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This is the combined Phoenix Constellations PRs from Red Hat Summit 2024. This superseeds #899 #940 #947 #950 #980 #999 #1009 #1025 #1042 #1056 Signed-off-by: JJ Asghar <[email protected]> Co-authored-by: FourHole <[email protected]> Co-authored-by: pcasal <[email protected]> Co-authored-by: gharunsaikumar <[email protected]> Co-authored-by: woodbb <[email protected]> Co-authored-by: Cosuazo <[email protected]> Co-authored-by: Robert Barron <[email protected]> Co-authored-by: Narender Singh <[email protected]> Co-authored-by: eroglyph <[email protected]> Co-authored-by: kevin77a <[email protected]> Co-authored-by: redtempest25 <[email protected]>
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knowledge/science/astronomy/constellations/phoenix/attribution.txt
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| Title of work: Phoenix (constellation) | ||
| Link to work: https://en.wikipedia.org/wiki/Phoenix_(constellation) | ||
| Revision: https://en.wikipedia.org/w/index.php?title=Phoenix_(constellation)&oldid=1221597018 | ||
| License of the work: CC-BY-SA-4.0 | ||
| Creator names: Wikipedia Authors |
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knowledge/science/astronomy/constellations/phoenix/qna.yaml
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| version: 3 | ||
| domain: astronomy | ||
| created_by: juliadenham | ||
| seed_examples: | ||
| - context: | | ||
| **Phoenix** is a minor [constellation](constellation "wikilink") in the | ||
| [southern sky](southern_sky "wikilink"). Named after the mythical | ||
| [phoenix](Phoenix_(mythology) "wikilink"), it was first depicted on a | ||
| celestial atlas by [Johann Bayer](Johann_Bayer "wikilink") in his 1603 | ||
| *[Uranometria](Uranometria "wikilink")*. The French explorer and | ||
| astronomer [Nicolas Louis de | ||
| Lacaille](Nicolas_Louis_de_Lacaille "wikilink") charted the brighter | ||
| stars and gave their [Bayer designations](Bayer_designation "wikilink") | ||
| in 1756. The constellation stretches from roughly −39 degrees to −57 degrees | ||
| [declination](declination "wikilink"), and from 23.5h to 2.5h of [right | ||
| ascension](right_ascension "wikilink"). The constellations Phoenix, | ||
| [Grus](Grus_(constellation) "wikilink"), | ||
| [Pavo](Pavo_(constellation) "wikilink") and [Tucana](Tucana "wikilink"), | ||
| are known as the Southern Birds. | ||
| questions_and_answers: | ||
| - question: | | ||
| What is the Phoenix constellation? | ||
| answer: | | ||
| Phoenix is a minor constellation in the southern sky. | ||
| - question: | | ||
| Who charted the Phoenix constellation? | ||
| answer: | | ||
| The Phoenix constellation was charted by french explorer and | ||
| astronomer Nicolas Louis de Lacaille. | ||
| - question: | | ||
| How far does the Phoenix constellation stretch? | ||
| answer: | | ||
| The phoenix constellation stretches from roughly −39° to −57° | ||
| declination, and from 23.5h to 2.5h of right ascension. | ||
| - context: | | ||
| Phoenix was the largest of the 12 constellations established by [Petrus | ||
| Plancius](Petrus_Plancius "wikilink") from the observations of [Pieter | ||
| Dirkszoon Keyser](Pieter_Dirkszoon_Keyser "wikilink") and [Frederick de | ||
| Houtman](Frederick_de_Houtman "wikilink"). It first appeared on a 35cm | ||
| diameter celestial globe published in 1597 (or 1598) in Amsterdam by | ||
| Plancius with [Jodocus Hondius](Jodocus_Hondius "wikilink"). The first | ||
| depiction of this constellation in a celestial atlas was in [Johann | ||
| Bayer](Johann_Bayer "wikilink")'s | ||
| *[Uranometria](Uranometria "wikilink")* of 1603. De Houtman included | ||
| it in his southern star catalog the same year under the Dutch name *Den | ||
| voghel Fenicx*, "The Bird Phoenix", symbolising the | ||
| [phoenix](Phoenix_(mythology) "wikilink") of classical mythology. One | ||
| name of the brightest star [Alpha | ||
| Phoenicis](Alpha_Phoenicis "wikilink")—Ankaa—is derived from the Arabic: | ||
| العنقاء, romanized: al-‘anqā’, lit. 'the phoenix', and | ||
| was coined sometime after 1800 in relation to the constellation. | ||
| questions_and_answers: | ||
