Alpha Comae Berenices: Perbedaan antara revisi
←Membuat halaman berisi '{{Starbox begin | name = α Comae Berenices}} {{Starbox image | image = 200px | caption = [...' |
k v2.04b - Fixed using Wikipedia:ProyekWiki Cek Wikipedia (Tanda baca setelah kode "<nowiki></ref></nowiki>") |
||
(20 revisi perantara oleh 15 pengguna tidak ditampilkan) | |||
Baris 2: | Baris 2: | ||
| name = [[Bayer designation|α Comae Berenices]]}} |
| name = [[Bayer designation|α Comae Berenices]]}} |
||
{{Starbox image |
{{Starbox image |
||
| image = [[ |
| image = [[Berkas:Coma Berenices constellation map.png|200px]] |
||
| caption = [[Coma Berenices]] constellation}} |
| caption = [[Coma Berenices]] constellation}} |
||
{{Starbox observe |
{{Starbox observe |
||
Baris 10: | Baris 10: | ||
| ra = {{RA|13|09|59.2766}}<ref name=sb0>{{SIMBAD link|alf+com|NSV 6116 -- Variable Star}}, database entry, [[SIMBAD]]. Accessed on line [[September 3]], [[2008]].</ref> |
| ra = {{RA|13|09|59.2766}}<ref name=sb0>{{SIMBAD link|alf+com|NSV 6116 -- Variable Star}}, database entry, [[SIMBAD]]. Accessed on line [[September 3]], [[2008]].</ref> |
||
| dec = {{DEC|+17|31|45.953}}<ref name=sb0 /> |
| dec = {{DEC|+17|31|45.953}}<ref name=sb0 /> |
||
| appmag_v=4.29 to 4.35 |
| appmag_v=4.29 to 4.35{{br}}<small>(combined)</small><ref name=nsv1>NSV 6116, database entry, [http://www.sai.msu.su/groups/cluster/gcvs/gcvs/nsv/nsv.dat New Catalogue of Suspected Variable Stars, the improved version], Sternberg Astronomical Institute, Moscow, Russia. Accessed on line [[September 3]], [[2008]].</ref>{{br}}A: 4.85 / B: 5.53 |
||
}} |
}} |
||
{{Starbox character |
{{Starbox character |
||
| class = A: F5V / B: F5V |
| class = A: F5V / B: F5V{{br}}<small>(binary star)</small><ref name=kaler>[http://www.astro.uiuc.edu/~kaler/sow/diadem.html Diadem], Jim Kaler, ''Stars''. Accessed on line [[September 3]], [[2008]].</ref> |
||
| u-b = −0.06<ref name=bsc2>[http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/50/catalog&recno=4968 HR 4968], database 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]. Accessed on line [[September 3]], [[2008]].</ref> |
| u-b = −0.06<ref name=bsc2>[http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/50/catalog&recno=4968 HR 4968], database 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]. Accessed on line [[September 3]], [[2008]].</ref> |
||
| b-v = 0.45<ref name=bsc2 /> |
| b-v = 0.45<ref name=bsc2 /> |
||
Baris 25: | Baris 25: | ||
| parallax = 51.7 |
| parallax = 51.7 |
||
| p_error = 5.7 |
| p_error = 5.7 |
||
| parallax_footnote = |
| parallax_footnote =<ref>[http://webviz.u-strasbg.fr/viz-bin/VizieR-S?GJ%20501 GJ 501], database entry, Preliminary Version of the Third Catalogue of Nearby Stars, W. Gliese and H. Jahreiss, [[Centre de Données astronomiques de Strasbourg|CDS]] ID [http://vizier.u-strasbg.fr/viz-bin/Cat?V/70A V/70A]. Accessed on line [[September 3]], [[2008]].</ref> |
||
| absmag_v= 3 <small>(combined)</small><ref>From apparent magnitude and parallax.</ref> |
| absmag_v= 3 <small>(combined)</small><ref>From apparent magnitude and parallax.</ref> |
||
}} |
}} |
||
{{Starbox visbin |
{{Starbox visbin |
||
|reference= |
|reference=Entry 13100+1732, |
||
[http://ad.usno.navy.mil/wds/orb6/orb6orbits.txt Sixth Catalog of Orbits of Visual Binary Stars], |
[http://ad.usno.navy.mil/wds/orb6/orb6orbits.txt Sixth Catalog of Orbits of Visual Binary Stars], |
||
[[United States Naval Observatory]]. Accessed on line [[September 3]], [[2008]].</ref> |
[[United States Naval Observatory]]. Accessed on line [[September 3]], [[2008]].</ref> |
||
Baris 46: | Baris 46: | ||
{{Starbox end}} |
{{Starbox end}} |
||
