Phi Andromedae: Perbedaan antara revisi
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'''Phi Andromedae |
'''Phi Andromedae (φ Andromedae / φ And)''' adalah [[bintang ganda]] yang berada di dekat perbatasan rasi [[Andromeda (rasi bintang)|Andromeda]], berada pada jarak 736 [[tahun cahaya]] dari [[Bumi]]. Bintang ini memiliki [[magnitudo]] 4.26. |
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== [[Bintang ganda]] == |
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Komponen primer, '''φ And A''', adalah bintang subraksasa biru keputihan tipe B (''blue-white B-type subgiant'') dengan [[magnitudo]] 4.6<sup>m</sup>. Pasangannya, '''φ And B''', adalah [[bintang katai]] biru keputihan tipe B (''blue-white B-type main sequence dwarf'') dengan [[magnitudo]] 5.6<sup>m</sup>. Kedua komponen ini terpisah dengan jarak 0.64 [[arcsecond]] dan memiliki periode orbit 371.6 tahun. [[Magnitudo]] kombinasinya adalah 4.26<sup>m</sup>. |
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! nama lain |
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! asal bahasa |
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! arti |
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| 軍南門 || [[Arab]] || sisi perawan yang dirantai |
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<ref>{{Cite book |
<ref>{{Cite book |
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|last=Allen |
|last=Allen |
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|year=1899 |
|year=1899 |
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|title=Star-names and Their Meanings |
|title=Star-names and Their Meanings |
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|url=https://archive.org/details/starnamesandthe00allegoog |
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|publisher=G. E. Stechart |
|publisher=G. E. Stechart |
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|location=New York |
|location=New York |
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|ref-id=Allen |
|ref-id=Allen |
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}} p.39.</ref> |
}} p.39.</ref> |
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Pada [[Almagest]], bintang ini disebut sebagai ''Quae in pede dextro'', berarti "yang berada di kaki kanan (sang putri yang dirantai)".<ref>http://www.atlascoelestis.com/alsufi%2020.htm</ref> |
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== Double star == |
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The primary component, '''φ And A''', is a blue-white [[stellar classification|B-type]] [[subgiant]] with an [[apparent magnitude]] of 4.6<sup>m</sup>. The companion star, '''φ And B''', is a blue-white B-type [[main sequence|main sequence dwarf]] with an apparent magnitude of 5.6<sup>m</sup>. The two stars are separated by 0.64 [[arcsecond]]s and have an orbital period of 371.6 years. The combined brightness of the system is 4.26<sup>m</sup>. |
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⚫ | | Cone<ref>{{Cite web |url=http://www.amastro2.org/at/as/asf.html |title=Salinan arsip |access-date=2009-08-27 |archive-date=2008-05-13 |archive-url=https://web.archive.org/web/20080513221514/http://www.amastro2.org/at/as/asf.html |dead-url=yes }}</ref> || || kerucut||[[Alpha Andromedae|α And]], [[Beta Andromedae|β And]], [[Gamma Andromedae|γ<sup>1</sup> And]], [[Delta Andromedae|δ And]], [[Mu Andromedae|μ And]] |
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| φ Andromedae C (BD+46 275A) || 01<sup>h</sup> 09<sup>m</sup> 30<sup>s</sup> || +47° 15' || || B6IV || [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=BD%2b46%20%20%20275A&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad] |
| φ Andromedae C (BD+46 275A) || 01<sup>h</sup> 09<sup>m</sup> 30<sup>s</sup> || +47° 15' || || B6IV || [http://simbad.u-strasbg.fr/simbad/sim-id?protocol=html&Ident=BD%2b46%20%20%20275A&NbIdent=1&Radius=2&Radius.unit=arcmin&submit=submit+id Simbad] |
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== Lokasi == |
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==Location== |
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This star's location in the constellation Andromeda can be seen in the following diagram: |
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== Referensi == |
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==References== |
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{{Reflist}} |
{{Reflist}} |
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== |
== Pranala luar == |
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* [http://www.alcyone.de/cgi-bin/search.pl?object=HR0335 HR 0335] {{Webarchive|url=https://web.archive.org/web/20100221083257/http://www.alcyone.de/cgi-bin/search.pl?object=HR0335 |date=2010-02-21 }} |
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* [http://www.alcyone.de/cgi-bin/search.pl?object=HR0335 HR 0335] |
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* [http://aladin.u-strasbg.fr/AladinPreview?-c=BD%2B46+++275A&ident=BD%2B46+++275A&submit=Aladin+previewer Image φ Andromedae] |
* [http://aladin.u-strasbg.fr/AladinPreview?-c=BD%2B46+++275A&ident=BD%2B46+++275A&submit=Aladin+previewer Image φ Andromedae] |
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* [http://www.astro.uiuc.edu/~kaler/sow/phiand.html www.astro.uiuc.edu/] |