| - question: | | ||
| What is the brightest star in the Phoenix constellation | ||
| called? | ||
| answer: | | ||
| Alpha Phoenicis or Ankaa is the brightest star in the Phoenix | ||
| Constellation. | ||
| - question: Where did the Phoenix constellation first appear? | ||
| answer: | | ||
| The Phoenix constellation first appeared on a 35-cm diameter | ||
| celestial globe published in 1597 (or 1598) in Amsterdam by | ||
| Plancius with Jodocus Hondius. | ||
| - question: | | ||
| What does "The Bird Phoenix" symbolize? | ||
| answer: | | ||
| "The Bird Phoenix" symbolizes the phoenix of classical mythology. | ||
| - context: | | ||
| Phoenix is a small constellation bordered by [Fornax](Fornax "wikilink") | ||
| and Sculptor to the north, Grus to the west, Tucana to the south, | ||
| touching on the corner of [Hydrus](Hydrus "wikilink") to the south, and | ||
| [Eridanus](Eridanus_(constellation) "wikilink") to the east and | ||
| southeast. The bright star [Achernar](Achernar "wikilink") is | ||
| nearby. The three-letter abbreviation for the constellation, as | ||
| adopted by the [International Astronomical | ||
| Union](International_Astronomical_Union "wikilink") in 1922, is | ||
| "Phe". The official constellation boundaries, as set by Belgian | ||
| astronomer [Eugène Delporte](Eugène_Joseph_Delporte "wikilink") in 1930, | ||
| are defined by a polygon of 10 segments. In the [equatorial coordinate | ||
| system](equatorial_coordinate_system "wikilink"), the [right | ||
| ascension](right_ascension "wikilink") coordinates of these borders lie | ||
| between 23<sup>h</sup> 26.5<sup>m</sup> and 02<sup>h</sup> 25.0<sup>m</sup>, | ||
| while the [declination](declination "wikilink") | ||
| coordinates are between −39.31° and −57.84°. This means it remains | ||
| below the horizon to anyone living north of the [40th | ||
| parallel](40th_parallel_north "wikilink") in the [Northern | ||
| Hemisphere](Northern_Hemisphere "wikilink"), and remains low in the sky | ||
| for anyone living north of the [equator](equator "wikilink"). It is most | ||
| visible from locations such as Australia and South Africa during late | ||
| [Southern Hemisphere](Southern_Hemisphere "wikilink") spring. Most | ||
| of the constellation lies within, and can be located by, forming a | ||
| triangle of the bright stars Achernar, [Fomalhaut](Fomalhaut "wikilink") | ||
| and [Beta Ceti](Beta_Ceti "wikilink")—Ankaa lies roughly in the centre | ||
| of this. | ||
| questions_and_answers: | ||
| - question: What are the characteristics of the Phoenix constellation? | ||
| answer: | | ||
| Phoenix is a small constellation bordered by Fornax and Sculptor to | ||
| the north, Grus to the west, Tucana to the south, touching on the | ||
| corner of Hydrus to the south, and Eridanus to the east and southeast. | ||
| The bright star Achernar is nearby. | ||
| - question: | | ||
| When is the phoenix constellation most visible? | ||
| answer: | | ||
| Phoenix is most visible from locations such as Australia and | ||
| South Africa during late Southern Hemisphere spring. | ||
| - question: | | ||
| What are the Phoenix Constellation boundaries? | ||
| answer: | | ||
| The official constellation boundaries for Phoenix, as set by Belgian | ||
| astronomer Eugène Delporte in 1930, are defined by a polygon of 10 | ||
| segments. | ||
| - context: | | ||
| Ten stars have been found to have planets to date, and four planetary | ||
| systems have been discovered with the [SuperWASP](SuperWASP "wikilink") | ||
| project. [HD 142](HD_142 "wikilink") is a yellow giant that has an | ||
| apparent magnitude of 5.7, and has a planet ([HD 142b](HD_142_b | ||
| "wikilink")) 1.36 times the mass of Jupiter which orbits every 328 days. | ||
| [HD 2039](HD_2039 "wikilink") is a yellow subgiant with an apparent | ||
| magnitude of 9.0 around 330 light years away which has a planet ([HD 2039 | ||
| b](HD_2039_b "wikilink")) six times the mass of Jupiter. [WASP-18](WASP-18 | ||
| "wikilink") is a star of magnitude 9.29 which was discovered to have a hot | ||
| Jupiter-like planet ([WASP-18b](WASP-18b "wikilink")) taking less than a | ||