'''Alpha Comae Berenices (Alpha Com / α Com / α Comae Berenices)''' adalah salah satu bintang di [[rasi]] [[Coma Berenices]] (Rambut Berenice, ''Berenice's Hair''). Meskipun ditetapkan sebagai "alpha", dengan [[magnitudo]] 4.32, bintang ini lebih redup dibandingkan dengan [[Beta Comae Berenices]]. |
'''Alpha Comae Berenices (Alpha Com / α Com / α Comae Berenices)''' adalah salah satu bintang di [[rasi]] [[Coma Berenices]] (Rambut Berenice, ''Berenice's Hair''). Meskipun ditetapkan sebagai "alpha", dengan [[magnitudo]] 4.32, bintang ini lebih redup dibandingkan dengan [[Beta Comae Berenices]]. |
||
Bintang ini merupakan [[bintang ganda]], dengan magnitudo komponennya sebesar 5.05 dan 5.08, mengorbit selama 25.87 tahun dan terpisah 0.7 arcsecond. |
Bintang ini merupakan [[bintang ganda]], dengan magnitudo komponennya sebesar 5.05 dan 5.08, mengorbit selama 25.87 tahun dan terpisah 0.7 arcsecond. Bintang ini berada pada jarak 47 [[tahun cahaya]] dari [[Bumi]]. |
||
==Etimologi== |
== Etimologi == |
||
Bintang ini memiliki nama tradisional '''Diadem''' yang merepresentasikan mahkota Ratu Berenice II dari [[Mesir]]. |
Bintang ini memiliki nama tradisional '''Diadem''' yang merepresentasikan mahkota Ratu Berenice II dari [[Mesir]]. Nama lain dari para astronom terdahulu adalah: |
||
{| class="wikitable" |
{| class="wikitable" |
||
Baris 60: | Baris 60: | ||
! arti |
! arti |
||
|- |
|- |
||
| Al Dafirah|| [[Arab]] || mahkota |
| Al Dafirah|| [[Bahasa Arab|Arab]] || mahkota |
||
|- |
|- |
||
| 太微左垣五, |
| 太微左垣五,上將 / Tàiwēizuǒyuánwǔ, Dōngshǎngjiāng|| [[Cina]] || bintang kelima pada rasi[[Daftar asterisme di Batasan Istana Sang Tertinggi#Dinding di Kiri|Dinding di Kiri]],<ref>salah satu rasi bintang menurut bangsa Cina</ref> Jenderal Pertama di Timur |
||
|- |
|||
| 东上将 / Dōngshǎngjiāng|| [[Cina]] || Raja penuntun di Timur<ref name=sb0>http://www.chinese-tools.com/tools/sinograms.html</ref> |
|||
|- |
|- |
||
| 太左五 / Tàizuǒwǔ|| [[Cina]] || Yang agung kelima di kiri<ref name=sb0>http://www.chinese-tools.com/tools/sinograms.html</ref> |
| 太左五 / Tàizuǒwǔ|| [[Cina]] || Yang agung kelima di kiri<ref name=sb0>http://www.chinese-tools.com/tools/sinograms.html</ref> |
||
Baris 72: | Baris 70: | ||
{{-}} |
{{-}} |
||
==Komponen visual== |
== Komponen visual == |
||
{{Starbox begin |
{{Starbox begin |
||
| name = [[Catalog of Components of Double and Multiple Stars|CCDM]] J13100+1732C}} |
| name = [[Catalog of Components of Double and Multiple Stars|CCDM]] J13100+1732C}} |
||
Baris 97: | Baris 95: | ||
{{Starbox end}} |
{{Starbox end}} |
||
Bintang ini memiliki komponen visual, CCDM J13100+1732C, yang bermagnitudo 10.2, berlokasi terpisah di jarak 89 arcsecond.<ref name=sb1 /><ref name=wds>Entry 13100+1732, discoverer code STF1728, components AB-C, [http://ad.usno.navy.mil/wds/wdsnewframe3.html The Washington Double Star Catalog], [[United States Naval Observatory]]. |
Bintang ini memiliki komponen visual, CCDM J13100+1732C, yang bermagnitudo 10.2, berlokasi terpisah di jarak 89 arcsecond.<ref name=sb1 /><ref name=wds>Entry 13100+1732, discoverer code STF1728, components AB-C, [http://ad.usno.navy.mil/wds/wdsnewframe3.html The Washington Double Star Catalog] {{Webarchive|url=https://web.archive.org/web/20080413021643/http://ad.usno.navy.mil/wds/wdsnewframe3.html |date=2008-04-13 }}, [[United States Naval Observatory]]. Accessed on line [[September 3]], [[2008]].</ref> |
||
==Referensi== |
== Referensi == |
||
{{reflist}} |
{{reflist}} |
||
Baris 105: | Baris 103: | ||
* [http://www.alcyone.de/SIT/bsc/ Yale Bright Star Catalog]; [http://www.alcyone.de/SIT/bsc/com.html Comae Berenices] |
* [http://www.alcyone.de/SIT/bsc/ Yale Bright Star Catalog]; [http://www.alcyone.de/SIT/bsc/com.html Comae Berenices] |
||
[[Kategori:Rasi bintang Coma Berenices]] |
|||
[[de:Diadem (Stern)]] |
|||
[[nl:Diadem]] |
|||
[[sk:Diadem]] |
Revisi terkini sejak 23 Juni 2021 06.44
Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
---|---|
Rasi bintang | Coma Berenices |
Asensio rekta | 13j 09m 59.2766d[1] |
Deklinasi | +17° 31′ 45.953″[1] |
Magnitudo tampak (V) | 4.29 to 4.35 (combined)[2] A: 4.85 / B: 5.53 |
Ciri-ciri | |
Kelas spektrum | A: F5V / B: F5V (binary star)[3] |
Indeks warna U−B | −0.06[4] |
Indeks warna B−V | 0.45[4] |
Indeks warna V−R | 0.2[1] |
Indeks warna R−I | 0.2[1] |
Astrometri | |
Kecepatan radial (Rv) | −17.7 ± 0.9[1] km/s |
Gerak diri (μ) | RA: −445.96[1] mdb/thn Dek.: 129.69[1] mdb/thn |
Paralaks (π) | 51,7±5,7[5] mdb |
Jarak | sekitar 63 tc (sekitar 19 pc) |
Magnitudo mutlak (MV) | 3 (combined)[6] |
Orbit bintang ganda visual | |
Bintang sekunder | {{{name}}} |
Periode (P) | {{{period}}} tahun |
Sumbu semi-mayor (a) | {{{axis}}}" |
Eksentrisitas (e) | 0.5083 ± 0.0026 |
Inklinasi (i) | 90.098 ± 0.051° |
Bujur node (Ω) | 192.235 ± 0.047° |
Epoch periastron (T) | B1989.2052 ± 0.0061 |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Alpha Comae Berenices (Alpha Com / α Com / α Comae Berenices) adalah salah satu bintang di rasi Coma Berenices (Rambut Berenice, Berenice's Hair). Meskipun ditetapkan sebagai "alpha", dengan magnitudo 4.32, bintang ini lebih redup dibandingkan dengan Beta Comae Berenices.
Bintang ini merupakan bintang ganda, dengan magnitudo komponennya sebesar 5.05 dan 5.08, mengorbit selama 25.87 tahun dan terpisah 0.7 arcsecond. Bintang ini berada pada jarak 47 tahun cahaya dari Bumi.
Etimologi
[sunting | sunting sumber]Bintang ini memiliki nama tradisional Diadem yang merepresentasikan mahkota Ratu Berenice II dari Mesir. Nama lain dari para astronom terdahulu adalah:
nama lain | asal bahasa | arti |
---|---|---|
Al Dafirah | Arab | mahkota |
太微左垣五,上將 / Tàiwēizuǒyuánwǔ, Dōngshǎngjiāng | Cina | bintang kelima pada rasiDinding di Kiri,[9] Jenderal Pertama di Timur |
太左五 / Tàizuǒwǔ | Cina | Yang agung kelima di kiri[1] |
Komponen visual
[sunting | sunting sumber]Data pengamatan Epos J2000.0 Ekuinoks J2000.0 (ICRS) | |
---|---|
Rasi bintang | Coma Berenices |
Asensio rekta | 13j 10m 00.4d[10] |
Deklinasi | +17° 31′ 48″[10] |
Magnitudo tampak (V) | 10.2[10] |
Posisi (relatif ke α Comae Berenices AB) | |
Epoch pengamatan | 1998 |
Jarak sudut | 88.7″ [11] |
Sudut posisi | 345° [11] |
Penamaan lain | |
Referensi basis data | |
SIMBAD | data |
Bintang ini memiliki komponen visual, CCDM J13100+1732C, yang bermagnitudo 10.2, berlokasi terpisah di jarak 89 arcsecond.[10][11]
Referensi
[sunting | sunting sumber]- ^ a b c d e f g h i NSV 6116 -- Variable Star, database entry, SIMBAD. Accessed on line September 3, 2008. Kesalahan pengutipan: Tanda
<ref>
tidak sah; nama "sb0" didefinisikan berulang dengan isi berbeda - ^ NSV 6116, database entry, New Catalogue of Suspected Variable Stars, the improved version, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 3, 2008.
- ^ Diadem, Jim Kaler, Stars. Accessed on line September 3, 2008.
- ^ a b HR 4968, 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.
- ^ GJ 501, database entry, Preliminary Version of the Third Catalogue of Nearby Stars, W. Gliese and H. Jahreiss, CDS ID V/70A. Accessed on line September 3, 2008.
- ^ From apparent magnitude and parallax.
- ^ HD 114378 -- Star in double system, database entry, SIMBAD, accessed on line September 3, 2008.
- ^ HD 114379 -- Star in double system, database entry, SIMBAD, accessed on line September 3, 2008.
- ^ salah satu rasi bintang menurut bangsa Cina
- ^ a b c d e BD+18 2697C -- Star in double system, database entry, SIMBAD. Accessed on line September 3, 2008.
- ^ a b c d Entry 13100+1732, discoverer code STF1728, components AB-C, The Washington Double Star Catalog Diarsipkan 2008-04-13 di Wayback Machine., United States Naval Observatory. Accessed on line September 3, 2008.