# Class Notes for ASTA02H3 at University of Toronto Scarborough (UTSC)

• 26 Results
UTSCASTA02H3Parandis TajbakhshWinter

## ASTA02H3 Lecture Notes - Lecture 1: International Astronomical Union, Astronomical Unit, Tychonic System

OC8871072 Page
16 Apr 2016
50
Introduction to astronomy and astrophysics ii: beyond the sun and. Light year: a light year is simply the distance that light travels in one year. The
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UTSCASTA02H3UnknownWinter

## ASTA02H3 Lecture Notes - Lecture 3: Scientific Notation, Planck Constant, Parsec

OC4264914 Page
10 Apr 2015
42
Finding how far the stars are: d (parsec) = 1/p (arcseconds) A parsec is equal to 206, 265 au or 3. 26 ly. By definition 1 parsec (pc) is the distance
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UTSCASTA02H3Diana ValenciaWinter

## ASTA02H3 Lecture Notes - Lecture 2: Electromagnetic Spectrum, Black Body, Apparent Magnitude

OC2024333 Page
30 Nov 2016
13
Waves of light, including visible and non-visible light. Amount of energy passing the unit area in a unit time. Measure of total amount of energy relea
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UTSCASTA02H3Parandis KhavariWinter

## Astronomy - Tutorial #1.

OC891502 Page
14 Feb 2013
41
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Apparent Magnitude

OC891504 Page
15 Feb 2013
67
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Apparent Magnitude, Elementary Charge, Neutrino

OC891506 Page
14 Feb 2013
37
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Apparent Magnitude, White Dwarf, Super Giant

OC891505 Page
14 Feb 2013
27
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Apparent Magnitude, Brown Dwarf, White Dwarf

OC891505 Page
14 Feb 2013
45
Learn how to plot a hr diagram. Note that temperature increases from right to left. Make up a majority of the stars seen in the sky. Source of energy f
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Balmer Series, Stellar Classification

OC891504 Page
14 Feb 2013
22
Approx. temperature of the sun results in weak balmer lines. 10,000 k (excited) results in strong balmer lines. O stars low h because at high temperatu
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Gravitational Redshift, Horizontal Branch, White Dwarf

OC891506 Page
15 Mar 2013
26
Fuses hydrogen to make helium to sustain it. Determines how long the star will last. Note that any equality for the purpose of this course can be viewe
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Planetary Nebula, Stellar Population, Thick Disk

OC891502 Page
15 Mar 2013
31
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UTSCASTA02H3Parandis KhavariWinter

## ASTA02H3 Lecture Notes - Photon, Black-Body Radiation, Sirius

OC891504 Page
14 Feb 2013
54
Describes how stars look to human eyes. The brightness of stars is measured using the magnitude scale. Ancient astronomers divided the stars into six m
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