Thomas Henderson (onye na-enyocha mbara igwe)

thumb|1 Hillside Crescent, Edinburgh
**Thomas Henderson** - cx-link" data-linkid="61" href="./Fellow_of_the_Royal_Society_of_Edinburgh" id="mwDg" rel="mw:WikiLink" title="Fellow of the Royal Society of Edinburgh">FRS FRS FRAS (28 Disemba 1798 - 23 Nọvemba 1844) bụ onye na-enyocha mbara igwe na onye na-eme mgbakọ na mwepụ nke a maara maka ịbụ onye mbụ na-atụle anya Alpha Centauri, akụkụ dị mkpa nke usoro kpakpando kacha nso n'ụwa, onye mbụ na'ịchọpụta parallax nke kpakpando kwụ ọtọ, yana ịbụ onye mbụ Royal Astronomer maka Scotland.

## Oge ọ malitere
A mụrụ ya na Dundee, ọ gụrụ akwụkwọ na Ụlọ akwụkwọ sekọndrị nke Dundee. Mgbe nke ahụ gasịrị, ọ zụrụ dị ka onye ọka iwu, na-arụ ọrụ ya dị ka onye na-enyere ndị isi dị iche iche aka. Otú ọ dị, ihe ntụrụndụ ya bụ ihe ọmụmụ mbara igwe na mgbakọ na mwepụ, mgbe ọ bịarutere na usoro ọhụrụ maka iji occultation ọnwa iji tụọ longitude ọ bịara n'uche Thomas Young, onye nlekọta nke Royal Navy's "Nautical Almanac". Young nyeere Henderson na-eto eto aka ịbanye n'ụwa ka ukwuu nke sayensị mbara igwe, na mgbe ọ nwụrụ akwụkwọ ozi a gwara Admiralty ka Henderson were ọnọdụ ya.

## Ọrụ

### Afrịka
A hapụrụ Henderson maka ọnọdụ ahụ, mana aro ahụ zuru iji nweta ya ọnọdụ na Cape of Good Hope">Royal Observatory na Cape of Good Hope na South Africa. N'ebe ahụ, o mere ọtụtụ nchọpụta kpakpando n'etiti Eprel 1832 na Mee 1833, gụnyere ndị a na-echeta ya taa. Manuel John Johnson nke ụlọ ọrụ East India Company na Saint Helena gosiri ya na kpakpando ndịda na-egbuke egbuke bụ Alpha Centauri nwere nnukwu mmegharị kwesịrị ekwesị, Henderson kwubiri na ọ nwere ike ịdị nso.

Ụdị 1830 nke "ọsọ mbara igwe" ga-abụ onye mbụ ga-atụle anya na kpakpando site na iji parallax, ọrụ nke dị mfe ka kpakpando ahụ dị nso. N'ihi ya, Henderson nọ n'ọnọdụ dị mma ịbụ onye a. Mgbe ọ lara ezumike nká na United Kingdom n'ihi ahụike ọjọọ, ọ malitere inyocha ihe ọ tụrụ ma mesịa ruo na nkwubi okwu na Alpha Centauri dị obere karịa otu parsec, 3.25 light years. Ọnụ ọgụgụ a ziri ezi, ebe 25.6% dị obere.

Henderson ebipụtaghị nsonaazụ ya ozugbo, Otú ọ dị (enwere na mbụ, mgbalị ndị a na-ekwesịghị ekwesị iji kwuo na ọ bụ ihe atụ nke parallax kpakpando), ma n'ikpeazụ, Friedrich Wilhelm Bessel kụrụ ya, onye bipụtara parallax nke 10.3 light years (9.6% dị obere) maka 61 Cygni na 1838.  Henderson bipụtara nsonaazụ [3] na 1839, [1] mana e wepụrụ ya n'ọnọdụ nke abụọ n'ihi enweghị obi ike ya. [4] mechara bipụta ihe Thomas Maclear chọpụtara. Alpha Centauri nọgidere bụrụ kpakpando kachasị nso ruo mgbe Robert T. A. Innes chọpụtara Proxima Centauri na 1915.

### Scotland
thumb|Ihe ncheta Thomas Henderson na ụlọ nyocha na Calton Hill
Ka ọ dị ugbu a, ọrụ ya na Cape mere ka a họpụta ya dị ka onye mbụ na-enyocha mbara igwe na Scotland na 1834. E nyere ya oche nke astronomy na Mahadum nke Edinburgh na ndụmọdụ nke Praịm Minista Lord Melbourne. Site  1834 ọ rụrụ ọrụ na City Observatory (nke a na-akpọ Calton Hill Observatory) na Edinburgh ruo mgbe ọ nwụrụ. 'ọnwa Eprel, 1840, a họpụtara ya ka ọ bụrụ Fellow nke Royal Society . [1]

Henderson ghọrọ onye otu ma ọ bụ onye otu nke ọtụtụ òtù ndị a ma ama, gụnyere Royal Astronomical Society (1832) na Royal Society of Edinburgh (1834). 

## Ndụ onwe onye na ọnwụ
thumb|Ili Alexander James Adie, Greyfriars Kirkyard
 lụrụ nwa nwanyị Alexander Adie Janet Mary Adie (1808-1842) na 1836 ma nwee otu nwa nwanyị, Janet Mary Jane Henderson (1842-1893) onye e liri na ili ozu Grange.

Ọ nwụrụ n'ụlọ 1 Hillside Crescent  na Edinburgh na 23 Nọvemba 1844 ma lie ya na Greyfriars Kirkyard . Ili ahụ  ike ịbụ n'ili Alexander Adie [1] ma ọ bụ n'ili e ji nkume mee "na ncheta ya".  Edeghị aha ya na ili Adie; Adie n'onwe ya nwụrụ afọ 14 mgbe Henderson nwụsịrị.

## Nkwado
thumb|Ihe ncheta ma ọ bụ ili Thomas Henderson na Greyfriars Kirkyard
A na-etinye ihe ncheta na-acha anụnụ anụnụ n'ụlọ ya na 1 Hillside Crescent. Ọ na-ezo aka na ya dị ka "Thomas J. A. Henderson", yiri aha etiti agbakwunyere na Wikipedia n'ụzọ na-ezighi ezi n'ihe dị ka afọ 2007.

A na-etinye ihe ncheta buru ibu (nke na-akpọ ya "Thomas Henderson") na mgbidi mpụga nke City Observatory.

A na-akpọ Asteroid 3077 Henderson iji sọpụrụ ya.

## Akwụkwọ ndị e bipụtara

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## Edensibia

## Njikọ mpụga

* Astronomical Society of Edinburgh - akwụkwọ akụkọ 38
* Akụkọ ndụ Thomas HendersonnaS2A3Biographical Database nke Southern African Science
Òtù:Pages with unreviewed translations