in stellar age estimation, an attempt to identify within reasonable degrees of confidence what the age of a star is. These methods include stellar evolutionary...
11 KB (1,301 words) - 10:27, 31 March 2025
Related to Stellar properties, Pages using the word stellar in a physics context. Stellar aberration Stellar age estimation Stellar archaeology Stellar astronomy...
3 KB (262 words) - 12:57, 12 January 2024
etc are suppressed without changing the estimations from these qualitative equations. For the rest of Stellar dynamics, we will consistently work on precise...
79 KB (17,631 words) - 22:53, 15 December 2024
of such a stellar association. Members of stellar associations and moving groups share similar kinematic properties, as well as similar ages and chemical...
15 KB (1,021 words) - 13:57, 21 March 2025
Initial mass function (redirect from Stellar Initial Mass Function)
extrapolated back to IMF. IMF and PDMF can be linked through the "stellar creation function". Stellar creation function is defined as the number of stars per unit...
29 KB (3,568 words) - 11:59, 2 April 2025
White dwarf (redirect from Cooling age)
A white dwarf is a stellar core remnant composed mostly of electron-degenerate matter. A white dwarf is very dense: in an Earth sized volume, it packs...
154 KB (17,962 words) - 06:05, 13 May 2025
are used to probe a medium. The potential of coronal seismology in the estimation of the coronal magnetic field, density scale height, fine structure and...
62 KB (7,662 words) - 05:54, 25 April 2025
Parallax in astronomy (section Stellar parallax)
receding motion as witnessed by the Doppler redshift of the stellar spectral lines, allows estimation of the distance to the cluster (151 light-years) and its...
35 KB (5,048 words) - 03:54, 31 January 2025
star with a stellar classification of G1V CH-04. It has about 11% greater mass than the Sun, and is considered young with an estimated age of 400 million...
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Alpha Centauri (section Stellar system)
12 August 2010. Mamajek, E.E.; Hillenbrand, L.A. (2008). "Improved age estimation for Solar-type dwarfs using activity-rotation diagnostics". Astrophysical...
120 KB (11,666 words) - 03:03, 13 May 2025
Williams, Benjamin F. (9 April 2015). "A clear age-velocity dispersion correlation in Andromeda's stellar disk". The Astrophysical Journal. 803 (1): 24...
113 KB (11,065 words) - 16:50, 6 May 2025
strange spiritual hierarchy which the Jewish philosophers of the middle ages accepted from the Neoplatonists and the pseudo-Dionysius, and also giving...
24 KB (2,930 words) - 03:06, 12 May 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
24 KB (2,135 words) - 18:46, 27 April 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
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sequence star with a stellar classification of K2+ V. HD 192310 has about 78% of the Sun's mass and, depending on the estimation method, 79% to 85% of...
13 KB (1,089 words) - 17:18, 23 March 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
15 KB (1,369 words) - 14:03, 22 April 2025
and solar twins are stars that are particularly similar to the Sun. The stellar classification is a hierarchy with solar twin being most like the Sun followed...
38 KB (3,392 words) - 21:28, 30 March 2025
Rigel (section Stellar system)
12,100 K. Due to its stellar wind, Rigel's mass-loss is estimated to be ten million times that of the Sun. With an estimated age of seven to nine million...
72 KB (7,285 words) - 16:23, 4 May 2025
Nuclear fusion (section Stellar reaction chains)
temperature, density, and confinement time. These conditions occur only in stellar cores, advanced nuclear weapons, and are approached in fusion power experiments...
113 KB (12,226 words) - 10:59, 13 May 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008), "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics", The Astrophysical...
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(November 2022), "Recent observations of humps and superhumps and an estimation of outburst parameters of the AM CVn star CR Boo", Astrophysics and Space...
15 KB (1,039 words) - 04:56, 22 April 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
15 KB (1,277 words) - 17:19, 26 March 2025
54 Piscium (section Stellar components)
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
20 KB (1,859 words) - 04:27, 27 January 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008), "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics", The Astrophysical...
10 KB (830 words) - 02:31, 23 January 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008), "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics", The Astrophysical...
14 KB (1,064 words) - 23:44, 18 March 2025
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
42 KB (960 words) - 11:33, 29 April 2025
55 Cancri (section Stellar system)
Mamajek, Eric E.; Hillenbrand, Lynne A. (November 2008). "Improved Age Estimation for Solar-Type Dwarfs Using Activity-Rotation Diagnostics". The Astrophysical...
49 KB (4,681 words) - 15:33, 17 April 2025
Habitable zone (section Stellar evolution)
more massive stars, though, stellar evolution changes their nature and energy flux, so by about 1.2 billion years of age, red dwarfs generally become...
139 KB (13,879 words) - 19:12, 24 April 2025
Superflare (category Stellar phenomena)
If wood of known age is available the process can be reversed. Measuring the 14C content and using the half-life allows estimation of the content when...
55 KB (7,656 words) - 10:32, 25 April 2025
Gliese 777 (section Stellar components)
et al. (February 2016), "Radii, masses, and ages of 18 bright stars using interferometry and new estimations of exoplanetary parameters", Astronomy & Astrophysics...
15 KB (1,318 words) - 11:13, 11 May 2025