Statements (51)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:nebula
|
gptkbp:age |
young stellar object
|
gptkbp:apparent_magnitude |
12.8
|
gptkbp:associated_with |
gptkb:R_Monocerotis
star formation regions |
gptkbp:capacity |
silicate and carbonaceous materials
|
gptkbp:collaborations |
involves multiple observatories
|
gptkbp:collects |
gptkb:Hubble_Space_Telescope
|
gptkbp:community_engagement |
featured in astronomy outreach programs
|
gptkbp:composed_of |
interstellar dust and gas
|
gptkbp:constellation |
irregular
|
gptkbp:coordinates |
RA 6h 41m 30s, Dec -8° 44' 00"
|
gptkbp:cultural_references |
mentioned in astronomy literature.
|
gptkbp:declination |
-08° 44' 00"
|
gptkbp:depicted_in |
best in winter months
|
gptkbp:discovered_by |
gptkb:William_Herschel
|
gptkbp:distance |
approximately 2,500 light years
via parallax method |
gptkbp:emissions_standard |
present in spectrum
|
gptkbp:exhibition |
gptkb:New_General_Catalogue
|
gptkbp:first_appearance |
1783
|
gptkbp:future_plans |
ongoing studies on variability
|
gptkbp:has_spectral_type |
B-type star
|
gptkbp:historical_significance |
one of the first variable nebulae discovered
|
https://www.w3.org/2000/01/rdf-schema#label |
NGC 2261
|
gptkbp:impact |
affects nebula shape
|
gptkbp:is_known_for |
gptkb:Herschel's_Variable_Nebula
|
gptkbp:is_observed_in |
amateur astronomers
|
gptkbp:lighting |
magnitude 12.0
caused by changes in the star's brightness visibility affected by urban areas |
gptkbp:located_in |
constellation Monoceros
|
gptkbp:notable_feature |
Hubble Space Telescope images
|
gptkbp:notable_work |
studies on variable stars
|
gptkbp:photography |
infrared observations
first captured on photographic plates in 1880s noted in observations |
gptkbp:research |
used to analyze chemical composition
requires telescope for visibility extensively studied since discovery |
gptkbp:research_focus |
study of star formation
|
gptkbp:research_interest |
understanding nebula dynamics
|
gptkbp:right_ascension |
06h 41m 00s
|
gptkbp:size |
approximately 2.5 arcminutes
approximately 1.5 arcminutes |
gptkbp:sound |
observed in surrounding areas
|
gptkbp:storage |
used to measure brightness changes
|
gptkbp:type |
gptkb:nebula
|
gptkbp:year_created |
1783
|
gptkbp:bfsParent |
gptkb:Monoceros
|
gptkbp:bfsLayer |
5
|