Statements (92)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:star
|
gptkbp:bfsLayer |
4
|
gptkbp:bfsParent |
gptkb:Leo_Minor
|
gptkbp:age |
approximately 100 million years
based on isochrone fitting isochrone fitting |
gptkbp:apparent_magnitude |
8.0
7.0 used for studying stellar populations approximately 7.5 |
gptkbp:associated_with |
constellation Puppis
|
gptkbp:base |
best viewed in winter months
|
gptkbp:category |
designated as NGC 2477 in catalogs
|
gptkbp:combat_radius |
approximately 10 light years
|
gptkbp:community_engagement |
popular among amateur astronomers
|
gptkbp:constellation |
important for understanding cluster formation
|
gptkbp:contains |
gptkb:NGC_2516
several hundred stars ongoing star formation approximately 100 stars gravitationally bound system gravitational interactions among stars |
gptkbp:coordinates |
l = 220°, b = -10°
RA 07h 57m, Dec -14° 30' l = 240.0°, b = -10.0° |
gptkbp:criteria |
based on distance and brightness
|
gptkbp:declination |
-14° 30' 00"
|
gptkbp:depicted_in |
visible with binoculars
best viewed in winter months |
gptkbp:diameter |
approximately 20 light years
20 arcminutes |
gptkbp:discovered_by |
gptkb:John_Herschel
|
gptkbp:distance |
approximately 4,000 light years
|
gptkbp:exhibition |
gptkb:New_General_Catalogue
|
gptkbp:formed |
formed from a giant molecular cloud
|
gptkbp:genetic_diversity |
evolves over millions of years
|
gptkbp:has_color |
0.75
B-V = 0.5 B-V = 0.60 |
gptkbp:has_luminosity |
stars interact gravitationally
|
gptkbp:has_spectral_type |
various types
analyzed for stellar compositions |
gptkbp:historical_significance |
noted in early astronomical surveys
|
https://www.w3.org/2000/01/rdf-schema#label |
NGC 2477
|
gptkbp:image |
Hubble image available
|
gptkbp:is_analyzed_in |
used to determine stellar compositions
|
gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
|
gptkbp:is_scalable |
important for understanding cluster dynamics
|
gptkbp:lighting |
moderately bright
visible from dark sites |
gptkbp:located_in |
gptkb:Milky_Way
constellation Puppis |
gptkbp:mass |
main sequence stars
approximately 1,000 solar masses follows a power law distribution from low-mass to high-mass stars mainly intermediate-mass stars |
gptkbp:membership |
open cluster members
based on distance and brightness. includes both young and old stars |
gptkbp:metallicity |
solar metallicity
|
gptkbp:mission |
none known
|
gptkbp:notable_person |
several bright stars
NGC 2477-1 NGC 2477-2 NGC 2477-3 several red giants |
gptkbp:photography |
included in many surveys
|
gptkbp:population |
moderate density
|
gptkbp:previous_name |
C 0754-143
|
gptkbp:publishes |
numerous studies published
|
gptkbp:reproduction |
applied to analyze star formation history
|
gptkbp:research |
photometry and spectroscopy
observed since the 19th century binoculars or small telescope light pollution affects visibility observed by many astronomers over decades requires clear skies for best view |
gptkbp:research_focus |
studying stellar evolution
|
gptkbp:research_interest |
studied for stellar evolution
|
gptkbp:right_ascension |
07h 43m 00s
07h 57m 00s |
gptkbp:scientific_classification |
gptkb:star
|
gptkbp:size |
approximately 20 arcminutes
|
gptkbp:storage |
available in various catalogs
available in astronomical databases conducted by various astronomers |
gptkbp:track |
used to study star lifecycles
|
gptkbp:travel_time |
4,000 years from Earth
|
gptkbp:type |
gptkb:star
Galactic open cluster |
gptkbp:year_created |
1834
|