Alpha Doradus: Perbedaan antara revisi

| name = Alpha Doradus

| image = <div style="position: relative">[[FileBerkas:Dorado IAU.svg|250px]]

<div style="position: absolute; left: 56.6%; top: 31.5%;">[[FileBerkas:Cercle rouge 100%.svg|12px]]</div>

| caption = Lokasi α Doradus (lingkaran)

| epoch = [[J2000.0]]

| equinox = [[J2000.0]] ([[International Celestial Reference System|ICRS]])

| constell = [[Dorado]]

| component_a = A

| component_b = B

| ra_a_h = 04

| ra_a_m = 33

| ra_a_s = 59.778

| dec_a_d = −55

| dec_a_m = 02

| dec_a_s = 41.91

| radec_a_footnote = <ref name=viziera/>

| ra_b_h = 04

| ra_b_m = 33

| ra_b_s = 59.782

| dec_b_d = −55

| dec_b_m = 02

| dec_b_s = 42.39

| radec_b_footnote = <ref name=vizierb/>

| appmag_v_a=3.8<ref name=bsc2 />

| appmag_v_b=4.3<ref name=bsc2 />

| class_a = A0IIIp<ref name=bsc2 />

| class_b = B9IV<ref name=bsc2 />

| u-b_system = −0.35<ref name=bsc2/>

| b-v_system = −0.10<ref name=bsc2 />

| r-i_system = −0.09<ref name=bsc2 />

| variable_a = [[Alpha² Canum Venaticorum variable|ACV]]<ref name=gcvs1 />

| radial_v_a = {{nowrap|25.6 ± 0.9}}<ref name=sb0 />

| prop_mo_ra_a = 58.06<ref name=viziera />

| prop_mo_dec_a = 12.73<ref name=viziera />

| prop_mo_ra_b = 42.83<ref name=vizierb />

| prop_mo_dec_b = 12.94<ref name=vizierb />

| parallax = 19.34

| p_error = 0.31

| parallax_footnote = <ref name=aaa474_2_653/>

| absmag_v=–0.38 <small>(combineddikombinasikan)</small><ref>Dari magnitudo semu dan paralaks.</ref>

| mass_a={{nowrap|3.33 ± 0.10}}<ref name=aaa334_181/>

| mass_b=2.7<ref name=kaler />

| luminosity_bolometric_a=195<ref name=aaa334_181/>

| luminosity_bolometric_b=70<ref name=kaler />

| gravity_a={{nowrap|4.02 ± 0.07}}<ref name=aaa334_181/>

| radius_a={{nowrap|3.5 ± 0.3}}<ref name=aaa334_181/>

| radius_b=1.9<ref name=kaler />

| temperature_a=11,588<ref name=aaa334_181/>

| temperature_b=12,200<ref name=kaler />

| rotation_a=2.94&nbsp;days<ref name=aaa334_181/>

| orbit_footnote=<ref name=orb/>

| period_unitless=12.1&nbsp;y

| axis_unitless=0.18[[arcsecond|″]]

| periastron=[[Epoch (astronomy)|B]]1986

| inclination=31

| node=140

| eccentricity=0.80

| periarg=193

| names=α&nbsp;Dor, Alpha&nbsp;Doradus, Alpha&nbsp;Dor, [[Double star designation|B 2092]], [[Catalog of Components of Double and Multiple Stars|CCDM]]&nbsp;J04340-5503AB, [[Durchmusterung|CD]]−55&nbsp;916, [[Durchmusterung|CPD]]−55&nbsp;663, [[Fifth Fundamental Catalogue|FK5]]&nbsp;171, [[Boss General Catalogue|GC]]&nbsp;5600, [[Henry Draper Catalogue|HD]]&nbsp;29305, [[Hipparcos Catalogue|HIP]]&nbsp;21281, [[Bright Star Catalogue|HR]]&nbsp;1465, [[Index Catalogue of Visual Double Stars|IDS]]&nbsp;04318-5515&nbsp;AB, [[PPM Star Catalogue|PPM]]&nbsp;333592, [[Smithsonian Astrophysical Observatory Star Catalog|SAO]]&nbsp;233564, [[Washington Double Star Catalog|WDS]]&nbsp;04340-5503AB.<ref name=sb0 />

| simbad_system=alp+dor}}

'''Alpha&nbsp;Doradus''' ('''Alpha&nbsp;Dor''', '''α&nbsp;Doradus''', '''α&nbsp;Dor''') adalah bintang paling terang yang ad di [[rasi bintang]] [[Dorado]]. Dengan meggunakanmenggunakan sistimsistem [[paralaks]], jarak ke bintang ini dihitung sebesar {{Convert|169|ly|pc|abbr=off|lk=on}}.<ref name=aaa474_2_653/>

Bintang ini merupakan sistimsistem [[bintang biner]]<ref name=kaler /> dengan [[magnitudo semu]] bervariasi dari 3.26 - 3.30,<ref name=gcvs1/> membuatnya menjadi bintang biner yang paling terang.<ref name=ob104_88/>

== Referensi ==

<ref name=kaler>{{citation | url=http://stars.astro.illinois.edu/sow/alphador.html | title=Alpha Dor | first1=James B. | last1=Kaler | title=Stars'' | accessdate=2012-03-04 }}</ref>

<ref name=gcvs1>alf Dor, database entry, [http://www.sai.msu.su/groups/cluster/gcvs/gcvs/iii/iii.dat The combined table of GCVS Vols I-III and NL 67-78 with improved coordinates, General Catalogue of Variable Stars] {{Webarchive|url=https://web.archive.org/web/20170620004609/http://www.sai.msu.su/groups/cluster/gcvs/gcvs/iii/iii.dat |date=2017-06-20 }}, Sternberg Astronomical Institute, Moscow, Russia. Accessed on line September 3, 2008.</ref>

[[Category:{{Astronomi]]-stub}}