bolometrik) | 5,800 L☉ |
Suhu | 18,000 K |
Rotasi | 12 h[note 2] |
Kecepatan rotasi (v sin i) | 375 km/s |
Penamaan lain | |
Choo, Tchou, α Ara, Alpha Arae, Alpha Ara, HJ 4955A, 2MASS J17315049-4952341, AAVSO 1724-49, CCDM J17318-4953A, CD−49°11511, CPC 0 16300, CPD−49°10052, CSI-49 11511 21, EM* MWC 261, FK5 651, GC 23708, GCRV 10116, GSC 08350-02600, HD 158427, Hen 3-1417, HIP 85792, HR 6510, IDS 17241-4948 A, IRAS 17279-4950, JP11 2859, N30 3898, NSV 8999, PLX 3969.1, PPM 323069, ROT 2456, SAO 228069, TD1 20501, TYC 8350-2600-1, UBV 14909, UBV M 22215, uvby98 100158427 A, WDS 17318-4953A.[1] | |
Referensi basis data | |
SIMBAD | data |
Alpha Arae (Alpha Ara / α Arae / α Ara) merupakan bintang tercerah kedua di rasi Ara. Bintang ini memiliki jarak 242 tahun cahaya dari Bumi dan bermagnitudo 2.84.
Etimologi
[sunting | sunting sumber]Bintang ini memiliki nama tradisional Tchou atau Choo, dari bahasa China 杵, atau Mandarin chǔ, yang berarti "alat penumbuk". Nama lain dari para astronom terdahulu adalah:
nama lain | asal bahasa | arti |
---|---|---|
杵二 / Chǔèr | China / Mandarin | bintang kedua pada rasi Alat Penumbuk[4] |
Quae est in media arae (Almagest) | Latin | yang berada di tengah altar[5] |
Referensi
[sunting | sunting sumber]- ^ a b c d e f g V* alf Ara -- Eruptive variable Star, database entry, SIMBAD. Accessed on line November 26, 2008.
- ^ a b c d HR 6510, 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 November 26, 2008.
- ^ alf Ara, 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 November 26, 2008.
- ^ salah satu rasi bintang menurut bangsa Cina
- ^ http://www.ac-ilsestante.it/ASTRONOMIA/costellazioni/costellazioni_finestra_manuale/costellazione_ara/stelle/D06_ALPHA_ARAE.html
Pranala luar
[sunting | sunting sumber]- HR 6510, entry, The Bright Star Catalogue, 5th Revised Ed. (Preliminary Version), D. Hoffleit and W. H. Warren, Jr., CDS ID V/50.
- α Arae Diarsipkan 2016-03-04 di Wayback Machine. at Alycone Software's Star Data Pages.
- Image of Alpha Arae from Aladin.
Kesalahan pengutipan: Ditemukan tag <ref>
untuk kelompok bernama "note", tapi tidak ditemukan tag <references group="note"/>
yang berkaitan