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* [[Stellar associations]] {{Stellar system}} ...

...it is faintly visible to the naked eye at night. The star has an annual [[stellar parallax|parallax shift]] of {{val|4.1|ul=mas}},<ref name=GaiaDR2/> indicat ...es 1,291<ref name=Mcdonald2012/> times the [[solar luminosity]] from its [[stellar atmosphere|outer atmosphere]] at an [[effective temperature]] of 16,230&nbs ...

...tted with a related high concentration of interconnected [[Stellar nursery|stellar nurseries]]. It stretches about 8,800 light years.<ref name="theguardian-sa ...of stellar nurseries|url=https://phys.org/news/2020-01-milky-reveals-giant-stellar-nurseries.html|website=Phys.org}}</ref> The discovery was made using data c ...

In [[astronomy]], '''stellar kinematics''' is the [[Observational astronomy|observational]] study or mea ...hin disk]], the [[thick disk]], the [[Bulge (astronomy)|bulge]], and the [[stellar halo]] provides important information about the formation and evolutionary ...

...~55000 stars and mean radial velocities of 516 Galactic open clusters and associations |journal=Astronomische Nachrichten |date=November 2007 |volume=328 |issue=9 ...ructure and Evolution Simulator |url=http://rainman.astro.illinois.edu/ddr/stellar/intermediate.html |website=rainman.astro.illinois.edu |access-date=4 Januar ...

...a higher likeliness of a supernova explosion forming the nebula instead of stellar winds.<ref name="supernova" /> A 2014 study measured that Henize 70 featur ...022|title=X-ray and optical emission from large superbubbles including the stellar photoionization|journal=Monthly Notices of the Royal Astronomical Society|v ...

...ead to different results. Some components of the spectrum are produced by stellar winds not moving at orbital velocity with the stars.<ref name=gosset/> ...the hot secondary star produces what would typically be considered a fast stellar wind, it is entirely overpowered by the wind from the primary star. The [[ ...

...laboration identified two additional Peter Pan disks in Columba and Carina associations.<ref name="Silverberg2020" /> The paper also mentions that members of [[NGC * [[List of nearby stellar associations and moving groups]] ...

...on red supergiants. These observations were used to derive the fundamental stellar parameters of the star, reconstruct images of the star and test models of 3 ...gular diameter and Gaia parallax-derived distance in the 2019 Mid-infrared stellar Diameters and Fluxes compilation Catalogue (MDFC), a radius between {{solar ...

...h one related to points in a plane, and aleph two to curves. (These latter associations are not true unless the [[generalized continuum hypothesis]] holds, which G ...on the boundary of the Northern Tropic. Extra-terrestrial distances use [[stellar parallax]], which Gamow relates to human binocular vision working to push t ...

...It is a part of the [[Cygnus OB2]] association, one of the closest massive associations to the Sun, spanning nearly 2° on the sky or ~{{val|30|u=pc}} in radius at ...CygOB2 med.jpg|left|thumb|[[H-alpha]] light image of [[Cygnus OB2]], the [[stellar association]] in which NML Cygni is located]] ...

...l types of [[variable star]]s superimposed on a display of the different [[Stellar classification#Yerkes spectral classification|luminosity classes]].]] ...e young, [[population I]] [[variable stars]] that exhibit regular radial [[Stellar pulsation|pulsations]] with periods of a few days to a few weeks and visual ...

...45&nbsp;million years ago.<ref name="Gaidos2017" /> The Carina and Columba associations are now very far in the sky from the [[Lyra]] constellation, the direction ...ne]] of its parent stellar system or have been in the inner region of that stellar system long enough for all near-surface ice to [[Sublimation (phase transit ...

!{{nowrap|Stellar radius}} ({{Solar radius}}) !{{nowrap|Stellar mass}} ({{Solar mass}}) ...

...e of the founders of [[theoretical astrophysics]], discoverer of [[stellar associations]], founder of [[Byurakan Observatory]] in [[Armenia]] ...raph]] based on the [[Doppler effect]], among the first photographers of [[stellar spectra]] ...

...lude free-floating planetary-mass objects in star-forming regions or young associations, which are also referred to as [[rogue planet]]s. ...Godoy |first1=Nicolás |title=A new atmospheric characterization of the sub-stellar companion HR\,2562\,B with JWST/MIRI observations |date=2024-09-06 |arxiv=2 ...

=== Radiation protection associations === ...[[radionuclide]]s in the ground that were formed billions of years ago by stellar [[nucleosynthesis]] and have not yet decayed due to their long [[Half-life| ...