NGC 6633

GPTKB entity

Statements (96)
Predicate Object
gptkbp:instance_of gptkb:open_cluster
gptkbp:age approximately 1.5 billion years
approximately 300 million years
gptkbp:apparent_magnitude 6.5
5.8
gptkbp:associated_nebulae none known
gptkbp:conducts_research_on stellar evolution
gptkbp:contains_star gptkb:NGC_2516
gptkb:M67
gptkb:NGC_2244
several hundred stars
approximately 100 stars
approximately 50 stars
gptkbp:coordinates 18h 30m 36s +05° 30′ 00″
l = 36.5°, b = -1.5°
RA 18h 30m 36s, Dec +06° 24′ 00″
gptkbp:declination +06° 24′ 00″
+05° 30′ 00″
+06° 30′ 00″
gptkbp:discovered_by gptkb:William_Herschel
gptkbp:discovery_year 1784
1786
gptkbp:distance_from_earth approximately 1,200 light years
gptkbp:exhibition gptkb:New_General_Catalogue
gptkb:Messier_catalog
various astronomical surveys
gptkbp:features young stars
red giants
blue stragglers
gptkbp:has_color 0.5
0.8
B-V = 0.65
gptkbp:has_members multiple blue and red giants
gptkbp:has_spectral_type varied
various types
gptkbp:historical_significance one of the first clusters cataloged
https://www.w3.org/2000/01/rdf-schema#label NGC 6633
gptkbp:included star cluster catalogs
gptkbp:is_associated_with open cluster studies
gptkbp:is_considered a good target for astrophotography
gptkbp:is_located_at galactic coordinates l=30°, b=-5°
gptkbp:is_located_near IC 4756
gptkbp:is_noted_for its bright stars
its historical significance in astronomy
its position in the sky
its age and composition
its rich star field
gptkbp:is_observed_in amateur astronomers
telescopes
gptkbp:is_part_of gptkb:astronomy
gptkb:Milky_Way_Galaxy
Milky Way structure
star cluster research
open cluster family
gptkbp:is_related_to other open clusters
gptkbp:is_studied_for stellar dynamics
star formation processes
gptkbp:is_studied_in gptkb:astronomy
gptkbp:is_used_in stellar population studies
gptkbp:is_visible_from gptkb:Northern_Hemisphere
gptkb:sunglasses
dark skies
constellation Ophiuchus
best seen in summer months
gptkbp:lighting moderately bright
gptkbp:located_in gptkb:Milky_Way
constellation Ophiuchus
gptkbp:mass main sequence stars
giant stars
approximately 1,000 solar masses
approximately 500 solar masses
subgiant stars
gptkbp:membership open cluster members
gptkbp:metallicity solar metallicity
gptkbp:notable_person HD 167263
HD 167264
HD 167265
gptkbp:operating_hours summer months
gptkbp:orbit_type none known
gptkbp:photometric_type gptkb:open_cluster
gptkbp:previous_name C 1830+063
gptkbp:research gptkb:sunglasses
weather conditions
light pollution
small telescopes
observed by many astronomers
large telescopes
light pollution affects visibility
gptkbp:research_importance studying stellar evolution
investigating star formation
understanding cluster dynamics
gptkbp:right_ascension 18h 30m 36s
gptkbp:size approximately 20 light years across
gptkbp:surrounding_area rich star field
gptkbp:type gptkb:star
Galactic open cluster