* [http://www.astro.uiuc.edu/~kaler/sow/phiand.html www.astro.uiuc.edu/] {{Webarchive|url=https://web.archive.org/web/20061216203451/http://www.astro.uiuc.edu/~kaler/sow/phiand.html |date=2006-12-16 }} |
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* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%20335 HR 0335] |
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?HR%20335 HR 0335] |
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* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J01095%2b4715AB CCDM J01095+4715AB] |
* [http://webviz.u-strasbg.fr/viz-bin/VizieR-S?CCDM%20J01095%2b4715AB CCDM J01095+4715AB] |
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{{ |
{{Bintang And}} |
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[[Kategori:Rasi bintang Andromeda]] |
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{{var-star-stub}} |
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[[Category:Bayer objects|Andromedae, Phi]] |
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[[Category:Andromeda constellation]] |
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[[Category:Binary stars]] |
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[[Category:B-type main sequence stars]] |
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[[Category:B-type subgiants]] |
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[[Category:Emission-line stars]] |
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[[Category:HD and HDE objects|06811]] |
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[[Category:HIP objects|005434]] |
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[[ca:Fi Andromedae]] |
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[[es:Fi Andromedae]] |
Revisi terkini sejak 30 Desember 2022 03.22
Data pengamatan Epos J2000 Ekuinoks J2000 | |
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Rasi bintang | Andromeda |
Asensio rekta | 01h 09m 30.1255s |
Deklinasi | +47° 14' 30.453"' |
Magnitudo tampak (V) | 4.252 |
Ciri-ciri | |
Kelas spektrum | B7V |
Indeks warna U−B | -0.34 |
Indeks warna B−V | -0.07 |
Indeks warna R−I | -0.05 |
Jenis variabel | Emission-line Star |
Astrometri | |
Kecepatan radial (Rv) | -0.1 km/s |
Gerak diri (μ) | RA: 3.81 mdb/thn Dek.: -13.02 mdb/thn |
Paralaks (π) | 4,43±0,80 mdb |
Jarak | sekitar 700 tc (sekitar 230 pc) |
Magnitudo mutlak (MV) | 4.197 |
Detail | |
Massa | 18 M☉ |
Radius | 7 R☉ |
Luminositas | 20.000 L☉ |
Suhu | 10.000–30.000 K |
Rotasi | 71 Km/s 0,013684245239 Year |
Orbit bintang ganda visual | |
Bintang sekunder | φ Andromedae B |
Periode (P) | 371.6 tahun |
Sumbu semi-mayor (a) | 0.447" |
Eksentrisitas (e) | 0.21 |
Inklinasi (i) | 131° |
Bujur node (Ω) | 148.2° |
Epoch periastron (T) | 1889.9 |
Orbit bintang ganda visual | |
Bintang sekunder | φ Andromedae C |
Periode (P) | tahun |
Sumbu semi-mayor (a) | 10" |
Eksentrisitas (e) | |
Inklinasi (i) | 224° |
Bujur node (Ω) | ° |
Epoch periastron (T) | |
Orbit bintang ganda visual | |
Bintang sekunder | φ Andromedae D |
Periode (P) | tahun |
Sumbu semi-mayor (a) | 27.7" |
Eksentrisitas (e) | |
Inklinasi (i) | 64° |
Bujur node (Ω) | ° |
Epoch periastron (T) | |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Referensi basis data | |
SIMBAD | data |
Phi Andromedae (φ Andromedae / φ And) adalah bintang ganda yang berada di dekat perbatasan rasi Andromeda, berada pada jarak 736 tahun cahaya dari Bumi. Bintang ini memiliki magnitudo 4.26.
Komponen primer, φ And A, adalah bintang subraksasa biru keputihan tipe B (blue-white B-type subgiant) dengan magnitudo 4.6m. Pasangannya, φ And B, adalah bintang katai biru keputihan tipe B (blue-white B-type main sequence dwarf) dengan magnitudo 5.6m. Kedua komponen ini terpisah dengan jarak 0.64 arcsecond dan memiliki periode orbit 371.6 tahun. Magnitudo kombinasinya adalah 4.26m.
Etimologi
[sunting | sunting sumber]Sesuai asterisme-nya di astronomi Cina, 軍南門 / Jūnnánmén (Gerbang Militer Selatan), bintang ini diberikan nama tradisional Keun Nan Mun (berbagi nama dengan χ And) [1]
Pada Almagest, bintang ini disebut sebagai Quae in pede dextro, berarti "yang berada di kaki kanan (sang putri yang dirantai)".[2]
Selain rasi Andromeda, bintang ini juga merupakan anggota dari berbagai rasi atau asterisma berikut:
nama rasi / asterisma | asal | arti | anggota lainnya |
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軍南門 / Jūnnánmén | China | Gerbang Militer Selatan | tidak ada |
Cone[3] | kerucut | α And, β And, γ1 And, δ And, μ And |
Komponen
[sunting | sunting sumber]Nama | Right ascension | Declination | Apparent magnitude (V) | Spectral type | Database references |
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φ Andromedae C (BD+46 275A) | 01h 09m 30s | +47° 15' | B6IV | Simbad | |
φ Andromedae D (BD+46 275B) | 01h 09m 30s | +47° 15' | B9V | Simbad |
Lokasi
[sunting | sunting sumber]![](http://upload.wikimedia.org/wikipedia/commons/thumb/b/b3/Andromeda_stars.png/280px-Andromeda_stars.png)
Referensi
[sunting | sunting sumber]- ^ Allen, R. H. (1899). Star-names and Their Meanings. New York: G. E. Stechart. p.39.
- ^ http://www.atlascoelestis.com/alsufi%2020.htm
- ^ "Salinan arsip". Diarsipkan dari versi asli tanggal 2008-05-13. Diakses tanggal 2009-08-27.
Pranala luar
[sunting | sunting sumber]- HR 0335 Diarsipkan 2010-02-21 di Wayback Machine.
- Image φ Andromedae
- www.astro.uiuc.edu/ Diarsipkan 2006-12-16 di Wayback Machine.
- HR 0335
- CCDM J01095+4715AB