Statements (136)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
|
| gptkbp:age |
approximately 10 million years
|
| gptkbp:apparent_magnitude |
0.42
around 0.42 approximately 0.42 |
| gptkbp:archaeological_findings |
noted by ancient astronomers
|
| gptkbp:associated_with |
gptkb:Orion_constellation
|
| gptkbp:atmosphere |
mostly hydrogen and helium
|
| gptkbp:average_temperature |
approximately 3,500 K
|
| gptkbp:brightness_fluctuations |
notable for irregular brightness changes
noted for irregular brightness changes |
| gptkbp:color |
gptkb:red
|
| gptkbp:composed_of |
primarily hydrogen and helium
|
| gptkbp:constellation |
gptkb:Orion
|
| gptkbp:contains_star |
none known
in the night sky M-type star none confirmed class M supergiant |
| gptkbp:coordinates |
R. A. 83.63° Dec. 7.4°
l = 209.76°, b = -18.25° |
| gptkbp:cultural_heritage |
gptkb:26_Orionis
|
| gptkbp:cultural_significance |
featured in various mythologies
|
| gptkbp:declination |
+7° 24' 25.426
|
| gptkbp:discovered_by |
gptkb:unknown
|
| gptkbp:discovery |
known since ancient times
|
| gptkbp:distance |
measured using parallax methods
|
| gptkbp:distance_from_earth |
approximately 642 light years
approximately 642.5 light years about 642 light years |
| gptkbp:distance_measurement_method |
trigonometric parallax
|
| gptkbp:end_of_life |
will end in a supernova explosion
|
| gptkbp:evolutionary_path |
massive star evolution
|
| gptkbp:has_avisual_magnitude |
approximately 0.42
|
| gptkbp:has_bayer_designation |
gptkb:Alpha_Orionis
|
| gptkbp:has_lore |
associated with various legends and stories
|
| gptkbp:has_luminosity |
approximately 100,000 times that of the Sun
around 3,200 to 3,600 K evolves from main sequence to supergiant in the late stages of its life cycle |
| gptkbp:has_mechanic |
-0.2 mas/yr
-0.5 mas/yr |
| gptkbp:has_radius |
approximately 1,000 times that of the Sun
|
| gptkbp:has_spectral_type |
M1-M2
|
| gptkbp:has_supernova |
gptkb:Type_II_supernova
expected to create a nebula after explosion may have been visible from Earth in the past. |
| gptkbp:has_variations |
pulsating variable star
|
| gptkbp:historical_brightness |
was once the second brightest star in the night sky
|
| https://www.w3.org/2000/01/rdf-schema#label |
Betelgeuse
|
| gptkbp:is_a_reference_for |
gptkb:popular_culture
astronomical measurements |
| gptkbp:is_acharacter_in |
'the armpit of the giant' in Arabic
|
| gptkbp:is_associated_with |
various myths and legends
|
| gptkbp:is_atype_of |
gptkb:Giant
gptkb:star |
| gptkbp:is_considered |
a potential threat to Earth if it goes supernova
|
| gptkbp:is_expected_to_explode |
within the next million years
|
| gptkbp:is_in |
gptkb:the_Milky_Way_galaxy
the spectral class M1-M2 |
| gptkbp:is_known_for |
its brightness and size
its distinctive reddish hue its irregular variability its potential to be a supernova candidate. |
| gptkbp:is_located_in |
gptkb:Orion_constellation
|
| gptkbp:is_monitored_by |
amateur astronomers
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
ancient times |
| gptkbp:is_often_compared_to |
other supergiants
|
| gptkbp:is_one_of |
the largest stars known
|
| gptkbp:is_part_of |
gptkb:Winter_Triangle
the Orion Molecular Cloud Complex the HR diagram the winter sky the local stellar neighborhood the Orion constellation |
| gptkbp:is_red_supergiant_star |
gptkb:true
|
| gptkbp:is_studied_in |
astrophysics
stellar evolution |
| gptkbp:is_used_in |
stellar classification systems
navigation and astronomy |
| gptkbp:is_visible_from |
gptkb:Earth
visible to the naked eye both hemispheres one of the brightest stars in the night sky |
| gptkbp:lighting |
gptkb:star
varies significantly over time irregular and semi-regular variability patterns irregular variability approximately magnitude 0.5 brightness affected by light pollution irregular due to pulsations |
| gptkbp:location_in_sky |
easily identifiable in Orion constellation
|
| gptkbp:losses |
approximately 10^-6 solar masses per year
significant due to stellar winds |
| gptkbp:mass |
approximately 10 to 20 solar masses
approximately 1,180 solar radii approximately 197 parsecs estimated between 8 and 20 solar masses |
| gptkbp:massive_star_characteristics |
high mass and short lifespan
|
| gptkbp:max_speed |
strong stellar wind
|
| gptkbp:next_event |
expected to explode as a supernova
|
| gptkbp:notable_feature |
one of the largest stars visible to the naked eye
one of the largest stars known |
| gptkbp:number |
gptkb:2017
39801 |
| gptkbp:origin |
Arabic ' Yad al-Jauza' meaning 'the hand of the giant'
|
| gptkbp:originated_in |
red supergiant phase
|
| gptkbp:parallax |
0.0051 arcseconds
|
| gptkbp:part_of |
gptkb:Orion
|
| gptkbp:photography |
gptkb:Hubble_Space_Telescope
|
| gptkbp:pulsation_period |
approximately 400 days
|
| gptkbp:research |
observed by ancient civilizations
observed by various cultures throughout history subject of many astrophysical studies visible with the naked eye difficult to study due to its variability observed with both ground-based and space telescopes |
| gptkbp:right_ascension |
5h 55m 10.3053s
|
| gptkbp:rotation_period |
approximately 400 days
|
| gptkbp:size |
larger than the orbit of Mars
|
| gptkbp:stage_of_life |
red supergiant phase
|
| gptkbp:status |
gptkb:star
|
| gptkbp:stellar_nucleosynthesis |
produces heavy elements in core
|
| gptkbp:stellar_nucleus |
iron core
|
| gptkbp:stellar_wind_speed |
approximately 20 km/s
|
| gptkbp:travel_time |
light takes 642 years to reach Earth
|
| gptkbp:type |
red supergiant
|
| gptkbp:type_of |
red supergiant
|
| gptkbp:was_akey_figure_in |
massive stars
the constellation Orion |
| gptkbp:will_become |
gptkb:Supernova
|
| gptkbp:bfsParent |
gptkb:Michael_Keaton
gptkb:Orion gptkb:The_Hitchhiker's_Guide_to_the_Galaxy |
| gptkbp:bfsLayer |
4
|