Statements (170)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:star
gptkb:nebula |
| gptkbp:bfsLayer |
4
|
| gptkbp:bfsParent |
gptkb:Perseus
gptkb:Cassiopeia |
| gptkbp:age |
approximately 300,000 years
approximately 1.5 million years around 300,000 years about 1.5 million years |
| gptkbp:apparent_magnitude |
6.5
6.7 |
| gptkbp:area |
approximately 50 light years
|
| gptkbp:associated_with |
Westerhout 5
open cluster Melotte 15 W3 OB association W4 nebula |
| gptkbp:contains |
young stars
star clusters several hundred stars massive stars young massive stars open cluster Melotte 15 |
| gptkbp:declination |
+61° 30′ 00″
|
| gptkbp:depicted_in |
gptkb:Northern_Hemisphere
gptkb:physicist gptkb:sneaker northern hemisphere infrared spectrum infrared wavelengths Infrared spectrum autumn months with binoculars |
| gptkbp:diameter |
approximately 200 light years
approximately 50 light years about 100 light-years |
| gptkbp:discovered_by |
gptkb:William_Herschel
|
| gptkbp:distance |
7500 light years
approximately 7,500 light years approximately 6,500 light years approximately 6,500 light-years |
| gptkbp:emissions_standard |
H-alpha
|
| gptkbp:examines |
space telescopes
stellar populations |
| gptkbp:exhibition |
gptkb:Index_Catalogue
gptkb:IC_1805 gptkb:New_General_Catalogue |
| gptkbp:features |
star formation regions
nebulae dark lanes of dust bright nebulae complex gas and dust structures |
| gptkbp:has_color |
(B-V) = 0.5
(U-B) = -0.2 |
| gptkbp:has_spectral_type |
O-type stars
O and B type stars |
| https://www.w3.org/2000/01/rdf-schema#label |
IC 1805
|
| gptkbp:image |
Hubble image of IC 1805
|
| gptkbp:ingredients |
massive stars
dense molecular clouds |
| gptkbp:is_analyzed_in |
chemical composition
stellar mass distribution |
| gptkbp:is_associated_with |
gptkb:region
gptkb:Cedar_Ridge_star_cluster gptkb:supernova_remnants star formation regions stellar nurseries massive star clusters |
| gptkbp:is_connected_to |
galactic dynamics
stellar nurseries other nebulae the study of cosmic dust the Perseus arm of the Milky Way |
| gptkbp:is_considered |
a popular target for astrophotography
|
| gptkbp:is_considered_as |
A target for observation
|
| gptkbp:is_described_as |
gptkb:literary_work
astronomical literature |
| gptkbp:is_documented_in |
astronomical catalogs
astronomical surveys. |
| gptkbp:is_explored_in |
gptkb:musician
gptkb:observatory Astronomers amateur astronomers space telescopes |
| gptkbp:is_featured_in |
astronomy publications
|
| gptkbp:is_home_to |
gptkb:Wolf-Rayet_stars
massive star formation young stellar objects massive stars various types of stars |
| gptkbp:is_influenced_by |
gptkb:interstellar_medium
|
| gptkbp:is_influential_in |
star formation rates
|
| gptkbp:is_known_for |
gptkb:Heart_Nebula
its bright emission lines its role in star formation. its heart shape its star formation activity Star clusters in Cassiopeia |
| gptkbp:is_located_near |
gptkb:NGC_896
the Heart Nebula |
| gptkbp:is_noted_for |
its intricate structure
|
| gptkbp:is_observed_in |
gptkb:Hubble_Space_Telescope
professional astronomers optical wavelengths Optical wavelengths radio wavelengths optical telescopes ultraviolet wavelengths |
| gptkbp:is_part_of |
gptkb:region
gptkb:IC_1805_complex gptkb:the_Milky_Way_galaxy gptkb:star gptkb:Milky_Way_galaxy galactic structure star formation history cosmic structures the Milky Way's spiral arms Star-forming region interstellar medium studies the Perseus constellation star cluster region the Cas O B6 association Westerhout 5 region Open cluster family Star cluster catalogues W3 star-forming complex |
| gptkbp:is_popular_in |
Amateur astronomy
amateur astronomy |
| gptkbp:is_related_to |
star clusters
IC 1795 |
| gptkbp:is_studied_in |
gptkb:musician
gptkb:observatory astrophysics stellar evolution galactic astronomy star formation processes Star formation processes its chemical composition nebular dynamics |
| gptkbp:is_surrounded_by |
Nebulae
dust and gas clouds |
| gptkbp:is_used_in |
Astrophysical simulations
|
| gptkbp:is_utilized_in |
astrophysical models
|
| gptkbp:lighting |
high
magnitude 10.5 magnitude 6.5 magnitude 10.0 |
| gptkbp:located_in |
Cassiopeia constellation
declination +61° 30′ 00″ right ascension 02h 32m 40s Galactic coordinates (l, b) = (130.0°, +1.0°) right ascension 02h 30m 00s |
| gptkbp:map |
gptkb:observatory
astronomical surveys |
| gptkbp:mass |
gptkb:battle
approximately 1,000 solar masses |
| gptkbp:notable_for |
its heart shape
its rich star field Heart shape appearance |
| gptkbp:part_of |
Westerhout 5
|
| gptkbp:photography |
gptkb:Hubble_Space_Telescope
gptkb:NASA Astrophotographers visible light |
| gptkbp:right_ascension |
02h 20m 30s
|
| gptkbp:size |
about 50 light years across
|
| gptkbp:surrounding_area |
gptkb:star
|
| gptkbp:type |
gptkb:region
gptkb:star gptkb:nebula |
| gptkbp:year_created |
1787
|