Altair - wani star, gwarzo na Legends kuma gudanar da bincike makaman

Samuwa ga tsirara ido don tsayar kawai karamin sashi daga cikin taurarin da cewa sun cika sararin samaniya. Duk da haka, suna da isasshen tantance duk da girman halittu. A cikin jerin mafi mashahuri taurari a cikin goma sha biyu wuri ne Altair - tauraron, sau da yawa mamaye zukatan ilmin Taurari.

wuri

Nemo haskaka kawai isa, ba kawai saboda hantsinta. Star Altair aka located in da ƙungiyar taurari na Eagle, shi ne mai ban sha'awa sashi daga sama da kullum da alama sosai. Sunan haskaka ya nuna a fili ta asali. An samu daga "Al-Nasr al-Tair," wanda a larabci na nufin "tashi mikiya".

Manufa lokaci zuwa kalla cikin wani sarari suKe adadi - daga Yuni zuwa watan Agusta. Eagle nufin da Equatorial taurari, da haka da sauki a gani a cikin tsakiyar da kuma kudancin yankunan kasar, yayin da a arewacin yankunan shi ne samuwa ga binciken. Wannan samaniya adadi yake kudu maso yammacin na Swan. Eagle koyi sauƙi da uku da taurari yin up kusan cikakkiyar mike layin. Shi ne Altair, kuma Tarazed Alshain. Har ila yau, Masana ilmin hada su asterism a cikin balance masaƙa.

labari gwarzo

Altair - wani star cewa ba ya kasance a daya asterism. Mafi shahara hade da haske da ya sa hannu ne Summer Bamuda. "Sahabbai" Altair da shi - shi Vega (Lyra) da kuma Deneb (Cygnus ƙungiyar taurari). Duk da haske gyara na asterism, da alama sosai. sun kasance mambobi na dama Legends tun lokacin da. A daya daga cikinsu bayyana Altair makiyayi wanda sau ɗaya a shekara, a kan dare Ivana Kupaly, ya gana da ƙaunataccen Vega, da dirkar.

sigogi

Ba shi da wuya a tsammani cewa sama hoto na Eagle ne da haske star - Altair (alpha star). Shi ne hasken na aji ne ba da nisa gaba da rana a cikin size. Mass Altair 1.7 sau fiye da ta siga, a} alla, wannan rabo ne da diameters na biyu wani sarari suKe jikinsu. Haske Alpha Eagle - sun fi mayar da sakamakon da zumunta kusanci zuwa Earth. Altair daga Sun rabu da game 16.8 haske-shekara. Bugu da kari, Alpha Eagle haske fiye da mu star. Luminosity Altair ne sau tara mafi girma fiye da hasken rana.

sauri

Altair - star, da aka sani ba kawai domin ta haske da ganuwa. An halin a sosai m juyawa a kusa da axis. Daya juyin juya halin na star aikin na tsawon 6 zuwa 10 hours (a cikin daban-daban kafofin na bayanai ne da ɗan daban-daban). Godiya da irin wannan sauri kamar yadda zai yiwu, idan mun tuna cewa rana ake bukata domin wannan shi yafi lokaci - 25 days.

Wannan gudun yana da sakamakon. Altair - star tare da wani elliptical siffar. Rapid juyawa ya kai ga matse haske sandunan a yankin. A sakamakon haka, da diamita daga cikin star a ekweita ne 22% fiye da na iyakacin duniya. Da farko, mĩƙe siffar Altair da aka gano a cikin shakka daga msar tambayar lissafin, amma a shekarar 2007, masana kimiyya suna da hujja na biyayya ga wadannan constructions.

rikitaccen

University Center for ilmin taurari na Jojiya high-ƙuduri masana, karkashin jagorancin John Monnier zaba Altair a matsayin abu ga binciken. Yana da aka kamata su yi hoto na surface na star. Kafa image zai zama na farko ya nuna haka kusa da wani star waje da hasken rana tsarin. Duk da haka, kafin su sami irin wannan hotunan luminary size Altair located a wannan nesa daga nesa kusa madubi bukatun su uku da ɗari mita a diamita. Domin yanzu matakin na irin kayan aiki da fasaha - a nan gaba.

A bayyane matsala bai tsaya masana kimiyya. Don aiki hudu nesa, shirya a da'irar da diamita na 250 m. The haske kama su da aka yi amfani da, tattara a cikin na'ura, da ake kira "Michigan Infrared combiner." A sakamakon haka, da haske da aka samu ta hanyar high-daidaici image.

A sakamakon binciken

Star Altair, wanda photo da aka sanya da wani ƙuduri na kasa da daya daƙiƙa kusurwa, ya bayyana irin abin da ka'idar predicts - mĩƙe a zura sandunan yankin. Duk da haka, masana kimiyya da sha'awar a cikin mafi ne ba. Pictures nuna wani daban-daban haske yankunan da gagarumi surface. mutum spots aka gani, duhu da haske. Bugu da kari, da ya lura da bambance-bambance a cikin haske na photosphere na star a latitud.

A lura fasali na Altair ba tukuna karbi wani bayani. A cikin tsarin na yarda Concepts na gaba ɗaya juyawa taurari, ba su shige. A samu data bukatar kara cikakken nazari da taimakon sabon kayan aiki da kuma na musamman fasahar. Tantancewar interferometry dabaru za a iya amfani da su karatu da surface da sauran kusa taurari.

Star Altair a ilmin bokanci ake dangantawa ciki har da ikon tsinkaya, da hali na tunani gaba na zamanin. Zai yiwu shi ne wani daidaituwa cewa shi aka babban haske karfafa masana kimiyya su inganta kayan aiki. Rashin samun sabon ilimi game da Altair tsohon bincike hanyoyin, wasu unexplained mamaki a cikin tsarin na gargajiya theories - duk wannan stimulates da motsi na kimiyya da tunani da kuma samuwa fasahar don ci gaba. Har yanzu alpha Eagle, kazalika da dukan ƙungiyar taurari na amfani ga mai son ilmin Taurari. Isa kusanci, kuma haske a hade tare da karamin sani - wadannan ne dalilan da irin kusa da hankali ga Altair. Kila a nan gaba, masana kimiyya za su murna da mu tare da sabon binciken da suka shafi wannan star.