Exceptional object - Revision history

en>Jérôme: remove snark (see talk page)

2014-10-11T19:15:48Z

remove snark (see talk page)

← Older revision		Revision as of 21:15, 11 October 2014
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	~~The writer's title~~ is ~~Christy Brookins. Credit authorising~~ is ~~how she tends to make a residing~~. To ~~perform lacross~~ is ~~one of the issues she enjoys most~~. ~~Mississippi is where his home~~ is.<br><br>my ~~blog ... email psychic readings (~~[http://m-~~card~~.co.~~kr/xe/mcard_2013_promote01/29877 just click the up coming document~~])		Let me initial begin by introducing myself. My name is Boyd Butts even though it is not the title on my beginning certification. To collect cash is what her family members and her enjoy. California is our birth location. For many years I've been operating as a payroll clerk.<br><br>Here is my page; [http://xn--bp2bm9e86j.com/index.php?document_srl=2281&mid=review std testing at home]

en>BD2412: /* Connections */repairing Disambiguation pages with links using AWB

2014-02-20T01:49:25Z

Connections: repairing Disambiguation pages with links using AWB

← Older revision		Revision as of 03:49, 20 February 2014
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			The writer's title is Christy Brookins. Credit authorising is how she tends to make a residing. To perform lacross is one of the issues she enjoys most. Mississippi is where his home is.<br><br>my blog ... email psychic readings ([http://m-card.co.kr/xe/mcard_2013_promote01/29877 just click the up coming document])
	The '~~''source function'''~~ is a ~~characteristic~~ of ~~a stellar atmosphere, and in~~ the ~~case of no [[scattering]] of photons, describes the ratio of the emission coefficient to the absorption coefficient~~. It is ~~a measure of how photons in a light beam are removed and replaced by new photons by the material it passes through~~. ~~Its units in the cgs-system are erg s~~<~~sup~~>-1<~~/sup~~>~~ cm<sup>-2<~~/~~sup> sr<sup>-1</sup> Hz<sup>-1<~~/~~sup> and in SI are W ~~m~~<sup>~~-~~2</sup> sr<sup>-1</sup> Hz<sup>-1</sup>~~ . ~~The ''source function'' can be written~~

	~~:<math>S_{\lambda} \ \stackrel{\mathrm{def}}{=}\ \frac{j_{\lambda}}{\kappa_{\lambda}}<~~/~~math>~~

	~~where <math>j_{\lambda}<~~/~~math> is the emission coefficient, <math>\kappa_{\lambda}<~~/~~math> is the absorption coefficient (also known as~~ the ~~[[opacity (optics)\|opacity]~~])~~. Putting this into the equation for [[radiative transfer]] we get~~

	~~:<math>-\frac{1}{\kappa_{\lambda} \rho} \frac{dI_{\lambda}}{ds} = I_{\lambda} - S_{\lambda} </math>~~

	~~where ''s'' is the distance measured along the path traveled by the beam. The minus sign on the left hand side shows that the intensity decreases as the beam travels, due to the absorption of photons.~~

	~~==See also==~~

	* [[Radiative transfer]]
	* [[Opacity (optics)]]

	~~==References==~~

	* {{cite book
	~~\| author=B.W. Carrol, D.A. Ostlie~~
	~~\| title=An Introduction to Modern Astrophysics~~
	~~\| publisher=Addison-Wesley Publishing Company, Inc.~~
	~~\| year=1996~~
	~~\| isbn =0-321-21030-1 }}~~

	~~[[Category:Astrophysics]]~~
	~~[[Category:Stellar astronomy]]~~


	~~{{star-stub}}~~

en>Monkbot: /* References */Fix CS1 deprecated date parameter errors

2014-01-18T09:07:30Z

References: Fix CS1 deprecated date parameter errors

← Older revision		Revision as of 11:07, 18 January 2014
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	~~Irwin Butts is what my wife enjoys to call me though I don~~'~~t truly like becoming known as like that. North Dakota~~ is ~~where me~~ and ~~my spouse reside. To gather cash is 1~~ of the ~~issues I love most~~. ~~My day occupation~~ is a ~~meter reader~~.<br><br>~~My webpage~~; ~~[http:~~//~~immbooks~~.~~com~~/~~blogs~~/~~post~~/~~44599 at home std testing~~]
			The '''source function''' is a characteristic of a stellar atmosphere, and in the case of no [[scattering]] of photons, describes the ratio of the emission coefficient to the absorption coefficient. It is a measure of how photons in a light beam are removed and replaced by new photons by the material it passes through. Its units in the cgs-system are erg s<sup>-1</sup> cm<sup>-2</sup> sr<sup>-1</sup> Hz<sup>-1</sup> and in SI are W m<sup>-2</sup> sr<sup>-1</sup> Hz<sup>-1</sup> . The ''source function'' can be written

			:<math>S_{\lambda} \ \stackrel{\mathrm{def}}{=}\ \frac{j_{\lambda}}{\kappa_{\lambda}}</math>

			where <math>j_{\lambda}</math> is the emission coefficient, <math>\kappa_{\lambda}</math> is the absorption coefficient (also known as the [[opacity (optics)\|opacity]]). Putting this into the equation for [[radiative transfer]] we get

			:<math>-\frac{1}{\kappa_{\lambda} \rho} \frac{dI_{\lambda}}{ds} = I_{\lambda} - S_{\lambda} </math>

			where ''s'' is the distance measured along the path traveled by the beam. The minus sign on the left hand side shows that the intensity decreases as the beam travels, due to the absorption of photons.

			==See also==

			* [[Radiative transfer]]
			* [[Opacity (optics)]]

			==References==

			* {{cite book
			\| author=B.W. Carrol, D.A. Ostlie
			\| title=An Introduction to Modern Astrophysics
			\| publisher=Addison-Wesley Publishing Company, Inc.
			\| year=1996
			\| isbn =0-321-21030-1 }}

			[[Category:Astrophysics]]
			[[Category:Stellar astronomy]]


			{{star-stub}}

en>Michael Hardy: "A as well as B" should mean one would normally expect B, but A is also true.

2012-06-11T09:36:49Z

"A as well as B" should mean one would normally expect B, but A is also true.

New page

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