| day to orbit the star. The planet is suspected to be causing WASP-18 to | ||
| appear older than it really is. [WASP-4](WASP-4 "wikilink") and | ||
| [WASP-5](WASP-5 "wikilink") are solar-type yellow stars around 1000 | ||
| light years distant and of 13th magnitude, each with a single planet | ||
| larger than Jupiter. [WASP-29](WASP-29 "wikilink") is an orange | ||
| dwarf of spectral type K4V and visual magnitude 11.3, which has a | ||
| planetary companion of similar size and mass to Saturn. The planet | ||
| completes an orbit every 3.9 days. | ||
| questions_and_answers: | ||
| - question: In the Phoenix constellation, how many stars have planets? | ||
| answer: | | ||
| In the Phoenix constellation, ten stars have been found to have | ||
| planets to date, and four planetary systems have been discovered | ||
| with the SuperWASP project. | ||
| - question: What is HD 142? | ||
| answer: | | ||
| HD 142 is a yellow giant that has an apparent magnitude of 5.7, and | ||
| has a planet (HD 142 b) 1.36 times the mass of Jupiter which | ||
| orbits every 328 days. | ||
| - question: | | ||
| Are WASP-4 and WASP-5 solar-type yellow stars? | ||
| answer: | | ||
| Yes, WASP-4 and WASP-5 are solar-type yellow stars around 1000 light | ||
| years distant and of 13th magnitude, each with a single planet | ||
| larger than Jupiter. | ||
| - context: | | ||
| The constellation does not lie on the | ||
| [galactic plane](galactic_plane "wikilink") of the Milky Way, and there | ||
| are no prominent star clusters. [NGC 625](NGC_625 "wikilink") is a dwarf | ||
| [irregular galaxy](irregular_galaxy "wikilink") of apparent magnitude 11.0 | ||
| and lying some 12.7 million light years distant. Only 24000 light years in | ||
| diameter, it is an outlying member of the [Sculptor Group](Sculptor_Group | ||
| "wikilink"). NGC 625 is thought to have been involved in a collision and | ||
| is experiencing a burst of [active star formation](Active_galactic_nucleus | ||
| "wikilink"). [NGC 37](NGC_37 "wikilink") is a | ||
| [lenticular galaxy](lenticular_galaxy "wikilink") of apparent magnitude | ||
| 14.66. It is approximately 42 [kiloparsecs](kiloparsecs "wikilink") | ||
| (137,000 [light-years](light-years "wikilink")) in diameter and about | ||
| 12.9 billion years old. [Robert's Quartet](Robert's_Quartet "wikilink") | ||
| (composed of the irregular galaxy [NGC 87](NGC_87 "wikilink"), and three | ||
| spiral galaxies [NGC 88](NGC_88 "wikilink"), [NGC 89](NGC_89 "wikilink") | ||
| and [NGC 92](NGC_92 "wikilink")) is a group of four galaxies located | ||
| around 160 million light-years away which are in the process of colliding | ||
| and merging. They are within a circle of radius of 1.6 arcmin, | ||
| corresponding to about 75,000 light-years. Located in the galaxy ESO | ||
| 243-49 is [HLX-1](HLX-1 "wikilink"), an | ||
| [intermediate-mass black hole](intermediate-mass_black_hole | ||
| "wikilink")—the first one of its kind identified. It is thought to be a | ||
| remnant of a dwarf galaxy that was absorbed in a | ||
| [collision](Interacting_galaxy "wikilink") with ESO 243-49. Before its | ||
| discovery, this class of black hole was only hypothesized. | ||
| questions_and_answers: | ||
| - question: | | ||
| Is the Phoenix Constellation part of the Milky Way? | ||
| answer: | | ||
| The Phoenix constellation does not lie on the galactic plane of | ||
| the Milky Way, and there are no prominent star clusters. | ||
| - question: | | ||
| How many light years away is NGC 625? | ||
| answer: | | ||
| NGC 625 is 24000 light years in diameter and is an outlying | ||
| member of the Sculptor Group. | ||
| - question: | | ||
| What is Robert's Quartet composed of? | ||
| answer: | | ||
| Robert's Quartet is composed of the irregular galaxy NGC 87, | ||
| and three spiral galaxies NGC 88, NGC 89 and NGC 92. | ||
| document_outline: | | ||
| Information about the Phoenix Constellation including the | ||
| history, characteristics, and features of the stars in the constellation. | ||
| document: | ||
| repo: https://github.com/juliadenham/Summit_knowledge | ||
| commit: 0a1f2672b9b90582e6115333e3ed62fd628f1c0f | ||
| patterns: | ||
| - phoenix_constellation.md | ||
|
|