Variable nebula

Nebula with varying brightness
title: "Variable nebula" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["reflection-nebulae", "nebulae"] description: "Nebula with varying brightness" topic_path: "general/reflection-nebulae" source: "https://en.wikipedia.org/wiki/Variable_nebula" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
::summary Nebula with varying brightness ::
::figure[src="https://upload.wikimedia.org/wikipedia/commons/a/af/Ngc2261.jpg" caption="A [[Hubble Space Telescope]] image of [[NGC 2261]], a classic example of a variable nebula."] ::
Variable nebulae are reflection nebulae that change in brightness because of changes in their star.
References
References
- (2004-07-20). "Mid-Infrared and Submillimeter Observations of the Illuminating Source of M c Neil's Variable Nebula". The Astrophysical Journal.
- Lampland, C. O.. (December 1936). "Hind's Variable Nebula". Publications of the Astronomical Society of the Pacific.
- (November 1997). "Adaptive Optics Infrared Imaging Polarimetry and Optical HST Imaging of Hubble's Variable Nebula (R Monocerotis/NGC 2261): A Close Look at a Very Young Active Herbig Ae/Be star". The Astrophysical Journal.
- (February 1987). "Rapid variability of the R Coronae Australis reflection nebula NGC 6729". Publications of the Astronomical Society of the Pacific.
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