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Sistem koordinat ekuator - Riwayat revisi
2026-09-15T22:25:06Z
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Maintenance script: Presentation V4: sitasi, referensi, Math, Wikimedia Commons, dan atribusi
2026-08-27T04:05:15Z
<p>Presentation V4: sitasi, referensi, Math, Wikimedia Commons, dan atribusi</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Revisi sebelumnya</td>
<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revisi per 27 Agustus 2026 04.05</td>
</tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l6">Baris 6:</td>
<td colspan="2" class="diff-lineno">Baris 6:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Lihat pula ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Lihat pula ==</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat bola|Sistem koordinat Bola]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat bola|Sistem koordinat Bola]]</div></td></tr>
<tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l14">Baris 14:</td>
<td colspan="2" class="diff-lineno">Baris 13:</td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat polar|Sistem koordinat Polar]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat polar|Sistem koordinat Polar]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat silinder|Sistem koordinat]] [[Sistem koordinat silinder|Silinder]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>* [[Sistem koordinat silinder|Sistem koordinat]] [[Sistem koordinat silinder|Silinder]]</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"></del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">== Referensi ==</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* Winardi Sutantyo; ''Astrofisika Mengenal Bintang''; Bandung: Penerbit ITB, 1984.</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://stars.astro.illinois.edu/celsph.html MEASURING THE SKY A Quick Guide to the Celestial Sphere] James B. Kaler, University of Illinois</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://astro.unl.edu/naap/motion1/cec_units.html Celestial Equatorial Coordinate System] University of Nebraska-Lincoln</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">* [http://astro.unl.edu/naap/motion1/cec_both.html Celestial Equatorial Coordinate Explorers] University of Nebraska-Lincoln</del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Sumber dan atribusi ==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Sumber dan atribusi ==</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Konten artikel ini diadaptasi dari [https://id.wikipedia.org/w/index.php?title=Sistem+koordinat+ekuator&oldid=27891201 Wikipedia bahasa Indonesia], revisi 27891201 (2025-09-27T05:02:31Z), yang tersedia berdasarkan lisensi Creative Commons Atribusi-BerbagiSerupa (CC BY-SA). Mohon gunakan konten ini secara bijak serta sesuai dengan ketentuan lisensi yang berlaku.</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>Konten artikel ini diadaptasi dari [https://id.wikipedia.org/w/index.php?title=Sistem+koordinat+ekuator&oldid=27891201 Wikipedia bahasa Indonesia], revisi 27891201 (2025-09-27T05:02:31Z), yang tersedia berdasarkan lisensi Creative Commons Atribusi-BerbagiSerupa (CC BY-SA). Mohon gunakan konten ini secara bijak serta sesuai dengan ketentuan lisensi yang berlaku.</div></td></tr>
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Maintenance script: Impor teks terkontrol dari Wikipedia bahasa Indonesia; revisi 27891201; atribusi sumber disertakan.
2026-08-27T03:38:20Z
<p>Impor teks terkontrol dari Wikipedia bahasa Indonesia; revisi 27891201; atribusi sumber disertakan.</p>
<p><b>Halaman baru</b></p><div>'''Sistem koordinat ekuator''' barangkali adalah sistem koordinat langit yang paling sering digunakan. Sistem koordinat ini merupakan sistem koordinat yang bersifat [[geosentrik]]. Mirip dengan [[sistem koordinat geografi]] yang dinyatakan dalam [[bujur]] dan [[lintang]], sistem koordinat ekuator dinyatakan dalam [[asensio rekta]] dan [[deklinasi]]. Kedua sistem koordinat tersebut menggunakan [[bidang fundamental]] yang sama, dan kutub-kutub yang sama. [[Ekuator langit]] sebenarnya adalah perpotongan perpanjangan bidang ekuator [[Bumi]] pada [[bola langit]], dan kutub-kutub langit sebenarnya merupakan perpanjangan poros [[rotasi Bumi]] (yang melewati kutub-kutub Bumi) pada bola langit.<br />
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Seperti halnya bujur, asensio rekta dihitung sepanjang lingkaran yang sejajar ekuator. Asensio rekta dihitung ke arah timur mulai dari [[titik Aries]] atau titik [[Vernal Ekuinok]] yang merupakan salah satu titik perpotongan antara bidang [[ekliptika]] dan ekuator langit, tempat [[Matahari]] berada pada tanggal [[21 Maret]] (lihat gambar). Asensio rekta dilambangkan dengan "<math>\alpha</math>", kadang-kadang disebut juga RA (dari bahasa Inggris '''''R'''ight '''A'''scension'') dan dinyatakan dalam satuan sudut (jam, menit, detik), dengan 1 jam = 15 derajat / 24 jam = 360 derajat. Dalam pengamatan praktis sering kali harga ini tidak diketahui bahkan harus ditentukan sehingga digunakan besaran lain yang bersifat lokal, yaitu [[sudut jam]] atau HA (dari bahasa Inggris '''''H'''our '''A'''ngle'').<br />
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Seperti halnya lintang, deklinasi diukur dari [[ekuator]] ke arah [[kutub]]. Deklinasi bernilai [[positif]] bila benda langit yang diamati berada di belahan langit utara, dan [[negatif]] bila benda langit yang diamati berada di [[Belahan Bumi selatan|belahan bumi selatan]]. Deklinasi dilambangkan dengan "<math>\delta</math>" dan dinyatakan dalam satuan sudut (derajat, menit, detik).<br />
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== Lihat pula ==<br />
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* [[Sistem koordinat]]<br />
* [[Sistem koordinat bola|Sistem koordinat Bola]]<br />
* [[Sistem koordinat Cartesius]]<br />
* [[Sistem koordinat ekliptika|Sistem koordinat]] [[Sistem koordinat ekliptika|Ekliptika]]<br />
* [[Sistem koordinat geografi|Sistem koordinat Geografi]]<br />
* [[Sistem koordinat polar|Sistem koordinat Polar]]<br />
* [[Sistem koordinat silinder|Sistem koordinat]] [[Sistem koordinat silinder|Silinder]]<br />
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== Referensi ==<br />
* Winardi Sutantyo; ''Astrofisika Mengenal Bintang''; Bandung: Penerbit ITB, 1984.<br />
* [http://stars.astro.illinois.edu/celsph.html MEASURING THE SKY A Quick Guide to the Celestial Sphere] James B. Kaler, University of Illinois<br />
* [http://astro.unl.edu/naap/motion1/cec_units.html Celestial Equatorial Coordinate System] University of Nebraska-Lincoln<br />
* [http://astro.unl.edu/naap/motion1/cec_both.html Celestial Equatorial Coordinate Explorers] University of Nebraska-Lincoln<br />
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== Sumber dan atribusi ==<br />
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Konten artikel ini diadaptasi dari [https://id.wikipedia.org/w/index.php?title=Sistem+koordinat+ekuator&oldid=27891201 Wikipedia bahasa Indonesia], revisi 27891201 (2025-09-27T05:02:31Z), yang tersedia berdasarkan lisensi Creative Commons Atribusi-BerbagiSerupa (CC BY-SA). Mohon gunakan konten ini secara bijak serta sesuai dengan ketentuan lisensi yang berlaku.</div>
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