8B30.10 - Stellar Magnitude

Code Number:
8B30.10
Demo Title:
Stellar Magnitude
Condition:
Good
Principle:
Stellar Magnitude
Area of Study:
Astronomy
Procedure:

The 1000 watt, 100 watt, and 1/4 watt bulbs will give some idea of stellar magnitudes.  

References:
  • Prof. Thomas Hocket, "Luminosity, Brightness, and Distance", TPT, Vol. 52, # 1, Jan 2014, p. 6.
  • E. S. Oberhofer, "Different Magnitude Differences", TPT, Vol. 29, # 5, May 1991, p. 273.
  • Christopher Sirola, "I Love My Baffling, Backward, Counterintuitive, Overly Complicated Magnitudes", TPT, Vol. 55, #2, February 2017, p. 124-125.
  • Eric Schulman and Caroline V. Cox, "Misconceptions about Astronomical Magnitudes", AJP, Vol. 65, #10, Oct. 1997, p. 1003.
  • James A. Blackburn, "Integrated Circuit Stellar Magnitude Simulator", AJP, Vol. 46, #8, Aug. 1978, p. 813.
  • Janice VanCleave, "Star Bright", Constellations for Every Kid, p. 141.

Disclaimer: These demonstrations are provided only for illustrative use by persons affiliated with The University of Iowa and only under the direction of a trained instructor or physicist.  The University of Iowa is not responsible for demonstrations performed by those using their own equipment or who choose to use this reference material for their own purpose.  The demonstrations included here are within the public domain and can be found in materials contained in libraries, bookstores, and through electronic sources.  Performing all or any portion of any of these demonstrations, with or without revisions not depicted here entails inherent risks.  These risks include, without limitation, bodily injury (and possibly death), including risks to health that may be temporary or permanent and that may exacerbate a pre-existing medical condition; and property loss or damage.  Anyone performing any part of these demonstrations, even with revisions, knowingly and voluntarily assumes all risks associated with them.